Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

21 results about "Incident energy" patented technology

Method for simulating high-temperature and high-pressure environment of alloy under radiation action based on molecular dynamics

The invention discloses an alloy high-temperature and high-pressure environment simulation method under radiation action based on molecular dynamics, which comprises the following steps: establishing a molecular structure framework of an alloy according to a crystal structure and a lattice constant of the alloy, and setting initial parameters to construct an initial simulation model; performing relaxation operation on the molecular structure model in a high-temperature and high-pressure environment; performing irradiation damage simulation on the relaxed model based on molecular dynamics, selecting a central atom as a primary off-site atom, and setting incident energy and incident direction of the primary off-site atom to simulate atom cascade collision; keeping the incident direction unchanged, and adjusting the incident energy of the primary off-site atoms to obtain defect distribution and defect density under different energies; and analyzing the defect evolution law of the alloy in the high-temperature and high-pressure environment according to the simulation result. According to the method, the alloy material is observed from a microscopic atomic scale, so that a powerful support is provided for simulating a defect evolution process in a high-temperature and high-pressure environment and reflecting atomic collision of the alloy in a real radiation environment.
Owner:BEIJING UNIV OF TECH

Absorber comprising embedded body

PendingCN120802414AOptical elementsIncident energyMechanical engineering
The absorber is formed by periodically arranging a plurality of absorption structure units, each absorption structure unit comprises a SiO2 substrate, a Ti metal layer and two Si3N4 regular hexagonal prisms which are coaxially arranged from bottom to top, and the embedded body which is coaxially arranged in the Si3N4 regular hexagonal prism at the bottom layer; the embedded body comprises an MgF2 regular hexagonal prism on the outer layer, a Cr metal circular ring on the middle layer and a TiO2 regular hexagonal prism on the inner layer. When the MgF2 regular hexagonal prism is internally tangent to the Si3N4 regular hexagonal prism at the bottom layer, the Cr metal circular ring is internally tangent to the MgF2 regular hexagonal prism, the TiO2 regular hexagonal prism is internally tangent to the Cr metal circular ring, and the top point of the bottom surface of the Si3N4 regular hexagonal prism at the top layer coincides with the midpoint of the edge of the top surface of the Si3N4 regular hexagonal prism at the bottom layer, it is ensured that an electromagnetic field / sound field is uniformly coupled between structural units, energy leakage or too high local field intensity is avoided, and the electromagnetic field / sound field is effectively improved. The coverage range of absorbed waves is 800-2800nm, and is not influenced by incident energy polarization, so that the application range is wide; structural unit layout facilitates accurate alignment, manufacturing difficulty and cost are reduced, and mass production, popularization and application are easy.
Owner:YANGZHOU UNIV

Wafer response rate testing device for infrared image sensor

The utility model relates to an infrared image sensor wafer response rate testing device, which comprises a black body assembly, a shutter assembly, a diaphragm assembly, an acquisition assembly, a probe assembly and an upper computer, the acquisition assembly comprises an acquisition plate for acquiring the temperature of the first black body or the second black body, the probe assembly comprises a probe station playing a supporting role and a probe card for arranging a probe, a bearing plate for bearing a wafer is arranged in the probe station, the acquisition plate acquires information of the first black body and the second black body, and the probe card is used for clamping the first black body and the second black body. The acquisition board further comprises information acquisition under the condition that the first shutter, the second shutter and the diaphragm are adjusted, and a probe on the probe card is electrically connected with the upper computer and transmits the acquired information to the upper computer for testing. According to the utility model, by arranging the black body assembly, the wafer response rate of the chip on the wafer can be conveniently tested, and meanwhile, the chip on the wafer can be directly tested, so that the test efficiency is improved.
Owner:SUZHOU ZERO PERCEPTION TECH CO LTD

Fire breakout threshold energy analysis and prediction method of solid combustible under thermal radiation of strong explosion fireball

