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87 results about "Thermal energy" patented technology

Thermal energy can refer to several distinct thermodynamic quantities, such as the internal energy of a system; heat or sensible heat, which are defined as types of energy transfer (as is work); or for the characteristic energy of a degree of freedom in a thermal system kT, where T is temperature and k is the Boltzmann constant.

Internal combustion engine thermal characteristic virtual sensing method

The invention discloses a virtual sensing method for thermal characteristics of an internal combustion engine. The method comprises the following steps: S1, acquiring temperature distribution data; s2, time sequence temperature data mapping; s3, acquiring fusion temperature data; s4, obtaining thermal characteristics; and S5, abnormal judgment of a combustion chamber, an exhaust pipeline and a cooling system. According to the method, the comprehensiveness and the accuracy of thermal state analysis are remarkably improved by constructing a global sensing system of a three-dimensional space temperature field of the internal combustion engine and combining a multi-source sensor collaborative acquisition and deep learning feature fusion mechanism. Through closed-loop coupling of time-space sequence temperature data and a thermodynamic mechanism model, quantitative correlation between thermal characteristics and combustion efficiency, heat energy loss and cooling efficiency core performance parameters is established. According to the LSTM-CNN-MLP collaborative framework, the spatio-temporal evolution law of a temperature field is extracted in a self-adaptive mode, and the robustness of thermodynamic state perception is remarkably enhanced.
Owner:GUANGXI UNIV +1

Numerical simulation method for multi-field coupling and microwave enhanced drainage and mining of deep coal seam

The invention relates to the technical field of coal bed gas development, and particularly discloses a numerical simulation method for multi-field coupling and microwave enhanced drainage and mining of a deep coal bed, which realizes accurate simulation of the whole process of drainage and mining of deep coal bed gas through six key steps: firstly, obtaining a coal bed parameter system; establishing a temperature coupling adsorption and desorption model, and quantifying the influence of the high ground temperature environment on the gas occurrence by correcting a Langmuir equation; constructing a dual-medium heat-gas-liquid-solid full-coupling control equation set which covers coal deformation, gas-water two-phase seepage, heat transfer and electromagnetic field equations; a microwave heat effect model is defined, and electromagnetic energy-heat energy conversion is calculated through a dielectric constant mixing model; deducing a porosity / permeability dynamic evolution equation, and coupling effective stress, matrix shrinkage and a thermal expansion effect; and finally, a COMSOL Multiphysics platform is adopted to realize multi-field coupling solution, and a productivity index is calculated through well circumference integration. According to the method, the inherent limitation of a static parameter model is overcome, and the precision and efficiency of numerical simulation are remarkably improved.
Owner:HEBEI UNIV OF TECH

Intelligent heat transfer recovery method for heat supply system based on LSTM neural network

The invention relates to the technical field of heat supply system recovery, and discloses a heat supply system heat transfer intelligent recovery method based on an LSTM neural network. The method comprises the following steps: firstly, collecting thermodynamic parameter time sequences of water supply temperature, water return temperature, pipe section flow, environment temperature and the like of each monitoring node of the heat supply pipe network; performing standardization processing on the time sequences, eliminating influence of different physical quantity lines, and generating a standardized thermodynamic time sequence; then, the heat supply pipe network is divided into a plurality of functional areas according to the topological structure and the thermal characteristics, and each area comprises a plurality of associated monitoring nodes; the LSTM neural network is used for deeply analyzing processed data and divided areas, intelligent heat transfer recovery of the heat supply system is achieved, the dynamic change rule of parameters can be accurately captured, the method adapts to complex working conditions, heat transfer recovery is more targeted and reasonable, heat energy waste is reduced, and the operation efficiency of the heat supply system is improved.
Owner:浙江大冲能源科技股份有限公司

Data and mechanism hybrid modeling method and device for coordinated control of thermal power generating unit

