99results about How to "High simulation" patented technology

The invention relates to the technical field of organoid culture, in particular to a pulmonary fibrosis organoid model and a construction method and application thereof. The pulmonary fibrosis organ-like model is obtained by co-culturing lentivirus stably transfected alveolar epithelial cells, human embryonic lung fibroblasts MRC-5 and macrophages. According to the invention, macrophages are innovatively introduced, a ternary co-culture system of lentivirus stably transfected alveolar epithelial cells, human embryonic lung fibroblasts MRC-5 and macrophages is constructed, and a key'epithelial injury-immune infiltration-fibroblast activation 'pathological triangle in a pulmonary fibrosis pathogenesis process can be more comprehensively simulated; the finally obtained pulmonary fibrosis organ-like model provides an efficient tool for pulmonary fibrosis mechanism research and research, development and screening of anti-pulmonary fibrosis drugs.

This invention provides an adaptive margin optimization method, system, and electronic device based on speaker verification. The method includes: inputting speech training data including various speech durations into a speaker verification model; determining the loss function of the speaker verification model; adaptively optimizing the margin parameters of the loss function based on the speech durations in the speech training data and a preset target margin for each speech duration; and training the speaker verification model using the margin parameters of the adaptively optimized loss function to determine the acceptable training difficulty of the speaker verification model. This invention utilizes training speech of varying lengths to better simulate real-life scenarios. Through adaptive optimization and fine-tuning of the margin, adjusting the margin according to the duration and similarity of each speech, this method achieves good speaker verification performance for speech of different durations in real-world scenarios.

The application provides a VR detection lens, which comprises, in sequence from an object side to an imaging surface along an optical axis, an aperture, a first lens group with positive refractive power, a second lens group with negative refractive power, and a third lens group with positive refractive power; the lens satisfies the following conditions: 0.8<=|f20 / f|<=1.5, 33<=|f30 / f|<=40, and 4.0<=|f40 / f|<=5.0, wherein f is the focal length of the detection lens, f20 is the focal length of the first lens group, f30 is the focal length of the second lens group, and f40 is the focal length of the third lens group. The application has higher resolution and a larger field of view, can well simulate human eye observation, and realizes batch rapid detection of VR products.

This invention relates to the fields of biomedical technology and biological model construction technology, and discloses an ANCA-associated vasculitis glomerular endothelial cell injury model, its construction method and application, and the application of BACH1 inhibitors. The method includes: (1) activating neutrophils sequentially with tumor necrosis factor α and immunoglobulin G to obtain a culture medium containing activated neutrophils; wherein the immunoglobulin G is immunoglobulin G isolated and purified from the plasma of patients with ANCA-associated vasculitis; (2) co-culturing the culture medium containing activated neutrophils with human glomerular endothelial cells to obtain the cell injury model. The cell injury model provided by this invention can verify the role of neutrophil adhesion characteristics in endothelial cell injury, and at the same time, the cell injury model can better simulate the immune microenvironment of ANCA-associated vasculitis glomerular endothelial cells in vivo.

The application discloses a kind of hardness correlation liver cancer lung premetastatic niche mouse model construction method, it includes the following steps: (1) in vitro enrichment respectively on the low hardness substrate of hardness 6kPa and the high hardness substrate of hardness 16kPa, the condition culture supernatant of mouse liver cancer cell Hepa1-6 that is cultured and grows, respectively named mL-CM and mH-CM;(2) mL-CM and mH-CM are respectively injected into two groups of mice using tail vein injection mode, every 1 day injection 1 time, until the 26th day, during continuous monitoring the recruitment of BMDCs in fresh lung tissue, while with the induction endpoint, i.e. 26th day premetastatic niche mark feature detection includes lung tissue matrix remodeling, immunosuppression, angiogenesis, vascular permeability and inflammation etc..The method has the advantages of short modeling cycle, easy operation, controllable induction condition, can comprehensively and accurately evaluate the common characteristics of liver cancer lung premetastatic niche formation etc..

