52results about How to "Avoid volume" patented technology

The invention discloses a method for preventing a high-carbon tool steel hot rolled steel coil from being flattened, which comprises the following steps of: providing a continuous casting slab which comprises the following components in percentage by mass: 0.65 to 1.35 weight percent of C, 0 to 1.6 weight percent of Si, 0 to 1.2 weight percent of Mn, 0 to 1.2 weight percent of Cr, less than or equal to 0.030 weight percent of P, less than or equal to 0.030 weight percent of S and the balance of iron and inevitable impurities; the charging temperature of the continuous casting sheet billet is larger than or equal to 300 DEG C, the continuous casting sheet billet is fed into a heating furnace to be heated, the discharging temperature of the continuous casting sheet billet is 1150-1250 DEG C, and a first sheet billet is obtained; the first plate blank is subjected to rough rolling, the rough rolling and finish rolling temperature ranges from 1050 DEG C to 1150 DEG C, and an intermediate blank is obtained; the intermediate billet is subjected to finish rolling, the finish rolling temperature of finish rolling is 800-950 DEG C, and finish rolled steel is obtained; laminar cooling is conducted on the finish-rolled steel in a front-section centralized cooling mode, final fine adjustment water and front and rear side spraying of laminar cooling are closed, the temperature of the finish-rolled steel is reduced to the first target temperature to the phase transformation point, and cooled steel is obtained; and the cooled steel is coiled at the temperature of 590-690 DEG C, the coiling tension is increased by 10%-20% in the coiling process, and a hot rolled steel coil of the high-carbon tool steel is obtained.

The utility model relates to the technical field of gas safety valves, and discloses a simple safety valve which comprises a valve body, a valve cover, a valve element, a rotating shaft, an elastic reset piece, an electromagnetic valve assembly, an ejector rod and a gas outlet pipe assembly. The valve body is provided with an air inlet, a valve element cavity and a ventilation cavity. The distance between the central axis of the air inlet and the end face of the valve cover is L; the distance L is 23 to 33 mm; the air outlet pipe assembly comprises a first air outlet pipe section; the distance between the central axis of the air inlet and the central axis of the first air outlet pipe section is D, and the distance D ranges from 10 mm to 18 mm. The simple safety valve has the advantages of being compact in structure and small in size design, the size range of key components is accurately controlled, the design layout is optimized, the compactness of the structure is guaranteed, and the situation that the structure is unstable and the size is too large due to the fact that the distance is too long is avoided. Meanwhile, factors such as manufacturing cost and installation convenience are fully considered in determination of the distance ranges, so that the safety valve has better applicability in practical application.

The invention discloses a preparation method of a spherical lithium manganese iron phosphate positive electrode material with high compaction density, relates to the technical field of preparation of a lithium battery positive electrode material, and aims to improve the compaction density of the lithium manganese iron phosphate positive electrode material through low-cost, simple and controllable steps. The preparation method comprises the following steps: grinding and refining a lithium source, a phosphorus source, an iron source, a manganese source and a carbon source to obtain a primary precursor with a micro-nano size; slowly adding a flocculating agent into the primary precursor slurry, dividing the primary precursor slurry into at least two parts, respectively centrifuging at different rotating speeds, and mixing each part of centrifuged slurry to obtain high-solid-content precursor aqueous slurry with different particle size distributions; adjusting the viscosity of the precursor water-based slurry by using a thickening agent until the viscosity meets the granulation requirement, and then carrying out secondary granulation treatment to obtain spherical precursor powder; and in a protective gas atmosphere, calcining the powder, and cooling to obtain the high-compaction-density lithium manganese iron phosphate material. The method is simple and easy to control, low in cost, high in production efficiency and good in product compaction density.

