36 results about "Water Movements" patented technology

The invention discloses a flood lake wetland heat flux simulation method in a watershed hydrological model, and relates to the technical field of heat flux simulation, and the method comprises the following steps: dispersing a watershed space into a slope river channel and a lake wetland, simulating the water movement of a slope river channel unit, and simulating the water movement of the lake wetland; the method comprises the following steps: simulating surface energy exchange for a lake wetland unit on the basis of simulating a hydrological process, simulating land hydrology and lake inflow runoff of a sub-basin by adopting a grid-based distributed hydrological model, respectively dividing simulation grid units for a slope river channel and a lake wetland, establishing evapotranspiration, infiltration and surface runoff models, and establishing an evapotranspiration, infiltration and surface runoff model; a two-dimensional shallow water equation is used for processing slope confluence, a one-dimensional hydrodynamic model is used for calculating river channel confluence, a lake water quantity balance model is established for calculating the lake water level, the lake submerging process is simulated, and the lake wetland distributed heat flux process is simulated. And the technical blank of flooding wetland hydrothermal simulation is filled.

The invention provides a ship active stabilization control method and system, and relates to the field of ships. The ship active stabilization control system comprises a stabilization execution mechanism which comprises an upper platform constructed according to a ship body of a ship and a lower platform constructed according to multiple sets of water pressing plate execution mechanisms, and the multiple sets of water pressing plate execution mechanisms are arranged at any positions below waterlines of the two sides of the ship correspondingly; each water pressing plate executing mechanism comprises a water pressing plate assembly and a driving cylinder connected with the water pressing plate assembly; the data acquisition unit is configured to acquire ship body attitude and motion state information and environment data of the ship; the stabilization controller is configured to calculate and generate correction torque according to the parallel robot kinematic mechanics mechanism model, the ship posture and motion state information and the environment data, and distribute the correction torque to an execution instruction corresponding to each driving cylinder; and the driving cylinders drive the corresponding water pressing plate assemblies to execute water pressing movement or return movement according to the execution instructions.

The present invention discloses a method for simulating groundwater movement using a physical information neural network based on logarithmic annealing, belonging to the field of water environment simulation technology. The method comprises the following steps: first, solving the partial differential equation for groundwater movement based on a physical information neural network, establishing a pre-training model and an actual training model; second, establishing a multi-objective loss function, wherein the pre-training model optimizes the weights of the multi-objective loss function based on a simulated annealing algorithm, approximating the minimum value of the multi-objective loss function to obtain the optimal distribution weights; and third, generating the optimal values ​​of the multi-objective loss function weights based on the obtained optimal distribution weights, training the actual model according to the optimal values, and calculating the groundwater head and flow direction distribution within the region. The present invention adopts the above method, and the optimized neural network exhibits good properties in solving the groundwater migration equation, which helps to analyze the direction of groundwater movement and evaluate the groundwater movement process.

This invention specifically relates to a biomimetic underwater robot body perception and autonomous obstacle avoidance method based on dual-path 1D-CNN, comprising: measuring the deformation data of the structure during water movement using digital image correlation equipment; deploying multiple flexible sensors in an array in areas of significant deformation to accurately acquire deformation signals; a central control unit monitoring the sensor signals in real time and performing collision detection using a lightweight dual-path 1D-CNN algorithm; when a collision signal is detected, the central control unit automatically issues control commands, which are converted into motor output parameters by a central pattern generator to change the robot's motion posture, enabling autonomous obstacle avoidance. This invention achieves real-time motion monitoring and highly robust, low-latency autonomous obstacle avoidance for biomimetic underwater robots in complex aquatic environments, providing an effective self-protection mechanism and improving its swimming safety and intelligence level.

