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69 results about "Reaction model" patented technology

Multi-cell control method for hydrogen production alkaline electrolytic cell based on nonlinear model predictive control

The invention relates to a multi-cell control method for hydrogen production alkaline electrolytic cells based on nonlinear model predictive control, which belongs to the technical field of hydrogen production and comprises the following steps of: performing data acquisition on key positions of a hydrogen production alkaline electrolytic cell system in real time; based on the dynamically determined priority of each electrolytic cell, dynamic load distribution of each electrolytic cell is carried out, and a multi-dimensional cooperative regulation strategy is implemented to obtain a hydrogen yield target value of each electrolytic cell; constructing a nonlinear model comprising an electrolytic reaction model, a heat transfer model and an inter-tank coupling model, and performing parameter identification and verification; and designing a nonlinear model predictive control algorithm, performing discretization processing on the nonlinear model, introducing Kalman filtering to process the uncertainty of the model, taking a corresponding hydrogen yield target value reached by each electrolytic cell on the premise of meeting the constraint as a final control target, constructing an optimized target function, and performing solving to obtain an optimal control scheme. Compared with the prior art, the control precision and the system stability can be effectively improved.
Owner:SHANGHAI JIAOTONG UNIV +1

Multi-dimensional multi-physical field coupling analysis platform of hydrogen fuel cell based on artificial intelligence

The invention discloses a multi-dimensional multi-physics field coupling analysis platform of a hydrogen fuel cell based on artificial intelligence, and relates to the technical field of hydrogen fuel cells, the platform comprises a user interaction interface module, a multi-physics field model construction module, a data acquisition and preprocessing module, an integration module and an analysis and result output module; an electrochemical reaction model, a temperature field model and a gas and liquid flow model are respectively built through a multi-physical field model building module, the coupling strength among different physical fields is quantified, and the electrochemical reaction model, the temperature field model and the gas and liquid flow model are integrated into a multi-physical field model; physical action parameters such as electrochemical reaction rate, temperature value and the like are associated with time change, spatial distribution and fault conditions, so that the platform can simulate the multi-physical field coupling effect of the hydrogen fuel cell under complex working conditions, and the performance of the fuel cell is analyzed; and a reliable basis is provided for the geometric structure, material selection and operation condition optimization of the fuel cell.
Owner:Shanxi Taihang Laboratory Co., Ltd. +1

Thickening agent addition and on-line viscosity regulation and control system in post-adjustment stage of polyacrylic acid emulsion

The invention relates to the technical field of chemical production regulation and control, and discloses a system for thickening agent addition and on-line viscosity regulation and control in a post-regulation stage of a polyacrylic acid emulsion. The system comprises an overview construction module, a coefficient generation module, a rate optimization module and an execution control module. The overview construction module creates a production overview based on user settings, wherein the production overview comprises a reaction tank body connection relationship and thickening agent injection node parameters; the coefficient generation module is used for collecting real-time stirring state data and tank reaction data, respectively constructing a stirring state model and a tank reaction model, and outputting a stirring state coefficient and a tank reaction coefficient; the rate optimization module obtains the difference value between the current viscosity measurement value and the target viscosity, constructs a rate optimization model in combination with the tank reaction coefficient, the stirring state coefficient and the viscosity difference value, and outputs the target thickening agent injection rate; and the execution control module drives the thickening agent injection device according to the target thickening agent injection rate. According to the system, the accuracy and the stability of viscosity regulation and control are improved.
Owner:MEISHAN JINGRUI ELECTRONIC MATERIALS CO LTD

Method for explaining damage threshold improvement in fused quartz femtosecond laser processing / welding process

