渦流場 的英文怎麼說
中文拼音 [guōliúchǎng]
渦流場
英文
eddy field-
By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使氣體穿閥后的行為變得復雜,並對氣液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響,通過折邊來改變氣體的氣路是非常有效的,模擬值與實驗值基本得到吻合。From the numerical modeling results, it can be found that there is a clockwise gyre in the middle part of bohai sea, whether in wintertime or in summertime. in summer, the clockwise gyre corresponding to the high - temperature and low - density center in the middle bohai sea is mainly dominated by the density circulation. and in winter, it is mainly dominated by the wind stress curl
通過數值模擬結果發現,在渤海中部,無論冬季還是夏季,都存在一個順時針的渦旋運動,夏季,對應于渤海中部的高溫低密中心,其流場主體部分呈順時渤海冬夏季環流特徵及變異的初步研究針向旋轉,這主要是密度環流占優的結果,而冬季的順時針向的旋轉,主要是海面風應力旋度影響的結果。A finite element analysis of 3d eddy current field for heavy current bus bar bridge system
大電流母線橋三維渦流場的有限元分析In the first part, the steady nonlinear vortex lattice method is adopted to calculate the hydrodynamic characteristics of open water ichthyoid rudder, and the induced velocity of ichthyoid rudder is calculated using panel method
本文理論計算部分,採用定常非線性渦格法計算魚形舵的水動力性能,用面元方法計算舵流場的誘導速度。Numerical simulation of leading edge film - cooling of turbine stator blades
氣膜冷卻渦輪導向葉片流場數值模擬This is a highly tricky exercise because vortical flow fields act in a complicated ( what scientists call nonlinear ) manner, making prediction difficult
這可難了,因為渦流場的變化模式非常復雜(就是科學家所說的非線性變化) ,難以預測。The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim
利用有限元法對直線感應電動機二維非線性渦流場進行了數值計算,並在此基礎上,運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析,得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線,通過改變直線電機參數,分析了電機氣隙對其瞬態性能的影響。Numerical simulation of hardened - depth on eddy signal
渦流場量評價材料表面硬化層深度的數值模擬Through the analyzes of electromagnetic system of a axial symmetry by the method of electromagnetic vector potential, an eddy current field math model is build by triangle cell, this article has researched the effect of power frequency to eddy current density, penetration depth and the skin effect
本文以電磁場矢量位有限元法為基礎對二維軸對稱場的磁場強度、渦流密度進行了計算求解,採用三角形單元和六面體單元建立了渦流場數學模型,研究了電源頻率對渦流密度、透入深度及集膚效應等場量的作用影響。Before giving the numerical solution, the finite element method and how to make the finite element analysis for 3d time - harmonic electromagnetic fields and 3d eddy - current fields are introduced in detail
在此之前,詳細介紹了有限元方法以及三維時諧電磁場的有限元分析方法和三維渦流場有限元分析的a - , a法。Moreover, a method for iterating thermal and magnetic analysis is put forward. in chapter 5, the distributed characteristics of eddy and temperature fields in induction heating process are simulation by fem respectively, including the distributions of eddy and temperature fields during the whole induction heating process, the influence of frequency and magnetic disperse, and the prediction of hardened depth
第五章:用ansys軟體對感應加熱過程中工件內渦流場、溫度場的一些基本問題進行模擬及分析,主要包括:加熱過程中工件渦流功率密度及溫度分佈規律;頻率與磁力線逸散對加熱效果的影響;同時對感應淬火淬硬層深度進行了模擬預測。The paper establishes mathematics model of electromagnetic heating system of eddy current field and temperature field, and gives corresponding discrete format with elements as eight nodes, hexahedron equal cell, through calculating eddy - current field to gain the internal heat source that the temperature field needed, to use discrete method to solve the problem of induction - heating part ' s temperature field by axial symmetrical electromagnetic, and then to analyze the characteristic of instantaneous temperature field
本文建立了電磁加熱系統的渦流場和溫度場間接耦合的數學模型,分析了不同頻率下渦流和溫度的分佈情況,並以八節點六面體等參元為例給出了渦流場對應的離散格式,通過計算渦流場獲得溫度場所需要的內熱源強度,加熱部件的溫度場以軸對稱格式進行離散求解,並對瞬態溫度場有限單元法的求解特點進行了分析。Analysis of 3d eddy current field in cup - type axial magnetic field vacuum interrupter
杯狀縱磁真空滅弧室三維渦流場模擬In chapter 3, the mathematical modal of electromagnetic and temperature fields is presented by a complex magnetic vector potential, which is also applied to solve eddy current field in ansys software. then, the electromagnetic field analysis, thermal analysis and coupled - field analysis in ansys are introduced
第三章:介紹了ansys中引入復矢量磁位計算電磁場、渦流場的方法以及溫度場求解的數學模型,簡述了ansys軟體中的電磁場、溫度場以及耦合場分析。Through the analyses of electromagnetic system of configuration of hollow metal cylinder by electromagnetic vector potential, an eddy current field math model is built by triangle cell, this article has researched power frequency to eddy current density, permeation depth and the effect of skin effect
文中通過對一個空心金屬圓筒結構的電磁系統進行分析,以電磁場矢量位有限元法為基礎對磁場強度、渦流密度進行了計算求解,採用三角形單元建立了渦流場數學模型,研究了電源頻率對渦流密度、透入深度及集膚效應等場量的作用影響。Analysis on eddy current field in copper and aluminum composite plate
銅三層復合板內部渦流場分佈研究Abstract : a modified droplets trajectories analysis model is established for the efficiency estimation of liquid - liquid hydrocyclones based on the single vortex field theory
文摘:在單渦流場理論基礎上建立了一種改進的油粒軌跡模型,用以預測油水旋流器粒級分離效率。Use electromagnetic finite element method to analyze the distribution of eddy current field with different power supply, then to research that the temperature and distribution of ferromagnetic material can improve the control of electromagnetic and electrothermal field greatly. there into the research of the theory and computation of electromagnetic field act on other physical field is the foundation of the application of magnetic technology, and it is also one of the hot - spot topics in circles researching electromagnetic field
利用電磁場有限元法分析渦流場在不同電源激勵下的分佈,進而研究鐵磁材料中的溫度及其分佈可以大大提高對電磁場和對電熱場的控制,其中電磁場和其它物理場綜合作用理論和計算的研究是相關磁技術應用的理論基礎,也是近年來電磁場計算應用的難點課題。In chapter 2, gives a brief introduction to the basic theory of induction heating technique ; a mathematical modal is developed to describe the distribution of electromagnetic field and eddy current density in the long solid cylinder billet of induction heating. the general question of eddy current field calculation and the weakness of design theories for induction - heating coils that has won great popularity in engineering are pointed out
第二章:介紹了感應加熱的基本原理,推導了感應加熱工件內電磁場與渦流分佈的理論公式,對感應加熱渦流場計算的一般問題、傳統感應加熱工程工程設計計算的不足以及電磁場數值計算方法作了介紹。The investigated performance characteristics of lateral jet interaction include pressure fields, flow field pattern and surface pressure distribution with jet on or off in the streamwise direction. 2
本論文設計的計算程序具有模擬物體表面存在大壓力剃度和激波與湍流附面層存在強烈干擾情況下的復雜渦流場計算的能力。分享友人