The invention relates to a fire threshold energy analysis and prediction method for solid combustible materials under strong explosion fireball heat radiation, and aims to solve the problems that in the prior art, a fire threshold energy analysis and prediction method for solid combustible materials under a strong explosion fireball heat radiation scene is not systematic enough, the prediction result is not high in reliability, and the prediction cost is low. And actual requirements are difficult to meet. Comprising the following steps: S1, establishing a heat transfer-pyrolysis numerical calculation model under thermal radiation loading of the solid combustible; s2, obtaining thermophysical parameters, surface reflectivity parameters, pyrolysis kinetic parameters and pyrolysis reaction latent heat of the solid combustible; s3, determining the ignition characteristic temperature and the critical pyrolysis gas mass flow rate of the solid combustible; and S4, based on a heat transfer-pyrolysis numerical calculation model and the material parameters determined in the step S2, performing numerical simulation on the heat effect process of the solid combustible, and performing iterative calculation in combination with the ignition characteristic temperature determined in the step S3 and the critical pyrolysis gas mass flow condition to determine the strong explosion fireball heat radiation incident energy corresponding to solid combustible ignition. Therefore, fire threshold energy analysis and prediction under the thermal radiation of the specific solid combustible strong explosion fireball are completed.
Owner:NORTHWEST INST OF NUCLEAR TECH

A method for identifying electromagnetic sensitive areas on aircraft surfaces

The present application belongs to the field of aircraft design technology, and particularly relates to a method for identifying electromagnetic sensitive areas on aircraft surfaces. The method comprises step S1, a panel is provided in front of the aircraft, a ray source of uniform density is provided on the panel, and the ray source is directed to the surface of the aircraft in a direction parallel to the X-axis of the aircraft; step S2, the density of ray landing points on the surface of the aircraft is counted to obtain the illuminated area with the highest landing point density, the shadow area with the lowest landing point density, and the transition area between the two; step S3, using rays to simulate electromagnetic waves, the rays are directed to the surface of the aircraft in a direction parallel to the X-axis of the aircraft in front of the aircraft, and the emitted energy of the rays after irradiating the surface of the aircraft is calculated; step S4, the area where the emitted energy accounts for more than 60% of the incident energy is counted as a high scattering area; step S5, the high scattering area, or the illuminated area and the transition area are regarded as the electromagnetic sensitive area on the surface of the aircraft. The present application effectively solves key problems such as the zoning layout of airborne equipment and the zoning control of surface electromagnetic defects.
Owner:SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA

Preparation method and application of boron target for generating high-energy photon radiation field

PendingCN120881845ANuclear targetsDirect voltage acceleratorsIncident energyDose rate
The invention provides a preparation method and application of a boron target for generating a high-energy photon radiation field, and the preparation method comprises the following steps: mixing filtered boron elementary substance with mineral oil, and stirring until the mixture is uniformly mixed; standing for a certain time until the boron elementary substance is uniformly suspended, dipping the boron elementary substance on the upper layer of the mineral oil by using a brush, and uniformly coating on the surface of the substrate; the substrate is placed in a drying box to be baked under flowing air till the mineral oil is completely evaporated, and the boron target coated with the boron elementary substance layer is obtained. The preparation method of the boron target is easy and convenient to operate, professional equipment is not needed, and the prepared boron target is durable and not prone to damage. A proton beam with incident energy greater than or equal to 240keV and beam intensity greater than or equal to 15mu A is used for bombarding the boron target, and a stable high-energy photon radiation field with a dose rate greater than 100mu Sv / h can be generated.
Owner:CHINA INST FOR RADIATION PROTECTION