The utility model discloses an electrolytic bath bipolar plate micropore flow channel performance detection device. A bipolar plate assembly is arranged on a bottom plate; the cover plate is arranged at the top of the bipolar plate assembly and is made of a transparent material; the isolation plate is arranged between the two adjacent bipolar plates, airflow simulation units are arranged on the sides, facing the bipolar plates located below the isolation plate and the cover plate, of the isolation plate and the cover plate, and airflow can be provided for the anode sides of the corresponding bipolar plates through the airflow simulation units; the jet flow form detection unit and the jet flow height detection unit are respectively used for detecting the jet flow form and the jet flow height of the jet flow formed on the bipolar plate below the cover plate; and the jet flow pressure detection unit is used for detecting the impact acting force of the jet flow formed on the bipolar plate below the jet flow pressure detection unit. By simulating the real working condition of the bipolar plate, the performance of the microporous flow channel under different design parameters can be fed back more truly, and a reliable guarantee is provided for optimization of the design parameters of the microporous flow channel.

This invention relates to the field of drilling fluid testing equipment technology, specifically to an evaluation device and method for simulating the dynamic pollution of drilling fluids by CO2. The evaluation device includes a sealed pressure vessel, an injection assembly, a circulation system, a control module, a CO2 injection volume detection module, a first monitoring module, a second monitoring module, and an information processing and analysis system. The information processing and analysis system can establish a first evaluation model based on drilling fluid performance parameters before and after pollution, establish a second evaluation model related to CO2 consumption based on drilling fluid pollution index parameters, and establish an overall pollution degree evaluation model related to CO2 injection pressure, pollution time, and pollution temperature based on the first and second evaluation models. The evaluation device of this invention can achieve a comprehensive and dynamic assessment of the CO2 pollution process of drilling fluids and can simulate the complex effects of CO2 on drilling fluids under real-world pollution conditions.

The application relates to a large eddy simulation-based atmospheric flow field reconstruction method, which comprises the following steps: acquiring turbulent flow data of a target region and performing normalization processing; inputting the normalized turbulent flow data into a resolution promotion module to extract high-resolution time characteristics and predict time characteristics at the next moment, and acquiring reconstructed high-resolution data, wherein the resolution promotion module is obtained through training of turbulent flow data and corresponding resolution-promoted turbulent flow data; performing numerical simulation on the reconstructed high-resolution data by using a large eddy simulation model to construct a multi-layer resolution grid structure; and if the resolution accuracy of a local region in the multi-layer resolution grid structure is lower than a preset threshold, adjusting the grid density through an adaptive grid refinement technique to acquire a three-dimensional atmospheric flow field reconstruction result. The application improves the accuracy and time continuity of flow field simulation under complex terrain.

The utility model discloses a kind of dynamic simulation eyes, including eye body and controller, the eye body includes shell and the silk screen sheet and several groups of lamp beads arranged in shell, the silk screen sheet surface is printed with eyeball pattern, several regular arrangement's partition groove are equipped in the shell, each group of lamp beads is respectively installed in corresponding partition groove and all shines to silk screen sheet, the controller is connected with each group of lamp beads communication, and the action of simulation eye is simulated by controlling the working condition of each group of lamp beads.The utility model is printed with the silk screen sheet of eyeball pattern, so that user can intuitively, clearly see the form of eye, compared with the effect formed by light is more realistic;By setting each group of lamp beads in partition groove, the light of each group of lamp beads can only shine to silk screen sheet from specific area, to reduce the degree of mutual interference of each group of lamp beads light, so that eye action can be better simulated when light changes, so that eye dynamic simulation effect is more realistic.

The present application discloses a kind of clamps of turbine rotor simulating its working condition, including top pin in turbine disk mortise vent hole, force component connected with top pin, and support component for installing force component;Middle part of force component is movably connected with support component.The present application also discloses a kind of method of turbine rotor simulating its working condition, comprising the following steps: S1.determine simulation aeroengine working principle, i.e. blade is lifted, and makes blade tenon and disk mortise top tightly without gap;S2.top pin is installed in turbine disk mortise vent hole;S3.utilize screw drive principle, by tightening nut, the rotary motion of nut is converted into the linear motion of pressing hook, and then force is applied to top pin, and the gap between turbine blade tenon and disk mortise is eliminated, and the working condition of turbine rotor is simulated.The present application is simple in operation, easy to realize, can better simulate aeroengine working condition, and can better control the gap between turbine rotor and casing.

