1696 results about "Experimental Devices" patented technology

The invention relates to the technical field of phase change heat storage, in particular to a test method of a composite nanoparticle latent heat system based on a Fibonacci fractal tree-shaped fin. The test method comprises the following steps: firstly, establishing a physical model of a nanoparticle three-sleeve vertical latent heat system based on the Fibonacci fractal tree-shaped fin; secondly, performing two-dimensional simulation analysis on the physical model by adopting a two-dimensional model, simulating the melting and solidification process of the PCM, analyzing the heat transfer performance and energy storage efficiency of the system, building an experimental device of a nano-particle three-sleeve vertical latent heat system based on the Fibonacci fractal tree-shaped fins, selecting proper PCM and nano-particles, simulating different working conditions, and establishing a three-sleeve vertical latent heat system based on the nano-particle three-sleeve vertical latent heat system based on the Fibonacci fractal tree-shaped fins. And finally, comparing a simulation result with an experimental result, adjusting parameters of a simulation model, improving the accuracy of the simulation result, analyzing the influence of different fin bifurcation angles, nanoparticle types, wall surface temperatures and fin materials on the heat transfer performance and energy storage efficiency of the system, and providing guidance for optimal design of the system.

An ultra-deep carbonate rock dissolution simulation experiment device and method. The experiment device comprises: at least two reaction kettles (1) arranged in series connection, the reaction kettles (1) each comprising a confining pressure mechanism (10) and an axial pressure mechanism (20), wherein the confining pressure mechanism (10) is provided with a rock core cavity for accommodating a rock core (2) and can apply confining pressure to the rock core (2), the axial pressure mechanism (20) is used for applying axial pressure to the rock core (2) in the rock core cavity, and the axial pressure mechanism (20) is provided with a reaction solution interface communicating with the rock core cavity; a solution pressure vessel system (40), capable of providing a reaction solution and injecting the reaction solution into the rock core cavities by means of the reaction solution interfaces; at least two back pressure control devices (30), outlet ends of the rock core cavities of the reaction kettles (1) being connected to the back pressure control devices (30); and a detection system (50). The rock core cavities of the reaction kettles (1) are in series connection, and the reaction solution provided by the solution pressure vessel system (40) can sequentially flow through the rock core cavities in series connection, and the detection system (50) is used for separately performing detection on each rock core cavity, thereby solving the technical problem of the difficulty in conducting simulation experiments with respect to the dissolution of strongly altered carbonate rocks in ten-thousand-meter ultra-deep conditions.

The invention provides a heat-water-force coupling experimental device and a testing method based on dynamic true triaxial electromagnetic Hopkinson bar system loading. The experimental device comprises an X-axis dynamic loading system, a Y-axis lateral anti-seepage loading system, a Z-axis normal static pressure servo control loading system, a seepage system, a temperature control system and a data monitoring and collecting system. According to the device, on the basis of a dynamic true triaxial electromagnetic Hopkinson bar system, a shear loading module, a temperature regulation and control module and a seepage control module are creatively integrated, so that the true working condition of a deep rock mass under the coupling action of dynamic disturbance, osmotic pressure and temperature is simulated. The device breaks through the limitation that a traditional experiment system is difficult to realize multi-field coupling loading under a high-speed shearing condition, and provides an experiment means for dynamic response research of fractured rock mass under a complex multi-field environment.

The embodiment of the invention provides a slope instability mechanism simulation experiment device under the earthquake and rainfall coupling effect, and relates to the technical field of earthquake simulation equipment. The slope instability mechanism simulation experiment device under the earthquake and rainfall coupling effect comprises a model storage mechanism, a driving transmission mechanism and an adjusting mechanism, the driving transmission mechanism is located at the lower end of the model storage mechanism and enables a model in the model storage mechanism to vibrate, and the adjusting mechanism is located at the lower end of the model storage mechanism and enables the model in the model storage mechanism to vibrate. The adjusting mechanism is located at the lower end of the model storage mechanism and located in the middle of the transmission mechanism, and the transmission mechanism moves upwards and drives the adjusting mechanism to rotate. According to the device, the matching position and state of the cam and the vibration convex plate can be accurately changed, so that the vibration amplitudes of the slope toe, the slope top and the two sides of the slope body of an experimental model are accurately adjusted, the requirements for slope vibration amplitude simulation under different experimental conditions are met, and the influence of the vibration amplitudes on a slope instability mechanism can be deeply researched.