A package assembly for improving low irradiance power generation of a component

ActiveCN224473658Ureduce refractionReduce reflection lossElectrical batteryIncident energy
This utility model discloses an encapsulation component for improving the power generation of a module under low irradiance, comprising, from top to bottom, an antireflective front glass, an antireflective film, a stacked crystalline silicon cell, a transparent film, and a grid-coated high-reflectivity back glass. The antireflective front glass includes high-transparency glass and a double-layer coating layer disposed on the upper surface of the high-transparency glass. The antireflective high-refractive-index film includes a cross-linked elastomer film layer disposed near the antireflective front glass and a high-refractive-index film layer disposed near the stacked crystalline silicon cell. This utility model features a double-coating design for the upper high-transparency glass, which improves light transmittance and incident rate, thereby increasing the incident energy of light reaching the solar cells and increasing module power. The middle anti-reflective high-refractive-index film layer, through a double-layer refractive index difference design, reduces the loss of light due to refraction and reflection caused by the refractive index difference, thereby increasing the incident light reaching the solar cells and increasing module power generation efficiency. The bottom layer of high-reflective grid-coated glass is a white grid-coated glass, which improves the secondary utilization rate of incident light. Matching the uppermost low-thickness anti-reflective glass, it can effectively ensure the overall mechanical load design of the module.
Owner:CHANGZHOU SVECK PHOTOVOLTAIC NEW MATERIAL

X-ray reflector diffraction efficiency calibration device and calibration method

PendingCN120702723ATesting optical propertiesIncident energyVacuum chamber
The invention relates to an X-ray reflector diffraction efficiency calibration device and calibration method, belongs to the technical field of X-ray reflector calibration, and solves the technical problem of low calibration precision of the X-ray reflector diffraction efficiency. The device comprises an X-ray emitting flange, a vacuum four-dimensional adjusting device, a vacuum and four-dimensional adjusting device controller, an adjustable element bracket, an X-ray detector, a cavity three-dimensional adjusting bracket, an X-ray source and a vacuum pump. The calibration method comprises the following steps: installing the X-ray reflector to be calibrated, and vacuumizing; the X-ray reflector to be measured generates diffraction; adjusting the positions of an X-ray reflector to be calibrated and an X-ray detector for receiving diffracted X-rays, and solidifying a diffraction light path; and adjusting the energy of the incident X-ray to obtain a diffraction efficiency-incident energy relation curve at the diffraction angle. The X-ray reflector diffraction efficiency calibration method is used for X-ray reflector diffraction efficiency calibration.
Owner:NORTHWEST INST OF NUCLEAR TECH

Thin film photovoltaic device with long product life

PendingUS20260068412A1Photovoltaic energy generationIncident energyOptical pathlength
A thin film photovoltaic device is configured for receiving and converting a target wavelength range of light to electricity: The photovoltaic device includes a substrate, a bottom electrode disposed over the substrate, a lower carrier transport layer disposed over the bottom electrode, a perovskite absorber layer disposed over the lower carrier transport layer, an upper carrier transport layer disposed over the perovskite absorber layer, and a top electrode disposed over the upper carrier transport layer. The perovskite absorber layer has a physical thickness of 900 nm or less and is characterized by a bandgap energy (BE). At least one of the top and bottom 2024 / 039846 electrodes includes a transparent conducting layer which is transparent to the target wavelength range of light. The perovskite absorber layer has an optical path length that is greater than or equal to 8 times the physical thickness of the perovskite absorber layer for incident radiation that is i) within the target wavelength range, and ii) within an incident energy range of BE to (BE+0.52 eV).
Owner:ENERGY MATERIALS CORP

Aluminum alloy electronic range estimation method, system and equipment and storage medium

The invention provides an aluminum alloy electron range estimation method, system and device and a storage medium, and relates to the technical field of space radiation protection, and the method comprises the steps: generating a particle transport calculation model of an aluminum alloy according to the component proportion and geometric characteristics corresponding to the aluminum alloy; according to the particle transport calculation model, through a Monte Carlo simulation method, obtaining original range data of electrons after interaction with the aluminum alloy through preset incident energy data; according to the range original data, the range-energy mapping relation of the aluminum alloy is obtained; determining a continuous estimation function through an interpolation algorithm according to the range-energy mapping relation; and outputting a real-time range estimation result of the target electron in the aluminum alloy through the continuous estimation function in combination with the real-time incident energy of the target electron. Based on the actual components and the geometric structure of the aluminum alloy, the estimation precision and efficiency of the electronic range in the aluminum alloy are improved by using the continuous estimation function.
Owner:HARBIN INST OF TECH