The invention discloses an explanation method for damage threshold improvement of a fused quartz material in a femtosecond laser processing / welding process. By establishing a fused quartz electron-lattice heat transfer model under femtosecond laser irradiation, a dissociation model of environment molecules and interstitial molecules under the action of femtosecond laser and a defect-containing fused quartz molecule dynamic reaction model based on a ReaxFF reaction force field, atomic structure changes in a system before and after a reaction are analyzed; and finally, obtaining a chemical reaction mechanism of the fused quartz containing the defects under the action of the femtosecond laser, and explaining the phenomenon that the damage threshold of the fused quartz is increased after the fused quartz is irradiated by the low-flux femtosecond laser. According to the method, the research in the current fused quartz femtosecond laser processing / welding process is perfected, and meanwhile, the theoretical blank that the damage threshold lifting mechanism is not clear in the fused quartz glass femtosecond laser processing / welding process is filled up.
Owner:NANJING UNIV OF SCI & TECH

Hybrid attribute reaction model (ARM) in molecule-based EO reactor (MB EORXR)

An embodiment represents composition of molecules in a feedstock as a combination of individual molecule representations and molecular attribute representations. A representation of chemistry of a chemical reaction of the feedstock in a chemical reactor is then formulated based on the representations. Then, a simulation of the chemical reaction of the feedstock in the reactor is performed using the representations to determine composition of products of the reaction. A first subset of the products are represented as individual molecule represented products, and a second subset of the products are represented as attribute represented products. In turn, the attribute represented products of the second subset are sampled to determine individual molecule representations of the attribute represented products. As a consequence of the sampling, individual molecule representations of the first and second subsets of the products of the chemical reaction of the feedstock in the chemical reactor result.
Owner:ASPENTECH CORPORATION

Autonomous intelligent adjusting method and system for pH value of desulfurization device of thermal power plant

The invention provides a method and a system for autonomously and intelligently adjusting the pH value of a desulfurization device of a thermal power plant. The method comprises the following steps: collecting inlet flue gas parameters, pH values of multiple points in an absorption tower and slurry physical property parameters in real time; transmitting the data to a control system, and dynamically predicting the optimal pH value range required by the current working condition by using a built-in desulfurization reaction model; comparing the actual pH value with a prediction range, generating a desulfurizing agent adding basic instruction, and performing dynamic correction by combining the liquid level and density of the slurry to obtain a final instruction; a high-precision metering pump and a regulating valve are controlled to execute precise adding; meanwhile, the model is self-optimized according to performance index feedback such as desulfurization efficiency and outlet SO2 concentration. Through combination of multi-parameter perception, model prediction feedforward and physical property parameter dynamic correction, the pH value is converted from passive and lagged adjustment to active and accurate intelligent adjustment, the desulfurization efficiency and the system stability are effectively improved, the operation cost is reduced, and environment-friendly up-to-standard emission is ensured.
Owner:HUANENG YICHUN THERMAL POWER CO LTD

Rapid modeling method for material pyrolysis kinetic model

The invention discloses a rapid modeling method for a material pyrolysis kinetic model, and solves the problems that prediction of'kinetic three factors' of an existing pyrolysis reaction is suitable for a single-step reaction, calculation errors may be large, or prediction of'kinetic three factors' of the existing pyrolysis reaction is suitable for a complex multi-step reaction, but pre-exponential factors and a reaction mechanism function cannot be directly obtained. According to the method, physical information and an operator neural network are fused, a double-branch network architecture, namely the physical information enabling operator neural network, is constructed, and meanwhile, a physical constraint module containing a kinetic equation is introduced to enhance the interpretability of a neural network model. In practical application, thermogravimetric data measured by experiments and corresponding heating rates can be respectively used as input of a branch network and a backbone network of the neural network model, and then kinetic parameters of the pyrolysis problem multi-step reaction model are predicted. A numerical result shows that the method effectively improves the precision of parameter estimation by fusing physical priori knowledge.
Owner:NORTHWEST INST OF NUCLEAR TECH

Method for predicting output performance of fuel cell in low-pressure environment

