24 results about "Water simulation" patented technology

The utility model discloses a small -size drainage ditch drainage simulation teaching experiment device in the field of agricultural water conservancy, including the soil tank of inside filling soil, drainage ditch system, pressure measurement system, simulation rainfall system and water supply and drainage system, the drainage ditch system includes the fixed drainage ditch of being located soil tank side, inside the sleeve has movable drainage ditch, soil tank and fixed drainage ditch all are the cuboid structure of top opening and realize intercommunication through the porous water permeable board, the width of fixed drainage ditch is greater than the width of soil tank, and inside along its height direction and inserts high overflow board or low overflow board, high overflow board or low overflow board divides fixed drainage ditch into main ditch area and overflow area, movable drainage ditch includes the bottom plate that sets up in proper order, left side board, right side board and back side board, and the small overflow board is inserted between left side board and right side board, and a plurality of through -holes are seted up in the upper half portion of right side board and correspond porous water permeable board. The utility model can promote the field drainage experiment simulation effect and efficiency.

The utility model discloses a kind of collapse pit dewatering aggregation simulation test devices, it is related to testing, measurement technical field.It includes collapse pit simulation system, dewatering simulation system and information acquisition system.Collapse pit simulation system adopts box without top cover, and the collapse pit of different working conditions, filling material can be constructed, so different filling, collapse pit gradient can be simulated test;Dewatering simulation system can spray water body to collapse pit simulation system, and dewatering simulation system can control dewatering height, dewatering area, dewatering intensity and dewatering time by lifting frame, dewatering nozzle, adjustable transformer, timing socket, so that the collapse pit of multiple working conditions can be carried out dewatering aggregation similar simulation test;Information acquisition system obtains the moisture content, pressure and temperature etc. Information of inside filling of collapse pit, it is favorable to ascertain the aggregation behavior of collapse pit dewatering under different working conditions, provide basis for collapse pit ponding management, thereby reduce underground debris flow risk, guarantee mine safety and efficient production.

This invention discloses a method and system for reverse reconstruction of river topography based on flood traces and trial calculations, relating to the fields of water conservancy engineering, flood simulation, and topography reconstruction. In the absence of pre-flood measured topographic data, this method constructs possible topographic change ranges by collecting multi-source information such as post-flood images, engineering design data, and historical flood traces. Multiple trial calculations are performed using a hydraulic model to invert pre-flood topographic parameters. Finally, the method is verified using measured data such as scour depth and water level traces, achieving reliable reconstruction of the pre-flood topography. This invention solves the problem of traditional methods relying on historical topographic data and is applicable to scenarios such as flood scour impact assessment, engineering safety verification, and flood control design optimization.

This utility model discloses an automotive rubber strip sealing test device, relating to the field of rubber strip testing technology. It includes a base, a simulation box fixed to the top of the base, a test box fixedly inserted to the back of the simulation box, a simulated inner door panel block fixed to the open side of the test box, and a simulated outer door panel block hinged to the simulated inner door panel block. Both the simulated inner and outer door panel blocks are located inside the simulation box. A blower simulation component and a water spray simulation component are installed on the base. The blower simulation component, in conjunction with the water spray simulation component, simulates natural weather conditions. The sealing performance of the rubber strips installed on the simulated inner and outer door panel blocks is tested using wind and water. By observing whether the fabric strips inside the test box sway and whether water accumulates inside the test box, the sealing performance of the automotive rubber strips can be accurately and effectively determined, meeting the requirements for standardized testing of automotive rubber strips.

The application discloses a kind of multivariate dynamic test device and test method under thick loose layer, belong to the technical field of physical simulation of mine exploitation.The device includes main frame, loose layer migration monitoring module, water inrush simulation module, rock burst simulation module and total control module.Water inrush simulation module includes roof water disaster simulation module and floor water disaster simulation module to realize controllable water inrush simulation;Rock burst simulation module realizes roadway local fracture and large deformation simulation through movable air bag energy release assembly and segmented striker trigger assembly.The application can simulate the multivariate dynamic disaster chain evolution process of loose layer migration, roof and floor water inrush, rock burst and roadway instability induced by mining under thick loose layer in the same test platform, and provides test support for deep coal mine multivariate dynamic disaster collaborative prevention and control.

