50 results about "Internal energy" patented technology

An intelligent heat pump system autonomously manages thermal regulation in heating and cooling modes using real-time sensor data and adaptive control algorithms. The system comprises a heat pump integrated with components including a supply valve, regulating valve, return valve, and compressor expander, along with multiple sensors configured to monitor temperature and pressure conditions at various points, including the reservoir, cold side, and hot side. A removable memory stores a directive file containing operational parameters, including target temperatures, valve timing, and pressure control data. A control unit with a processor executes firmware modules that include sensor calibration routines, motor and valve control logic, and an adaptive algorithm that continuously compares real-time sensor input against target parameters. Based on deviations, the system dynamically adjusts component operations to regulate refrigerant flow, internal energy, temperature, and pressure, thereby driving the system toward a steady-state thermal condition. This autonomous system ensures efficient performance, enhanced temperature stability, and optimal energy usage across a range of varying environmental conditions.

An intelligent heat pump system autonomously manages thermal regulation in heating and cooling modes using real-time sensor data and adaptive control algorithms. The system comprises a heat pump integrated with components including a supply valve, regulating valve, return valve, and compressor expander, along with multiple sensors configured to monitor temperature and pressure conditions at various points, including the reservoir, cold side, and hot side. A removable memory stores a directive file containing operational parameters, including target temperatures, valve timing, and pressure control data. A control unit with a processor executes firmware modules that include sensor calibration routines, motor and valve control logic, and an adaptive algorithm that continuously compares real-time sensor input against target parameters. Based on deviations, the system dynamically adjusts component operations to regulate refrigerant flow, internal energy, temperature, and pressure, thereby driving the system toward a steady-state thermal condition.

This application discloses an auxiliary braking device, method, system, medium, equipment, and vehicle. The auxiliary braking device includes: a housing with a cavity formed inside; a drive shaft, connected to the wheel and at least partially disposed within the cavity; an electromagnet disposed within the cavity; and a magnetorheological fluid filling the cavity. The auxiliary braking device is configured to utilize the internal frictional adhesion force generated by the magnetorheological fluid moving within the cavity to convert the kinetic energy of the vehicle into the internal energy of the magnetorheological fluid, thereby achieving auxiliary braking. The auxiliary braking device provided by this invention achieves this by using the adsorption and release of the magnetorheological fluid under the control of a magnetic field. During normal driving, it does not affect the vehicle's power transmission; when deceleration is required, it utilizes the internal friction of the magnetorheological fluid itself to convert kinetic energy into internal energy, thus achieving an auxiliary braking effect. This device has a simple structure and is easy to operate, and can greatly protect the safety and reliability of the vehicle's main brake disc, effectively eliminating or reducing the occurrence of brake failure during long-term downhill driving or continuous deceleration.

The invention discloses a compressible fluid reducing vortex method and device, and belongs to the technical field of fluid machinery and jet propulsion. The problems that in the prior art, the energy loss is large, the efficiency is low, and the gas temperature is sharply increased in the compression process are solved. Efficient and controllable conversion among fluid pressure energy, internal energy and kinetic energy can be achieved, an air injection device based on the method can more fully convert heat energy into directional injection kinetic energy through the synergistic effect of acceleration and vortex elimination guide vanes, and the propelling efficiency is remarkably improved; and the stable recovery and conversion of kinetic energy are realized through vortex expansion, and an approximately isentropic mild pressurization process can be realized, so that the temperature rise is obviously inhibited, and the compression energy consumption and the cooling requirement are fundamentally reduced.

The aluminum steel welding production line transfer trolley reversing device comprises a supporting platform arranged on the same side of a sending-out platform and an entering platform, a containing hole is formed in the middle of the supporting platform, a rotating platform matched with the containing hole is arranged at an opening of the containing hole, and two sets of rails are symmetrically arranged at the upper end of the rotating platform; a supporting cylinder is coaxially arranged at the lower end of the rotating platform and rotationally connected with the rotating platform, and a driving part is arranged on one side of the supporting cylinder and used for driving the rotating platform to rotate to a set angle; according to the limiting structure, when the wheels of the rail car pass through the limiting structure, kinetic energy of the wheels can be converted into internal energy while the wheels are limited by the limiting structure, the working intensity of a braking system of the rail car is reduced, and the service life of the braking system of the rail car is prolonged.