The invention discloses a thermal power generating unit coordination control data and mechanism hybrid modeling method and device, computer equipment and a computer readable storage medium, and relates to the technical field of thermal energy engineering and power system modeling and control. Establishing a high-precision dynamic mechanism model of the working medium flow and heat transfer process of the boiler-steam turbine system; then, constructing an error correction model fusing the long-short-term memory network, the convolutional neural network and residual connection; and finally, fusing the mechanism model and the error correction model through parallel computing to form a dynamic hybrid model with physical interpretability and high precision. Through the hybrid modeling strategy, the prediction accuracy of key parameters such as the main steam pressure, the separator outlet steam enthalpy value and the unit load in the wide load range, especially under the dry-state operation working condition is remarkably improved, and a reliable model basis is provided for designing an advanced unit coordination control system.
Owner:BEIJING GUODIAN ZHISHEN CONTROL TONGDY +1

Constant-pressure and constant-temperature energy-saving water supply control system for domestic hot water

The invention discloses a constant-pressure constant-temperature energy-saving water supply control system for domestic hot water, particularly relates to the field of building water supply and drainage and heat energy control, and comprises a signal capture module, a risk early warning module, a buffer release module, a pre-judgment adjustment module and a state reconstruction module. The signal capturing module is used for acquiring real-time flow and real-time pressure of a water supply pipeline and a water return pipeline by arranging a flow sensor and a pressure sensor on the water supply pipeline and the water return pipeline respectively, then counting the real-time flow and the real-time pressure according to a time sliding window, and outputting time sequence data; according to the invention, a closed-loop control process of time sequence data capture, disturbance data identification, buffer water body release, pump set operation interval determination and compensation distribution result output is executed in sequence in a sudden water consumption scene, so that real-time and stable temperature and pressure control is realized at a user side; therefore, the problem of constant-temperature and constant-voltage failure caused by feedback lag in the prior art is solved.
Owner:JIANGSU XINRIYUAN BUILDING ENERGY SAVING SCI & TECH

Method and system for adjusting heat supply efficiency of thermal power plant

The invention discloses a thermal power plant heat supply efficiency adjusting method and system, and relates to the technical field of thermal power plant heat supply efficiency adjusting.The method comprises the steps that real-time operation data, weather forecast data and historical data of a heat source, a heat supply pipe network and a heat exchange station are collected; a thermal dynamic propagation model is constructed for each heat exchange station, and the time-varying delay time of heat energy transmission is quantified; performing feedforward compensation on the heat source reference load curve by using the time-varying delay time to generate a personalized load prediction curve; aggregating to form a total load adjusting instruction curve; the system comprises a data acquisition and fusion module, a thermal dynamic propagation model calculation module, a collaborative prediction and delay compensation module and a model self-correction module, source-load collaborative regulation and control are achieved, the problem of heat supply mismatch is solved, the energy efficiency and the model adaptability are improved, and the energy efficiency and the model adaptability are improved. The system stability is enhanced.
Owner:CHUZHOU ZHONGJIN THERMAL POWER CO LTD

Intelligent construction site environment quality real-time regulation and control method and system

The invention discloses an intelligent construction site environment quality real-time regulation and control method and system, and relates to the technical field of intelligent construction site environment regulation and control. Continuous frame thermodynamic images of a construction area are collected, a heat source area H and a low-temperature area C are identified, an ultrasonic anemograph is combined, environment data of the construction area are obtained, a normalized data set S is constructed, and a normalized data set is obtained; constructing a thermal field stability index Wd according to the normalized data set S, further calculating a thermal field stability index difference value delta Wd, evaluating a thermal field stable state, constructing a thermal energy diffusion path and a path diffusion response factor Lj of the thermal energy diffusion path when the construction area is in an abnormal state, screening a risk path, and performing thermal energy conduction evaluation on the risk path to obtain a thermal energy conduction evaluation result. And the adaptation level of the heat energy diffusion path and the air supply equipment is judged, a heat energy conduction adjusting measure is generated, and the construction site environment is adjusted, so that the accuracy and intelligence of environment regulation and control and the system response efficiency are improved.
Owner:CHANGZHOU DONGHUA CONSTR & INSTALLATION ENG CO