The application discloses a passive maintenance-free anti-floating experiment simulation device and an experiment method, and relates to the technical field of anti-floating design, and can be used for verifying a passive anti-floating design structure, designing parameters and calculating an anti-floating limit water level.

This invention provides a method for identifying the preferential flow path of microplastics in groundwater, relating to the field of groundwater pollution monitoring. The method includes: marking microplastic particles with an organotantalum compound via bulk embedding; adding the microplastic particles to a groundwater simulation solution to prepare a tracer suspension; introducing the tracer suspension into a groundwater simulation system and conducting a preferential flow tracer experiment; setting sampling points at different spatial locations within the groundwater simulation system and collecting water samples from each sampling point; quantitatively analyzing the tracer signals of the water samples from each sampling point to obtain the organotantalum compound content at each sampling point; and determining the preferential flow path of the microplastics in the groundwater simulation system based on the organotantalum compound content at each sampling point. This method addresses the technical problem of the lack of existing technologies for systematically identifying the preferential flow path of microplastics in groundwater systems based on particle tracer signals.

The application discloses a kind of river basin joint scheduling hydrology hydrodynamic coupling flood simulation method and system, the method comprises: collecting multi-source river basin data and carrying out standardization pretreatment to obtain pretreatment river basin data;Hydrology and hydrodynamics model based on two-way coupling mechanism are used to carry out real-time coupling flood simulation calculation to pretreatment river basin data, to obtain coupling flood simulation result;By pre-set engineering scheduling priority matrix, linkage coefficient dynamic calculation formula, conflict resolution strategy tree, extreme working condition scheduling step and global collaborative constraint, the coupling flood simulation result is processed to output initial scheduling scheme;Based on flood control safety target, water resources utilization target and engineering safety target, the initial scheduling scheme is iteratively optimized using improved NSGA-II algorithm to output optimal scheduling scheme set;The method can improve the real-time and accuracy of hydrology hydrodynamic coupling, realize the quantification and precision of multi-engineering scheduling.

This invention belongs to the field of steel smelting technology and discloses a method for removing and supplementing abnormal data of simulated water conductivity. The method includes: acquiring raw simulated water conductivity data and performing data preprocessing; analyzing the regularity of the raw simulated water conductivity data; if a regularity is determined, setting data removal and supplementation rules, determining the upper and lower limits of non-abnormal simulated water conductivity data, the deviation value of abnormal simulated water conductivity data, and the supplementation rules for abnormal simulated water conductivity data, and judging and processing the abnormal simulated water conductivity data; judging the expected data of the processed abnormal simulated water conductivity data; if it meets the expected data, outputting the data; otherwise, reprocessing the abnormal simulated water conductivity data until it meets the expected data. This invention effectively removes and supplements abnormal data by setting data removal and supplementation rules, improving data analysis efficiency.

The application discloses a kind of weather-resistant sealing strip structure's modeling simulation method and system, comprising: the initial three-dimensional grid model of the sealing strip to be analyzed is constructed and is given initial material attribute, sequentially applied to model precipitation simulation working condition and dry environment simulation working condition, extract the surface microcrack node in open state and input to local corrosion evolution prediction model to output local corrosion degradation coefficient, after replacing initial corrosion rate parameter, Markov model for surface microcrack node is constructed and degradation coefficient is converted into state transition probability matrix, subsequently, the grid cell degradation state is calculated by Markov model, the surface microcrack node corresponding to the grid cell that occurs perforation failure is marked as high-risk perforation node.The application solves the problem that the prior art cannot effectively simulate and accurately predict the in-situ local punctiform perforation failure caused by microcrack water evaporation concentration.