Ion irradiation based superconducting thin film and device thermal performance regulation method

The application provides a method for controlling thermal performance of superconducting thin film and device based on ion irradiation, comprising the following steps: S1, providing a substrate and growing a superconducting thin film on the substrate; S2, preparing a superconducting device with micron or nanometer level line width structure; S3, using SRIM software to respectively simulate ion implantation of the superconducting thin film and the superconducting device, and determining ion type, incident energy, incident angle and ion implantation dose; S4, using ion implantation equipment to respectively perform ion irradiation treatment on the superconducting thin film and the superconducting device according to the data determined in the previous step; and S5, testing thermal performance of the superconducting thin film and the superconducting device after ion irradiation treatment. The application can accurately control thermal performance of the superconducting thin film and the device without changing material chemical composition, and can also realize post-treatment optimization, so that sensitivity, response speed and working stability of the superconducting device can be accurately controlled, which has important scientific significance and application value.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Systems and methods for implementing selective electromagnetic energy filtering objects and coatings using selectably transmissive energy scattering layers

A system and method are provided for forming energy filter layers or shutter components, including energy scattering layers that are actively electrically switchable. The energy filters or shutter components are operable between at least a first mode in which the layers, and thus the presentation of the shutter components, appear substantially transparent when viewed from an energy / light incident side, and a second mode in which the layers, and thus the presentation of the energy filters or shutter components, appear opaque to the incident energy impinging on the energy incident side. The differing modes are selectable by electrically energizing, differentially energizing and / or de-energizing electric fields in a vicinity of the energy scattering layers. Refractive indices of transparent particles, and the transparent matrices in which the particles are fixed, are tunable according to the applied electric fields. The energy scattering layers may conceal a sensor such as a camera or photovoltaic cell.
Owner:FACE INTERNATIONAL CORP

Method and system for determining seismic energy and ground motion amplification factor under complex topographic geological conditions based on energy method and artificial intelligence

PendingCN122345879ATerrainNerve network
The application discloses a method and system for determining seismic energy and ground motion amplification coefficient under complex terrain geological conditions based on energy method and artificial intelligence, and belongs to the technical field of earthquake engineering and geotechnical engineering. The method comprises the following steps: determining the energy of a seismic source; calculating the energy attenuation on the seismic wave propagation path; calculating the energy transformation of different geological interfaces; extracting terrain feature parameters and constructing a training database to train a deep neural network to determine the energy distribution coefficient of a complex combined terrain; predicting the energy distribution coefficient of each point of a target site; combining the incident energy of bedrock to calculate the ground motion amplification coefficient and perform energy conservation correction; and finally outputting an amplification coefficient distribution map. The application combines physical mechanisms with artificial intelligence, can efficiently and accurately predict the ground motion amplification effect of complex combined terrains (such as mountain groups and valleys), and the result conforms to energy conservation, so that the application can provide a scientific basis for seismic zoning and engineering seismic design.
Owner:SICHUAN PROVINCIAL ARCHITECTURAL DESIGN & RES INST