The invention discloses a construction and performance analysis method for a low-pressure performance prediction model of a fuel cell, which is applied to the technical field of proton exchange membrane hydrogen-air fuel cells, and comprises the following steps: establishing an air pressure and density model changing along with altitude based on an empirical formula; according to a Nernst equation and a fuel cell polarization equation, obtaining a fuel cell monomer voltage; establishing a stack cathode and anode reaction model by using a mass conservation principle and electrochemical characteristics; and an air compressor model based on the MAP and a cathode outlet pipeline model based on the nonlinear nozzle equation are established. A simulation environment is completed by using Simulink based on the model, and simulation result data is obtained and used for predicting the performance of the fuel cell in a low-pressure environment. According to the invention, waste of manpower and material resources caused by blind low-pressure test and irreversible damage possibly caused to the fuel cell system are avoided, theoretical guidance and predictive analysis basis are provided for subsequent test research, and powerful support is provided for low-pressure performance analysis and design of the fuel cell.
Owner:BEIJING AEROSPACE PETROCHEM TECH & EQUIP ENG CORP LTD +1

Method and system for determining in-situ limit exploitation depth of oil shale

The invention discloses a method and system for determining the in-situ limit exploitation depth of oil shale, and the method comprises the steps: measuring the permeability under different depths according to an oil shale sample of an oil shale in-situ region to be evaluated; performing a pyrolysis experiment on the oil shale sample to obtain the composition of each simulated product and the components of each simulated product changing along with the temperature, and fitting a pre-constructed kerogen pyrolysis-based multi-step total reaction model on the basis of the composition and the components, so as to obtain fitted model coefficients and reaction kinetic parameters; predicting a formation temperature field formed on the basis of a heating condition of high-temperature fluid injection in the current formation, and predicting a yield change curve on the basis of the formation temperature field in combination with the permeability at different depths, the model coefficients and the reaction kinetic parameters; and establishing an income prediction model related to the to-be-evaluated oil shale in-situ area, and obtaining the limit mining depth when the income value is zero according to the yield change curve.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A sewer network pollutant concentration control method, system, device and medium

PendingCN122287465AWastewaterSewage
This invention discloses a method, system, equipment, and medium for controlling pollutant concentration in wastewater pipe networks, relating to the field of drainage system technology. The method includes: obtaining the mass flushing rate of pollutants under pipe scouring; collecting the amount of components generated by chemical reactions within the pipe; constructing a pollutant reaction model; and, based on convection diffusion, obtaining the concentration changes of sediments following wastewater, constructing a convection diffusion reaction model. The mass flushing rate, pollutant reaction model, and convection diffusion reaction model are coupled to obtain a pollutant concentration prediction coupling model. The pollutant concentration in the wastewater pipe network is predicted based on the pollutant concentration prediction coupling model, and the pollutant concentration is divided into multiple levels. Different flushing methods are selected within different levels to control the pollutant concentration in the wastewater pipe network. This invention can adopt different methods according to different actual scenarios, thereby controlling the pollutant concentration within a reasonable range.
Owner:XI AN JIAOTONG UNIV

Numerical simulation method for multi-physical phenomena of rotary kiln based on artificial intelligence reasoning

The application discloses a rotary kiln multi-physical phenomenon numerical simulation method based on artificial intelligence reasoning, relates to the technical field of rotary kiln multi-physical phenomenon simulation, and is based on the Euler multiphase flow equation, adds a heat transfer model, a chemical dynamics reaction model, a particle growth model, a chemical reaction model and the like, establishes a three-dimensional numerical model capable of accurately simulating the multi-physical and chemical phenomena such as the gas-solid two-phase flow movement, combustion, NOx generation, clinker calcination and particle growth in the rotary kiln, introduces a long short-term memory neural network to build an AI model, uses the AI model to predict the latter half of the working condition, accelerates the simulation speed, and realizes long-time simulation of the rotary kiln.
Owner:HEFEI CEMENT RESEARCH AND DESIGN INSTITUTE CO LTD

Method and medium for simulating hydrogen absorption / desorption process of hydrogen storage device