The utility model discloses a multifunctional hatching frame for crocodile breeding, and relates to the technical field of crocodile breeding equipment. The multifunctional hatching frame for crocodile breeding comprises a crocodile hatching box, and a hatching frame is fixedly connected to the interior of the crocodile hatching box; the hatching basket adjusting assembly comprises a fixing frame, the rear end of the fixing frame is fixedly connected with a connecting shaft, the surface of the connecting shaft is fixedly connected with a gear, and the surface of the fixing frame is slidably connected with a hatching basket; two sliding grooves are formed in the surface of the fixing frame, two hatching basket connecting blocks are fixedly connected to the lower end of the hatching basket, and through the arrangement of the sliding grooves and the hatching basket connecting blocks, the hatching basket and the fixing frame can be conveniently fixed, the hatching basket and the fixing frame can be conveniently separated, alligator eggs can be conveniently placed in the hatching basket, the operation process is simplified, and the working efficiency is improved. The rack is meshed with the gear, so that the fixed frame and the hatching basket can be conveniently driven to do reciprocating small-amplitude rotation, the natural egg turning action can be conveniently simulated, and each alligator egg can be uniformly heated.

This invention discloses a low-scattering carrier for testing the forward traveling wave (RCS) of absorbing materials, belonging to the field of low-scattering carrier shape design. It includes a carrier body composed of an upper surface, a lower surface, and two side surfaces. The upper and lower surfaces are seamlessly connected in the shapes of a triangle, a special trapezoid, and a rectangle, respectively. The two sides of the special trapezoid are convex arcs, and the two side edges of the triangle are connected to the corresponding side edges of the rectangle via corresponding convex arcs, forming a concave second-order curved surface. The vertices formed by the two side edges of the triangle on the upper and lower surfaces together serve as the forward tip of the carrier body, and the rectangular base edges of the upper and lower surfaces seamlessly overlap. The absorbing material to be tested is placed on the rectangular surfaces of the upper and lower surfaces. This invention can improve the accuracy of evaluating the RCS reduction performance of absorbing materials at different pitch angles.

The application relates to the technical field of oil and gas engineering numerical simulation, in particular to a fast oil and gas reservoir numerical simulation method and device based on a neural network. The method comprises the following steps: acquiring coarse grid reservoir numerical simulation results of a research area; performing upsampling on the coarse grid simulation results by using an interpolation algorithm to obtain fine grid reservoir numerical simulation results after interpolation; establishing a recurrent neural network model based on deep learning and a reservoir simulation solver; inputting the fine grid reservoir numerical simulation results into the recurrent neural network model, training and predicting the model at each time step in combination with an optimization algorithm, adopting a discretization format of a physical law as a total loss function of the network to update network weights; adopting an error function to evaluate the accuracy of the trained recurrent neural network model, and outputting a final prediction result. The application can accelerate the simulation of underground flow of a high-heterogeneity reservoir model with source and sink terms, improve the simulation result precision, and effectively improve the work efficiency.

The invention relates to the technical field of microfluidics, and particularly discloses a cell communication micro-fluidic chip with a cell capturing structure and application of the cell communication micro-fluidic chip. The chip comprises main channels, and the two main channels are arranged in parallel at an interval; the cell interception structures are arranged in the main channels, grooves capable of accommodating at least one cell to be cultured are formed in the incident flow surfaces in the main channels, and at least one opening only allowing a culture solution to flow out is formed in each groove, so that the cells can stably stay and are uniformly distributed, and meanwhile, fluid is allowed to pass through; the culture solution interaction structure is arranged between the two main channels and used for interaction of culture solutions in the two main channels, transverse exchange of the culture solutions and cell secretions is achieved, cell migration is prevented at the same time, and therefore the non-contact cell communication model is constructed. The cell communication micro-fluidic chip can efficiently simulate the cell paracrine communication process, and is suitable for various cell communication research scenes such as inflammatory response, immune regulation, tumor microenvironment, stem cell secretion factor effect and the like.

This invention relates to the field of photovoltaic power generation technology, and discloses a method, device, storage medium, and program product for identifying photovoltaic panel problems. This invention comprehensively considers multiple factors such as ambient temperature, irradiance, time, and image color information, and combines functions such as time correction function, irradiance function, ambient temperature influence function, and irradiance correction function to calculate the temperature variation coefficient value, which can accurately characterize the surface temperature uniformity of photovoltaic panels. Furthermore, the temperature variation coefficient value can effectively identify potential / manifest defects, overcoming the limitations of traditional methods in dealing with complex and variable operating conditions. It can more accurately identify the non-uniformity of temperature distribution on the surface of photovoltaic panels, thereby determining whether there are potential problems such as hot spots and microcracks, providing a more scientific and accurate decision-making basis for the operation and maintenance of photovoltaic power plants, and improving the reliability and power generation efficiency of photovoltaic power plants.