The invention belongs to the technical field of batteries, and discloses a high-nickel oxide positive electrode material with a two-phase symbiotic structure and a preparation method, the unique two-phase symbiotic structure can effectively inhibit the violent change of the unit cell volume in the charging and discharging process, and the mechanical stability of the material is improved; a spinel structure is controllably constructed in advance, so that the reaction activity of the material can be effectively reduced, and the thermodynamic stability is improved, thereby inhibiting uncontrollable interface side reaction, oxygen release and irreversible phase change; due to the nanocrystallized particle morphology, faster lithium ion transmission can be realized, and the rate capability of the material is improved; the one-step spray pyrolysis method has the advantages of simple process, rapid reaction, no need of complex steps of coprecipitation, filtration, washing, crushing, calcination and the like, no generation of wastewater, great improvement of the production efficiency and reduction of the cost.

The embodiment of the invention provides a communication sensing method and communication equipment. The method comprises the following steps: acquiring a sensing signaling; determining a first group of antennas and a second group of antennas in an antenna array based on the sensing signaling; wherein in the sensing time domain unit, the first group of antennas are used for sending sensing signals, and the second group of antennas are used for receiving reflected sensing signals; in a communication time domain unit, the antennas in the antenna array are all used for communication beam forming.

The application discloses a method for preparing a carbon fixation material from magnesium slag, and the carbon fixation material, and belongs to the technical field of solid waste resource utilization. The method comprises the following steps: mixing magnesium slag and calcareous raw materials to obtain a compound material, wherein the molar ratio of calcium to silicon in the compound material is (2.3-2.7):1; forming the compound material into a green body; preheating the green body at 200-600 DEG C, calcining the green body by increasing the temperature to 1150-1450 DEG C, and cooling the green body by decreasing the temperature to 400-600 DEG C, thereby obtaining the carbon fixation material. The method can reduce the content of beta-C2S in the magnesium slag, increase the content of gamma-C2S, effectively stabilize heavy metal ions, and reduce the generation of volatile gases such as ammonia, thereby significantly improving the long-term stability and environmental safety of the material on the basis of ensuring the carbonation reaction activity.

This utility model discloses an integrated noise reduction component for energy storage cabinets, including an exhaust noise reduction duct and a cabinet door. The exhaust noise reduction duct is connected to the cabinet door, which includes an outer frame and a door frame. The outer frame is fixed to the energy storage cabinet body, and the door frame is connected to the inner side of the outer frame via hinges. A crossbeam is connected to the middle of the door frame, and a connection hole is formed between the upper end of the door frame and the crossbeam. A sealing plate is connected between the lower end of the door frame and the crossbeam. The connection hole communicates with the air inlet of the exhaust noise reduction duct. Multiple parallel sound-absorbing panels are installed inside the exhaust noise reduction duct. This utility model solves the problems of high noise, large size, and difficult maintenance of existing energy storage cabinets. By connecting the exhaust noise reduction duct to the cabinet door, the exhaust noise reduction duct does not affect the internal layout of the cabinet, and the opening of the cabinet door facilitates maintenance of the cabinet interior.

The application discloses a kind of coronary angiography three-dimensional reconstruction method and system, it is related to medical image processing technical field, including: obtaining multi-angle coronary DSA angiography projection image and executing pre-processing, extract blood vessel initial center line and both sides initial contour, calculate each section contrast agent relative concentration, combined with blood vessel local curvature, concentration difference sign change and anatomical feature adaptive segmentation blood vessel section, filter reliable reference side and generate mirror virtual contour, calculate three kinds of contour deviation, construct multi-constraint objective function and correct center line section by section, integrate corrected center line and fit lumen parameter, solve blood vessel feature point three-dimensional coordinate and complete three-dimensional reconstruction.The application has the advantages that: effectively suppress the center line deviation caused by contrast agent concentration uneven, consider correction accuracy and blood vessel form continuity, the size of three-dimensional model output is accurate, topological correct, can be directly used for clinical quantitative diagnosis and interventional operation planning.