A method and medium for simulating a hydrogen absorption / desorption process of a hydrogen storage device relates to the technical field of energy system modeling and simulation, and the method comprises the following steps: obtaining a hydrogen absorption / desorption reaction model of a hydrogen storage material, the hydrogen storage material being a metal hydride for hydrogen storage and desorption in the hydrogen storage device; based on the reaction model, a user-defined function is generated, and the user-defined function is used for representing the hydrogen absorption / desorption process of the hydrogen storage material; determining a user-defined scalar based on the conversion rate of the hydrogen storage material; and based on the user-defined function and the user-defined scalar, simulating the hydrogen absorption / desorption process of the hydrogen storage device by using simulation software so as to realize coupling calculation of hydrogen absorption / desorption reaction and flow, heat transfer and mass transfer.
Owner:TSINGHUA UNIVERSITY +1

Boiler waste gas blending combustion control method and device, storage medium and electronic equipment

The invention relates to a boiler waste gas blending combustion control method and device, a storage medium and electronic equipment, and the method comprises the steps that the air inlet amount and the waste gas blending combustion amount of a boiler are input into a boiler reaction model obtained through pre-training, and first boiler reaction parameters output by the boiler reaction model are obtained; under the condition that the first boiler reaction parameter does not meet the pollutant emission control condition, the position of an exhaust gas blending combustion inlet in the boiler reaction model is adjusted, and the air inlet amount and the exhaust gas blending combustion amount are adjusted; the adjusted air inlet amount and the adjusted waste gas blending combustion amount are input into the adjusted boiler reaction model, and second boiler reaction parameters output by the boiler reaction model are obtained; and under the condition that the second boiler reaction parameter meets the pollutant emission control condition, the air inlet amount and the waste gas blending combustion amount flowing into the boiler are controlled according to the adjusted waste gas blending combustion inlet position, the air inlet amount and the waste gas blending combustion amount.
Owner:CHINA SHENHUA COAL TO LIQUID & CHEMICAL ORDOS COAL LIQUEFACTION CO ORDOS CITY

Hydrogen-based shaft furnace one-dimensional multi-phase field modeling method based on fuzzy neural network optimization

The invention discloses a hydrogen-based shaft furnace one-dimensional multi-phase field modeling method based on fuzzy neural network optimization. The method comprises the following steps: firstly, constructing a multi-phase field one-dimensional preliminary model of internal temperature, pressure and concentration of the hydrogen-based shaft furnace by using a fluid mechanics equation; secondly, constructing a reaction model based on an additive reaction time law, endowing each characteristic time item with a coefficient multiplier, and fully exciting the model through random values of the coefficient multipliers to obtain multi-phase field model simulation data; then constructing an agent model and optimizing a coefficient multiplier by utilizing a fuzzy neural network and combining a non-dominated sorting genetic algorithm II (NSGA-II); and finally, inputting the optimized coefficient multiplier and newly collected shaft furnace feeding parameters into the multi-phase field model to obtain an optimized hydrogen-based shaft furnace multi-phase field simulation result. Through cooperative driving of a mechanism and data, precise modeling of a multi-phase field in the hydrogen-based shaft furnace is achieved, and high simulation precision is achieved for different smelting conditions.
Owner:ZHEJIANG UNIV +1

Construction method of hami oil-rich coal macromolecular model and application thereof

PendingCN122314118AFt ir spectraEthylene formation
This invention discloses a method for constructing a macromolecular model of Hami oil-rich coal and its application. The molecular formula and functional group characteristics of the coal sample are determined through elemental analysis and infrared spectroscopy. A planar structural model is constructed using the Wiser model framework, and a stable configuration is obtained after geometric optimization. Finally, a pyrolysis reaction model containing multiple molecules is constructed through stacking. Targeting the high-oxygen and high-cycloalkane structural characteristics of Hami oil-rich coal, a C1... 128 H 82 NO 16 and C 111 H 88 NO 28 Two precise models were used, and the accuracy of the calculated infrared spectra was verified by comparing them with experimental spectra. ReaxFF molecular dynamics simulations were performed using this model, revealing the influence of different heating rates and pyrolysis temperatures on product distribution. The optimal simulation temperature and critical values ​​for pyrolysis rate control were determined, and the difference in ethylene formation pathways between alkyl-rich coal and ether-rich coal was analyzed. This invention fills the gap in precise models for Hami oil-rich coal, providing key theoretical basis and parameter guidance for optimizing pyrolysis processes, achieving targeted regulation, and improving energy efficiency.
Owner:XINJIANG UNIVERSITY