The utility model discloses a buried pipeline mechanical response test device under a traffic load effect, and relates to the technical field of buried pipeline mechanical response test. Comprising a test box body, the test box body is provided with a test mechanism used for mechanical response of the buried pipeline under the traffic load effect, the test mechanism comprises an adjusting assembly, the adjusting assembly comprises a sliding rail support fixed to the upper end of the test box body, and the sliding rail support is internally provided with a mounting support connected through a thread assembly; by means of water spraying simulation and compaction treatment, soil environments with different humidity and compaction degrees can be simulated, the test result is closer to the actual situation, and the device not only can be used for simulating pipeline mechanical response under the action of traffic loads, but also can be used for simulating pipeline mechanical response under the action of the traffic loads, and can also be used for simulating pipeline mechanical response under the action of the traffic loads. And the influence of different soil conditions on the pipeline performance can be researched by adjusting the water spraying amount and the compaction degree.

This invention discloses a simulation test device for dewatering using advanced drainage pipes in water-rich sandy dolomite tunnels. The device includes a test chamber with a tunnel simulation block on it. The tunnel simulation block has a simulated tunnel excavation opening, and an advanced drainage pipe is inserted into the simulated tunnel excavation opening and into the tunnel simulation block. A pressurized water tank is fixed above the test chamber, and the pressurized water tank contains several pressure zones filled with crushed stone. A variable pressure plate is installed inside the pressurized water tank, which can individually change the water pressure within each of the crushed stone pressure zones. This invention simulates localized pressure difference changes during dewatering using advanced drainage pipes in water-rich sandy dolomite tunnels by controlling multi-point pressure differences, thus adapting to simulate extreme situations that may occur during dewatering using advanced drainage pipes in more water-rich sandy dolomite tunnels.

A water simulation system may include a tank, a plurality of fluidic inlets, a plurality of fluidic outlets, and one or more pumps. In operation, the one or more pumps may introduce liquid to the tank through the fluidic inlets and draw liquid from the tank through the fluidic outlets. A pressure at the fluidic outlets may be diffused through the tank by an intake diffusion system having an intake box and an intake plate separating the fluidic outlets from the interior of the tank. A liquid flow may be adjusted for creating swift water conditions in a first portion of the tank and a slower current in a second portion of the tank.

This invention discloses a low-cost reinjection method and system for high-salinity mine water, relating to the field of simulation technology. The method involves: water quality testing and treatment of high-salinity mine water pumped to the surface to obtain target reinjection mine water; drilling N sets of natural reservoir sandstone cylindrical samples from exploration wells in the target depleted oil layer block; performing feature analysis on all natural reservoir sandstone cylindrical samples to obtain micro- and macro-scale characteristics; generating multiple sets of water injection tests under different reinjection conditions based on the target reinjection mine water simulation experiment; constructing a target three-dimensional simulation model based on the water injection tests and micro- and macro-scale characteristics; and determining the mine water reinjection scheme based on the target three-dimensional simulation model. This method achieves targeted purification treatment of mine water and accurately matches reinjection conditions through simulation, effectively avoiding risks such as formation blockage and decreased permeability, significantly improving the safety, adaptability, and efficiency of mine water reinjection, while simultaneously realizing the resource utilization of high-salinity mine water.

This invention discloses a system and method for testing the development laws of gas reservoirs, comprising: a formation simulation device containing an experimental core of a predetermined length; an edge water simulation device connected to the core inlet for simulating edge water intrusion during the depletion development stage; an injection-production simulation device equipped with a first gas inlet module and a condensate gas sample inlet module at the core inlet, and a backpressure module at the core outlet, wherein the first gas inlet module is used to establish a bound water saturation state in the core, and the backpressure module is used to promote the production of produced fluids; a measuring device connected to the backpressure module for measuring the produced fluids; and an experimental control device for obtaining measurement data and calculating water intrusion during the depletion development stage by controlling the formation simulation device, the edge water simulation device, and the injection-production simulation device. This invention fills the gap in research on the water intrusion laws during the injection-production stage of edge water condensate gas reservoirs.