Water tank of splitting solar water heater

InactiveCN101294748AEfficient use ofReduce heat transfer medium capacityFluid heatersSolar heat devicesSolar waterConfined water
The invention discloses a divided water tank device for an internal heat exchanger of a split type solar water heater. Butt welding is carried out by utilizing an end enclosure of a stainless steel confined water bank inner bag; the end enclosure is used as the heat exchanger to play the role of a water tank partition board; the water tank is divided into independent divided cavities; the heat exchanger is sealed with the inner bag of the water tank; the adjacent cavity bodies communicate with each other via draught tubes; the medium circulation and the medium supplement, namely unconfined running of the heat exchanging part, are carried out safely and reliably via an upper circulating pipe and a heat collecting part; and the device can fully improve heat energy transformation and reduce heat loss.
Owner:江苏元升太阳能集团有限公司

Automatic control system for drying waste heat recovery

The invention discloses an automatic control system for drying waste heat recovery. The automatic control system comprises a heat energy utilization rate calculation module, a flow control module, an airflow analysis module and an adjusting module. The heat energy utilization rate calculation module calculates the current heat energy utilization rate in combination with a preset heat transfer model to obtain the matching deviation of heat exchanger operation and dryer state; the flow control module extracts wind speed and pressure distribution data from the air duct system, analyzes the uniformity of airflow distribution by adopting an airflow simulation algorithm, and determines a deviation area and an adjustment amplitude of air volume adjustment; the airflow analysis module executes accurate adjustment through an automatic control module of an air volume adjusting valve according to the deviation area, the adjusted air speed and pressure data are obtained, and whether airflow distribution reaches a preset uniformity standard or not is judged; the adjusting module obtains flow and temperature monitoring data of the condensate water pipeline, analyzes linkage efficiency of condensate water management and waste heat recovery in combination with a heat recovery rate calculation formula of the waste heat recovery device, and determines optimization requirements.
Owner:GUANGDONG JIANHONG INTELLIGENT TECH SERVICE CO LTD

Novel intermittent piston equipment

The invention relates to the technical field of crossing of mechanical engineering and thermodynamics, in particular to novel intermittent piston equipment. The device is characterized by comprising a gas-liquid cylinder system, a piston system, a feeding system, a discharging system and a cooling system, wherein the gas-liquid cylinder system comprises a plurality of partition plates with holes and can further comprise a plurality of monitoring control assemblies, and the piston system comprises a plurality of piston push plates with holes and a plurality of piston driving mechanisms and can further comprise a plurality of monitoring control assemblies. The cooling system comprises a plurality of thermal contact modules, a plurality of heat transfer modules and a plurality of heat dissipation terminals, and can further comprise a plurality of monitoring control assemblies. A perforated partition plate, a perforated piston push plate and a monitoring control assembly are additionally arranged in an existing piston equipment technology, meanwhile, piston pushing and cooling system cooling integrated intermittent operation is adopted, the position of a piston and fluid pressure are monitored in real time, a driving signal is dynamically adjusted, and the working efficiency is improved. Efficient conversion between mechanical energy and gas pressure energy, hydraulic energy or fluid heat energy and precise control over the fluid temperature are achieved, the compression, expansion and mass transfer and heat transfer efficiency of fluid in equipment is greatly improved, the technical application scene is wide, and the technical application value is high.
Owner:曾子萌

Climate adjusting device based on Bernoulli principle

The invention relates to the technical field of climate adjusting devices, in particular to a Bernoulli principle climate adjusting device which comprises a base, trusses and an office area are arranged at the top of the base, power generation mechanisms are arranged in the trusses, an iron ball wind damper mechanism is installed between the trusses, and a water spraying mechanism is installed at the top of the base. The power generation mechanism comprises a straight barrel, a stable cross beam is fixedly connected into the inner wall of the straight barrel, and a fan is fixedly connected to the bottom of the stable cross beam. According to the climate adjusting device, by means of the Bernoulli principle, through cooperation of the power generation body mechanism and an iron ball wind resistance device, air flow can be effectively promoted, and peripheral wind power generation equipment is driven to operate; meanwhile, the ground surface temperature is adjusted, heat energy generated by power generation and power utilization is reduced, electric energy is saved, the water spraying mechanism can reduce radiation of sunlight to the ground surface through water spraying, dust can be taken away in the air rising process, and the environment quality is improved.
Owner:赵茂生