Multi-temperature field grouting material reaction model box

The application discloses a kind of multi-temperature field grouting material reaction model box, including water storage tank, temperature tank and grouting reaction model box;The grouting reaction model box includes box, grouting material unit and reaction unit;The grouting material unit is set on box and is communicated with box, and grouting material is injected into the reaction unit in box;The reaction unit corresponds grouting material unit and is set in box;The water storage tank is communicated with temperature tank, and original water source is input to temperature tank inside and temperature adjustment is carried out to original water source;The temperature tank is communicated with grouting reaction model box, and the water source in temperature tank after heating is injected into grouting reaction model box, and reacts with grouting material on the reaction unit in grouting reaction model box;The scheme can adjust the temperature of grouting material reaction, meet the different temperature under the grouting material anti-seepage plugging performance research proposed in actual engineering, to improve the reliability of grouting material anti-seepage plugging.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Silica scale formation prediction system, geothermal power generation system, silica scale formation prediction method, and silica scale formation prediction program

This system provides a silica scale generation prediction system that can predict the amount of silica scale generated with greater accuracy. [Solution] The silica scale generation prediction system according to the present invention is based on the temperature T at the predicted site of the target object. s A prediction formula PF for silica concentration C, which depends on the silica concentration, and the time t until the silica-containing fluid reaches the predicted site. s The system includes a silica scale generation prediction unit that predicts the amount of silica scale generated at a predicted site based on at least one of the silica concentration C prediction curve PC which depends on the silica concentration C, wherein the silica concentration C prediction formula PF and the silica concentration C prediction curve PC are obtained based on a reaction model generated using a silica polymerization reaction that includes reversible and irreversible reactions and precipitation equilibrium reactions of silica contained in the fluid, and the silica scale generation prediction unit calculates the amount of silica scale generated at the predicted site using at least one of the initial silica concentration Ci and the fluid flow rate FR.
Owner:FUJI ELECTRIC CO LTD

Abnormal air volume evaluation method for coal-fired unit boiler and furnace safety evaluation method

The present application provides a kind of coal-fired unit boiler abnormal air volume evaluation method and furnace safety evaluation method, steps are: with the combustion region of coal-fired unit boiler as the calculation domain to construct analysis structure model;Based on analysis structure model, reaction model is constructed to obtain air volume analysis model;Input normal induced draft and run air volume analysis model, steady state is obtained using steady-state calculation method;Input to be evaluated induced draft, with steady state as initial condition, run air volume analysis model, transient furnace state is obtained using transient calculation method to judge whether to be evaluated induced draft is abnormal air volume;Transient furnace state includes transient high-temperature flame state of each time step and transient furnace internal pressure of each time step.The evaluation method can greatly reduce the cost of evaluation on whether to be evaluated induced draft is abnormal air volume and furnace safety evaluation through simulation means, without adjusting parameter test in boiler system, and has strong repeatability.
Owner:NORTH CHINA ELECTRIC POWER UNIV

A dynamic multi-factor coupling prediction method for coke oven gas

The application provides a coke oven gas dynamic multi-factor coupling prediction method, relates to the coking technology field, and comprises the following steps: S1, data acquisition and preprocessing; S2, dynamic reaction model establishment: simulating the dynamic change of gas precipitation in the coking process, considering the interaction between various factors, and establishing a dynamic mathematical model; S3, model verification and correction; S4, real-time calculation and prediction. The coke oven gas dynamic multi-factor coupling prediction method comprehensively considers various factors such as coal quality characteristics, coke oven heating system and operation parameters, and embeds a multi-factor coupling mechanism, effectively overcomes the problem of large prediction error of the traditional coal quality element balance method for high volatile matter coal, and avoids the problem of poor generalization ability caused by the dependence of the empirical formula method on specific coal data. The method does not depend on the data of specific coal, can accurately predict atypical coal, and significantly improves the prediction accuracy and generalization ability.
Owner:HUNAN LIANGANG ELECTROMAGNETIC MATERIALS CO LTD +1