The invention relates to the technical field of inertia flywheel control, in particular to a control method and device of an inertia flywheel system. The method comprises the following steps: when frequency fluctuation occurs in a power grid, firstly obtaining additional inertia needing to be supplemented by an inertia flywheel system, the speed of a flywheel rotor and the rotating speed of a synchronous phase modifier; the acceleration of the flywheel rotor is determined according to the additional inertia and the speed of the flywheel rotor; the additional electromagnetic power of the electromagnetic coupler is determined according to the acceleration of the flywheel rotor, the speed of the flywheel rotor and the rotating speed of the synchronous phase modifier; finally, the inertia flywheel system is controlled according to the additional electromagnetic power, the rotating speed of the synchronous phase modifier and the speed of the flywheel rotor, so that the internal energy flow path of the system can be optimized, the problem of power circulation when secondary equipment shares a direct-current bus is avoided, and the overall energy utilization rate of the inertia flywheel system is remarkably improved.

The invention discloses an energy conversion method and device based on a gravity field gas vertical pressure gradient, and relates to the technical field of gravity field gas thermodynamic cycle and energy conversion. Comprising the steps that a closed circulation channel composed of a gas conveying power unit, a gas conveying expansion unit, an acting output unit and a gas backflow unit is filled with working gas; the working gas at the low position is driven to rise in the vertical direction, adiabatic expansion and acceleration are carried out under the pressure decreasing condition, and gas internal energy and pressure energy are converted into kinetic energy; the high-speed gas is guided into the acting output unit to drive the generator set to generate electricity; and the acting gas naturally settles and is compressed in the backflow channel by virtue of gravity, exchanges heat with the environment in the settling process to recover the initial state, and then enters the power conveying unit again. According to the invention, a closed circulating acting path utilizing the vertical pressure gradient of the gravity field is constructed, and the comprehensive utilization efficiency of low-grade heat energy and gas pressure energy is improved.

This invention belongs to the field of energy storage and power generation technology, and particularly relates to an integrated compressed air energy storage system and method that combines gas and thermal storage. The system includes a compression subsystem, an expansion subsystem, and a double-layered air storage tank. The double-layered air storage tank comprises an inner tank and an outer tank nested together, with a sealed interlayer between them. The sealed interlayer is filled with a thermal storage medium. The air inlet of the compression subsystem and the air outlet of the expansion subsystem are both connected to the external atmospheric environment. The air outlet pipeline of the compression subsystem and the air inlet pipeline of the expansion subsystem pass through the outer tank and connect to the inner tank. The outer tank wall is covered with insulation material. This invention has a small footprint, reduces energy loss during compressed air energy storage, and significantly improves the conversion efficiency between electrical energy and the internal energy of compressed air.

The application discloses a kind of based on acceleration sensor's automobile safety air bag gas generator performance test method, utilize rigid container, piston, high-speed camera, refrigeration type infrared thermal imager, pressure sensor, acceleration sensor, data recording device;Through the linear motion of piston, indirectly measure the energy that air bag gas generator combustion converts into gas kinetic energy, through the temperature change of gas and air bag gas generator metal shell, indirectly measure the energy that air bag gas generator combustion converts into gas internal energy and converts into air bag gas generator metal shell internal energy, and obtain effective work ratio, and can monitor whether the test process produces flaming and the highest gas temperature around air bag gas generator inflation hole.The present application has reliable theoretical basis, convenient operation, accurate measurement result, provides the test and solution method of multiple-dimension air bag gas generator performance evaluation index, and provides certain technical support for actual research and production.