The application discloses a low-vibration active phase modulation composite pulse tube Stirling cryogenic refrigerator and belongs to the technical field of cryogenic refrigerators. The composite refrigerator cold finger integrates a first Stirling component as a high-temperature stage and a second pulse tube component as a low-temperature stage. The innovation is that the phase modulation unit of the second pulse tube component is composed of a second inertia tube wound and fixed in the inner circle of the gas reservoir, and the gas reservoir is integrally connected to the first cold end heat exchanger to improve the system efficiency through low-temperature arrangement. At the same time, the motion state of the compressor piston and the first displacer is monitored and cooperatively controlled in real time through the compressor displacement sensor and the cold finger displacement sensor, active and accurate phase modulation is realized, and the active vibration damper is used to perform reverse compensation according to the motion feedback of the first displacer to significantly offset the vibration output of the whole machine. The application realizes the unity of high efficiency, low vibration and high reliability, and is particularly suitable for vibration-sensitive space exploration and other application scenarios.

The invention provides a power supply system, and the system comprises an energy storage module which is provided with a grid-connected voltage output end and an off-grid voltage output end; the voltage transformation module is used for performing voltage transformation on the input initial voltage and outputting the transformed target voltage to the power supply end of the power supply system; the first switch module is used for controlling the voltage output by the grid-connected voltage output end of the energy storage module to be input into the voltage transformation module or controlling the voltage output by the off-grid voltage output end of the energy storage module to be input into the voltage transformation module; and the second switch module is used for controlling whether the voltage of the power grid is input to the power supply end of the power supply system. In the grid-connected power supply mode and the off-grid power supply mode of the energy storage module, the same voltage transformation module is adopted for voltage transformation, so that the technical problems that the size of a power supply system is increased and the cost is increased due to the fact that transformers need to be arranged at the grid-connected voltage output end and the off-grid voltage output end of the energy storage module respectively are solved.

This invention discloses a coupling and separation network for composite signal transmission, relating to the field of composite signal transmission. The coupling and separation network includes: a boost module for boosting an AC drive signal; a drive transmission module for transmitting the boosted AC drive signal and outputting it to a parallel resonant module via a cable; and a parallel resonant module for ensuring that the voltage and current on the coaxial cable are in phase. The boost module is connected to the drive transmission module, which in turn is connected to both the parallel resonant module and the boost module. This coupling and separation network drives three types of signals. Compared with existing technologies, the advantages of this invention are: it avoids the problems of relay mechanical reliability and transient interference caused by switching during composite signal transmission, and it utilizes a transducer-matched inductor to achieve high-voltage, high-power, low-frequency signal filtering, avoiding the size and weight costs associated with additional components.

The present application relates to the field of high polymer bonding method, and discloses a kind of in-situ bonding method of decorative film layer and soft glue base material, comprising: the decorative layer with latent reaction layer in back is placed in situ interface reaction field;Initial high polymer bonding matrix is introduced and maintained non-isothermal enthalpy relaxation state to retain free chain segment kinetic activity;Chemical potential gradient is used to induce component migration to interface and form enrichment layer;Secondary heat pulse is applied to induce reaction group and latent reaction layer to covalently bond to construct interpenetrating network;Secondary high polymer bonding matrix is introduced to drive chain segment penetration using hydrostatic pressure, the present application realizes interface chemical reconfiguration by component directional migration, eliminates thermodynamic repulsion effect, changes interface failure mode into bulk cohesive failure, and enhances stability under severe working conditions.