The invention belongs to the field of water aircrafts, and particularly relates to a method for calculating wave landing motion load characteristics of a seaplane by considering aerodynamic lift. Comprising the following steps: based on a two-dimensional semi-theory and a potential flow theory, dividing a seaplane into a plurality of slices along the length direction of a fuselage, and solving the additional mass on each slice; respectively solving the real-time wet surface area at each longitudinal slice position through the real-time water entry depth and the shape function of the cross section of each slice in the dampening process; the method comprises the following steps: dividing a wing of a seaplane into a plurality of slices through a two-dimensional semi-theory, and calculating aerodynamic lift of the seaplane in a landing process; according to the real-time wet surface area, section hydrodynamic force borne by the cross section in each slice in the longitudinal direction of the fuselage is calculated; based on the two-dimensional semi-theory and the Newton second law, according to the load condition of the seaplane in the wave landing process, a three-degree-of-freedom motion balance equation of heaving, surging and pitching of the seaplane is established, and the load characteristics of the seaplane in the wave landing process are obtained.

The invention provides an underground water movement substitution model construction method and system based on deep learning, and the method comprises the steps: solving a parameterized underground water movement partial differential equation in a heterogeneous aquifer based on a physical information neural network, and constructing a substitution model; constructing a loss function fusing physical information, and enabling the output of the substitution model to meet initial conditions and boundary conditions through a hard constraint method; parameters of the substitution model are optimized through an iterative training process; groundwater head distribution under different hydrogeological conditions is predicted based on the optimized substitution model, and uncertainty quantitative analysis is completed. According to the method, the prediction accuracy and reliability of the substitution model under the condition of no data are greatly improved, and the calculation time for completing uncertainty quantification is greatly shortened.

The present invention provides a novel multiple-seat wagon propelled by simultaneously rowing and pedaling for use in water or land. The present invention provides a unique and versatile multiple-seat wagon that can be converted into a sea vessel. It allows the vehicle to float on water and serves as the lower part of the vessel. The water propulsion assembly includes two water wheels that are responsible for generating forward and backward motion when the vehicle is in water. It also has a water shaft that holds the water wheels. The pinion gear increases the rotational speed of the water wheels, enhancing the efficiency of propulsion from a pedaling motion and a rowing motion. The invention features a demountable coupling system that allows for disassembly and reassembly while maintaining the interconnection of its components.

The invention discloses a method for calculating a vertical suspended sediment distribution rule by considering turbulence influence, which comprises the following steps: S1, considering the diffusivity of a water body to suspended sediment and the sedimentation effect of sediment, and carrying out discrete difference calculation on the vertical spatial and temporal distribution rule of suspended sediment concentration S by using the following differential equation; s2, calculating a turbulence diffusion coefficient in a seabed turbulence boundary layer by using a turbulence k-epsilon model; s3, the diffusion coefficient of the suspended sediment is equal to the diffusion coefficient of the turbulent flow, so that the diffusion coefficient of the suspended sediment is calculated by the following formula; and finally obtaining a time sequence result of the suspended sediment concentration vertical distribution characteristics considering parameters such as turbulence, suspended sediment concentration and sediment particle size by combining a seawater motion equation, the formula and the parameter result. By comprehensively considering the influence of parameters such as turbulence, suspended sediment concentration and sediment particle size, a more accurate result can be obtained.

Autonomous energy buoy for generating electrical energy from water movement, comprising a housing that floats on water or is anchored stationary in the water, a flywheel system with at least one rotor and an antiweight module that is set into rotation or oscillation by wave motion or current, an electromagnetic induction system with at least one magnet and a coil for converting the mechanical motion into electrical energy, an energy storage module for intermediate storage of the generated electrical energy, a light or signal module for supplying lighting devices or navigation systems, wherein the buoy is operated autonomously and independently of the grid.