The invention discloses a multifunctional experimental device capable of realizing a wind wave coupling effect, which comprises a deep water experimental area, a transition experimental area and a shallow water experimental area, and is characterized in that a lifting floating bottom mounted at the bottom of a water tank can simulate the elevation change from a deep sea to a shallow sea seabed; a wind generating system is assembled above the water tank and is matched with the flow guide arrays on the two sides to provide a high-quality wind field for the experimental water tank; the L-shaped wave maker can make multi-directional irregular waves, the wave flow experiment water tank and the wind making system are used for constructing a target joint field required by an experiment, and the whole process that the waves are gradually propagated from deep sea to shallow sea under the wind wave coupling effect can be achieved. The device has multiple functions of wind generation, wave generation, current generation and the like, has the function of simulating various load factors which mainly influence ocean engineering structures, and compared with an existing experimental device, the device can achieve the real wind and wave coupling effect, more truly and completely simulate the whole process of ocean wave propagation, and the experimental device has the advantages of being simple in structure and convenient to use. And a more accurate marine simulation environment is provided for experiments.

The invention discloses an experimental device and an experimental method for combustible gas explosion discharge of a communicating container, and belongs to the field of combustible gas explosion protection. The experimental device comprises a communicated discharge container, a gas distribution system, a high-voltage ignition system, a data acquisition system, a high-speed schlieren system and a synchronous control system. The experimental device and the experimental method can be used for experimental research on combustible gas explosion release of the communicating container; the influence rules of factors such as static action pressure (Pstat), discharge caliber (Dv), discharge coefficient (Kv), spherical explosion container volume ratio (V1 / V2), communication pipeline length (L), communication pipeline diameter (D), fuel gas equivalence ratio (phi), ignition position (IIn) and ignition energy (E) on flammable gas explosion discharge overpressure and discharge flame are analyzed; and the formation factors of internal and external discharge overpressure peak values (a peak value Pb formed by rupture of a discharge diaphragm, a peak value Pex formed by external secondary explosion, a peak value Ph formed by Helmholtz oscillation, a peak value Pac formed by sound wave coupling and a peak value Pred formed by a maximum flame area), a discharge gas cloud structure, a discharge flame form and an external pressure wave evolution rule are explored.

The present disclosure provides an experimental apparatus and method for simulating fracturing of a fan-shaped well pattern. The apparatus includes a stratum simulator and a wellbore simulator group. The stratum simulator includes a chamber into which materials are poured to simulate a stratum environment. The wellbore simulator group at least includes a first wellbore simulator and a second wellbore simulator. A first end of the first wellbore simulator and a first end of the second wellbore simulator are respectively located outside the chamber and provided with a control valve. A second end of the first wellbore simulator is extended into the chamber and provided with a first perforation simulator, a second end of the second wellbore simulator is extended into the chamber and passes through the corresponding first perforation simulator, and the second end of the second wellbore simulator is provided with a second perforation simulator.

The invention provides a mechanical in-situ test experimental device with a multi-working-condition simulation coupling effect, and belongs to the field of mechanical testing. The problems that an existing mechanical property testing device can only simulate single environment characteristics and cannot test various mechanical properties are solved. Wherein the linear sliding table is connected with the mobile platform through the mounting bracket, the upper end of the connecting rod is fixedly connected to the mobile platform, and the lower end is positioned in the box body; any one of one of the stretching and fatigue experiment clamp, the bearing platform and the bending pressing table can be mounted on a bottom plate of the box body, and any one of the other stretching and fatigue experiment clamp, the compression pressing head, the hardness measuring head, the bending pressing head and the impact testing head assembly can be mounted at the lower end of the connecting rod; the environment simulation assembly can simulate the temperature, humidity and salt mist environment of actual working conditions in the box body; the in-situ monitoring assembly can be used for monitoring the to-be-tested sample in the box body in real time. The device can simultaneously simulate a plurality of actual working conditions and coupling working conditions of actual loads, and can complete a plurality of mechanical property tests.

