40 results about "Field uniformity" patented technology

The invention relates to the technical field of steelmaking, in particular to a method for quickly detecting the non-uniformity of a flow field of a continuous casting crystallizer on line, which comprises the following steps of: acquiring a signal in a hydraulic vibration device of the crystallizer, converting the signal into a digital signal, and preprocessing the digital signal as time sequence synchronization data; the method comprises the following steps: slicing time sequence synchronization data according to a fixed time window, extracting multi-dimensional features from data in each time window, and constructing feature vectors; performing flow field evaluation by adopting a mixed model combining supervised learning and unsupervised learning; and outputting an alarm level prediction and diagnosis mode by using the multi-task learning model. An original signal capable of directly or indirectly reflecting a flow field state is acquired at high frequency through a multi-source sensor array arranged on a crystallizer; extracting characteristic values strongly related to the characteristics of the flow field by using a signal processing technology; inputting the characteristic value into a pre-trained deep learning neural network model; the model outputs a comprehensive evaluation index about the uniformity of the flow field in real time, and automatically identifies a non-uniform mode and grade.

A magnetic resonance (MR) receive coil (18) includes a conducting loop (20) that is resonant at a Larmor frequency of a design-basis B0 magnetic field of at least 3 Tesla; and a conducting trace (22) configured to detune the conducting loop from the Larmor frequency in response to a DC current flowing through the conducting trace. The conducting trace further includes a receive |B1|-field uniformity-enhancing inductor (L3) positioned at an intermediate point along the conducting trace.

The application discloses a kind of unmanned aerial vehicle granular field uniformity detection device and detection method, belong to agricultural engineering and farmland detection technical field.The device includes detection device body, optical fiber sensing module, embedded PCB circuit board.The detection method is laid out and horizontally calibrated device, optical fiber sensing module collects the light signal variation of granular interruption detection beam, signal processing, effective counting obtains the number of particles per unit time, combined with single particle average mass conversion real-time spreading amount;Host computer collects multiple sampling point data to calculate the variation coefficient of spreading amount, compares preset threshold to determine uniformity grade, and accordingly guides unmanned aerial vehicle operation parameter adjustment.The application realizes real-time accurate detection of spreading uniformity, has strong environmental adaptability, is simple and easy to operate, effectively improves the intelligentization and high-efficiency level of field spreading monitoring, and is suitable for various agricultural unmanned aerial vehicle granular spreading operation scene.

The invention provides a high-temperature superconducting induction heating control method and system based on multi-physics field coupling, and the method comprises the steps: driving a heat conduction model through eddy-current loss data outputted by a three-dimensional electromagnetic field model, and feeding back the temperature distribution data of the heat conduction model to the three-dimensional electromagnetic field model for parameter correction. Meanwhile, the temperature distribution data and the eddy-current loss data respectively drive a stress-strain model to calculate structural deformation to form a closed-loop link, finally, multi-field data dynamic interactive convergence is realized by adopting an iterative solution algorithm, and consistency and precision of output data of each physical field are ensured through a preset threshold value. Finally, cooperative control over temperature field uniformity, structural stability and energy efficiency in the heating process is achieved.

The utility model provides a kind of flow field pool for flux transfer, belong to chip mass transfer technical field, including flow field groove, the upper part of one end of flow field groove is provided with flow field tower, the lower part of another end of flow field groove is provided with flow field pool, slope is provided between flow field groove and flow field tower, filter screen is provided between flow field groove and flow field pool, flow field groove surface is provided with fluid, chip is provided between fluid, RGB board is provided in the middle of flow field groove, and fluid is located above RGB board.The utility model uses above-mentioned one kind of flow field pool for flux transfer, solve the chip transfer efficiency low in prior art, recovery difficult and the problems such as poor flow field uniformity.

The invention discloses a nuclear magnetic resonance passive shimming module design method and device based on Gaussian splashing, and relates to the technical field of precision electromagnetic field optimizing.The nuclear magnetic resonance passive shimming module design method comprises the steps that initialization is conducted in a design domain of a passive shimming module, and an initial parameter set of all Gaussian splashing particles is obtained; constructing a mapping relation between the equivalent magnetic moment and the magnetization weight factor of each Gaussian splashing particle and between the intrinsic magnetization intensity and the scaling vector of the magnetic material, and constructing a magnetic field intensity calculation model; inputting the initial parameter set of all Gaussian splashing particles and the real magnetic field intensity into a Gaussian splashing particle parameter set iterative optimization algorithm, and calculating and predicting the magnetic field intensity through a magnetic field intensity calculation model; and based on the predicted magnetic field intensity, the real magnetic field intensity, the magnetization weight factor vector and the center position vector, constructing a multi-objective loss function and performing iterative optimization to obtain an optimized parameter set and manufacture a passive shimming module. The method solves the problem of low precision and efficiency of compensating a magnetic field with a complex shape.