Hydronic system and method for transferring thermal energy from a heat pump to at least one thermal energy load

The present disclosure is directed to a hydronic system (1) for transferring thermal energy from a heat pump (3) to at least one thermal energy load (5), wherein the hydronic system (1) comprises: - a heat pump feed circuit section (7) for transporting a heat pump flow (qH) downstream of a heat pump circuit pump (11) for driving the heat pump flow (qH) through a heat pump (3); - a load feed circuit section (13) for transporting a load flow (qL) towards at least one thermal energy load (5); - a storage feed circuit section (19) for transporting a storage flow (qS) that goes through a thermal energy storage tank (23), wherein the storage flow (qS) is selectively directable in a charging direction in an operation mode of the hydronic system (1) in which the thermal energy storage tank (23) is charged with thermal energy and in a discharging direction in another operation mode of the hydronic system (1) in which thermal energy is discharged from the thermal energy storage tank (23), wherein the heat pump feed circuit section (7), the load feed circuit section (13) and the storage feed circuit section (19) are connected at a feed connection point (27); - a load flow feed temperature sensor (79) being arranged at the load feed circuit section (13) downstream of the feed connection point (27) for determining a load flow feed temperature (TL) of the load flow (qL); - a load circuit pump (17) for driving the load flow (qL); and - control electronics (20), wherein the control electronics (20) is configured, depending on the operation mode of the hydronic system (1), to control directly or indirectly a speed of the load circuit pump (17) and a speed of the heat pump circuit pump (11) so that a deviation of the load flow feed temperature (TL) from a reference load flow feed temperature is minimised.
Owner:GRUNDFOS HLDG

A high speed current carrying friction in-situ testing system

The application discloses a high-speed current-carrying friction in-situ test system and relates to the technical field of precision instruments, which comprises a macro-micro power loading module, a constant force loading module, a current loading module, a force monitoring module and an in-situ detection module. The macro-micro power loading module controls the relative motion of the friction pair to be tested. The current loading module is used for loading current between friction amplitudes. The in-situ monitoring module comprises three in-situ monitoring means, namely acoustic emission, infrared thermal imaging and a high-speed camera. The application can support the test of high-speed current-carrying friction conditions such as multi-angle and multi-posture macro-micro-motion-static coupling, and can simultaneously acquire time sequence information of temperature fields, optics, acoustics and vibration, and further acquire time sequence information of thermal energy, arc intensity, adhesive wear degree, fatigue wear degree and deformation energy of the friction pair, which helps to deeply understand the failure mechanism and modification mechanism of high-speed multi-condition current-carrying friction amplitude and accelerates the optimization work of the current-carrying friction performance of the current-carrying friction pair.
Owner:JILIN UNIVERSITY

An electric heat integrated energy system preventive dispatching method, a terminal and a storage medium

This application provides a preventative dispatch method, terminal, and storage medium for an integrated electric and thermal energy system, belonging to the field of power system dispatching technology. It constructs an uncertainty set based on the potential failure of transmission lines under extreme weather conditions and employs a two-stage robust optimization framework. First, a first-stage constraint set is established based on known extreme weather forecasts. Then, a second-stage constraint set is established based on the actual occurrence of extreme weather. The objective function is to minimize the sum of the electrical load gap and the thermal load gap under extreme weather conditions. By establishing the uncertainty set and introducing extreme events into the constraints, a complete two-stage robust preventative dispatch model is formed, which is then solved to obtain the preventative dispatch results. Therefore, backup and energy storage are arranged in advance before extreme weather, and network topology is adjusted to reduce the load gap caused by sudden outages. Robust optimization ensures that the system meets both heating and power supply needs under all possible outage scenarios, improving the overall reliability and resilience of the system.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