To study a system that transmutes atomic nuclei using muons, devise a light source device and a propulsion device including a nuclear transmutation system, and examine a centrifugal force application unit which may be accelerated by the propulsion device, and devise an electric field generator or a magnetic field generator.SOLUTION: A system is devised that decelerates cosmic muons produced from cosmic rays or high-speed muons derived from mesons produced from atomic collisions with electric field and deceleration means and uses the muons for nuclear transmutation. Also, a decelerator using a laser wake field and a decelerator using an element forming an electric field are proposed. A radiation light source having the nuclear transmutation unit is disclosed. An ionization device, a centrifugal gun device, a centrifugal force and pressure applying device, a pressure generation unit, a pressure applying material, a high-pressure induction superconductivity experimenting system, a magnetic device, and a magnetic sail are disclosed.SELECTED DRAWING: Figure 18

The invention discloses a concrete durability coupling experiment device suitable for marine environment conditions. The concrete durability coupling experiment device comprises a test box body assembly, a water return box body, an execution mechanism and a control system, the experiment box body assembly is of a split-mounted sealing structure, and liquid for simulating seawater and a concrete test piece to be subjected to a durability test are placed in the experiment box body assembly; the water return box body is connected with the interior of the test box body assembly through a pipeline, and simulation of the marine environment is achieved through an execution mechanism and a control system. Compared with the prior art, the whole experimental device is linked by adopting the control system and the execution mechanism, so that a closed-loop control system in which all parts work cooperatively is formed, and more accurate multi-element environment coupled marine environment simulation can be generated in the test box body; a reliable indoor coupling environment test means is provided for verifying ocean corrosion behaviors, structural stability, durability and the like of ocean engineering structures, coastal buildings, infrastructures and the like.

The invention provides a demonstration experiment device for an internal friction effect in gas fluid mechanics, and belongs to the technical field of teaching demonstration devices. The problem that a traditional teaching aid is single in function, dispersed in data and insufficient in visualization, so that the experiment effect is abstract is solved. Comprising a main body shell, the main body shell is hermetically connected with a vacuum cover, the vacuum cover is filled with fluorescent powder, and the vacuum cover is connected with an air extractor through an air valve; the middle of the main body shell is an area communicated with the interior of the vacuum cover, the periphery of the main body shell is a sealed shell, the middle of the main body shell is provided with an impeller rotating speed adjusting mechanism, the top of the sealed shell of the main body shell is provided with a display screen, and the sealed shell of the main body shell is internally provided with a high-speed brushless motor and a distance adjusting mechanism; by adjusting the air pressure, the rotating speed of the impeller and the distance, students can observe the conversion of gas flow from laminar flow to turbulent flow and the stagnation phenomenon of the impeller in a vacuum environment, and the linear relation between internal friction and gas density is verified.

The invention relates to an evolutionary simulation experiment device and method for tunnel composite lining diseases, the evolutionary simulation experiment device comprises a lining disease model box, a hydraulic loading system, a stress-strain testing system and a water pressure loading system, the lining disease model box is used for simulating the environment where a lining structure is located in actual engineering, the hydraulic loading system is provided with pressure by a jack, and the stress-strain testing system is used for testing the stress-strain testing system. The simulation module is used for simulating surrounding rock pressure borne by a lining structure; the water pressure loading system is used for simulating water pressure borne by the lining structure; the stress-strain testing system is used for monitoring the mechanical state in the lining structure. According to the method, the evolution mechanism of lining diseases is analyzed by simulating the disease evolution process of the composite lining structure under the actual engineering condition, the mechanical characteristics and deformation rules of the lining structure under different lining disease conditions are obtained, and the result is accurate and reliable; in addition, the device can also be used for testing the accuracy of a lining disease detection instrument, and parameters of the detection instrument are convenient to correct.