A device and method for measuring the uniformity of an ice crystal field are disclosed, belonging to the field of ice crystal testing technology. This invention solves the problem of poor uniformity and stability of ice crystal fields in existing technologies. Key technical points include: calibrating the ice crystal field uniformity measuring device; placing the frame of the device against one side of the test area; using an external weighing sensor to measure the mass of the collection bags on both sides of the ice crystal nozzle being tested; and graphically calculating the effective coverage diameter of a single ice crystal nozzle. Based on the axial spacing of the nozzles, the width (X) of the ice crystal field test area, and the height (Y) of the test area, the nozzles are arranged to ensure proper ice crystal distribution in the test area. This invention is used to measure the effective coverage diameter and uniformity of ice crystals ejected from a single nozzle in the test area. The arrangement and spacing of the ice crystal nozzles can be adjusted according to their effective coverage diameter to improve the ice crystal field coverage area of ​​the test area.

The embodiment of the invention provides a flow field optimization method and optimization device of a multi-branch flow channel system and a storage medium, and belongs to the technical field of flow channel flow field optimization. Comprising the following steps: establishing a simulation model of a multi-branch flow channel system; performing flow field uniformity analysis on the simulation model to determine the distribution flow of each branch flow channel of the multi-branch flow channel system; according to the number of branches of the multi-branch flow channel system and the distribution flow and the sectional area of each branch flow channel, the target water inlet area of each branch flow channel is determined; and optimizing and adjusting the distribution flow of each branch flow channel according to the target water inlet area. According to the method, the design process is converted into a systematized and data-driven scientific process, the flow channel design can be quickly and accurately evaluated and optimized by combining model simulation, data processing and an optimization algorithm, homogenization of a cooling liquid flow field in a system is achieved, and then the consistency of a temperature field is guaranteed.

The utility model provides a device for preparing silicon carbide crystals by a liquid phase method with a uniform flow field, which comprises a graphite crucible and a seed crystal rod, a notch is arranged on a top plate of the graphite crucible, the lower end of the seed crystal rod extends into an inner cavity of the graphite crucible from the notch of the graphite crucible and is provided with seed crystals, a graphite column is further arranged in the inner cavity of the graphite crucible, and the graphite column is connected with the seed crystal rod. The axial direction of the graphite column extends in the left-right direction and is located below the seed crystal, the left end and the right end of the graphite column are suspended and supported through graphite supports respectively, and the graphite rotating shaft is driven by a driving mechanism to rotate. Compared with the prior art, the graphite crucible has the advantages that the rotatable graphite column is arranged in the inner cavity of the graphite crucible, and the transversely arranged graphite column can generate an upward stream in the rotating process, so that the convection intensity of the center of raw material melt in the graphite crucible can be enhanced; the problem that the produced silicon carbide crystals are not uniform due to non-uniform doping elements is effectively solved. And meanwhile, the graphite column can supplement a carbon source, so that the service life of the graphite crucible is prolonged.

The invention discloses a satellite-borne FPI wind measurement interferometer device with temperature control, which comprises an external telescope system and an FPI interference imaging system, and is characterized in that the external telescope system receives radiation light and introduces the radiation light into the interference imaging system; the interference imaging system sequentially comprises a collimation system, an optical filter system, an etalon system and an imaging system in the light propagation direction. The collimation system receives radiation light introduced by the external telescope; the etalon system comprises a temperature control structure; the temperature control structure comprises a heat conduction ring wrapping the outer side of an etalon inner cylinder of the etalon system; and a plurality of annular heat pipes for circumferential heat conduction are embedded in the outer surface of the heat conduction ring. The device also comprises a sliding support structure which enables the lens barrel to freely slide along the optical axis direction. The temperature control system has the advantages that optical errors caused by thermal stress are effectively eliminated, thermal stability and thermal field uniformity are remarkably improved, and the temperature control system is simple in structure and high in reliability.