The invention relates to the technical field of craniocerebral injury biomechanical analysis, discloses a semi-automatic craniocerebral injury index CSDM extraction method, and aims to improve CSDM extraction efficiency, applicability and flexibility. The method comprises the following steps: a brain tissue area display state pre-selection step: importing a head model simulation result file into post-processing software, screening and retaining brain tissue entity unit components, hiding irrelevant components and recording parameters; a strain and volume frame-by-frame output step: compiling an automatic script based on a post-processing software secondary development function to realize frame-by-frame output of unit data; and an automatic operation step: automatically calculating the CSDM value of each frame based on the output file through a Matlab calculation program. According to the method, the problems that manual extraction is low in efficiency and prone to errors and a full-automatic method is poor in universality are solved through a manual preprocessing and automatic calculation fusion mode, and the method is suitable for various head models and supports craniocerebral injury mechanism research and clinical assistance.

The invention relates to the technical field of air conditioners, and discloses an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises a shell provided with an air channel; the air supply fan assembly comprises air supply fan blades which are arranged in the air duct and used for indoor air supply; the first fan assembly comprises a first fan blade and a first motor which are connected with each other, the first fan blade is arranged in the air duct, and the first fan blade and the air supply fan blade are correspondingly arranged; the controller is connected with the first motor and is configured to control the first motor to be switched between a power generation mode and an electric mode; when the first motor is in the power generation mode, wind generated by rotation of the air supply fan blades drives the first fan blades to rotate, so that the first motor generates power; when the first motor is in the electric mode, the first motor drives the first fan blades to rotate so as to supply air indoors. Therefore, redundant air generated in the air supply process of the air supply fan blades can be used for generating electricity, the utilization rate of air in the indoor unit air duct can be increased, and energy loss is reduced. The invention further discloses the air conditioner.

The purpose of the present invention is to smoothly guide a fishing line while suppressing the height and volume of a fishing line guide. The present application is provided with an annular part (10) having an annular guide surface (20) for guiding a fishing line, and an attachment part (11) which supports the annular part (10), extends in the axial direction of a rod body (2), and is attached to the rod body (2), the annular guide surface (20) having a first guide surface (31) along a first arc (41a) of a first circle (41), and a second guide surface (32) along a second arc (41b) of a second circle (41), the first guide surface (31) is provided on the mounting part (11) side of the first guide surface (31) and is defined by a first radius centered on a first center (41b) located within the annular part (10), and the second guide surface (32) is provided on the mounting part (11) side of the first guide surface (31) and along a second arc (42a) of the second circle (42), and the second circle (42) is defined by a second radius centered on a second center (42b) and larger than the first radius.

This invention provides an electronic card cooling device with a multi-dimensional extended structure. Through a collaborative design of a two-dimensional planar array and a three-dimensional cascade, it significantly increases the effective working volume of the electronic card material within a limited space, thus laying the structural foundation for improved cooling capacity. Based on this, the cooperation between the magnetic drive unit and the mechanical linkage module enables stable and rapid reciprocating motion of the electronic card components between the hot and cold ends. Furthermore, the timing delay control of the circuit control system further ensures precise synchronization between the temperature change cycle of the electronic card effect and the mechanical motion cycle, allowing the electronic card material to absorb heat when in contact with the hot end and release heat when in contact with the cold end, avoiding energy loss. This invention, by simultaneously expanding the number of electronic card materials and components in two-dimensional and three-dimensional space, achieves a spatial dimension multiplication of cooling capacity, maximizing the cooling effect in space-constrained scenarios, and providing an effective solution to overcome the bottlenecks of existing electronic card cooling technologies.

The utility model relates to the technical field of power semiconductor modules, in particular to a low-power-consumption power semiconductor module and a power terminal, which comprises a power input part, a power transmission part and a power output part, and the input end and the output end of the power transmission part are respectively connected with the power input part and the power output part; the power transmission part is of a hollow structure; the wall thickness of the power transmission part is 1-2 mm. By adopting the scheme, on the premise of controlling the cost, the effective current sectional area of the power terminal can be enlarged, and the increase of effective resistance caused by a skin effect is reduced, so that the power loss is reduced, and the performance of the semiconductor module is improved.