The present application relates to compressed air energy storage technology field, specifically disclose a kind of compressed air energy storage process energy loss measurement method based on force heat flow simulation test.The present application is under the guidance of force heat flow coupling similarity criterion dynamically collected cavern air pressure and temperature, and uses gas internal energy and heat change calculation formula to calculate the energy loss of gas storage stage, realize the energy loss of gas storage stage in simulation test process and analysis.The method of the present application not only greatly reduces the high capital investment and long time period of large-scale simulation test in traditional method, but also significantly improves the test efficiency and research feasibility, provides more scientific, accurate and reliable technical support for energy efficiency optimization of compressed air energy storage system.

A kind of hydraulic-compressed air coordinated energy storage device and method, including water pool, water inlet, water outlet, gas injection device, gas storage device, compressed air generator and water turbine generator;Water pool is provided with water inlet at one end, and is provided with water outlet at the other end, water inlet is higher than water outlet, and water outlet is connected water turbine generator;Gas storage device is arranged in the water pool, and one end of gas storage device is connected gas injection device, and the other end is connected compressed air generator, and compressed air generator and gas injection device are all outside the water pool.The present application can realize the electric energy of new energy that cannot be connected to network is converted into the gravitational potential energy of water and the internal energy of compressed air respectively, and then is utilized, so as to reach the purpose of efficient energy storage.

The application discloses a mold turning hoist and mold turning system for a reverse pouring type independent foundation mold, relates to the technical field of concrete prefabricated component production, and comprises a mold connecting assembly and a lifting lug seat. The mold connecting assembly comprises a connecting seat, a rotating shaft and a resistance plate which are sequentially connected. The resistance plate comprises a connecting surface and a blocking arc surface which is symmetrically arranged on both sides of the connecting surface. The lifting lug seat is integrally provided with a lifting hole, a movable groove and a limiting groove. The rotating shaft can rotate in the movable groove and freely move along the vertical direction. By adjusting the height of the rotating shaft, the center of gravity is positioned, the rotating shaft is ensured to be in the best turning position, the buffer damping structure of the resistance plate and the limiting groove is combined, kinetic energy is converted into internal energy through the friction of the contact surface, the rotating shaft is jacked up by the limiting groove, the whole foundation mold is lifted, the kinetic energy is rapidly attenuated, the swing range of the foundation mold during the turning process is controlled within a very small range, the safety hidden danger is eliminated, the swing times are reduced, the time for stopping swing is reduced, and the mold turning efficiency is improved.

The invention relates to the technical field of energy engineering, in particular to an advanced adiabatic compressed air energy storage parameter configuration method and device and electronic equipment, and the method comprises the steps: building an advanced adiabatic compressed air energy storage structure model; acquiring a target operation strategy of the structure model, analyzing an internal energy conversion relation and an internal thermal coupling relation of the structure model based on the target operation strategy, and establishing a compression and expansion coupling system model of the advanced adiabatic compressed air energy storage based on the internal energy conversion relation and the internal thermal coupling relation; and generating a configuration optimization model of the advanced adiabatic compressed air energy storage according to the compression and expansion coupling system model, and configuring parameters of the advanced adiabatic compressed air energy storage by using the configuration optimization model. Therefore, the problems that in the prior art, the structure is complex, a plurality of parts with nonlinear characteristics are covered, electricity-gas-heat multi-energy coupling is involved, and the design and configuration difficulty is high are solved.

The gas lift construction method comprises the steps that hydrops information of an oil and gas well to be constructed is obtained, the target gas pressure and the target gas internal energy, needed for discharging current hydrops, in an annulus are determined according to the hydrops information, and the annulus is located between a sleeve and an oil pipe; gas injection and pressure supplementation are conducted on the to-be-constructed oil and gas well through the annulus until the actual gas pressure in the annulus reaches the target gas pressure and the actual gas internal energy reaches the target gas internal energy, and gas injection and pressure supplementation of the current round are paused; and after the gas injection pressure supplement of the current round is paused, the liquid accumulation state is monitored in real time, and when the liquid column height of the accumulated liquid in the annulus reaches a preset liquid column height threshold value, liquid accumulation information is obtained again, and gas injection pressure supplement of the next round is started. The gas lift efficiency is improved, the gas lift duration is greatly shortened, and the gas injection amount is effectively reduced.