The utility model relates to a steam crosslinking technical field, the utility model provides a kind of steam crosslinking box that improves internal temperature field uniformity, including box, still including the installation slot being opened in the box front wall, the connecting slot is opened in the both sides of the installation slot, the accommodating slot is opened in the both sides of the connecting slot;Box door mechanism, the box door mechanism includes No. 1 box door and No. 2 box door, No. 1 box door and No. 2 box door sliding installation in the installation slot and accommodating slot are connected through connecting slot, No. 1 box door and No. 2 box door are connected by locking assembly and clamping assembly;Sealing assembly, the sealing assembly is provided with two groups, two groups the sealing assembly is set in No. 1 box door and No. 2 box door far from one end;Translation guiding mechanism, the translation guiding mechanism is installed in the bottom end of No. 1 box door and No. 2 box door. By the synergies of box, sealing assembly, locking assembly and clamping assembly, the box is closed, and the internal temperature field uniformity is better guaranteed.

The invention discloses a concrete pouring process monitoring method and system based on multi-source data, relates to the field of intelligent monitoring, and particularly relates to the following steps: carrying out semantic segmentation and positioning on a pouring area and a vibrating rod by using a visible light video, and constructing an accurate space mask; meanwhile, the key vibration frequency is extracted from the vibration signal. On the basis, a vibration phase-locked thermal imaging technology is applied, the vibration frequency is used as a phase-locked reference, and harmonic energy transfer gain characteristics with the same frequency as vibration are extracted from a thermal infrared image sequence. And then temperature field uniformity evaluation is carried out by fusing the spatial position and the energy transfer characteristics, so that quantitative visualization of the concrete pouring quality is realized, and the technical problem that whether quality defects such as voids and pitted surfaces exist in the concrete or not cannot be judged only by means of surface visual characteristics is effectively solved.

The application discloses a kind of control methods of flow field uniformity of immersion liquid cooling cabinet, to solve the problem that temperature uniformity in the liquid pool of immersion liquid cooling cabinet in prior art cannot be accurately and energy-saving controlled, a kind of control methods of flow field uniformity of immersion liquid cooling cabinet, comprising the following steps: S1, detect the temperature of each point in the cabinet, and calculate the average temperature and variance Tf in the cabinet, and obtain the cabinet setting temperature Ts;S2, whether to improve the liquid pump frequency is determined by judging the cabinet setting temperature Ts and the cabinet liquid temperature Tc;S3, judge the temperature difference ΔT and variance Tf in the cabinet, determine the overall uniformity of temperature in the cabinet and whether there is local hot spot;The application accurately identifies local hot spot and the uniformity of temperature in the cabinet by the temperature change in the cabinet, and then judges the operating load of IT equipment, according to the feedback of temperature, carries out accurate heat dissipation control and energy-saving control, improves the stability and reliability of equipment in data center.

The application discloses a traveling wave antenna unit, an array and a method for improving high-field magnetic resonance radio frequency field uniformity, relates to the field of magnetic resonance imaging, and aims to improve high-field magnetic resonance radio frequency field uniformity. The application increases the component of the wave number of the traveling wave antenna unit in the traveling wave transmission line direction in the traveling wave antenna array through physical or chemical means to relieve the radial standing wave effect. The traveling wave antenna unit comprises a layer-by-layer designed metal microstrip, a first bearing substrate, a filling layer substrate, a slotted metal floor, a second bearing substrate and a spacing layer substrate. A feeding port is connected between the first end of the metal microstrip and the slotted metal floor, and a load is connected between the second end of the metal microstrip and the slotted metal floor. The filling layer substrate is a fillable structure. The component in the traveling wave transmission line direction is increased by increasing the relative dielectric constant of the filling medium or changing the slotted structure. The application is simple in design, convenient in operation and does not need additional hardware.

The invention discloses an additive manufacturing trajectory planning method based on isotropic constraint, and relates to the technical field of additive manufacturing and intelligent path planning, and the method comprises the steps: generating a geometric mask; generating discrete layer basic data which can be used for intra-layer diagonal dominant path planning; generating in-layer path data conforming to the geometric constraint of the part and with balanced heat input; obtaining an interlayer path sequence; generating a trimmed in-layer path sequence; generating path data after heat input balance; in combination with the heat input balance path data, generating feature region path data meeting a global tolerance requirement; and automatically adjusting the line spacing, the segment sequence, the starting and ending point distribution and the compensation segment until final trajectory data meeting the isotropic constraint is generated. The method solves the problems of inconsistent three-direction thermal response, residual stress concentration and forming deformation caused by lack of path level isotropic constraint and thermal input balance mechanism in the prior art, and achieves the technical effects of improving forming stability, structural precision and thermal field uniformity.