Grouting material reaction model box

The utility model discloses a grouting material reaction model box, which relates to the technical field of grouting materials and comprises a reaction mechanism, the bottom of the reaction mechanism is fixedly connected with a heating mechanism, and the bottom of the reaction mechanism is fixedly connected with an absorption mechanism; and the absorption mechanism comprises a fixing ring, the inner wall of the fixing ring is fixedly connected with a gas collection port, the inner wall of the gas collection port is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a gas collection fan. Through the cooperation of the gas collecting port, the motor II, the gas collecting fan, the gas collecting pipe, the activated carbon box and the box cover, a worker can load activated carbon into the activated carbon box, the motor II is started to drive the gas collecting fan to rotate, harmful gas generated by the reaction of a grouting material is injected into the activated carbon box through the gas collecting pipe, and harmful substances are adsorbed by the activated carbon; after the reaction of the grouting material is finished, the box cover can be opened to remove and replace the activated carbon in the activated carbon box, so that harmful substances are prevented from being directly discharged into air, and the life health of workers is protected.
Owner:ZHENGZHOU UNIV

Drying process quality monitoring method and device based on wafer drying and medium

The invention discloses a drying process quality monitoring method and equipment based on wafer drying, and a medium, belongs to the technical field of wafer drying process monitoring, and aims to solve the problems that in the existing wafer drying process, the final finished product monitoring is often performed, the process monitoring and defect control of the intermediate link flow are difficult to realize, and the product quality is poor. The overall yield of the wafer is not facilitated, and resource waste is easily caused. The method comprises the following steps: carrying out integrity monitoring treatment under water film coverage on the surface of a wafer which is conveyed and loaded; performing liquid load identification calculation on the wafer surface image after physical spin-drying to obtain a surface water film spot diagram; carrying out volume calculation under related water film pixels on the surface water film spot diagram; carrying out gas concentration reaction model calculation processing on the residual deionized water film volume data and the replaced gas data; carrying out microscopic quality inspection treatment on the wafer surface of the wafer to obtain post-processing quality data; and generating a drying process monitoring report for wafer drying process monitoring.
Owner:QINGDAO BESLAN SEMICONDUCTOR TECHNOLOGY CO LTD

A method and system for optimizing toxicity management of a car-t cell therapy

The application provides a CAR-T cell therapy toxicity management optimization method and system, relates to the technical field of artificial intelligence, and comprises the following steps: acquiring clinical data of a blood tumor patient receiving a CAR-T cell therapy; performing missing value interpolation and standardization processing on baseline characteristic information and process monitoring data to obtain a standardized data set; obtaining a calibrated virtual patient physiological model according to a preset tumor cell kinetics model, an immune cell kinetics model and a toxicity reaction model; taking the calibrated virtual patient physiological model as an interactive environment to obtain a correlation database; constructing a deep Q network intelligent agent with a maximum reward function as a target to obtain an optimized deep Q network intelligent agent; and inputting the process monitoring data into the optimized deep Q network intelligent agent to obtain a target strategy, so that the individualized CAR-T treatment strategy balancing the therapeutic effect and toxicity can be automatically output by inputting the real-time monitoring data of the patient.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Heating well spacing evaluation method and system for in-situ fluid heating oil shale

