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1346 results about "Experimental Devices" patented technology

Thermal-water-force coupling experimental device and testing method based on dynamic true triaxial electromagnetic Hopkinson bar system loading

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.
Owner:SHENZHEN UNIV

Multifunctional experimental device capable of realizing wind wave coupling effect

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.
Owner:DALIAN UNIV OF TECH

Experimental apparatus and method for simulating fracturing of fan-shaped well pattern

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.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Device, accelerator, decelerator, nuclear conversion system, light source device, light exposure device, propulsion device, centrifugal force device, material pressurizing device, and high-pressure induction superconduction experimenting device

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
Owner:西沢 克弥

Evolution simulation experiment device and method for tunnel composite lining diseases

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.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP

Thermal-hydraulic-mechanical coupling experimental device and test method based on dynamic true triaxial electromagnetic Hopkinson bar system loading

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.
Owner:SHENZHEN UNIV

Experimental device and testing method for testing gas diffusion coefficient of geomembrane

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.
Owner:ZHEJIANG SCI-TECH UNIV

Experimental device and method for researching kinetics and evaporation characteristics of liquid drops

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.
Owner:XI AN JIAOTONG UNIV

Simulation experiment device and method for casing drilling

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.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Experimental device for measuring rock-soil three-dimensional expansion deformation under water-rock action based on mechanical vision

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.
Owner:SOUTHWEST PETROLEUM UNIV

Experimental device and method for simulating gas invasion well control of complex karst cave type stratum

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.
Owner:PETROCHINA CO LTD +1

Optical experiment device based on interference principle

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.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

Simulation experiment device for frictional wear behavior of surface of artificial hip joint sample

PendingCN120404455AInvestigating abrasion/wear resistanceArtificial hip jointsArtificial joints
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.
Owner:BEIJING TECH & BUSINESS UNIV

Modularized tunnel fire simulation experiment device

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.
Owner:ANHUI ZHONGYI NEW MATERIAL TECH CO LTD

Dislocation angle adjusting structure of fault dislocation simulation experiment device

InactiveCN120275607AEarth material testingAutomatic controlNormal fault
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.
Owner:INST OF DISASTER PREVENTION

Silo internal state monitoring method and adjustable experimental device

The invention discloses a silo internal state monitoring method and an adjustable experiment device, and relates to the technical field of vertical silos, the silo internal state monitoring device comprises a silo body and a silo bottom, the silo body and the silo bottom are connected through a flange plate, a tray is arranged in the silo body, a weight is arranged above the tray, and the lower portion of the tray is in contact with bulk materials placed in the silo body. And circular grooves are formed in the wall surfaces of the bin body and the bin bottom. The detection method comprises the steps that S1, the bottom opening of the conical bin bottom is closed, materials enter the bin body through the upper opening of the bin body to be stacked, and the tray is placed on the top faces of the materials; s2, after the materials are stacked, an acoustic emission acquisition device and a pressure acquisition device are turned on to prepare to start to acquire signals; s3, a bottom opening of the conical bin bottom is opened, and sound signals and pressure signals are collected till discharging is completed; and S4, after discharging is completed, collection of the sound signals and the pressure signals is stopped. According to the invention, the fluctuation difference between the sound signal and the pressure signal is collected, and the signal characteristics are analyzed to characterize the material flow state in the adjustable silo.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

A fishway light illumination fish luring test device

This invention discloses a fishway illumination-based fish-attracting experimental device, belonging to the field of fish-attracting experimental technology. It includes: an experimental water tank, positioned above a reservoir, divided into an upstream, midstream, and downstream section, with an adaptation zone in the downstream section; a support frame erected above the midstream section, covered with a black cloth; and an illumination mechanism located on the upper wall of the midstream section, comprising LED lights and connecting components. Through the structural design of the connecting components, this invention allows for multi-dimensional flexible adjustment of the LED lights' horizontal position, illumination angle, and vertical height, breaking the limitations of fixed illumination modes in traditional experimental devices. The position and angle of the illumination can be adjusted according to experimental needs, and the adjustment operation is simple and convenient. It enables multi-parameter illumination research, allowing for quantitative study of the impact of different illumination conditions on fish migration behavior, meeting the needs of different experimental scenarios, and providing support for personalized fish-attracting research.
Owner:HUADIAN JINSHAJIANG UPSTREAM HYDROPOWER DEV CO LTD

Sandstone damage simulation experiment device and method based on seepage-crystallization coupling effect