The invention relates to the technical field of ocean geophysical exploration, and provides an island tail flow induced electromagnetic field simulation method based on magnetohydrodynamics. The method comprises the following steps: constructing a three-dimensional island wake flow fluid dynamic model; coupling an equation for describing seawater motion with a Maxwell equation set for describing electromagnetic field evolution, and constructing a magnetohydrodynamic control equation set; modeling the turbulence effect of seawater movement; the magnetohydrodynamics control equation set is solved, the ocean current velocity field and the induced electromagnetic field intensity are obtained, and the induced electromagnetic field intensity comprises the induced electric field intensity and the induced magnetic field intensity. The three-dimensional island wake flow hydrodynamic model constructed by the method comprehensively considers the seawater vertical layering flow velocity profile and background geomagnetic field parameters, and the constructed magnetohydrodynamic control equation set fully considers the seawater motion, so that the model can truly reflect a terrain-flow field-electromagnetic field multi-scale coupling mechanism.

This invention discloses a dam-break type wave-on test device and method, relating to the field of wave-on testing, and solves the problems of existing wave-on test devices being unable to achieve precise synchronous visualization of the flow field and failing to consider the deck wave load under the combined action of water and air. The invention includes a gate lifting system, a dam-break test water tank, a model attitude adjustment system, and a phenomenon observation system. The dam-break test water tank includes a water storage area, an impact area, and a baffle arrangement area. The water storage area stores test water, the impact area is used to place the test model for wave-on testing, and the baffle arrangement area is used to install sensors and place cables. The model attitude adjustment system is located below the impact area to adjust the model's attitude and control its lifting and lowering. The gate lifting system is located above the water storage area to control the gate's lifting and lowering. The phenomenon observation system records the wave-on test phenomena. Air is pumped into the water to simulate bubble breakage. This invention utilizes a high-speed camera to assist in analyzing the water movement path and simulates the deck wave load under the combined action of water and air by pumping air into the water.

A water current and movement energy harvesting system for desalination and electricity production, has a floating platform, a plurality of submerged spherical frame platforms connected to the floating platform, each spherical frame platform has a plurality of vertical axis turbines (VATs) of different sizes arranged to maximize exposure to water movement and minimize interference. Integrated pumps for transferring seawater to a pressurized seawater tank. Buoyancy tank for adjusting the depth of the spherical frame platform. The pressurized seawater is transferred from the spherical frame platforms to the floating platform to drive hydraulic motors coupled to electrical generators and to be pushed through reverse osmosis filters for desalination, and the generated electricity and fresh water are transferred to shore for further processing and distribution. Also, the water can be turned into hydrogen and oxygen by electrolysis and water can also be used to cool data centers.

The object of the invention is a boat with improved water movement properties. The boat comprises at least one outer mold (100) and at least one inner mold (102) according to the model of the boat to form a double-shell structure, the molds (100, 102) comprising a first hole (103a) through which closed-cell polyurethane has been sprayed with a high-pressure sprayer to fill the empty spaces (100, 102) inside the molds, and a second hole (103b) through which air has been removed from the empty spaces during said spraying. The boat comprises a rounded design of the stem (107), a shape of the bottom so that the bottom is widest at the front of the boat (109) to reduce water resistance, and as said spaces filled with closed-cell polyurethane side floats (105) on the sides of the boat to stiffen the hull with said closed-cell polyurethane. Further, the boat comprises a keel part (115) containing heavy material as a keel weight.

A system (99, 199, 299) for generating electricity from water movement, comprising: an electricity generator (3) configured to generate electricity, the electricity generator comprising a stator (16) and a rotor (13), wherein the rotor is arranged around the stator, the rotor comprising a plurality of blades (21) extending radially outward from an outer surface (13a) of the rotor, wherein the blades are configured to be moved by the water movement, wherein each blade: comprises a main body (11), comprises a first wing (10) extending from the main body at a first wing angle (101), comprises a second wing (12) extending from the main body at a second wing angle (121), wherein the first wing angle is different from the second wing angle.

The present disclosure provides a method and device for generating a water flow distribution map, electronic equipment and a storage medium; the method comprises: obtaining first model data of a target area, second model data of potential obstructions, and first position information and nozzle attribute parameters of at least one target nozzle; wherein the nozzle attribute parameters include an original trajectory equation, which is used to indicate the relationship between the water spray trajectory of the corresponding target nozzle and any position in space; based on the first model data, the second model data, the first position information and the nozzle attribute parameters, the water spray trajectory of each target nozzle is collided with the potential obstructions to determine the water spray reachable position and the reachable water spray volume of the target area; and according to the water spray reachable position and the reachable water spray volume of the water spray reachable position of the target area, a water flow distribution map of the target area is generated. The present disclosure can accurately and intuitively know the actual coverage of water spray in the specified area.