The invention relates to the field of cable insulation layer aging test, in particular to an electric vehicle cable insulation layer aging test method based on data analysis, which comprises the following steps: firstly, synchronously acquiring multi-dimensional data such as voltage, current, cable surface temperature and cooling system duty ratio based on a high-frequency sampling protocol; and then, the system constructs a virtual internal energy accumulation observation model by using the law of conservation of energy, and effectively eliminates a thermal hysteresis monitoring blind area caused by heat conduction of the insulating layer by calculating Joule thermal power input and an active heat dissipation correction term. Meanwhile, electric field auxiliary dissociation characteristics are constructed through the coupling voltage ratio and the heat accumulation degree, material activation energy is dynamically corrected through a power weight gating factor, and misinformation in the trickle charging stage is avoided. And finally, the virtual internal energy and the dynamic activation energy are mapped to the corrected Arrhenius equation, the insulation life loss is accurately calculated, and physical fidelity evaluation and real-time early warning of the insulation damage under the fast charge transient impact are realized.

The invention belongs to the technical field of multivariable control, and particularly relates to a trace synergist spraying film-forming closed-loop control method based on multi-source feedback, which comprises the following steps: acquiring an initial temperature and a microenvironment parameter before a matrix enters a spraying area in real time; constructing a microenvironment evaporation potential energy index according to the environment parameters; constructing interface phase change coupling impedance in combination with matrix thermal response parameters; calculating an impedance deviation value, and respectively determining an atomization air pressure correction value and a liquid medicine preheating temperature correction value based on the deviation value and the microenvironment evaporation potential energy index; and superposing the correction amount to a basic set value to drive the gas circuit and the liquid medicine preheating control unit. The environment self-adaptive double-variable compensation mechanism established by the invention can quantify the microscopic wetting state of a liquid film, dynamically adjust the kinetic energy and internal energy of liquid drops, effectively inhibit flash evaporation and sagging, and improve the effective adhesion rate of a synergist.

The utility model discloses a mounting structure of an external bonnet of a variable intake manifold of an engine, which comprises a fixed seat and a gland mounted at the upper end of the fixed seat, a vacuum nozzle is arranged inside the outer wall of the upper end of the gland, and a plurality of fastening bolts are arranged between the gland and the fixed seat to limit the position of the gland. An installation cavity is formed in the gland, a valve bonnet body is arranged in the installation cavity, through installation of the anti-vibration pad, strong vibration generated during operation of an engine can be effectively absorbed and buffered, and when vibration is transmitted to a bolt connection area, the anti-vibration pad can effectively absorb and buffer the engine through elastic deformation of the anti-vibration pad. Vibration energy is converted into internal energy to be consumed, so that the direct effect of vibration on the bolt is reduced, the risk of loosening of the bolt is reduced, meanwhile, the anti-vibration pad can buffer impact force caused by vibration, relative movement between parts is reduced, the abrasion degree is reduced, and the situation that the bolt is rusted due to rusting can be avoided.

The application provides a damping structure and a foldable device, and relates to the technical field of terminal devices. The foldable device comprises a first folding body, a second folding body and a rotating shaft mechanism. The rotating shaft mechanism comprises a first rotating part and a second rotating part. The first rotating part is fixed relative to the first folding body. The second rotating part is relatively rotatable with the first rotating part. The second rotating part is fixedly connected with the second folding body through the damping structure. According to the foldable device, the damping structure can quickly absorb the kinetic energy generated when the first folding body shakes under external force, and convert the kinetic energy into internal energy to dissipate, so that the first folding body can quickly stabilize.