The invention discloses a fracturing simulation permeability experiment device, and relates to the technical field of fracturing simulation. The device comprises a base, the top of the base is fixedly connected with a test box, the top of the test box is provided with a test bin, the top of the test box is covered with a cover plate, one side of the test bin is symmetrically provided with a pair of separation openings, separation plates are inserted into the separation openings, and one end of the cover plate and one end of each separation plate are provided with insertion openings; a shaping rod, an air guide pipe and a tracing pipe are installed at one end of the base. The multiple partition plates penetrate through the partition openings to be inserted into the test bin, the soil filled in the test bin is divided into the upper layer, the middle layer and the lower layer, and the gas guide pipes are matched with the pressure pump to input pressurized gas into the soil of the upper layer, the middle layer and the lower layer, so that cracks are generated in the soil; then, a tracing pipe is matched with a tracing gas pump to input tracing gas into cracks in the soil, and a gas chromatograph is matched to track the distribution and flowing path of the tracing gas in the soil.

This invention provides a thermal-hydraulic-mechanical coupling experimental apparatus and testing method based on a dynamic true triaxial electromagnetic Hopkinson bar system. The experimental apparatus includes an X-axis dynamic loading system, a Y-axis lateral anti-seepage loading system, a Z-axis normal static pressure servo-controlled loading system, a seepage system, a temperature control system, and a data monitoring and acquisition system. Relying on a dynamic true triaxial electromagnetic Hopkinson bar system, the apparatus innovatively integrates shear loading, temperature regulation, and seepage control modules to simulate the real-world conditions of deep rock masses subjected to dynamic perturbations, osmotic pressure, and temperature coupling. This apparatus overcomes the limitations of traditional experimental systems in achieving multi-field coupled loading under high-speed shear conditions, providing an experimental approach for studying the dynamic response of fractured rock masses under complex multi-field environments.

The invention relates to the technical field of experimental devices for testing diffusion coefficients, in particular to an experimental device for testing the gas diffusion coefficient of a geomembrane and a testing method.The experimental device comprises a gas supply mechanism, a testing mechanism and a stretching mechanism, the testing mechanism comprises a reaction testing cylinder, and the reaction testing cylinder comprises an upper cavity and a lower cavity; one side of the lower cavity communicates with the air supply mechanism, a containing assembly is arranged between the upper cavity and the lower cavity, and the clamping assembly of the stretching mechanism is detachably connected to the middle of the containing assembly. The problem that the gas diffusion coefficient test of the geomembrane under the coupling action of aging and tensile stress cannot be simulated in the prior art is solved, and a reliable experimental device is provided for evaluating the long-term anti-seepage performance of the geomembrane under the actual working condition.

The invention relates to an experimental device and method for researching liquid drop dynamics and evaporation characteristics. The experimental device comprises a liquid drop generation system, a metal flat plate control system, a height adjusting system and a data acquisition system, the liquid drop generation system is used for generating liquid drops impacting the metal flat plate; the metal flat plate system is used for adjusting the inclination angle of a metal flat plate to heat the metal flat plate; the height adjusting system is used for adjusting the height from the liquid drop generating system to the metal flat plate, so that the liquid drops impact the metal flat plate at different speeds; the data acquisition system comprises a high-speed camera, an infrared camera, a particle image velocity measurement device, a light source and a computer, and is used for measuring the morphological change, velocity field and temperature field of liquid drops in the process of impacting the metal flat plate; the invention further provides an experimental method. According to the invention, the morphological evolution process of the liquid drops can be measured, and the dynamics and evaporation characteristics of the liquid drops when impacting metal plates with different inclination angles and surface types can be studied.