The invention provides a water-air cross-medium aircraft based on coupling vector power and a working method thereof.The cross-medium aircraft comprises a streamline fuselage, transverse type vector double rotors are installed on the two sides of the fuselage to serve as a flight power system, and a single vector underwater propeller is installed at the tail of the fuselage; a coupling vector power system is formed by vector double rotors on the two sides of the fuselage, the system adopts a coupling output mode and is suitable for underwater movement and water outlet movement, and effective control over the sailing angle through power driving and the tilting angle can be achieved. For underwater motion, the system drives the cross-medium aircraft to achieve stable and flexible vertical diving, fixed-angle linear sailing and underwater yawing motion. For the water outlet movement, the system promotes the cross-media aircraft to quickly discharge water. According to the coupling vector power system, the movement modes of the cross-medium aircraft are enriched, the underwater navigation movement capacity of the cross-medium aircraft is effectively enhanced, and a cross-medium multi-mode work task is completed.

This invention relates to a terrestrial, land, and air-based amphibious robot with active delivery capabilities. It includes a fuselage and two symmetrically arranged gripper mechanisms for ground movement. The fuselage includes a frame, a floating device for water movement, and a wing-like device for air flight. The gripper mechanisms include two symmetrically arranged gripper assemblies and a fixed frame. Each gripper assembly includes a first gripper blade and a roller device for contacting objects. The fixed frame is mounted on the frame, and the first gripper blade is rotatably mounted on the fixed frame. The roller device is mounted on the first gripper blade. This invention can adapt to water, land, and air environments without redundant and complex mechanisms. It does not require deformation to adapt to different environments, eliminating complex deformation mechanisms and adopting a lightweight design, allowing it to adapt to any environment with a single configuration.

A system includes a housing; a water tank positioned within the housing, wherein an inside of the water tank is sealed to prevent contact between material forming the water tank and water within the water tank; a water movement subsystem causing water to circulate within the water tank, including a baffle extending along the center of the water tank dividing the water tank into a circular raceway, and a pump causing water to circulate; an aeration subsystem maintaining an oxygenation level suitable for crustaceans to live within the water tank; a temperature control subsystem maintaining a water temperature suitable for crustaceans to live within the water tank; a water quality monitoring subsystem monitoring a water quality parameter of water within the water tank; a feeding subsystem configured to dispense food into the water tank; a biofloc removal subsystem configured to remove biofloc from the water tank; and a control system.

The application provides a seawater motion magnetic field characteristic measuring device, which comprises a composite structure pipeline, an excitation system and a measuring system; the composite structure pipeline is used for improving the motion speed of seawater; the excitation system adopts square Helmholtz coils which are arranged on the upper and lower sides of the composite structure pipeline respectively and generate a uniform magnetic field between the coils, and the magnetic field direction is perpendicular to the cuboid pipeline; the measuring system adopts a ring-shaped magnetic core induction coil, the resonant frequency of the ring-shaped magnetic core induction coil is tuned to the fundamental wave frequency of a PWM square wave signal through parallel matching capacitors, the in-band output response is improved, and the out-of-band interference is suppressed; a preamplifier, an analog switch and a low-pass filter jointly constitute a phase-locked amplification circuit, the analog switch is controlled by a PWM signal, and the seawater motion magnetic field signal under the action of an alternating field is extracted from the interference environment.