Neutron scattering experiment simulation method, device, equipment and product

The invention discloses a neutron scattering experiment simulation method, device, equipment and product. The method comprises the following steps: constructing a scattering front-end model of a target scattering spectrometer; wherein the scattering front-end model comprises a neutron moderator and a slit; simulating the movement process of neutrons with different incident energies from the neutron moderator to the slit, and extracting neutron beam data in the movement process; constructing a sample environment model and a detector array model of the target scattering spectrometer; wherein a sample is arranged in the sample environment model; and performing a scattering experiment based on the neutron beam data of the selected incident energy, the sample environment model and the sample, intercepting neutrons after the scattering experiment by using the detector array model, and generating a scattering simulation result of the neutrons. The virtual scattering experiment method for the high-energy inelastic neutron scattering spectrometer is developed, so that the optimal setting of part of experiments can be cleared in a relatively low-time-cost manner before the real experiment is carried out, and the situation that the supply of the current spectrometer experiment machine is tense is relieved.
Owner:CHINA SPALLATION NEUTRON SOURCE SCI CENT +1

A method and apparatus for measuring ventilation based on dr

The application discloses a DR-based ventilation measurement method and device, which comprises the following steps: obtaining body information of a user to be measured; matching the body information of the user to be measured with a pre-obtained incident energy reference benchmark set to obtain a corresponding incident energy reference benchmark; and exposing the body to be measured to the incident energy reference benchmark to obtain a ventilation image. The method can select a proper incident energy reference benchmark for exposure according to different bodies to be measured, so that a more accurate ventilation image is obtained. Therefore, the corresponding gas thickness and gas area at each moment are obtained based on the ventilation image and the incident energy reference benchmark, and accurate ventilation data is obtained. Meanwhile, the ventilation image is obtained based on digital X-ray photography, so that the ventilation can be measured while the X-ray image is taken.
Owner:SHENZHEN ANGELL TECH

X-ray fluorescence analysis correction method and on-line ore composition analysis method

The present application belongs to the technical field of component analysis, and relates to an X-ray fluorescence analysis correction method and an online ore component analysis method. The correction method adopts a Monte Carlo method to simulate the attenuation degree of X-rays in air, and obtains the reaction of X-rays in air. The energy of X-rays is taken as the horizontal coordinate, and the number of remaining X-rays after passing through a distance d of air is taken as the vertical coordinate. A curve is fitted to obtain the attenuation curve of X-rays in air. The Eval() function in the TGraph class is used for difference to obtain the transmittance of different incident energies. The obtained transmittance is used to correct the real yield of each element in the measured sample. The correction method and the online ore component analysis method are applied to the ore component analysis process, and can make the component analysis equipment be used directly in air without a vacuum pump.
Owner:WEIHAI QITONG TECH DEV CO LTD

Device and method for heating plastic containers, in particular PET preforms, using spectrally narrowband light sources

ActiveDE102012215581B4Incident energyControl cell
Device for heating plastic containers (101) for the production of bottles, in a heating section comprising a control unit (105) for controlling the heating and one, preferably several, heating stations (190), wherein each heating station (190) comprises at least one, preferably a plurality of spectrally narrowband light sources (261), characterized in that: each spectrally narrowband light source (261) is suitable for emitting light with a wavelength in a range in which between 30% and 50% of the incident energy can be absorbed in the first wall of the plastic container, wherein the at least one narrowband light source is capable of emitting narrowband light with a half-width of less than Δλ = 50nm.
Owner:KRONES AG

Experimental method of dynamic mechanical properties of jointed rock mass under combined static and dynamic loading in three dimensions

The present application belongs to the field of jointed rock mass dynamics and engineering technology, and particularly relates to a method for testing dynamic mechanical properties of jointed rock mass under three-dimensional dynamic and static combined loading, which comprises the following steps: 1. preparing a cylindrical full-penetrating jointed rock mass sample; 2. pre-experimenting an empty rod; 3. pre-experimenting the empty rod impact, so that the incident stress wave + reflected stress wave ≈ transmitted stress wave to carry out formal experiment; 4. loading and impact testing by placing the sample into a confining pressure device; 5. setting the impact air pressure of the launching device and the position of the bullet, and testing the required working conditions; and 6. calculating the dynamic compressive strength, elastic modulus and peak strain of the jointed rock mass sample based on the collected incident stress wave, reflected stress wave and transmitted stress wave, and then calculating the incident energy, reflected energy, transmitted energy and cracking energy of the cylindrical full-penetrating jointed rock mass sample. The present application can well analyze the dynamic mechanical properties of deep-buried jointed rock mass, and has important significance for revealing the instability mechanism of surrounding rock of tunnels and other projects under dynamic and static combined loading.
Owner:SOUTHEAST UNIV