The invention belongs to the technical field of nuclear medicine and electromagnetism crossing, and particularly relates to a rapid scanning magnet for proton beam homogenization of a boron neutron capture therapy system based on a high-current cyclotron, which comprises a magnet yoke and a magnet exciting coil, wherein the magnet yoke is made of ferrite, the height of the air gap is determined by matching according to the outer diameter of the beam vacuum tube, and the proton beam vacuum tube is a large-diameter beam channel determined by taking the inner diameter of the proton beam vacuum tube as a target to meet the requirements of proton beam scanning targeting, beam halo expansion and collimation error; the two groups of excitation coils are respectively arranged on two opposite magnetic pole surfaces in the magnetic window and are positioned on the two sides of the air gap; the proportion of the magnetic pole face width and the air gap height of the magnet yoke and the size and the space layout of the magnet exciting coil meet the condition that the integral field uniformity deviation in a good field area is smaller than 1%. The problems of high temperature rise, slow magnetic field response and integral field uniformity degradation caused by an eddy current effect of a scanning magnet under a rapid excitation condition in an existing BNCT system can be solved.

The application discloses a coaxial and same-disc optical fiber winding method and device, relates to the technical field of optical fiber processing, and specifically comprises the following steps: firstly, variable-curvature topological optimization design is carried out, parameter collection is carried out to determine constraints, and an arrangement scheme is output; then, winding path segmentation planning is carried out, a corresponding relationship is established to determine a path; then, double-stage torque closed-loop winding is carried out; when multiple optical fibers are wound on the same disc, field uniformity synchronous adaptation is carried out; finally, in the operation, circle layer-by-layer verification balancing locking is carried out, verification is completed according to an algorithm, and after completion, optical fiber full-length torque balancing locking is carried out; the application avoids bending stress concentration through variable-curvature topological optimization design, reduces residual winding torque by cooperating with double-stage torque closed-loop winding, and improves the mechanical stability of single optical fiber winding through circle layer-by-layer torque verification; in addition, through multi-optical fiber field uniformity synchronous adaptation, multi-optical fiber same-disc winding standardization and synchronization are realized, complete closed loops are formed through linkage of various modules, and operation efficiency and product quality are improved.

The application discloses a kind of packaging bag forming die temperature field uniformity intelligent control system, and the present application relates to the temperature control technical field of packaging bag hot-press forming die, comprising: mould base, its inside is provided with matrix type micro heating element array and embedded heat pipe array, the matrix type micro heating element array is arranged along the below of mould forming surface in row and column.This packaging bag forming die temperature field uniformity intelligent control system, by the cooperation of heat directional drainage and instruction safety screening, so that mould forming surface each area temperature can be smoothly approached target value without overshoot and reciprocating oscillation in continuous hot-press forming process, effectively eliminates the temperature field dynamic mismatch phenomenon caused by partition thermal coupling and time lag effect, and then makes packaging bag sealing width keep uniform in full width, composite layer peeling force fluctuation range narrows, local heat shrinkage deformation incidence reduces.

The invention provides a permanent magnet gradient coil assembly, which relates to the field of gradient coils, and adopts the scheme that the permanent magnet gradient coil assembly comprises a gradient coil body layer, a direction pointing to an imaging center is upward, a radio frequency emission layer is arranged at the upper part of the gradient coil body layer, and an upper epoxy plate is arranged at the upper part of the radio frequency emission layer; a first shielding layer is arranged between the gradient coil body layer and the radio frequency emission layer, and a lower epoxy plate is arranged at the lower part of the gradient coil body layer. According to the invention, the distance between two poles of the system magnet can be reduced, energy consumption is reduced, and field uniformity is maintained.

This invention discloses a high-frequency structure and field uniformity optimization method for an S-band multi-beam klystron. By coupling a radial line and a coaxial line at the middle of the right side of the inner wall of the output coaxial resonant cavity to form an axisymmetric structure, and by adjusting the width of the radial line and the inner and outer diameters of the coaxial line, the operating mode frequency and external quality factor meet the requirements, thus obtaining an output coaxial resonant cavity with field uniformity. This ensures that almost every beam in the multi-beam klystron experiences equal modulation, naturally suppressing the generation of reflected electrons in the output resonant cavity and significantly improving the device's performance.