The application discloses a kind of experimental device and experimental method for simulating the development of strong heterogeneous multilayer series water-containing gas reservoir, and relates to the technical field of gas field development, including edge water simulation unit, bottom water simulation unit, multilayer series reservoir simulation unit, longitudinal crack-containing reservoir simulation unit, back pressure control unit, gas and water monitoring unit and original fluid saturation unit;The multilayer series reservoir simulation unit is a horizontal multiple-parallel structure, one side of the multiple-parallel structure is connected to the edge water simulation unit, and the other side is connected to the back pressure control unit;The back pressure control unit is connected to the gas and water monitoring unit through a gas and water separation meter;The longitudinal crack-containing reservoir simulation unit includes multiple full-diameter core holders connected in series vertically, and the bottom full-diameter core holder is connected to the bottom water simulation unit at the bottom;The application realizes the simulation of strong heterogeneous longitudinal high-angle crack development in the hydrochloride rock multilayer series water-containing gas reservoir through the effective combination of full-diameter core holders and long core holders.

The river network rain and pollution regulation facility hydrodynamic and associated process simulation method disclosed by the application collects basic data of a research area, and constructs a river network numerical model based on the data, sets corresponding regulation nodes and rules in the river network numerical model, and completes model initialization; solves river section water depth, flow and pollutant concentration through the model and updates related indexes, calculates node flow and pollutant amount, obtains node minimum limit step, and calculates flow discharge according to the characteristics of the hydraulic facility, replaces the original numerical flux, strictly conserves water quantity conservation and updates upstream and downstream water levels of the facility; then the minimum time step of the pipe section is obtained according to the CFL condition, and the pipe section hydraulic elements and node water depth are updated as the model calculation step, and after the calculation is completed, the water flow simulation results of the river network river section and the regulation facility are output.

This invention relates to the field of distribution network resilience assessment technology, specifically to a distribution network resilience assessment and control method based on indoor and outdoor two-dimensional flood simulation. It includes the following steps: collecting multidimensional raw data of the target area; constructing a two-dimensional shallow water equation for the outdoor area and a hydrodynamic infiltration model for the indoor area, outputting a spatiotemporal distribution matrix of flood water depth; calculating a failure probability matrix by combining a preset vulnerability curve function of distribution equipment; generating performance time-series curves through a distribution network power flow calculation model and calculating the distribution network resilience index; and generating a dynamic control strategy using a particle swarm optimization algorithm, with the optimization objectives of minimizing the distribution network resilience index and total load loss. This method, through integrated indoor and outdoor two-dimensional flood simulation technology, fully considers the correlation between indoor and outdoor flood evolution and the differentiated impact on distribution network equipment, solving the problem of traditional assessment methods lacking refined processing of the differences between indoor and outdoor water accumulation.

This invention discloses an experimental apparatus and method for assessing the instability, collapse, and impact surge of ice-rich slopes under different slope conditions. The apparatus includes a material tank, a landslide unit, a precipitation simulation unit, a water tank, an operating platform, and an image acquisition unit. The precipitation simulation unit comprises a first steel frame, a water storage tank, and several spray nozzles. The water storage tank, located at the top of the first steel frame, supplies water to the spray nozzles. The height adjustment mechanism includes a base and three lifting support components. The material tank, the first chute, and the second chute are arranged sequentially from left to right. The bottom surfaces of the first and second chutes have several square grooves for laying filling material. The water tank is a rectangular box, with the right end of the second chute extending into the water tank. The image acquisition unit includes two high-speed cameras, positioned directly in front of and to the right of the landslide unit, respectively. This invention can simulate the movement of debris flows after the instability and collapse of ice-rich slopes under different slope media and precipitation conditions, observe the impact surge state and deposition of debris flows into the water, and provide a theoretical basis for such experimental and numerical simulation studies.