The utility model discloses a household garbage flash mineralization treater, which relates to the technical field of household garbage treatment, and adopts the technical scheme that the household garbage flash mineralization treater comprises a flash box and a discharge part, an air outlet pipe is arranged at the top of the flash box, an air outlet is formed in the tail end of the air outlet pipe, a garbage treatment mechanism is arranged on one side of the flash box, and the garbage treatment mechanism comprises a treatment box; a feeding part is arranged on the upper portion of the treatment box, a motor is fixedly arranged on one side of the treatment box, the output end of the motor is connected with one end of a first rotating shaft, the other end of the first rotating shaft is slidably connected with a first rolling bearing, a first mounting plate is fixedly arranged on one side of the first rolling bearing, and a driving gear is connected to the outer side of the first rotating shaft. The device has the advantages that the first mounting plate, the second mounting plate and the third mounting plate are all arranged on the inner side of the treatment box and cannot be exposed to the external environment, the possibility that the device is damaged by external factors is avoided, and the service life of the device is prolonged.

The application relates to a flexible charging module control method and device supporting V2G, comprising the following steps: determining whether there is a hard switching risk according to the comparison result of the load power value and the preset threshold value; in the case that there is a hard switching risk, adjusting the resonant frequency of the CLLL topology to the first frequency interval based on a frequency-duty cycle hybrid modulation strategy, making the resonant current phase and the switch tube voltage phase form a preset phase difference, and adjusting the drive signal duty cycle of the primary side switch tube and the secondary side switch tube, so that the conduction time difference of the primary side switch tube and the secondary side switch tube increases with the decrease of the load power value; based on an adaptive frequency spectrum expansion algorithm, the resonant frequency is periodically dithered in the first frequency interval with a preset step, and the dithering period and the switching period of the switch tube are in a nonlinear mapping relationship; the bidirectional power conversion efficiency is improved, the light load hard switching and electromagnetic interference problems are solved, and the reliable operation of the charging module in the V2G scene is ensured.

This invention relates to the field of printing coating preparation technology, and discloses a printable gold coating composition based on resin gold salt. The preparation method includes the following steps: turpentine oil and sulfur powder are stirred and mixed, refluxed at 110-130℃ for 2-4 hours, and after the reaction, the mixture is cooled and filtered to obtain sulfurized balsam, which is stored in the dark for later use; the sulfurized balsam is reacted with chloroauric acid solution to prepare sulfurized balsam gold; a composite resin acid salt additive and a portion of the solvent are ultrasonically premixed, and then the sulfurized balsam gold, a high-molecular organic carrier, and the remaining solvent are added sequentially, stirred, and degassed and aged using a planetary gravity mixer to obtain a printable gold coating composition based on resin gold salt. The obtained gold coating composition possesses good printability, conductivity, surface smoothness, and decorative properties, and is suitable for various coating methods such as screen printing and pad printing, forming a thin and continuous conductive gold film, meeting the industrial preparation requirements of ceramic-based sensor electrodes.

The application discloses an organic-inorganic composite structure for storing metal lithium and a preparation method and application thereof, relates to the technical field of battery materials, and comprises an organic film containing a polymerized ionic liquid and a three-dimensional inorganic frame structure, wherein the organic film is formed by compounding a polymerized ionic liquid, a lithium salt and an organic polymer; the polymerized ionic liquid is formed by photo-polymerization or thermal polymerization of an ionic liquid monomer composed of an imidazole ring cation containing a polymerizable functional group with a carbon-carbon double bond or a triple bond and a functional anion; and the mass ratio of the precursor monomer of the polymerized ionic liquid to the organic polymer is 1:1-1:10. The organic-inorganic composite structure for storing metal lithium and the preparation method and application thereof can provide deposition storage space for metal lithium, effectively inhibit lithium dendrite growth and volume expansion, and improve the internal structure stability and safety in the battery cycle process.