The application discloses a process airflow regulation and laser light emission timing coordination optimization method for large-format laser powder bed fusion, and belongs to the technical field of laser additive manufacturing. The method establishes a "perception-decision-execution" closed loop process: 9 sensing units are arranged in the forming cabin to collect airflow data in real time, and the CFD digital twin model is combined to calculate the flow field uniformity index, stability index and vortex position; based on the real-time flow field characteristic parameters, the global synchronization, grouping order, active avoidance or adaptive optimization mode is dynamically selected from the timing strategy library, wherein the active avoidance rule is effective throughout the process; the timing scheme is converted into laser control instructions, and multiple laser light emission is executed cooperatively. Through the space-time active coordination of the airflow field and the heat source, the application improves the cooling condition consistency of large components, promotes the uniformization of organization and performance, and is suitable for various materials such as titanium alloy, high-temperature alloy and aluminum alloy.

The application discloses a variable-momentum-gradient-based diffuser design method, and relates to the diffuser design field.The method comprises the following steps: a one-dimensional flow analysis model containing mass, momentum and energy conservation equations is established; a variable-momentum-gradient target function along a flow direction is specified, and the target function is defined as the spatial variation rate of fluid momentum along the flow direction; the target function is coupled with the mass conservation equation, and a closed equation set is solved iteratively in combination with a boundary condition to obtain the variation law of the diffuser cross-sectional area along the flow direction; and a profile curve is generated according to the variation law, and is iteratively optimized through three-dimensional numerical simulation.The application directly couples the flow field regulation target to the geometric profile design process, realizes active control on the boundary layer growth and pressure distribution, can effectively inhibit flow separation, improve the pressure recovery coefficient and the outlet flow field uniformity, and has the advantages of short design period and wide application range.

A swath imaging system may include an illumination source configured to illuminate a sample with an illumination beam, a stage to scan the sample with a scan pattern including swaths extending along a scan direction when implementing the inspection recipe, one or more TDI sensors configured to capture swath images of the sample, and a controller. The plurality of swaths may be distributed along a step direction orthogonal to the scan direction, and at least some of the plurality of swath images overlap along the step direction. The controller may implement the inspection recipe by receiving the plurality of swath images, combining the plurality of swath images into a uniformized image where overlapping portions of the plurality of swath images are combined within the uniformized image, and generating one or more measurements of the sample based on the uniformized image.

The invention discloses a spiral underground movable transducer array for shale oil exploitation and a resonance action method, and belongs to the technical field of unconventional oil and gas field development engineering. According to the array, a plurality of transducer units are spirally arranged around a bearing center shaft at radius and axial intervals, and coherent control is adopted to realize energy focusing and circumferential uniform coverage of rotation phase wavefront. A structure-field-response multi-field coupling model and closed-loop control and parameter optimization taking the model as a core are established, and the influence of temperature and pressure conditions on attenuation is considered. The result shows that the field uniformity is improved by about 60%, the effective action radius reaches 20-30 m, the weakening amplitude is 45% + / -3%, parameter synergy is formed with hydraulic fracturing, the pumping pressure is reduced by 20%-25%, and the interlayer penetration rate gt is achieved; 80%. The device is compact in structure, adjustable in parameter, movable and reusable, and suitable for pretreatment and collaborative fracturing of unconventional oil and gas reservoirs.

A swath imaging system may include an illumination source configured to illuminate a sample with an illumination beam, a stage to scan the sample with a scan pattern including swaths extending along a scan direction when implementing the inspection recipe, one or more TDI sensors configured to capture swath images of the sample, and a controller. The plurality of swaths may be distributed along a step direction orthogonal to the scan direction, and at least some of the plurality of swath images overlap along the step direction. The controller may implement the inspection recipe by receiving the plurality of swath images, combining the plurality of swath images into a uniformized image where overlapping portions of the plurality of swath images are combined within the uniformized image, and generating one or more measurements of the sample based on the uniformized image.

The invention discloses a method for regulating and controlling the residual stress of a tellurium-cadmium-mercury epitaxial film, which is characterized in that the temperature difference in a film placement area is controlled by carrying out simulated temperature measurement and temperature field correction on a heat treatment system, the uniformity of a high-temperature field in a film surface in a heat treatment process is ensured, and the introduction of extra stress caused by non-uniform temperature field in the heat treatment process is inhibited. Through the design of the step heating process and the step cooling process, the real-time temperature field uniformity in the heating process and the cooling process is guaranteed, and introduction of additional stress is avoided; residual stress in the epitaxial growth process is effectively eliminated through the constant-temperature heat treatment step; through thin film edge scratching, an edge stress concentration area caused by faster heat dissipation of the thin film edge in the cooling process is removed. According to the method, the residual stress in the epitaxial film can be effectively removed, meanwhile, new stress is effectively prevented from being introduced in the heat treatment process for removing the stress, and development and production of high-quality tellurium-cadmium-mercury materials and high-performance infrared detectors are supported.