The invention relates to the field of complex environment simulation and electrical control, in particular to a multi-component gas complex environment simulation device which comprises a master console, a tunable semiconductor laser coupler and a tunable semiconductor laser. A collimating lens, a photoelectric detector, an air inlet control end and an air outlet control end are arranged on the master console, a heating module is further arranged in the master console, and a terminal controller is further arranged outside the master console; the terminal controller is respectively connected with the air inlet control end, the air outlet control end, the heating module, the photoelectric detector and the tunable semiconductor laser, the tunable semiconductor laser is connected with the tunable semiconductor laser coupler, and the tunable semiconductor laser coupler is aligned with the collimating lens. The device is simple in structure and easy to operate, a multi-parameter controllable small complex environment meeting different scene requirements is constructed in limited environments such as a laboratory environment, and a tested experimental object with certain confidence is provided for the multi-component gas complex environment.

The application discloses a WUPyV infection model and a construction method and application thereof, and the construction method comprises the following steps: (1) culturing proximal differentiated lung organoids; (2) removing collagen from the lung organoids to prepare lung organoid ball suspension, mixing the lung organoid ball suspension with a WUPyV sample, and co-incubating and infecting; and (3) re-embedding the lung organoids in basement glue after infection, and continuing to culture in a basic culture medium to obtain the WUPyV infection model. The WUPyV infection model is constructed by using three-dimensional human lung organoids, WUPyV can be separated and cultured, the infection process of WUPyV in human lung organs can be better simulated and characterized, and a new infection model is provided for WUPyV infection pathogenesis and body innate immune response mechanism and interaction between viruses and host cells.

The utility model provides a track vibration isolation mat simulation detection device, including a plurality of elastic support components, lower basic simulation board, track board simulation board, vibration loading mechanism and vibration acceleration sensor, the vibration isolation mat sample of waiting for detecting is arranged between lower basic simulation board and track board simulation board, therefore can simulate actual vibration isolation mat floating plate track structure well, and the vibration isolation mat performance that detects obtains is very close to its performance in actual track, has very good reference value. Besides, through setting a plurality of elastic support components below lower basic simulation board, and setting vibration acceleration sensor on it, can take the vibration energy that vibration loading mechanism loads as input energy, take the elastic potential energy of elastic support component that vibration acceleration sensor detects as output energy, and evaluates the performance of vibration isolation mat based on input energy and output energy, compares with the traditional track lower basic vibration level difference method more intuitive and simple.

The application discloses a rock-like test piece with pre-embedded seepage channels and / or water gushing cavities and a preparation method thereof, and aims to solve the technical problem that the existing simulation test piece cannot truly simulate and clearly and visually observe the influence of water seepage in seepage channels and / or water gushing in water-rich cavities on surrounding rock and lining structure inside rock mass. The application uses high brittleness and transparency resin casting to simulate engineering rock mass, and embeds a tunnel and a model with pre-embedded seepage channels and water gushing cavities in the engineering rock mass based on an engineering site. The obtained rock-like test piece has the characteristics of transparency, easy observation, realization of various working condition combinations, high brittleness of rock, etc., can clearly observe the evolution law of seepage and water gushing under the action of load, and can be used for the research on the seepage mechanism of original seepage channels and the water gushing mechanism of water-rich cavities.

The utility model discloses an electronic candle, include: casing is equipped with liquid medium cavity, and liquid medium cavity is filled with liquid medium in, flexible flame simulation spare, install in liquid medium cavity, drive component, install in casing, and drive part is connected with flame simulation spare directly or indirectly. Since the flexible flame simulation spare is installed in the liquid medium cavity, the flexible flame simulation spare will be flexible and twisted in the liquid medium cavity after the drive component drives the flame simulation spare to move, and the flexible and twisted flame simulation spare in the liquid medium has higher randomness, which can effectively improve the simulation of the movement of the flame simulation spare. The liquid medium will also move after being shaken and swung by the flame simulation spare, and the dynamic liquid medium can produce a light spot, further improving the simulation of the flame simulation spare. Combined with the principles of fluid mechanics and optics, the utility model simulates the jumping form and light and shadow effect of the real flame, and brings the user an immersive visual enjoyment.