PendingCN120633121AForecastingFluid removalThermodynamicsKerogen pyrolysis
The invention discloses a heating well spacing evaluation method and system for in-situ fluid heating of oil shale, and the method comprises the steps: measuring basic parameters of a rock mass according to an oil shale sample of an oil shale in-situ region to be evaluated; performing a pyrolysis experiment on the oil shale sample to obtain the composition of each simulated product and the components of each simulated product changing along with the temperature, and fitting a pre-constructed kerogen pyrolysis-based multi-step total reaction model on the basis of the composition and the components, so as to obtain fitted model coefficients and reaction kinetic parameters; setting well pattern modes based on different well spacing for the mining heating area; predicting a formation temperature field formed on the basis of a heating condition of high-temperature fluid injection in the current in-situ formation, and predicting yield change curves under different well pattern modes on the basis of the formation temperature field in combination with the solved model coefficients and reaction kinetic parameters and the different well pattern modes; and establishing a target index calculation model for evaluating the quality of the well pattern modes, and obtaining corresponding target indexes according to the yield change curves in different well pattern modes, thereby optimizing the optimal well spacing.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Determination method of underground fuel deposition rate, reaction model and experimental device

The invention relates to a method for determining an underground fuel deposition rate, which comprises the following steps of: putting a rock core and high-temperature-resistant cement into a model pipe to prepare a reaction model; the reaction model is placed in the RTO tubular furnace, the reaction model is connected with a gas inlet pipe and a gas outlet pipe, the gas inlet pipe of the reaction model is connected with a first gas cylinder and a second gas cylinder, and the gas outlet pipe of the reaction model is connected with a gas-liquid separation device and a flue gas analyzer; a control valve of the second gas cylinder is opened, a control valve of the first gas cylinder is closed, and gas in the second gas cylinder enters the reaction model; the control valve of the second gas cylinder is closed, the control valve of the first gas cylinder is opened, gas in the first gas cylinder enters the reaction model, the RTO tubular furnace is started, and heating is stopped after the temperature is increased to the preset temperature; calculating fuel consumption according to the volumes of carbon dioxide and carbon monoxide measured by the flue gas analyzer; and measuring the amount of liquid crude oil collected in the gas-liquid separation device after heating is stopped, and calculating the fuel deposition rate based on the amount of the liquid crude oil and the fuel consumption.
Owner:PETROCHINA CO LTD

A Multiphysics Coupled Modeling and Simulation Method for the Puncture Process of a Pouch Lithium Battery

This invention belongs to the field of lithium-ion battery modeling technology and discloses a multi-physics coupling modeling and simulation method for the puncture process of a pouch lithium battery. The method includes the following steps: establishing an electrochemical reaction model of the lithium-ion battery based on P2D theory; simulating the electrochemical phenomena of the lithium-ion battery discharge process by constructing a 1D battery model; simulating the current distribution in the positive and negative electrode current collectors by constructing a 2D current collector electron transport model; and simulating the heat generation and heat transfer process by constructing a 3D puncture thermal model. These models are then coupled together to form a comprehensive model. This invention employs the aforementioned multi-physics coupling modeling and simulation method for the puncture process of a pouch lithium battery to simulate the SOC, voltage, current, and temperature after puncture. The electrochemical-thermal coupled full 3D modeling method provides simulation support for estimating the internal state of the pouch lithium-ion battery and studying the impact of external abuse on the battery.
Owner:TIANJIN UNIV

Data-driven resin-based composite material curing reaction rate prediction method

The invention discloses a data-driven resin-based composite material curing reaction rate prediction method, and relates to the technical field of data processing and composite material curing, and the method comprises the steps: building a DNN model based on the non-isothermal curing test data of an existing resin-based composite material C1, and taking the model as a pre-training curing reaction model; carrying out a non-isothermal curing test of the new resin-based composite material C2 to obtain new sample data; dividing new sample data based on downsampling and stratified sampling to obtain a training set and a test set; and performing fine tuning training on the pre-trained curing reaction model by using the training set, testing, evaluating and optimizing the fine-tuned curing reaction model by using the test set, and predicting the curing reaction rate of the new resin-based composite material C2 by using the optimized curing reaction model. The method has good generalization ability and can adapt to different resin systems and test conditions.
Owner:HEFEI GENERAL MACHINERY RES INST +2

Gasification furnace control method, computing device, storage medium and computer program product