The invention provides a karst collapse simulation experiment device of a multi-factor action mechanism, and belongs to the field of karst collapse simulation experiments.The karst collapse simulation experiment device comprises a test box, a karst foundation, a karst cave, an underground water circulation unit, a pressure measuring unit, two position adjusting assemblies and two water spraying assemblies, and the karst foundation with the karst cave is filled in a simulation construction site in the test box; the underground water circulation unit pumps and drains water at the same time to simulate underground water circulation of a karst cave, then only pumps water but not drains water to simulate underground water pumping on a construction site, the two water spraying assemblies spray water into the test box to simulate natural rainfall, and the two position adjusting assemblies move in the test box to form pressure test spaces at all positions in the test box correspondingly. Then the two water spraying assemblies spray water to the pressure testing space until the sprayed water presses the karst foundation in the pressure testing space to collapse, and the pressure measuring unit measures the pressure value during collapse, so that the ultimate bearing capacity simulation experiment is carried out on the karst foundation in the pressure testing space.

The invention discloses a wellbore integrity casing damage simulation and repair experimental device, which comprises a heating temperature control box, the interior of the heating temperature control box is divided into an upper part and a lower part, the upper part forms a first cavity for accommodating liquid, and the lower part forms a second cavity for placing a casing damage simulation module or a cement column damage simulation module; the liquid injection and pressurization equipment is communicated with the first cavity and is used for injecting a plugging agent or formation water into the first cavity and pressurizing the plugging agent or the formation water so as to drive the plugging agent or the formation water to enter the casing damage simulation module or the cement column damage simulation module; and the ball valve is arranged at the bottom of the heating temperature control box, is communicated with the second cavity and is used for controlling opening and closing of an outlet of the casing damage simulation module or the cement column damage simulation module. According to the invention, the field environment of the oil and gas well can be simulated more accurately, and a repair experiment can be carried out on a damaged sleeve or a cement column, so that not only can experimental data support be provided for researchers, but also a more accurate repair scheme can be provided for field operators.

The invention discloses a simulation experiment device and method for casing drilling, and relates to an experiment device and method for simulating the smearing effect of casing drilling, and the device comprises a simulation assembly and a manifold assembly. The simulation assembly comprises an experiment kettle, a simulation piece and a casing pipe nipple, and an annular gap is defined between the simulation piece and the casing pipe nipple. The manifold assembly and the annular gap form a flow loop of drilling fluid. The manifold assembly comprises a liquid storage tank, a pump body and a material storage tank, and the pump body and the material storage tank are arranged between the liquid storage tank and the inlet end of the annular gap. Wherein the storage tank can enable the rock debris to enter the annular gap along with drilling fluid pumped by the pump body, and the simulation assembly can enable the casing pipe nipple to rotate at a preset rotating speed under a preset axial acting force under a preset experiment condition, so that the rock debris entering the annular gap forms a mud cake on the inner surface of the simulation piece. The experimental device can be used for analyzing influence factors of the smearing effect of casing drilling and guiding on-site construction of the casing drilling, so that the smearing effect of the casing drilling can play a more remarkable effect.

The invention relates to the technical field of reactors, and provides a reactor core outlet heat conduction process equivalent experiment device and method, the experiment device comprises a reactor pressure vessel and a cooling system, the reactor pressure vessel comprises a main body and a thermocouple measurement assembly, and the main body comprises a heat flow cavity, a cold flow cavity and a convection heat exchange cavity; a hot flow outlet is communicated between the hot flow cavity and the convection heat exchange cavity, and a cold flow outlet is communicated between the cold flow cavity and the convection heat exchange cavity; the thermocouple measuring assembly comprises a positioning part and a thermocouple, the positioning part is arranged in the convection heat exchange cavity and corresponds to the heat flow outlet, and the thermocouple can telescopically move in the positioning part in the axial direction so as to adjust the depth of the thermocouple inserted into the heat flow cavity through the heat flow outlet; and the cooling system is circularly connected with the hot flow cavity, the cold flow cavity and the convection heat exchange cavity respectively. According to the invention, the relation between the thermocouple insertion depth and the measurement temperature deviation under different boundary conditions can be researched, and more reliable technical support is provided for safe operation of the nuclear power station.