This invention discloses a method for environmental assessment in aquaculture, relating to the field of aquaculture environmental monitoring technology. The method includes: acquiring multi-source data and performing time-resolution normalization on the data, wherein the multi-source data includes hydrological data, meteorological data, marine data, and water depth and topographic data; and constructing a three-dimensional hydrodynamic model and a temperature-salinity model of the aquaculture area based on the multi-source data. This invention, by establishing a three-dimensional hydrodynamic model and a temperature-salinity model of the aquaculture area, systematically describes the water movement, heat exchange, and salinity diffusion processes based on a complete set of governing equations and boundary conditions conforming to physical mechanisms. By introducing key parameters such as horizontal and vertical turbulence coefficients, bottom roughness, and surface heat flux, and combining model calibration and verification, the model possesses strong environmental response realism and simulation reliability, effectively reflecting the spatiotemporal variation characteristics of salinity under different external driving conditions.

The invention discloses a snakelike robot based on a scale propelling mechanism and a control method, the snakelike robot comprises a plurality of snakelike units connected in series, each snakelike unit comprises an outer shell, a propelling joint is arranged in each outer shell, each propelling joint comprises a telescopic mechanism, the end part of the moving end of each telescopic mechanism is rotatably connected with a plurality of scales, and the scales are connected with the snakelike robot. The scales are connected with the outer wall of the outer shell through telescopic connecting rods. According to the snakelike robot, through the interconnection design of the telescopic joints and the scales, the snakelike robot is similar to water pushing motion of jellyfishes, flexible underwater motion of the snakelike robot is achieved, and the three-dimensional motion capacity, efficient propelling and accurate control can be considered.

The present invention discloses a method for simulating heat flux of flooded lake wetlands in a watershed hydrological model, which relates to the technical field of heat flux simulation and comprises the following steps: discretizing the watershed space into two parts: a slope river channel and a lake wetland; simulating water movement for the slope river channel unit; simulating surface energy exchange for the lake wetland unit on the basis of simulating the hydrological process; using a grid-based distributed hydrological model to simulate the sub-basin land surface hydrology and lake runoff; dividing the slope river channel and the lake wetland into simulation grid units respectively; establishing evapotranspiration, infiltration and surface runoff models; using a two-dimensional shallow water equation to process slope confluence; using a one-dimensional hydrodynamic model to calculate river confluence; establishing a lake water balance model to calculate lake water level; simulating the lake flooding process; and simulating the distributed heat flux process of the lake wetland. The model of the present invention has a simple structure and has the advantages of stable computing performance and improved efficiency, filling the technical gap in hydrothermal simulation of flooded wetlands.

Water energy recovery system (100) configured for temporarily buffering / storing kinetic energy of water (1) held in a preferably rotationally symmetric basin (10) of the system (100), wherein the system (100) is coupled to an energy network (3) and is configured to set the water in motion in a first time window (t1) by means of energy input in the basin, in particular by means of at least one pump / conveyor device (13) and / or by means of a rotor (15) of the system (100), and in a subsequent second time window (t2) to convert the generated kinetic energy of the water held in the basin to recover energy and optionally also to feed the recovered energy back into the energy network (3) or at least into a / the system's own energy storage device (40);characterized in that the system (100) is configured to recover energy by means of at least one rotor (15) of the system which is immersible in the moving water within a water volume (11) provided for this purpose in the basin (10) and / or which can be switched on in a torque / load-reducing manner and which is coupled / coupled to an energy generator unit (17) of the system (100) configured for conversion into electrical energy.

An energy infrastructure system is disclosed comprising aerial and aquatic platforms configured for sustained deployment and extraction of usable energy from environmental flows through non-rotational interaction. The platforms may operate independently or cooperatively to extract energy from airflow and water movement and to route extracted energy to external infrastructure, storage systems, or consumption modules. The disclosed system enables distributed, multi-environment energy extraction without reliance on rotational turbine assemblies or fixed-location generation assets.

