磁流單元 的英文怎麼說

中文拼音 [liúdānyuán]
磁流單元 英文
magnetic current element
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  1. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電作用於有限長鐵芯上的模型,引用了氣隙場一維解,研究了層繞組場,奇數極半填槽雙層繞組在採用整距和短距時場的分析、比較,簡介紹了二維解; ( 2 )用有限軟體ansoft對大圓環直線感應電機空載氣隙場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用極性霍爾件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電力並做實驗進行了驗證,由實驗測得了三相電波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  2. 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

    利用有限法對直線感應電動機二維非線性渦場進行了數值計算,並在此基礎上,運用電場有限分析的專用軟體ansoftmaxwell2d對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推力、法向力、初級電、氣隙密等曲線,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。
  3. 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

    本文以電場矢量位有限法為基礎對二維軸對稱場的場強度、渦密度進行了計算求解,採用三角形和六面體建立了渦場數學模型,研究了電源頻率對渦密度、透入深度及集膚效應等場量的作用影響。
  4. Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel

    在充分考慮國內外不同的液壓泵電動機的基礎上,本文選用了雙凸極永電機作為整個系統的電機本體,並配以電動機控制器(控制器包括三相橋式功率變換器、驅動電路、 dsp主控、電采樣及預處理和位置采樣及預處理等主要部分)組成整個液壓泵電動機系統。
  5. 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

    本文建立了電加熱系統的渦場和溫度場間接耦合的數學模型,分析了不同頻率下渦和溫度的分佈情況,並以八節點六面體等參為例給出了渦場對應的離散格式,通過計算渦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法的求解特點進行了分析。
  6. It makes finite element analysis for no - load motor, full - load motor and armature magnetic field singly acting motor, and it gets distributing map of magnetic field and static characteristics curve as different rotor angle and different armature current in a permanent magnet circle for the motor, it analyzes and explains influences of armature magnetic field on the inductance characteristics of windings

    分別對電機空載、負載以及電樞獨作用3種情況下進行了有限分析,得出在1個永鏈周期內不同轉子位置角和不同電樞電作用下的場分布圖以及靜態參數特性曲線。
  7. 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系統進行分析,以電場矢量位有限法為基礎對場強度、渦密度進行了計算求解,採用三角形建立了渦場數學模型,研究了電源頻率對渦密度、透入深度及集膚效應等場量的作用影響。
  8. And it requires few power and can continually change its state which is reversible. it is a kind of ideal control device to implement semi - active control. the technology correlated to mr is gradually set store by people, and it is gradually applied to practical project from theoretical research in lab

    變液製作的阻尼器裝置簡、體積小、能耗小、可連續可逆變化,是實現半主動控制的理想控制件,其相關技術越來越受到人們的重視,並且由實驗室研究階段逐步走向應用研究階段。
  9. In the calculation of static magnetic field, the finite element method ( fem ) is used. the force characteristic of pma with exciting current and without exciting current are calculated and analyzed

    其中靜態場的計算採用了目前應用較為廣泛的有限方法,對永獨作用的機構靜態吸力特性和激與永共同作用的吸力特性進行了分析計算。
  10. In succession, tini thin film is deposited on single - crystal silicon substrate using optimized parameters utilizing sputtering, and its transformation temperature ( a * ) is 72 ? indicated by dsc curve after being annealed in an ultra - high vacuum ( uhv ) chamber. in addition, the composition of the silicon - based tini film was analyzed by an energy dispersive x - ray spectroscopy ( eds ), and the ti content in the film is approximately 51at %

    按照改進的工藝參數,在晶硅襯底上濺射-淀積了tini薄膜,並進行了超高真空退火, dsc法測得其馬氏體逆相變峰值溫度為72 ,利用能譜分析( eds )技術測得其ti含量約為51at ,通過對非晶tini薄膜與晶硅襯底之間的界面進行eds及x射線衍射( xrd )分析,發現在用大功率( 2000w )直控濺射法制備tini薄膜過程中,存在ti 、 ni與si的雙向擴散,發生了界面反應,並有三化合物ni _ 3ti _ 2si生成。
  11. Dd862 and dd862a single phase electic meter are in duction meter. it is used in calculating 50hz single - phase ac active electrical energy. it is compaosed of electromagnetic element. moving disc, bearing, damping magnet steel, counter and regulator and regulator equipment. the meter has high precision, high over - load, long lifetime and so on features

    : dd862型和dd862a型相電度表是感應式儀表,用於計量器頻率為50hz的相交有功電能。它主要由電件轉動圓盤軸承阻尼鋼計度器和調整裝置等組成,本表具有高精度高過載長壽命等特點。
  12. The measure methods have developed from the impact method to automatic - manual measure method that is central made of analog integrator and the computer automation measurement system that is central made of analog integrator, a / d > data acquisition

    對于化特性的測量已經由經典的沖擊電計法發展到以模擬電子積分器為主要的半自動測量系統和以模擬電子積分、 a d轉換、數據採集為主要的計算機控制的自動測量系統。
  13. Core - shell nanocomposite particles, as attractive building blocks of advanced functional materials, have important applications in such areas as photonic band gap materials, microwave absorbing materials, electrorheological ( or magnetorhelogical ) fluids, catalysis and biology, etc

    摘要核殼納米復合粒子具有許多不同於組分膠體粒子的獨特的光、電、、催化等物理與化學性質,是構築新型功能復合材料的重要組,在光子帶隙材料、微波吸收材料、電變液、催化劑和生物等領域有重要應用。
  14. The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,

    最後,論文給出了結倫:變液阻尼器是半主動控制裝置中非常吸引人的控制件之一,混合工作模式的變阻尼器結構簡,阻尼效果比動模式和剪切模式均要好,是一種比較理想的變阻尼器;電樞活塞式變阻尼器作為混合模式變阻尼器的一種結構形式,其結構設計合理,性能良好,具有較強的實用價值,值得在工程中推廣應用;在電樞活塞式變阻尼器的設計中,應特別注意工作間隙h 、工作直徑d 、極長度卜都對阻尼器的阻尼力有明顯的影響,並注意選用合適的變液材料;輸入電變阻尼器的阻尼效果影響很大,輸入大電時阻尼力明顯增大,減振效果明顯提高。
  15. The plastic kinetic response of rivet is analyzed by sequentially coupling which take the first step ' s result as initial conditions

    將模擬出的電和電場結果作為初始條件,採用間接順序耦合方法分析鉚釘結構的塑性動力響應。
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