This invention relates to the field of lithium battery technology, and in particular to a method for preparing a lithium-ion battery cell. The invention discloses a method for preparing a lithium-ion battery cell, comprising: first, preparing a positive electrode slurry containing modified titanium aluminum carbide, graphene oxide, etc., and a negative electrode slurry containing aminated carbon nanotubes, zinc aluminum spinel, etc., both processed according to specific proportions and processes; second, coating the positive and negative electrode slurries separately onto a current collector, and obtaining positive and negative electrode sheets through drying, coating with a coating agent, etc.; next, preparing a composite separator coated with a separator coating agent and curing it; finally, winding the separator in a positive-separator-negative-separator sequence, and obtaining a lithium-ion battery cell through drying, encapsulation, electrolyte injection, formation, etc.

A wafer transfer fork arm includes a fork arm body, a support column, and a piston cap. The fork arm body has a main air passage inside, and a chamber is formed on its bearing surface. The support column is disposed within the chamber and has a column air passage communicating with the main air passage. The piston cap is fitted around the outer periphery of the support column, and its sidewall has air holes. The piston cap is configured to move along the support column between an adsorption position and a cleaning position. This application utilizes the air holes on the sidewall of the piston cap, the column air passage of the support column, and the main air passage of the fork arm body to form a single air path. Based on this single air path, cleaning and adsorption operations are achieved by switching between negative and positive pressure, solving the problems of traditional dual-air path solutions.

This invention belongs to the field of environmentally friendly fuel technology, specifically relating to a method for preparing a green, low-carbon, and highly efficient modified fuel for alcohol-hydrogen engines. This invention comprehensively improves fuel performance through a progressive synergistic architecture of a bio-methanol platform – an oxygen-containing combustion-promoting system – a stability barrier – and a low-energy-consumption blending path. Using bio-methanol as a base, it optimizes combustion by compounding with oxygen-containing components such as 2-MTHF and DMM / MF, achieving rapid ignition, emission reduction, and noise reduction. Phase behavior is regulated by isobutanol and polyether-modified silicon, achieving a reversible and stable phase without the need for high-HLB surfactants, preventing deposition and gas lock. A four-fold protective barrier is constructed using GMO and fluorinated silica polyethers, combined with antioxidant synergy to achieve corrosion resistance and aging resistance. The process adopts a sequential design of front-end purification – mid-stage two-phase construction – and end-stage static mixing, achieving low-energy homogenization and ensuring storage, transportation, and operational stability.

The invention belongs to the technical field of lithium ion battery positive electrode materials, and discloses a lithium manganese iron phosphate material with a solid-hollow composite structure and a preparation method thereof.The preparation method adopts a step-by-step reaction and co-sintering method, and comprises the steps that firstly, heterogeneous nucleation is achieved through the solubility product difference of manganese phosphate to form a hollow lithium manganese phosphate precursor; subsequently adding an iron source, a titanium source and other raw materials, and performing spray drying and inert atmosphere sintering to construct a composite structure of solid particles and hollow particles; the lithium manganese iron phosphate material with the solid-hollow composite structure has the characteristics that solid particles provide mechanical support, hollow microspheres increase ion conduction channels and a compact structure formed by a three-dimensional network, and the compaction density gt of a pole piece is realized; 2.5 g / cm < 3 > and 2C rate capacity retention rate gt; and the method has important new energy automobile and large-scale energy storage industrialization application value.

The utility model discloses a warning board for electric power overhaul, which comprises a warning board mechanism, a fixing mechanism and a limiting mechanism, the fixing mechanism is fixedly connected to the right side of the warning board mechanism, the limiting mechanism is fixedly connected to the inside of the fixing mechanism, the warning board mechanism comprises a supporting frame, a warning board body is slidably connected to the inside of the supporting frame, and the warning board body is fixedly connected to the inside of the supporting frame. The warning board comprises a warning board body, a replaceable warning board is arranged in the warning board body, the fixing mechanism comprises a transmission box, a moving rod is slidably connected into the transmission box, the bottom of the moving rod penetrates into the transmission box, a fixing block is fixedly connected to the top of the moving rod, and the left side of the fixing block is fixedly connected with the right side of the warning board body. According to the utility model, the function of conveniently storing the warning board is added, so that the warning board can be quickly stored so as to be convenient to carry, and the situation that the warning board is generally large in size and not easy to store is prevented.