The invention provides a method for evaluating the repair activity of a test substance, which comprises the following steps: constructing a 3D epidermis injury model, treating the injured epidermis by using the test substance, detecting the secretion amounts of IL-8 and MCP-1 in the epidermis before and after treatment, and evaluating the repair activity of the test substance based on the secretion amounts of IL-8 and MCP-1, the evaluation result obtained by the method is consistent with the evaluation result of efficacy verification performed by using a human body in trend, the blank of in-vitro evaluation of the injury repair efficacy is filled, a feasible scheme is provided for animal replacement experiments, and a reference basis is provided for further research of skin care product development and efficacy verification.

This invention relates to the field of medical high-fidelity training model technology, and discloses a multi-vascular network biomimetic hemostasis model and method for junctional wounds. The model includes a biomimetic model, a blood bank system, a control system, and a temperature control unit. A biomimetic multi-vascular network is embedded in the junction area of ​​the biomimetic model, and a biomimetic wound opening is provided at the corresponding position of the biomimetic multi-vascular network. The input end of the biomimetic multi-vascular network is connected to the output end of the blood bank system, and the output end of the biomimetic multi-vascular network is located inside the biomimetic wound opening. The temperature control unit is located at the input end of the biomimetic multi-vascular network. A pressure sensor is provided in the biomimetic wound cavity wall of the biomimetic wound opening, and hemostatic material is filled inside the biomimetic wound opening, with the hemostatic material in contact with the pressure sensor. The control terminal of the control system is electrically connected to the blood bank system, the temperature control unit, and the pressure sensor. This invention can realistically simulate the bleeding process of penetrating and blind-tube injuries in the junctional wound of the simulation model, facilitating simulation training.

The gas turbine disc blade fatigue reliability analysis method of the application fuses combination of numbers and objects and active learning, comprising: S1: obtaining a probability distribution model of main characteristic parameters of a gas turbine; S2: establishing a geometric simulation model of a gas turbine disc blade, dividing a key failure area of the gas turbine disc blade, and establishing a gas turbine disc blade life prediction model of a number-object fusion multi-failure mode; S3: determining random variables according to the probability distribution model of the main characteristic parameters, calculating a function function by using the gas turbine disc blade life prediction model of the number-object fusion multi-failure mode and constructing a training sample set, gradually increasing the training sample set in the process of constructing a proxy model based on unsupervised learning and active learning ideas, and establishing a SOM-AL-Kriging proxy model for gas turbine disc blade reliability analysis; and S4: performing fatigue reliability analysis on the gas turbine disc blade. The application improves the efficiency and precision of the gas turbine disc blade fatigue reliability analysis.

The invention relates to an intelligent system for aortic balloon occlusion training, which comprises a human-shaped shell, an artery simulation structure and a blood simulation mechanism, the artery simulation structure is arranged in the human-shaped shell and comprises an artery channel used for simulating human artery blood vessels, and the tube wall of the artery channel is provided with a detachable puncture part; the puncture part is made of an elastic recoverable material, the puncture part is used for a puncture needle to penetrate through, and the puncture part can be tightly attached to the puncture needle when the puncture needle is inserted; the human-shaped shell is provided with a puncture needle entering area corresponding to the puncture part, the puncture needle entering area is provided with a simulated skin layer made of an elastic recoverable material, and a puncture needle penetrating through the puncture needle entering area can be inserted into the corresponding puncture part; the blood simulation mechanism is connected with the end, close to the neck, of the artery channel and used for providing blood simulation liquid for the artery channel.

The utility model provides a comprehensive reliability tester for an electronic cigarette microphone, which comprises a test platform, the side surface of the test platform is connected with a test switching assembly and a counting display screen, and the upper surface of the test platform is provided with a withstand voltage test assembly, a negative pressure test component, a circulation control circuit and a self-starting detector. The upper surface of the test platform is connected with a clamping tool assembly, and the self-starting detector is electrically connected with a self-starting counter. According to the electronic cigarette microphone testing device, tests in multiple aspects such as pressure resistance, negative pressure service life, repeated power-on self-starting and standing self-starting counting of the electronic cigarette microphone are achieved, the comprehensive reliability of the Apple electronic cigarette microphone is comprehensively achieved, the defect that an existing testing device is single in function is overcome, the testing flexibility and accuracy are improved, and the testing efficiency is improved. And various working conditions of the electronic cigarette microphone in actual use can be better simulated. Objective and accurate data are provided for reliability evaluation of the electronic cigarette microphone, and the quality and the stability of an electronic cigarette product can be improved.