The invention relates to the technical field of electromagnetic testing, in particular to a complex electromagnetic environment generation method based on multi-source data fusion, and the method comprises the steps: carrying out the preprocessing of multi-source electromagnetic data collected by an unmanned plane, so as to output a fusion feature set capable of reflecting an electromagnetic situation; inputting the fusion feature set into an initial model for training to obtain an electromagnetic environment generation model, inputting a preset scene condition into the electromagnetic environment generation model to generate an electromagnetic environment sample, and optimizing the electromagnetic environment generation model according to the electromagnetic environment sample and an actual scene condition; determining whether the conditional constraint weight of the electromagnetic environment sample needs to be increased or not; determining whether a field uniformity correction coefficient generated by the electromagnetic environment needs to be increased; and determining a multi-source electromagnetic data transmission frequency hopping rate based on the multi-source electromagnetic data signal-to-noise ratio. According to the invention, the generation authenticity of the complex electromagnetic environment is improved.

The application discloses a kind of chaotic injection bath smelting multi-physics field coupling optimization methods based on machine learning, comprising: based on the distribution of two-mode adaptive chaotic switching mechanism regulation injection gas flow, according to the bubble number density fluctuation rate of real-time monitoring electrical resistance tomography adaptive selection chaotic mode;ERT is used to monitor the bath, and the distribution of multi-physics field is reconstructed by Tikhonov regularization, and key parameters such as flow field uniformity coefficient, bubble number density, bubble average equivalent diameter and slag layer thickness are extracted;Physical information constrained deep generative adversarial network is constructed, and fluid mechanics conservation equation is embedded into generator loss function for adversarial training;According to the deviation of model prediction result and preset threshold, PID control law adjusted by particle swarm optimization is used to dynamically adjust injection parameters.The application realizes the intelligent matching of chaotic injection strategy and actual state of bath, breaks through the working condition adaptability limitation of single chaotic mapping, and significantly improves smelting efficiency and furnace condition stability.

This invention provides a method for evaluating the uniformity of the flow field in a wind tunnel test section, belonging to the field of wind tunnel construction technology. This invention acquires three-dimensional full-field instantaneous velocity data and wall shear stress distribution, and uses the Stoer-Wagner minimum cut algorithm based on the edge weight function of velocity gradient and turbulence intensity to divide the flow field into a high-uniformity core region and a low-uniformity boundary region. A transition prediction model based on the Monte Carlo method is established to quantify the random influence of wall roughness. The uniformity of the flow field is determined based on velocity uniformity indices, turbulence indices, and flow deflection angle indices, and the contraction section profile parameters and rectifying grid configuration parameters are iteratively optimized. This solves the technical problem of inaccurate flow field boundary identification caused by the lack of a three-dimensional full-field real-time measurement and numerical simulation collaborative verification mechanism in the evaluation of the flow field uniformity in wind tunnel test sections.

The application discloses a simulation method for the corresponding relationship between the semi-spiral suction chamber baffle tongue position and the flow field, and relates to the technical field of double-suction pump design and numerical simulation. The application establishes the mapping relationship model of the baffle tongue position and the flow field characteristic parameter by constructing the three-dimensional flow channel model of multiple groups of baffle tongue reference position parameters, combining multi-working condition simulation and quantitative analysis, accurately capturing the vortex generation law, turbulent dissipation and pressure fluctuation characteristics of the baffle tongue area, and determining the optimal baffle tongue parameter interval in combination with the flow field uniformity and the energy loss minimization principle, thereby effectively reducing flow loss, reducing vortex intensity and energy dissipation, and improving flow field uniformity, so as to improve pump efficiency, inhibit vibration noise and cavitation phenomenon. The adaptive grid encryption, multiphase flow cavitation model and test verification mechanism are adopted, and the mapping model is corrected in combination with the measured data, so that the optimization result can directly guide the baffle tongue design under different working conditions, the research and development cycle is significantly shortened, and the physical test cost is reduced.