PendingCN120233067AMaterial crystallisationEarth material testingClassical mechanicsIntegrated design
The invention discloses a sandstone damage simulation experiment device and method based on a seepage-crystallization coupling effect, and belongs to the technical field of mechanical property testing of geotechnical materials. Aiming at the limitation that the seepage-crystallization coupling effect of sandstone in a complex geological environment cannot be effectively simulated in the prior art, the experimental device is designed. According to the device, through the design of a single opening in the bottom, a sample is axially fixed through an O-shaped ring sleeve, a seepage boundary is formed, after a solution with a preset concentration is injected, the seepage rate of the solution is controlled through pressurization of an air compressor, evaporative crystallization is accelerated in combination with directional heating and air supply at the bottom, and dynamic crystallization process simulation of salt in sandstone pores is achieved. The sandstone damage simulation method for realizing solution crystallization through controllable seepage is provided, and a scientific basis is provided for evaluating the durability of sandstone engineering. Through integrated design, precise control and dynamic observation, the experimental precision is remarkably improved, the application range is widened, and the device has important significance in promoting the development of sandstone damage mechanism research in the field of geotechnical engineering.
Owner:CHINA THREE GORGES UNIV

New working medium Brayton cycle system multifunctional comprehensive experiment platform and experiment method

The invention provides a multifunctional comprehensive experimental platform and experimental method for a new working medium Brayton cycle system, and belongs to the technical field of thermal engineering experiments. The problem that an experimental device for researching unknown transient characteristics such as start / stop / power change of a new working medium Brayton cycle system, unknown transient safety characteristics under various typical accident conditions, a reliable start / stop / accident safety control strategy and composite control strategy thermal safety characteristics is lacked is solved. The device comprises a new working medium gas charging and discharging system, a Brayton cycle main loop system, a circulating cooling water system, a simulated crevasse system, a measuring instrument system and a power distribution cabinet, the simulation crevasse system comprises a first manual stop valve, a first crevasse test point, a movable crevasse eruption collecting device and the like which are located on a branch near an inlet of the temperature and pressure reducing device and connected in sequence. The device is mainly used for experimental research of the new working medium Brayton cycle system.
Owner:HARBIN ENG UNIV

Experimental device for researching migration rule of pollutants in subsurface flow zone

The utility model belongs to the technical field of experimental research, and particularly relates to an experimental device for researching a subsurface zone pollutant migration rule, which comprises a water injection component, a column body, a filling medium and a detection component, the column body is of a cylindrical cavity structure, the upper end and the lower end of the column body are each provided with a water injection opening, and the two water injection openings are each communicated with one output end of the water injection assembly; the filling medium is arranged in the column body and is used for simulating a soil layer structure from surface water to underground water; the detection assembly comprises a processor, an environment monitoring module and a pollutant collection module; the environment monitoring module is used for monitoring different depth environment indexes in the filling medium; and the pollutant collection module is used for collecting pollutants at different depths in the filling medium at regular time and transmitting the pollutants to the processor for analysis. The device can avoid the interference of external environmental factors, and provides reliable reference data for accurately analyzing the migration rule of the subsurface zone pollutants in the vertical direction.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED +2

Intelligent rock core displacement experimental device

The invention provides an intelligent rock core displacement experiment device which comprises a drying box, a rock core geometric parameter measuring device, a constant temperature box, a displacement device and computer equipment, the drying box is started to uniformly dry a rock core, and the computer equipment can obtain measurement parameters related to the rock core; putting the dried rock core into a constant-temperature box, carrying out a displacement experiment under the condition of simulating formation temperature, calculating the recovery ratio by computer equipment, drawing a relation curve between the pressure difference and the flow of fluid passing through the rock core, and further calculating the absolute permeability of the fluid and a possible starting pressure gradient; the relative permeability of the oil phase and the water phase is calculated, and a relative permeability curve is drawn; according to the invention, the problems of separation of displacement experiment from drying and geometric measurement links, indirect calculation by combining data with an empirical formula, large personal error, low efficiency and the like in the rock core displacement experiment are solved; all functional modules of the device are closely connected, the data automatic correlation error is low, and the measurement precision and the automation degree are high.
Owner:XI'AN PETROLEUM UNIVERSITY

Solid-state detector characterization by machine learning-based physical model with reduced defect levels