The embodiment of the invention provides a control method of a gasification furnace, which comprises the following steps of: firstly, acquiring the current measurement data of the gasification furnace, and solving a data reconciling and optimizing model by using the current measurement data to obtain the input information of the gasification furnace consisting of key elements of coal as fired so as to solve the problem that the elements of the coal as fired are uncertain; then based on input information of the gasification furnace and according to a reaction model of the gasification furnace, field distribution information and coal ash deposition rate distribution information of the gasification furnace are obtained, and temperature distribution of the gasification furnace is calculated according to the information; the obtained temperature distribution of the gasification furnace can well reflect the slag state and temperature information at different positions in the furnace, and the slag blockage or burnthrough risk can be effectively evaluated; and finally, solving a real-time optimization problem based on the target information to obtain an optimized operation variable, so that the aim of guiding and optimizing the subsequent production process of the gasification furnace is fulfilled on the basis of ensuring the production safety, thereby improving the production efficiency of the gasification furnace.
Owner:BEIJING SHUANGHE SCI & TECH CO LTD

Evaluation and calculation method for compatibility between environment-friendly insulating gas and metal electrode discharge

The invention discloses an environment-friendly insulating gas and metal electrode discharge compatibility evaluation and calculation method. The method comprises the following steps: forming a gas-metal molecule reaction model; simulating a discharge condition in the electrical equipment in the gas-metal molecule reaction model; performing geometric structure optimization on the gas-metal molecule reaction model to which the discharge condition is applied to obtain a stable adsorption configuration, and calculating the total energy and related electronic structure properties of the stable adsorption configuration; calculating compatibility key parameters based on the calculated total energy of the stable adsorption configuration and related electronic structure properties; and evaluating the compatibility of the environment-friendly insulating gas and the surface of the metal electrode based on the calculated compatibility key parameters. By simulating the strong electric field and the surface charge effect under the discharge condition, the external electric field and the surface charge effect are systematically introduced into DFT calculation, the key working condition of electrical discharge can be simulated more truly, and the accuracy and the reliability of an evaluation result are improved.
Owner:ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD +1

Perforating patch clamp operation method based on particle diffusion control

The invention discloses a perforated patch clamp operation method based on particle diffusion control, which belongs to the field of micromanipulation and comprises the following steps: S1, establishing an initial geometric environment statistical model of perforated particles; s2, establishing a perforated particle diffusion model, and obtaining the number of perforated material particles diffused to a cell membrane at any time; s3, establishing a perforation reaction rate model to obtain the number of perforations in the cell membrane at any time; s4, designing a model prediction controller, and realizing perforation membrane rupture based on particle diffusion control by controlling the diffusion velocity of the perforation material; and S5, adjusting the particle diffusion speed according to a modeling result and a transmembrane current peak value in combination with an automatic operation process of the perforation patch clamp, so as to obtain an ideal perforation progress. By establishing the diffusion and reaction model of the perforation solution, the change relation of the perforation number corresponding to the perforation solutions with different concentrations along with the time is obtained, and the perforation process is controlled on the basis of the change relation.
Owner:NANKAI UNIV +1

Atmospheric pressure inductively coupled plasma characteristic diagnosis method and generation device

The invention discloses an atmospheric pressure inductively coupled plasma characteristic diagnosis method and a generation device, and belongs to the technical field of plasmas. The method comprises the following steps: firstly, obtaining structural parameters of a generator, establishing grids of a geometric model and a numerical model of the geometric model, then establishing a multi-physical field reaction model, setting solver parameters, executing calculation, and finally processing a model result, and performing multi-angle diagnosis and detection on internal characteristics of the plasma. Different modeling strategies can be provided according to different actual requirements, target precision and required cost of users, diagnosis precision and model operation time can be flexibly balanced, various requirements such as early-stage rapid preliminary optimization and later-stage fine adjustment and improvement are met, the dynamic diagnosis model has the advantages of being convenient to set, wide in application field range and the like, and the method is suitable for large-scale popularization and application. And flexible adjustment can be carried out according to various requirements of users.
Owner:SHANDONG YINGAI INTELLIGENT TECHNOLOGY CO LTD