The invention relates to an energy-saving double-circulation cooler which comprises a shell, a main circulation mechanism arranged in the shell and an auxiliary circulation mechanism arranged in the shell, and the main circulation mechanism comprises a heat exchanger arranged in the shell, a cooling water tank communicated with the heat exchanger and a water pump arranged in the shell and used for conveying cooling water into the heat exchanger; the auxiliary circulation mechanism comprises a water containing cavity communicating with the heat exchanger, an impeller rotationally arranged in the water containing cavity, a first rotating shaft fixedly arranged on the impeller, an acceleration assembly fixedly arranged on the rotating shaft, a second rotating shaft fixedly arranged on the acceleration assembly, a plurality of blades fixedly arranged on the second rotating shaft and a pre-cooling cavity fixedly formed in the shell. And the pre-cooling water pipe is communicated with the water containing cavity and is fixedly arranged in the pre-cooling cavity. According to the energy-saving double-circulation cooler, through cooperative work of the main cooling mechanism and the auxiliary cooling mechanism, gradient utilization of internal energy is achieved, waste kinetic energy is converted into an effective cold source and electric power, and the overall energy consumption is reduced.

The invention belongs to the technical field of fluid mechanical engineering, and particularly relates to a centrifugal pump and turbine dual-mode shaft power calculation method based on mechanical energy and internal energy analysis. Performing three-dimensional flow field calculation based on the pump mode system mass flow; calculating the specific mechanical energy difference between the outlet boundary and the inlet boundary of the pump mode system; calculating the specific internal energy difference between the outlet boundary and the inlet boundary; calculating pump mode shaft power of the centrifugal pump; determining a turbine mode system of the centrifugal pump; three-dimensional flow field calculation is executed based on the turbine mode system mass flow; calculating the specific mechanical energy difference between the inlet boundary and the outlet boundary of the turbine mode system; calculating the specific internal energy difference between the outlet boundary and the inlet boundary; calculating the turbine mode shaft power of the centrifugal pump; through collaborative analysis of mechanical energy and internal energy, the structure and operation characteristics of the pump and turbine dual mode of the centrifugal pump are adapted, and the technical blank of quantitative shaft power calculation under the pump and turbine dual mode of the centrifugal pump is made up from the perspective of system energy dissipation and conservation.

The invention relates to the technical field of plasma physics and magnetic field compression, in particular to a low-temperature high-density plasma target preparation device and method. According to the technical scheme, the device comprises a pulse magnetization plasma generation assembly, a magnetic field compression transmission cavity, a reversible superconducting cooling type magnet assembly and a multi-window diagnosis observation cavity which are sequentially connected in the plasma transmission direction. Through a two-stage compression mechanism combining eddy current preliminary compression and gradient magnetic field deep compression, on the premise that a complex transient pulse power system is not needed, the plasma density is successfully increased by three orders of magnitude to 1023m <-3 > order of magnitude, and efficient conversion from kinetic energy to internal energy is synchronously achieved; the device adopts a steady-state superconducting magnet and a compact integrated design, the structure is simplified, the operation is stable, the whole-process real-time diagnosis capability is realized, and an efficient and reliable scheme is provided for magnetization target pulse fusion and high-energy density physical research.

The invention discloses a magnetothermal effect-based rotary braking energy recovery device and a use method. The magnetothermal effect-based rotary braking energy recovery device is integrated in a vehicle brake disc assembly. The device comprises an external composite shell, a magnetic excitation unit, an internal energy conversion and medium management module and an axis fluid conveying assembly. The permanent magnet rotating along with the brake disc generates a periodic moving magnetic field, so that the internal magnetocaloric material layer generates a magnetocaloric effect, and the Novec type low-boiling-point fluorinated liquid in the sealing cavity is jointly heated by cooperating with brake friction heat, so that the Novec type low-boiling-point fluorinated liquid is promoted to be evaporated into gas-liquid two-phase flow; gas-liquid separation is achieved through centrifugal force and Coriolis guide blades, a gas phase passes through a central convergence flow channel and is guided out of an axis pipeline to an external heat exchange system to recover heat energy, condensed liquid flows back into the device and is pre-cooled by a magnetic material in a demagnetization heat absorption stage, and circulation is completed. The system does not need external energy, is compact in structure, can efficiently recover medium and low temperature braking waste heat, and is suitable for a new energy automobile heat management system.