The invention provides a multifunctional experimental device and method for simulating a corrosion state in a submarine pipeline, and belongs to the field of pipeline corrosion internal detection. The experimental device comprises an experimental device body, a heating device and a circulating pump, a medium in the experimental device body can be externally heated through the circulating pump, and in other words, the circulating pump can continuously convey the medium heated by the heating device to the experimental device body. The test method comprises a corrosion coupon experiment, a corrosion probe experiment and a double-layer pipe annulus corrosion simulation experiment. When a corrosion coupon experiment and a corrosion probe experiment are carried out, a corrosion probe and a corrosion coupon are respectively inserted into the experiment device main body, and corrosion rate data are continuously monitored and detected for 7 days; when a double-layer pipe annulus corrosion simulation experiment is carried out, wireless wall thickness detectors are sequentially attached to the three clamping grooves, and the average corrosion rate of the wireless wall thickness detectors is based on thickness measurement data of the wireless wall thickness detectors. According to the invention, a plurality of corrosion rate simulation parallel experiments can be simultaneously carried out, the operation is simple, the safety is high, and the controllability is high.

An experimental device for measuring three-dimensional expansion deformation of rock and soil under the action of water and rock based on mechanical vision comprises a bottom platform, a reinforced transparent glass cover container, a camera assembly, a stand column, a limiting block, a cross beam, an electric lifting experimental platform and a computer. The electric lifting experiment platform comprises a lifting motor, an electric telescopic rod, an experiment disc cross beam, a vertical rod, a bearing disc, a tempered glass chassis, a fixing nut and an annular force sensor. According to the device, the electric lifting experiment platform is used for adjusting the position of a rock-soil sample, the camera assembly is used for shooting the states of the sample in different stages when the sample encounters water in real time, and the computer is used for analyzing the three-dimensional expansion deformation of the rock-soil sample. The device is simple in principle, parts are convenient to replace, and three-dimensional expansion deformation of the rock-soil sample after the rock-soil sample encounters water can be analyzed with high precision.

The utility model provides a protection device for an underwater animal experiment, and belongs to the field of underwater animal experiments. The brain cover part, the viscera cover part and the hip cover part are driven to be opened or closed through the opening and closing module, and the problem that in the prior art, an experimental device capable of protecting the brain and viscera of an experimental animal body from being damaged by vibration signals is lacked is solved. The device comprises a cover body module, a mounting base and an opening and closing module, the cover body module is fixedly mounted on the mounting base, and the opening and closing module controls the cover body module to be opened and closed; the cover body module comprises a brain cover part, an internal organ cover part, a hip cover part, a front side cover, a rear side cover, a bottom cover, a first partition plate and a second partition plate; the brain cover part, the viscera cover part, the hip cover part, the front side cover, the rear side cover, the bottom cover, the first partition plate and the second partition plate are each provided with an interlayer.

The invention provides an experimental device and method for simulating gas invasion well control of a complex karst cave type stratum. The device comprises a well drilling simulation system, a liquid-gas simulation system and a computer control system. The computer control system simulates an overflow and leakage coexistence scene by adjusting the well drilling simulation system and the liquid-gas simulation system, and in actual well drilling, if overflow and leakage occur, corresponding well drilling parameters can be collected according to overflow signals generated by actual well drilling; and corresponding control instructions and control parameters are output through the drilling parameters and the overflow and leakage control strategy, and the treatment effect and treatment efficiency of overflow and leakage coexistence are improved.