Chamber temperature control system

The invention provides a compartment temperature control system, and relates to the technical field of computer processing, and the system comprises an information obtaining module which is used for obtaining historical temperature control data of a target building, and extracting temperature change characteristics from the historical temperature control data, and the temperature change characteristics comprise temperature fluctuation characteristics caused by room functions, orientation and personnel activities; constructing a temperature control database based on the historical temperature control data; the data acquisition module is in communication connection with the temperature control database and is used for acquiring real-time temperature data characteristics from the database; the thermal dynamic analysis module is used for analyzing the dynamic temperature change rule of the building under the different thermal load contextual models; and an efficiency verification subunit. According to the method, the differentiated temperature control strategy is intelligently formulated by sensing the position of the person and the working condition of the room, so that the heat energy consumption is remarkably reduced while the personalized comfort degree is improved.
Owner:YULIN HEATING CO LTD

Lithium bromide heat pump regulation and control method for coupling solar photo-thermal and computing power waste heat

The invention relates to the technical field of multi-energy complementation and waste heat recovery, in particular to a lithium bromide heat pump regulation and control method for coupling solar photo-thermal and computing power waste heat. The method comprises the steps of data acquisition, model calculation, dynamic regulation and control and safety monitoring. The method comprises the steps of collecting multi-source operation data and inputting the data into a thermodynamic matching model; the method is characterized in that coupling heat source exergy efficiency and a thermal response time constant are solved, a flow regulation and heat source switching instruction is generated, and a generator is kept in a high-efficiency temperature range; meanwhile, the crystallization safety margin is calculated in real time, and the anti-crystallization process is triggered when the crystallization safety margin is lower than a threshold value; according to the method, the conversion from static threshold dependence to dynamic thermodynamic matching is realized, the problem of high-grade heat energy waste caused by source-load asynchronization is solved, and the thermodynamic perfection of the system is maximized.
Owner:SHAANXI TOPSAIL ELECTRIC TECH CO LTD

Line scheduling and switching management system based on energy efficiency data analysis

The present application relates to the technical field of industrial intelligent manufacturing and production energy management, in particular to a production line scheduling and switching management system based on energy efficiency data analysis, comprising: collecting orders to be scheduled and real-time thermodynamic state of equipment; based on environmental parameters and downtime length, using thermal decay logic to solve the residual energy level state of the equipment; constructing a switching energy consumption matrix according to the state, quantifying the conversion energy consumption between different tasks; under the constraint of delivery deadline, solving the optimal production sequence with the lowest total conversion energy consumption, and generating the best feeding time window and state reset instruction. The present application numerizes the implicit heat energy after the equipment is stopped, overcomes the assumption defect of equipment zero state in traditional scheduling, realizes the precise utilization of residual energy level state, and effectively avoids the energy waste caused by repeated heating or forced cooling.
Owner:BAIHE YONGHONG CHEM CO LTD

Intelligent factory production line energy efficiency data acquisition and analysis method and system

The invention relates to the technical field of energy efficiency data acquisition and analysis oriented to factory management, in particular to an intelligent factory standardized production line energy efficiency data acquisition and analysis method and system, and the method comprises the following steps: a multi-source data perception interaction module captures a component pose and thermal parameters to construct a data set; the thermal energy efficiency dynamic analysis module calculates thermal demand and energy supply deviation based on a process stage; the logistics transmission power consumption evaluation module constructs a damping loss model and distinguishes effective work and abnormal loss, and the global energy efficiency optimization decision-making module executes an adaptive weighted fusion algorithm, solves an optimal working point and generates a closed-loop feedback energy-saving regulation and control strategy. The energy flow relation of production nodes is analyzed in real time through a high-frequency sensor and a dynamic thermodynamic model, hidden energy waste points are accurately positioned, process-level standardized energy efficiency indexes are formed, and energy consumption optimization, abnormity tracing and production line energy utilization rate improvement are achieved.
Owner:CHINA RAILWAY CONSTR CHONGQING CONSTR TECH CO LTD +2

An IES attack detection method based on non-invasive thermal load detection modeling

This invention designs an IES attack detection method based on non-invasive heat load detection modeling, belonging to the field of integrated energy technology. Addressing the thermal inertia of the heating network in an integrated electric-thermal energy system, a load redistribution attack model is constructed. Based on this, a non-invasive detection model is used to establish dual models on the load side: a radiator model and a building storage heat dissipation model, to detect amplified attack deviations in the room temperature state matrix. State prediction is performed using a sliding window method for state matrix similarity matching, replacing the attacked and contaminated state matrix with the predicted state matrix. The MILP method is used to enable rapid load recovery after an attack on the integrated electric-thermal energy system. This invention's detection method is fast and effective, enabling online detection, and has a certain theoretical basis and practical engineering significance.
Owner:NORTHEASTERN UNIV CHINA