A physics-based network model is trained to learn weights such as trapping, detrapping, and / or transport of holes and / or electrons, as well as voltage distribution on a voxel-by-voxel basis throughout a solid-state detector model. The physics-based network may be used to estimate material property variation throughout the voxels. To reduce the number of experimental setups and information needed to train the models, the models may be trained using more easily acquired ground truth. Just the electrode signals or just the free charge data is used to train the model to characterize the solid-state detector. With this reduced data, the detector may be characterized using equivalency, such as combining multiple trapping centers to an equivalent trapping center. Regularization may be used in the loss calculation, such as where just the electrode signals are used, to deal with the reduced data available as ground truth.
Owner:SIEMENS MEDICAL SOLUTIONS USA INC +1

Shock tube based on different-material double-diaphragm rupture structure and design method and experimental method thereof

PendingCN120427426AShock testingStrength propertiesSolenoid valveDiaphragm rupture
The invention relates to an explosion experiment device, in particular to a shock tube based on a different-material double-diaphragm membrane breaking structure and a design method and an experiment method thereof, and aims to solve the problem that the performance of generated shock waves is affected by a valve structure, a pressure membrane breaking structure and a cutting membrane breaking structure of an existing shock tube. The shock tube is formed by matching the metal diaphragm and the plastic diaphragm, and the diaphragm breaking pressure can be accurately controlled. The design method comprises the steps that firstly, an experiment is conducted to obtain the relation between the plastic diaphragm rupture pressure and the plastic diaphragm thickness and the relation between the metal diaphragm rupture pressure and the metal diaphragm thickness, then the thickness of the plastic diaphragm and the notch depth of the metal diaphragm are determined, and then the length and the inner diameter of a pressure difference control section cylinder and the installation position of the diaphragm are determined; and finally, estimating the gas flow coefficient Kv of the exhaust pipe, and comprehensively designing parameters of the exhaust pipe and the electromagnetic valve. The shock wave performance and parameter precision generated by the experiment method are high.
Owner:NORTHWEST INST OF NUCLEAR TECH

Device and method for testing indentation and scratch of material under composite energy field

PendingCN120971238AInvestigating material hardnessCrazingSclerometer
The invention relates to the technical field of material mechanical property testing, and discloses a material indentation and scratch testing device and method under a composite energy field, and the device comprises a supporting experiment table, a vertical micro-motion platform, a horizontal micro-motion platform, a high-definition optical microscope, a force sensor, a displacement sensor and an additional energy field generation system. According to the method, a controllable additional energy field is synchronously applied while a mechanical indentation or scratch load is applied to a hard and brittle material sample, and load displacement data is collected in real time. In the data processing stage, the real hardness is calculated by adopting a corrected proportion sample resistance model, the elastic modulus is calculated based on the Oliver-Pharr theory, and the fracture toughness of the material is analyzed and calculated according to the size of the indentation tip crack. The problem that in-situ mechanical property characterization cannot be carried out in a composite energy field in a traditional test is solved, the hardness calculation precision is improved, the fracture toughness measurement function is expanded, and the experimental device and method are provided for research of a hard and brittle material composite machining mechanism.
Owner:HAINAN UNIV

Experimental condition search method and experimental system

PCT designated stage expiredWO2025115331A1Data processing applicationsAlgorithmEngineering
This experimental system comprises: an experimental device capable of simultaneously executing a plurality of experiments with dissimilar experimental conditions; and a search device for searching for experimental conditions to be used in the experimental device. The search device sets a first experimental condition using a first experiment planning method, controls the experimental device so that the experimental device executes a first experiment based on the first experimental condition, and sets a second experimental condition using a second experiment planning method on the basis of the result of the first experiment. Each of the first experiment planning method and the second experiment planning method includes a Bayesian optimization method using a first acquisition function, and a Bayesian optimization method using a second acquisition function different from the first acquisition function.
Owner:SHIMADZU CORP

Multi-mode leakage simulation experiment device and method for production string of ultra-deep gas well