The present invention belongs to the technical field of battery materials, and discloses a preparation method and application of a composite solid electrolyte of polymer-coated sulfide. The preparation method of the composite solid electrolyte comprises the following steps: passing a polymer solution into a liquid nozzle of a 3D printing device; passing a sulfide into a powder nozzle of a 3D printing device; spraying the polymer solution onto an electrode through the liquid nozzle of the 3D printing device to form a grid-like polymer film; dispersing the sulfide into the gaps of the polymer film through the powder nozzle of the 3D printing device; printing the polymer film and the sulfide layer by layer in a pulse printing manner; and rolling to obtain a composite solid electrolyte. The composite solid electrolyte is applied in a solid-state battery, which is beneficial to improving ionic conductivity and cycle stability.

The application discloses a compound based on a PROTAC strategy and a preparation method, a pharmaceutical composition and application thereof, discloses a compound with AR / AR-V7 protein degradation activity and a preparation method, a pharmaceutical composition and application thereof. The structure of the compound is as shown in the formula I. The compound can effectively degrade AR / AR-V7 proteins in vivo and in vitro, has a significant antitumor effect, has no obvious toxic side effects, and can be used for treating castration-resistant prostate cancer. The preparation method of the compound is simple and easy to operate, and is beneficial to structural expansion.

A fluid and solid contact interface simulation method based on flow-solid interface coupling dynamic mesh, the initial mesh of the target geometric model is divided, and the flow field, temperature field and interface evolution driving field are solved according to the initial conditions and boundary conditions, after the theoretical displacement amount of the mesh node in each time step is obtained, based on the interface coupling dynamic mesh (ICDM) method, the local real normal displacement scalar is sequentially executed node state lock protection, equivalent normal projection and parallel synchronous processing; then through the grid node movement, the grid coordinates are updated and the flow field, temperature field and interface evolution driving field are re-solved on the updated grid to obtain a new round of node displacement, and whether the simulation reaches the preset time or the deformation target is judged; finally, the final interface topography, grid node coordinates, grid quality, flow field distribution, temperature field distribution, pressure field distribution and / or heat exchange performance parameters are output. The present application can realize the synchronous iterative update of the deposition behavior and the temperature field and even the flow field, dynamically reflect the influence of deposition on the heat exchange performance, thereby greatly improve the simulation accuracy and physical consistency and be suitable for the subsequent machine learning reverse design of a large number of structure parameters and heat exchange performance samples.

The application discloses a beam-controllable dual-frequency dual-circularly polarized antenna system based on linear polarization regulation. In view of the defects that the existing direct circular polarization reconfigurable unit is complex in design, limited in bandwidth, or the linear polarization regulation needs an external separate polarization converter, resulting in a bulky system, the application adopts a function decoupling architecture: a feed source is used for radiating dual-frequency dual-linear polarization signals; a beam regulation structure independently regulates the phase of the signals keeping the linear polarization state under the control of an electric control module; a polarization conversion structure is arranged on an exit path, and the regulated dual-linear polarization signals are respectively converted into dual-circular polarization signals with opposite rotation directions. In a reflective architecture, the polarization conversion structure and the feed source are spatially coplanar and integrated, eliminating physical obstruction; in a transmissive architecture, the two are stacked. The application retains the advantages of simple design and low cost of the linear polarization unit, and originally obtains dual-frequency dual-circular polarization radiation, and is suitable for reflective and transmissive arrays, and has compact structure and strong architecture versatility.