Thermal energy transportation system modeling method, device, equipment, medium and product

The invention discloses a heat energy transportation system modeling method, device, equipment, medium and product, and relates to the technical field of heat energy engineering, the method comprises the following steps: obtaining a frequency domain dynamic power flow model of each heat exchanger based on a thermoelectric comparative theory according to a frequency domain heat transfer differential equation of a basic heat exchange structure of a dividing wall type heat exchanger of each structural form; a matrix frequency domain dynamic power flow model of each heat exchanger is obtained according to the frequency domain dynamic power flow model of each heat exchanger, and then a matrix frequency domain dynamic power flow model of the heat energy transportation system is constructed; the multi-target genetic algorithm and the entropy weight method are adopted to conduct parameter identification on the matrix frequency domain dynamic power flow model of the heat energy transportation system, the heat energy transportation system model is obtained, the heat energy transportation system model built through the method is more accurate, dividing wall type heat exchangers of different forms can be represented through the same form of model, and the efficiency of the dividing wall type heat exchangers is improved. The problems that the modeling process is complex and tedious and operation parameters adopted during modeling are not uniform are solved.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Hydronic system and method for transferring thermal energy from a heat pump to produce domestic hot water

The present disclosure is directed to a hydronic system (1) for transferring thermal energy from a heat pump (3) to produce domestic hot water, DHW, wherein the hydronic system (1) comprises: • a heat pump feed circuit section (7) for transporting a heat pump flow (qH) downstream of a heat pump circuit pump (11) for driving the heat pump flow (qH) through a heat pump (3); • a DHW system (49) comprising a thermal transfer element (61) and an electric heater (77), • a load feed circuit section (13) for transporting a load flow (qL) that goes at least partly through the thermal transfer element (61), wherein the thermal transfer element (61) is arranged to thermally couple at least part of the load flow (qB) with a freshwater flow (qFW); • a storage feed circuit section (19) for transporting a storage flow (qS) that goes through a thermal energy storage tank (23), wherein the storage flow (qS) is selectively directable in a charging direction in an operation mode of the hydronic system (1) in which the thermal energy storage tank (23) is charged with thermal energy and in a discharging direction in another operation mode of the hydronic system (1) in which thermal energy is discharged from the thermal energy storage tank (23), wherein the heat pump feed circuit section (7), the load feed circuit section (13) and the storage feed circuit section (19) are connected at a feed connection point (27), wherein the electric heater (77) is arranged in the load feed circuit section (13) downstream of the feed connection point (27); • a load flow feed temperature sensor (79) for determining a load flow feed temperature (TL) of the load flow (qL), wherein the load flow feed temperature sensor (79) is arranged at the load feed circuit section (13); • a load circuit pump (17) for driving the load flow (qL); and • control electronics (20), wherein the control electronics (20) is configured to control stepwise or gradually a heating power of the electric heater (77) and, depending on the operation mode of the hydronic system (1), to directly or indirectly control a speed of the load circuit pump (17) so that a deviation of the load flow (qL) from a reference load flow (qLref, qLcompref) is minimised, and / or to directly or indirectly control a speed of the heat pump circuit pump (11) so that a deviation of the load flow feed temperature (TL) from a reference load flow feed temperature (TLcompref) is minimised.
Owner:GRUNDFOS HLDG

A method and system for short-term heat load prediction control of a steam pipe network

The application discloses a steam pipe network short-term heat load prediction control method and system, belonging to the technical field of industrial automation and thermal energy engineering. The method obtains real-time operation data of the steam pipe network, constructs a constraint operator based on fluid dynamics to quantify the physical safety threshold of the steam flow rate change rate, and generates an initial predicted heat load using a deep learning model based on physical perception. Subsequently, the initial prediction is corrected in real time using the fluid dynamics constraint operator to ensure that the prediction result meets the physical realizability. Finally, a feedforward control instruction is generated according to the corrected predicted heat load, and the feedforward control instruction and a feedback control instruction work together to accurately adjust the heat source output. The application combines physical laws and data-driven models to improve the physical credibility of the prediction and the response speed, stability and safety of the control system.
Owner:江苏方洋智能科技有限公司