The invention relates to the technical field of oil and gas field development, in particular to an ultra-deep gas well production string multi-mode leakage simulation experiment device and method. According to the technical scheme, the outer side of a shaft temperature and pressure coupling simulation system is connected with a reservoir gas supply simulation system, the middle of the shaft temperature and pressure coupling simulation system is provided with a multi-mode leakage simulation assembly, the lower end of a production oil pipe is connected with a reservoir-shaft coupling connector, and the upper portion of one side of a layered sand filling seepage tank of the reservoir gas supply simulation system is connected with a confining pressure loading unit through a pipeline; the lower portion of the layered sand filling seepage tank is connected with a reservoir fluid supply unit, and the outlet end of the layered sand filling seepage tank is connected with a reservoir-shaft coupling connector through a pipeline. The experimental device has the beneficial effects that the experimental device for coupling the reservoir and the shaft is constructed, and the multi-mode leakage simulation assembly is adopted to realize body perforation leakage simulation and screw thread sealing failure simulation, so that the simulation of the ultra-deep gas well under complex working conditions is realized, and a scientific basis and a technical support are provided for leakage prevention and control of a production string of the ultra-deep gas well.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Fault movement testing device and method for three-dimensional seismic test

The invention belongs to the technical field of earthquake simulation tests, and particularly relates to a fault dislocation testing device and method for a three-dimensional earthquake test, and the fault dislocation testing device is composed of two beveling models which are in the same form and are beveled on a cube along diagonal lines of an upper square surface and a lower square surface of the cube. The contact surface of the two beveled models, namely the opposite surface formed by beveling the two beveled models along the diagonal line, is a fault surface, and the fault models are arranged according to different test methods. The experimental device comprises the fault models, a strain observation system, an acoustic emission monitoring system, an active acoustic emission observation system and a laser total reflection fault monitoring system; according to the invention, a laboratory earthquake experiment can be realized, a laser total reflection fault observation system is researched and developed on the basis of a stress-strain observation device and an active and passive acoustic emission device, and synchronous monitoring of fault stress-strain, acoustic emission signals, displacement and fault surface contact conditions can be realized at the same time.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Experimental device and method for positioning artificially-manufactured fractures in wellbore and expanding fractures

The invention discloses an experimental device and method for positioning and artificially manufacturing fractures in a borehole and expanding the fractures. The experimental device comprises a tubular column carrier unit, and a positioning anchoring system, a mechanical fracture forming pretreatment system, a thermal shock fracturing system and a control terminal which are integrated on the tubular column carrier unit. The positioning anchoring system is used for detecting the well wall and locking the target depth and direction; the mechanical crack-making pretreatment system is used for cutting at the locking position to form an initial physical gap; the thermal shock fracturing system presets a thermal stress field through a heating assembly, and utilizes a cold shock assembly to spray low-temperature fluid to generate transient temperature difference stress to induce cracks to crack from notches and expand. And the control terminal controls the action time sequence of each system. According to the method, through the mode of mechanical drilling and thermal coupling, fixed-point and directional accurate fracture forming in a borehole is achieved, the generated fracture shape is close to that of a natural fracture, and the problems that a traditional method is inaccurate in positioning, uncontrollable in shape and large in damage to the whole sample are solved.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Material stress and micro-electrochemical in-situ corrosion potential testing device and method

The invention relates to the technical field of material testing, and discloses a material stress and micro-electrochemical in-situ corrosion potential testing device and a material stress and micro-electrochemical in-situ corrosion potential testing method. The invention provides an experimental device capable of simulating different stresses and actual test conditions and accurately evaluating the micro-area stress corrosion behavior of a material, and the stress corrosion and micro-area corrosion potential change rules of the material under different stress and electrochemical coupling effects are visually measured in situ. And a technical support is provided for revealing a stress corrosion mechanism in a metal material service environment. Meanwhile, different sample test requirements of a plurality of material product production lines are considered, high-accuracy and high-flexibility adjustment of multiple test conditions is realized, and by planning a scientific and reasonable sample test distribution strategy, the test frequency requirement of parallel task test of the multiple material product production lines and the test device switching target are met, and the test efficiency is improved. The efficiency and operation reliability of the test system are improved.
Owner:SOUTHWEST PETROLEUM UNIV

Laser microwave combined rock cracking experimental device

The utility model particularly relates to a laser and microwave combined rock cracking experiment device, and belongs to the field of rock cracking experiment devices. The laser and microwave combined rock cracking experiment device comprises an experiment cavity, a bearing part, a laser component and a microwave component. The bearing part is accommodated in the experiment cavity and is used for placing a sample; the laser part is used for emitting laser to irradiate a sample, the microwave part is used for emitting microwaves to irradiate the sample, and the laser part and the microwave part are respectively arranged on different sides of the experiment cavity. The microwave component and the laser component jointly act on the sample, so that an experimenter can conveniently research mechanism changes of the sample in a microwave and laser coupled environment, and theoretical and data support is provided for subsequent research.
Owner:SICHUAN UNIV