High ground stress tunnel blasting energy conversion model and explosive unit consumption calculation method

The invention provides a high ground stress tunnel blasting energy conversion model and an explosive unit consumption calculation method, and belongs to the technical field of engineering blasting, and the method comprises the following steps: obtaining a ground stress parameter of a target area; performing an impact test by using a Hopkinson pressure bar device to obtain incident energy, reflection energy and transmission energy of the rock test piece and absorption energy of the rock test piece; dividing explosive energy into dynamic action energy and static action energy based on a detonation theory and explosive key parameters; energy efficiency is introduced, and the relevance between the rock crushing lumpiness and the energy efficiency is established; the unit consumption of the explosive is obtained by combining the ratio of the dynamic action energy to the static action energy and the explosion heat of the explosive; according to different blasting requirements, impact test parameters are adjusted, and targeted loading and unit consumption matching are achieved; according to the method, the refined and differentiated design of explosive unit consumption is realized by quantifying the influence of high ground stress on the blasting energy conversion efficiency and combining the energy contribution ratios of different blast hole types.
Owner:SHENYANG UNIVERSITY OF TECHNOLOGY

Multi-parameter confinement simulation method for subsurface layer'fusion type 'growth in fourth growth mode

The invention discloses a multi-parameter confinement simulation method of subsurface layer'fusion type 'growth in a fourth growth mode, and belongs to the field of material simulation and calculation. According to the method, on the basis of molecular dynamics simulation software LAMMPS, the fusion type growth behavior of high-entropy alloy atoms on a substrate subsurface layer in the ion beam assisted deposition process is simulated by regulating and controlling the energy, direction, size and flux of deposition atoms. The method specifically comprises the following steps: establishing a single-crystal or amorphous substrate model of the high-entropy alloy FeCoNiCrMn; setting an MEAM potential function; by regulating and controlling a deposition area, incident energy and flux, injection and nucleation of atoms on the subsurface layer are achieved; a subsurface layer forming process is visualized by using a radial distribution function, kinetic energy analysis, potential energy analysis and stress analysis. The method breaks through the limitation of a traditional surface growth mode, successfully simulates and verifies a fourth film growth mode different from a traditional layered mode, an island mode and a layer-island composite mode, realizes growth from the inside of the substrate to the outside, and provides a theoretical guidance and simulation platform for low-temperature and high-quality preparation of the high-entropy alloy film.
Owner:BEIJING NORMAL UNIVERSITY

Hyperspectral perovskite X-ray detection method and system

The invention discloses a hyperspectral perovskite X-ray detection method and system. The system comprises a multi-component perovskite array detector, a signal acquisition and amplification module, a spectrum unmixing module, a hyperspectral imaging module and a material identification and quantitative analysis module. The method comprises the following steps of: preparing perovskite array detectors with different components on a TFT / CMOS (Thin Film Transistor / Complementary Metal-Oxide-Semiconductor Transistor) plate by adopting a mask spraying process; processing a signal output by the perovskite array detector through a signal acquisition and amplification module to obtain a multi-component response vector corresponding to each pixel; carrying out unmixing processing on the multi-component response vector through a spectrum unmixing module, and reconstructing an incident energy spectrum; a'space * energy 'data cube is constructed through the hyperspectral imaging module, and a hyperspectral image is generated; material identification and quantitative analysis are realized based on a preset database through a material identification and quantitative analysis module; according to the invention, the problem that the resolution capability of a traditional detector is reduced in a wide-energy-band and high-flux scene can be solved.
Owner:HUAZHONG UNIV OF SCI & TECH +1