The application belongs to the technical field of energy storage, and relates to an energy storage system and method based on a methanol fuel gas turbine, which comprises a carbon dioxide circulation supply assembly, a methanol energy storage assembly and a gas turbine circulation assembly. The application can prepare methanol from unstable electric energy generated by new energy power generation, store the internal energy of the methanol converted from the electric energy, and reduce the storage difficulty of the methanol which is in a liquid state at normal temperature and pressure compared with high-pressure gas. Meanwhile, hydrogen and carbon monoxide generated by cracking of the methanol are used as fuel of the gas turbine circulation assembly, waste heat of the gas turbine circulation assembly is converted into internal energy of the fuel to drive a first turbine in the gas turbine circulation assembly, the first turbine is expanded to do work to drive a generator to generate electricity, waste heat of the gas turbine circulation assembly is recycled, the efficiency of conversion of chemical energy of the fuel into mechanical energy is improved, and the loss of conversion of chemical energy into physical energy in the combustion process is reduced.

The embodiment of the invention relates to a water physical property determination method and device, equipment and a medium. The method comprises the steps that the pressure and initial physical property data of water to be analyzed are obtained; wherein the initial physical property data comprises one of initial internal energy, initial enthalpy and initial entropy; determining a candidate physical property interval corresponding to the candidate thermodynamic partition according to a partition boundary function in the pressure and water physical property function, and determining the candidate physical property interval where the initial physical property data is located as a target physical property interval; determining an interval boundary temperature corresponding to an interval endpoint of the target physical property interval, and determining an initial prediction temperature according to the interval boundary temperature; according to the pressure, the initial prediction temperature, the interval boundary temperature and a physical property calculation function in the water physical property function, physical property iterative calculation based on the temperature is carried out, and expanded physical property data of the to-be-analyzed water is obtained. According to the embodiment of the invention, relatively high calculation precision of the water physical property is realized, and relatively good numerical value continuity is achieved.

The present application belongs to the technical field of mechanical equipment manufacturing, and particularly relates to a grease stirring resistance and viscous resistance measuring device and method. The stirring resistance and viscous resistance measuring device is designed according to the geometric configuration relationship between the rolling body and the rolling track, and can represent, calculate and evaluate the stirring resistance and viscous resistance of the rolling bearing grease. The gravitational potential energy is converted into kinetic energy and then into internal energy received by the rolling body during operation. The stirring resistance and viscous resistance of the grease under different motion conditions are calculated by using the energy conversion method. The reliability is verified through measurement tests, and the measurement results can be further used as a technical standard for judging the physicochemical properties of the grease, and have good application prospect. The device structure is simple and effective, the measurement means and method are standardized, and can provide a basis for estimating the stirring resistance and viscous resistance of the grease.

The invention discloses a multi-source energy supply system design method for gradient utilization of temperature and pressure chemical energy, which comprises the following steps of: determining an optimal heat exchange sequence between each heat source and a heat sink according to a multi-stage heat energy gradient utilization principle: preferentially carrying out matched heat exchange on a high-temperature heat source and a to-be-heated working medium with the minimum temperature difference to realize step-by-step recovery of heat energy; planning an energy extraction path of high-pressure gas according to a pressure gradient utilization principle; based on a chemical energy gradient release principle, designing a staged conversion path of fuel chemical energy; integrating the three types of cascade paths to generate a system topological structure; determining a connection sequence and control nodes among the devices, and forming an energy supply system architecture based on energy gradient utilization; and performance verification and optimization: verifying the matching between the energy steps and the overall energy efficiency index of the system through simulation or experiments. The system performance is improved by orderly planning gradient utilization paths of heat energy, internal energy and chemical energy.