Vehicle air conditioning device

PCT designated stageWO2026176761A1Temperature controlThermal energy
[Problem] To provide a vehicle air conditioning device that has good fast-heating properties or fast-cooling properties. [Solution] Provided is a vehicle air conditioning device 1 comprising: a thermal energy generation unit 50 that generates heating energy or cooling energy; an HVAC unit 70 that has an HVAC internal space 73 in which temperature control units 71, 72 for controlling, using the thermal energy generated by the thermal energy generation unit 50, the temperature of air to be supplied to the inside of a vehicle cabin are disposed; a duct that is for supplying, to the inside of the vehicle cabin, the air in the HVAC internal space 73 the temperature of which has been controlled by the temperature control units 71, 72; a heat medium circuit 60 that causes a heat medium to circulate between the thermal energy generation unit 50 and the temperature control units 71, 72; and a control device 10, wherein the control device 10 is capable of executing an air conditioning preparation mode in which, before an air conditioning turn-on timing, in the state where the air conditioning is turned off, the temperature of the heat medium flowing through the heat medium circuit 60 is controlled and the temperatures inside the HVAC internal space 73 and the duct are controlled in advance.
Owner:SANDEN CORP

A blackbody temperature control and calibration method, device, equipment, medium and product

PendingCN122360704AThermal energyFluence
This application discloses a method, apparatus, equipment, medium, and product for blackbody temperature control and calibration, relating to the interdisciplinary technical fields of precision thermal control and radiometry. The method includes: constructing a generalized end-to-end optical-thermal energy transfer model; based on the generalized end-to-end optical-thermal energy transfer model, performing inversion based on the required entrance pupil radiant flux or equivalent image grayscale value, and obtaining the corrected blackbody setpoint temperature through numerical iterative calculation; and using a piecewise active disturbance rejection control system and a temperature-adaptive thermodynamic piecewise control strategy, tracking and controlling the corrected blackbody setpoint temperature. This application can achieve accurate inversion of blackbody temperature and rapid, accurate, overshoot-free closed-loop control of blackbody temperature.
Owner:NAVAL AVIATION UNIV

A thermal flow modeling-based energy storage characterization method and system for thermal power generating units

The application discloses a thermal energy storage characterization method and system for a thermal power generating unit based on heat flow modeling, and relates to the technical field of power systems.The method comprises the following steps: based on preset superheater working conditions, establishing a superheater energy flow model corresponding to the thermal power generating unit; determining the heat capacity flow parameters of each superheater in the superheater energy flow model; based on the heat capacity flow parameters of each superheater, calculating the equivalent thermal resistance data corresponding to each superheater; according to the heat capacity flow parameters of each superheater and the superheater energy flow model, determining the tube wall temperature of each superheater in the superheater energy flow model and the input temperature of each superheater; inputting the state variables into preset heat transfer state equations and preset heat transfer output equations respectively to obtain the output thermal energy of each superheater through simultaneous calculation; and based on the output thermal energy of each superheater, calculating the output thermal energy of the thermal power generating unit.The application can accurately characterize the real-time thermal storage capacity and real-time output of the boiler side of the thermal power generating unit.
Owner:NORTH CHINA ELECTRIC POWER UNIV

A method and device for heat transfer enhancement of magnetic molten salt nanofluid and sCO2 conjugation by synergistic effect of thermal magnetic coupling field

This invention discloses a method and apparatus for enhancing heat transfer between magnetic molten salt nanofluid and sCO2 through thermomagnetic coupling. The method introduces magnetic molten salt nanofluid and manipulates it using an external magnetic field, constructing a heat transfer model synergistically integrating a velocity field, a temperature gradient field, a pressure gradient field, and a magnetic field. Numerical simulations are used to obtain the velocity, temperature, and pressure distributions of the fluid, allowing analysis of the directional aggregation behavior of magnetic nanoparticles in the wall region, forming a stable thermal conductivity network and significantly reducing wall thermal resistance. Furthermore, response surface methodology (RSM) combined with neural network technology is employed to optimize the angle parameters between the velocity field and the magnetic field, temperature gradient field, and pressure gradient field. α , β , gamma This method achieves optimal configuration of multi-physics coupling, further improving heat exchange efficiency. It provides new ideas and technical support for the design of high-efficiency thermal management systems.
Owner:XI AN JIAOTONG UNIV