The present application relates to the field of mining engineering and geotechnical engineering, in particular to a physical simulation test method for water-bearing weakly cemented rock stratum based on field measurement, comprising: field water-bearing area measurement, using transient electromagnetic method to accurately delineate the water-bearing area; water-bearing and non-water-bearing area partition sampling and determination of rock sample physical and mechanical properties; similar material standard test piece group preparation, determination and matching, determining the similar material ratio through double matching criteria to ensure that the similar material and the field rock sample are highly consistent in mechanical properties under the water-bearing state; according to the measured water-bearing area range and water quantity, embedding a polymer water bag with water injection pipeline and water seepage structure at the corresponding position of the water-bearing layer; after applying the ground stress, the water bag is injected to simulate the water-bearing layer, and after applying the simulated ground stress to the model, the water bag is injected to complete the model construction. The present application significantly improves the matching degree of the physical similar model and the engineering practice through accurate material matching and real water accumulation area simulation.

The application discloses an experimental device based on an underground water storage and drainage space of a pit bottom of an open coal mine, and belongs to the technical field of open mine mining hydrogeological engineering and indoor simulation. The device comprises a sand box main body, an underground water simulation system, a rainfall simulation system, an underground water storage and drainage space simulation structure and a monitoring and drainage control system. The first and second high water head water tanks and the first and second low water head water tanks are used for simulating and controlling underground water flow, and an adjustable shower is used for simulating rainfall. The simulation structure is internally provided with a concrete anti-seepage wall, wherein a filter layer and a water storage medium are filled from bottom to top, a water diversion channel is arranged at the bottom, and a water pumping filter pipe penetrating through the anti-seepage wall and extending into the water storage medium is arranged at the upper portion. The application can accurately simulate complex working conditions coupled by multiple factors, realize synchronous monitoring of multiple parameters such as seepage and water level, provide reliable experimental basis for medium selection, structure optimization and drainage scheme making of the underground water storage and drainage space, and effectively guide engineering practice.

This invention discloses a method, device, storage medium, and program product for intra-diurnal precipitation simulation based on a weather generator and precipitation decomposition. It establishes a complete precipitation simulation framework from diurnal to hourly scales, organically combining the weather generator and precipitation decomposition algorithm to overcome the shortcomings of traditional methods where each component is independent. An empirical rank rearrangement method is used for post-processing of the simulation sequence, effectively restoring the temporal correlation structure of precipitation and significantly improving the simulation accuracy of statistical characteristics such as the first-order autocorrelation coefficient. A joint stratified sampling strategy based on precipitation and temperature is employed for historical date matching, fully utilizing the covariant relationships between meteorological elements and improving the representativeness of hourly precipitation distribution patterns. An ensemble simulation framework is used, employing multiple realization and multiple sampling mechanisms to quantify simulation uncertainties, providing probabilistic forecasting capabilities for hydrological model applications and risk assessment.

The application discloses a method for predicting the wettability of a microstructure surface based on finite element analysis, and relates to the field of predicting the wettability of a microstructure surface, and comprises the following steps: performing drop simulation calculation, drawing a liquid drop contour line after a water drop is stabilized on the surface, finding out the contact point between the water drop and the surface microstructure, making a tangent line of the contact point, and the angle between the tangent line and the horizontal baseline of the water drop contact surface is the wetting angle beta of the liquid drop on the surface; and comparing the simulated wetting angle beta with the initial wetting angle alpha. The application can physically and realistically simulate the dynamic behavior of a liquid drop on a microstructure surface and the final equilibrium state of the liquid drop by establishing an accurate geometric model containing etched microstructures and coupling a laminar flow physical field and a level set physical field, and can quantitatively judge whether the etched structure enhances hydrophobicity or hydrophilicity by directly comparing the simulated wetting angle beta with the initial planar wetting angle alpha, thereby providing clear and reliable decision-making basis for structure design.