The invention relates to the technical field of oilless compressors, in particular to a cooling system of an oilless compressor and a compressor, and the cooling system of the oilless compressor comprises a gas storage tank, a first gas delivery pipe, a second gas delivery pipe, an electric control valve, a guide pipe, a piston, a gas compression assembly, a locking assembly, a buffer assembly and a heat transfer assembly. The piston is arranged in the guide pipe and can slide along the inner wall of the guide pipe. The gas compression assembly is arranged at the bottom in the gas storage box, the locking assembly is arranged at the bottom of the guide pipe and corresponds to the piston in position, the buffering assembly is arranged at the top in the guide pipe, and the heat transfer assembly is arranged at the top of the outer side wall of the guide pipe. During use, high-temperature gas in the gas storage tank can push the piston to slide along the inner wall of the guide pipe and quickly get away from the gas storage tank, and due to the fact that the gas in the gas storage tank does work, the internal energy is reduced while the volume is expanded, the gas temperature can be quickly reduced. Even if the device is used for a long time, high cooling efficiency can be kept all the time.

The application relates to a mixed energy storage optimization method and device considering molten salt heat storage coupled with a thermal power generating unit, which comprises the following steps: analyzing the basic structure and energy flow relationship of the molten salt heat storage coupled with the thermal power generating unit, and dividing the molten salt heat storage coupled with the thermal power generating unit into a system; analyzing the energy flow of each device of the molten salt heat storage coupled with the thermal power generating unit system, and constructing an energy balance model and constraint conditions; constructing a corresponding mathematical model based on the energy balance model of each device; establishing a corresponding double-layer optimization configuration model of the mixed energy storage system; and solving the mathematical model and the double-layer optimization configuration model; the method is based on the internal energy flow relationship of the deep coupling of the molten salt heat storage and the thermal power generating unit, a mathematical model for analyzing the operation of the molten salt heat storage coupled with the thermal power generating unit system is established, the capacity of the electrochemical energy storage and the molten salt heat storage can be reasonably optimized through the model calculation result, different types of energy can be complemented, the flexible adjustment capacity of the system can be improved, and the operation cost of the system can be reduced.

A method, device, storage medium, and equipment for predicting the performance of high-pressure fluid expansion ejection. The method obtains the structural parameters of the ejection device and the initial thermophysical parameters of the working fluid by setting a measuring tool; sets the fluid working fluid state equation, equation parameters, and coefficients in the calculation process; calculates and obtains the working fluid density and specific internal energy of the fluid working fluid in the high- and low-pressure chambers, and the displacement and velocity of the target load; calculates and obtains the saturation point specific internal energy of the fluid working fluid, and judges the phase state of the fluid working fluid through the saturation point specific internal energy; calculates and obtains the thermophysical parameters of the fluid working fluid in a preset phase state; selects a set time step and a set numerical solution strategy, performs iterative calculations, and obtains the thermophysical parameters of the fluid working fluid in the high- and low-pressure chambers and the real-time motion state of the target load during the ejection process. The present invention takes into account the phase transformation of the working fluid and is applicable to various real fluid state equations, and obtains the thermodynamic parameters of the high- and low-pressure chambers and the motion state parameters of the target load in real time during the ejection process.

The invention discloses a tunnel arch supporting device for tunnel construction, and belongs to the technical field of tunnel supporting. The tunnel arch supporting device for tunnel construction comprises a tunnel arch, a supporting frame, a buffering assembly and a supporting assembly. An elastic arc-shaped supporting plate pushes a sliding block to slide, a piston is pulled to extrude air in a first air bin, impact kinetic energy of a tunnel on the elastic arc-shaped supporting plate is converted into internal energy of gas, energy is released through slow expansion of the gas, and therefore impact force is weakened, action time is prolonged, and the buffering effect is achieved; when the lateral side of the tunnel applies pressure to the abutting plate, the piston rod pushes the connecting column to move by extruding hydraulic oil, extra contraction driving force is applied to the connecting spring, the deformation limit of the connecting spring is increased, and the deformation of the connecting spring is reduced. Therefore, more energy is absorbed, and the buffering effect of the connecting spring can be enhanced.