Heat storage method of fused salt coupling steam energy accumulator full-energy heat storage technology

PendingCN121025449ASuperheating controlWater accumulatorThermal energyControl system
The invention provides a heat storage method of a fused salt coupling steam energy accumulator full-energy heat storage technology, and belongs to the technical field of steam energy storage and energy storage flexibility. Based on a heat storage system, the heat storage system comprises a fused salt heat storage system, a steam energy accumulator heat storage system and a heat storage control system; the heat storage control system comprises a steam supply pipeline, a first adjusting valve group, a second adjusting valve group and a third adjusting valve group, in the heat storage method, when the steam energy accumulator stores heat to be full before the high-temperature molten salt tank, the second adjusting valve group is opened, and steam flowing out of the heat storage medium passage is used for industrial steam supply; when the high-temperature molten salt tank is filled with heat before the steam energy accumulator, the third regulating valve group is opened to supply a cold medium to the desuperheater to cool the steam which is about to enter the steam energy accumulator; high-grade sensible heat, low-grade sensible heat and all latent heat of steam heat energy can be fully utilized, the energy utilization rate is increased, regulation and control of the heat storage system are more flexible, and meanwhile economic benefits are increased.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Energy storage system

The thermal energy storage system described herein can be used for long term storage of large amounts of thermal energy. In some cases, such systems receive electrical energy from a renewable energy source, such as solar energy or wind. Using novel techniques, the thermal energy storage system converts electrical energy into thermal energy stored in a thermal material, such as molten silicon or any other material that can store substantial amounts of heat. The thermal energy storage system incorporates extremely excellent thermal insulation of a thermal energy storage tank comprising the thermal material. The system is also configured to release thermal energy in an efficient manner to one or more industrial heating systems of one or more power generation steam turbines and / or manufacturing plants using the novel heat exchanger systems and techniques described herein. The energy storage systems described herein have a higher overall real-world efficiency than currently available energy storage systems.
Owner:HIGHER DIMENSION MATERIALS INC

Thermal energy storage system connected to both a nuclear reactor and a generator

To provide a thermal energy storage system connected to both a nuclear reactor and a generator.SOLUTION: The integrated energy system includes a nuclear heat plant located at a nuclear reactor site. Nuclear heat plants produce thermal energy that is transported to a thermal energy storage system located outside of the reactor site. The thermal storage system is thermally coupled to a power generation system that is also remote to the reactor site. This arrangement isolates and decouples the nuclear heat plant from the power generation system. Nuclear heat plants may provide thermal energy at 800 °C. or higher to be stored in a thermal energy storage system until needed, such as for industrial heat, power generation systems, or other applications. The thermal storage system is tolerant as to source, and one or more additional thermal energy generators, such as additional nuclear reactors, solar thermal plants, or other thermal energy generators, may be coupled to the common thermal storage system and power generation system.SELECTED DRAWING: Figure 12B
Owner:TERRAPOWER LLC

Renewable power generation from thermal energy of ambient air

Conventional power generation systems and combustion engines are inherently inefficient and as a result release enormous amounts of waste heat into the atmosphere. They also emit large amounts of toxic gases and dangerous pollutants. This invention provides a new method and process for generating power with a considerably enhanced thermal efficiency and from a renewable energy source previously untapped. The invention is a thermodynamic system which converts low-grade heat of ambient air into useful mechanical work. It essentially consists of a novel waste heat recovery (WHR) cycle, an organic rankine cycle (ORC), and a Heat Pump unit. This technology has a broad range of applications in large-scale power generation, seawater desalination, propulsion systems onboard ships, HVAC systems, and in other areas where it could be practically deployed.
Owner:NABIPOOR HOSSEIN