The present invention discloses a rapid simulation method for microscopic oil-water movement and water flow path in porous media, comprising the following steps: obtaining a weight model, a remaining oil type saturation and position prediction model based on experiments and machine learning methods; segmenting the provided pore-throat structure image into pores and throats; calculating path weights according to pore-throat attributes and prediction models; constructing a weighted directed graph of the pore-throat topological structure; calculating key data such as the path and weighted length connecting the inlet and outlet based on the shortest algorithm; calculating a weighted length threshold according to the target recovery factor to determine the water flow path; and obtaining the distribution results of various types of remaining oil in the model based on the remaining oil type saturation and position prediction model. Based on seepage experiments and graph theory, the technical idea of the present invention conforms to the seepage law, has clear physical meanings, and high result simulation degree; eliminates a large amount of calculations of traditional iterative numerical solutions, and improves the prediction speed by more than a thousand times, making it possible for engineering applications of microscopic-scale research.

A method for measuring water flow amount and for detecting an outdoor water leakage using temperature distribution and pressure change in a ultrasound water meter includes: a ultrasound time measurement process; a water flow rate calculation process; a ultrasound speed calculation process; a center water temperature calculation process; a water surface temperature measurement process; a temperature distribution calculation process; a water movement pattern determination process; and a water flow amount calculation process.

The purpose of the invention is to prevent eutrophication caused by substances from soil layers (10) entering our water bodies and ultimately the sea (7) through a new protection and collection method. The invention aims to stop residual substances dissolved from fertilizers applied to the soil from being carried with water through the soil layer (10) into water bodies and the sea (7). The concept involves digging a trench (4) extending down to clay / moraine (15) or a similar soil formation, lined with a fabric barrier (3) and filled with absorbent material (6); if necessary, a deeper trench structure (17) is excavated. The trench walls are lined with water-permeable or impermeable fabric barriers (3), with the width of the filling opening maintained by a cross-shaped support structure (5) or equivalent. A machine (1) is used to unroll the fabric barrier (3) from a reel (2) into the trench (4) and to fill it with absorbent material (6) via a filling pipe (9) from a trailer (12). One method near streams (11) or the sea (7) combines barrier materials, especially when the soil layer (10) is subsurface-drained (13) and water movement is high. The approach uses a water-permeable fabric barrier (3) on the drainage side and a water-impermeable fabric structure (14) toward the sea (7), directing water into one or more curved trench structures to prevent residual substances from reaching the sea (7). During rainfall, to prevent excessive water from entering the absorbent material (6), the trench (4) is covered with a special cover (16).

The present application provides a coal mine water hazard microseismic early warning method, device, equipment and storage medium under pressure, which comprises the following steps: obtaining a microseismic event set of a region to be monitored; based on the P-S wave time difference and the waveform rise time of all microseismic events, a typical water movement microseismic event set is screened; based on the preset microseismic water inrush danger period warning condition, the typical water movement microseismic event set is analyzed to determine whether there is a water inrush danger period; when it is determined that there is a water inrush danger period, a plane analysis is performed on the first microseismic event set to determine the water inrush danger index of each position indicated by all microseismic events in the first microseismic event set; based on the water inrush danger index of each position indicated by all microseismic events in the first microseismic event set and the plan of the region to be monitored, a water inrush danger area is determined, and early warning of the water inrush danger period and the water inrush danger area is performed. The present application can perform real-time and accurate early warning.

The invention discloses a waterway transportation system and method for cooperation of cluster unmanned ships, and belongs to the technical field of overall design of waterway transportation systems. By means of cooperation of the cluster unmanned ships and a method for providing external source power, the problems of economy of existing ship waterway transportation, dead weight of fuel oil and need of multiple times of ship stopping and berthing in long-distance sailing are solved. The transport target is connected with the unmanned ship through the force bearing mechanism, the unmanned ship serves as a main power source, and water transport power can be provided for different types of ships or cargoes through the customized force bearing mechanism and the unmanned ship, including but not limited to a traditional transport ship, a buoyancy tank platform, a speed boat and the like. The effective load capacity, the sailing speed and the like are related to the number of unmanned ships capable of being connected into the system and the overall streamline appearance, and the transportation requirements of cargoes and ships which are of any type but limited by the navigation channel condition can be met theoretically.