The invention provides an experimental device for jet cutting of an ice body under a long-target-distance submerging condition, the experimental device comprises a large submerging cavity, a bearing platform, a target loading system and a moving system, the large submerging cavity provides a long-target-distance submerging jet environment through water injection, and the bearing platform supports the large submerging cavity and the moving system. The target body loading system is fixedly arranged at the top of the large submerging cavity to load a target body, and the moving system is used for adjusting jet experiment parameters including jet target distance, cutting speed and incident angle and controlling equipment in the system to operate under the adjusted jet experiment parameters so as to carry out jet impact or cutting experiment on the target body loaded on the target body loading system. According to the device, on the premise that the long-target-distance submerging condition is achieved, relevant experiments of jet flow impacting or ice body cutting can be conducted, the jet flow target distance, the nozzle moving speed and the incident angle can be accurately controlled in the experiment process, rigorous equipment conditions are provided for the jet flow ice breaking experiment, and the device has the advantages of being easy to operate, accurate, safe and the like.

The utility model relates to an optical experiment device based on an interference principle, and belongs to the technical field of optical detection. Comprising a computer and a base, and the base is arranged on one side of the computer; a camera bracket, a sample placing bracket and a light source mechanism are sequentially arranged on the base, and are positioned on the same horizontal line; a camera is arranged on the camera bracket; the sample placing support and the camera are electrically connected with the computer, and the computer is used for storing and recognizing optical interference videos shot by the camera and controlling the sample placing support to ascend / descend. The device not only can be used for automatically measuring small diameters, thicknesses or curvature radiuses of plano-convex lenses in industrial production and reducing reading errors, but also can be applied to teaching of experimental principles of light interference, and is wide in application range.

The simulation experiment device for the frictional wear behavior of the surface of the artificial hip joint sample comprises a rack, a hydraulic loading mechanism, a hip joint simulation opposite-grinding pair mechanism, a composite motion mechanism, a lubricating liquid adding mechanism and an abrasive dust adding mechanism, and the simplification of the opposite-grinding pair structure and the simulation of an opposite-grinding track are both considered; a lubricating liquid adding mechanism and an abrasive dust adding mechanism are introduced in combination with actual conditions, artificial hip joint friction wear simulation under different lubricating conditions and abrasive dust forming conditions can be better simulated, and the artificial hip joint friction wear simulation device is more suitable for artificial joint material performance evaluation and selection under laboratory conditions.

The invention discloses a modular tunnel fire simulation experiment device, and relates to the technical field of experiment devices, an arc-shaped metal soft bent plate is matched with a hard plate body to arrange a simulation tunnel on a rotating table; the edges of the two sides of the soft bent plate are positioned on the hard plate body; the hard plate body is provided with a plurality of fixing positions of the soft bent plate, so that the form of the soft bent plate can be adjusted as required, and experimental tunnels in various forms can be simulated as required; the modularized tunnel fire simulation experiment device not only can simulate the gradient of the tunnel and different positions and different speeds of vehicles on fire in the tunnel, but also can achieve the technical effect that the shape and specification of the tunnel for experiment can be conveniently changed according to needs.

The invention discloses a dislocation angle adjusting structure of a fault dislocation simulation experiment device, which comprises a rectangular shell, and one end of the shell is provided with a support groove for supporting a first test box for simulating positive and reverse faults; one end of the rectangular shell is provided with a moving groove, the other end of the rectangular shell is provided with a moving groove, the second test box is used for horizontally moving a simulated translation fault, V-shaped grooves are formed in symmetrical positions of two sides of the rectangular shell, and an embedded adjusting rod is used for adjusting a dislocation angle; the mechanisms are respectively used for simulating lifting motion of a positive fault and a negative fault, adjusting a fault dislocation angle and horizontal motion of a translation fault, through the synergistic effect of the mechanisms, the simulation of various fault types (the positive fault, the negative fault and the translation fault) can be realized, and the advantages of high precision and automatic control are realized; the universality and the flexibility of the experimental device are remarkably improved, and more comprehensive and more reliable experimental support is provided for researching the influence of fault movement on an engineering structure.