The application discloses a multiphase flow interaction simulation method based on MPM and a phase field model, and comprises the following steps: step S1, storing mass parameters, phase field parameters and momentum parameters of Lagrange particles in an Euler grid; step S2, updating the phase field of the Euler grid according to the chemical potential to control the energy of the whole system; step S3, updating the momentum of the Euler grid according to gravity, elastic force and the surface tension of the updated equivalent phase field form; step S4, after the grid momentum is updated, processing the boundary on the Euler grid by using a slip boundary condition; step S5, after the phase field and the momentum are updated, converting the momentum parameters and the phase field parameters from the Euler grid variables to Lagrange variables; and step S6, updating the state of the Lagrange particles: updating the position and mass state of the Lagrange particles according to the information returned to the Lagrange particles.

This invention discloses a modeling method for grid-type multi-converter based on sub-microsecond simulation, belonging to the field of converter modeling and simulation technology. The method involves discretizing the switching elements to construct a generalized constant admittance switching model based on the LC equivalent circuit. Then, by discretizing the system state matrix, an extended modeling from a single converter to a multi-converter system is achieved. Furthermore, by combining the inertia characteristics of a virtual synchronous generator, a complete grid-type multi-converter model including control elements is established. Finally, a simulation model of the grid-type multi-converter system is built in PSCAD / EMTDC, verifying the correctness and effectiveness of the method. This invention demonstrates good applicability and stability in integrating the generalized constant admittance switching model with the inertia characteristics of a virtual synchronous generator at a sub-microsecond simulation step size. It significantly improves the simulation accuracy and efficiency while achieving rapid convergence of transient processes in the grid-type multi-converter and active support for grid voltage and frequency.

The toothbrush head comprises a toothbrush head body and bristles, the toothbrush head body is provided with a cleaning face, the bristles are arranged on the cleaning face, the cleaning face comprises at least two oppositely movable bristle bearing portions, the bristles are connected to the bristle bearing portions respectively, and the toothbrush head further comprises a driving mechanism. The driving mechanism is in transmission connection with each bristle bearing part and is used for driving the bristles to reciprocate, and the projections of the reciprocating directions of the bristles of the at least two bristle bearing parts on the cleaning surface are not parallel. According to the toothbrush head, the bristles move back and forth in different directions, so that the single-side surface of an object to be cleaned can be cleaned intensively, and a plurality of angled surfaces of the object to be cleaned can be further cleaned. Meanwhile, the bristles move in a reciprocating mode in different directions, so that the distance between the free ends of the bristles can be changed, the bristles are attached to objects to be cleaned of different appearance sizes, and the cleaning capacity for complex surfaces is improved.

The utility model belongs to the technical field of jigs, and particularly relates to an experiment jig for simulating a mobile phone roller, which comprises an upper jig die, a lower jig die, a first protective pad and a second protective pad, the bottom of the upper jig die is slidably connected with the first protective pad, the lower jig die is arranged above the upper jig die, a lower die cavity is arranged at the top of the lower jig die, and the first protective pad is slidably connected with the lower die cavity. A second protective pad is arranged on the inner side of the lower die cavity; the positioning assembly is used for limiting the jig upper die and the jig lower die; and the connecting assembly is used for connecting the jig upper die and the jig lower die. According to the utility model, the jig upper die and the jig lower die can be limited and connected through the positioning assembly and the connecting assembly so as to simulate a whole mobile phone, and compared with the prior art, the simulation experiment verification of a backlight assembly can be conveniently carried out before a sample is sent to a client for verification for a backlight manufacturer, so that the condition that the backlight manufacturer is in a passive position is reduced.

The application discloses a kind of measurement system and method of indoor and outdoor fire behavior characteristic parameters under the influence of suspended window, and the system mainly includes three parts: one is the structure of combustion chamber, including single combustion chamber, indoor thermocouple, indoor heat flow meter, indoor fire source;Second is window structure, divided into three typical window design structures, namely upper suspended window, middle suspended window and lower suspended window;Three are facade structure.The application can measure the space-time evolution law of indoor fire combustion behavior and plume flow from chamber to outside under the coupling effect of different window opening structures (form / window opening angle) and indoor different fire load, fire source position by walking motor drive to change window opening angle, simulate the opening gas flow characteristics under different window opening form, window opening angle, indoor fire combustion intensity and the spread of fire plume on facade, so as to provide support for building fire dynamics research and window fire prevention design.