eddy current field 中文意思是什麼

eddy current field 解釋
渦痢
  • eddy : n. 埃迪〈姓氏〉。n. (水,風塵等的)漩渦,渦流。vt. ,vi. (-died; -dying) (使)起漩渦;(使)旋轉。
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. 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
  2. Numerical analysis of the electromagnetic field caused by the eddy - current transducer the dissertation calculates the field caused by the solenoid coil with a finite - length ferrite core carrying time - harmonic current by the finite element method

    二、渦流傳感器電磁場數值分析本文採用有限元數值分析方法計算了含有有限長磁芯的放置式線圈的屯磁場。
  3. Remote - field eddy current - based non - destructive inspection technology has been widely used in advanced nations with significant effectiveness

    遠場渦流檢測技術在國外發達國家中已充分應用於現場,且收效顯著。
  4. Two dimensions analysis and calculation of generator negative sequence eddy current field

    主動規則的終止性分析
  5. Based on that penetration depth of eddy current is theoretically different for different operationalfrequency, the flaw depth quantitive measurement method based on the characteristicalfrequency was expounded. to find the best testing model and position, it analysed and discussedthe factors which effected measurement. the mathematic relationship between the specialfrequencyand flaw depth was established to realize the accureate measurement of flaw depth. it primarily researched the technology of alternating current magnetic field leakage testing ( ac - mfl ) in our country

    在利用頻率掃描技術的基礎上,提出了基於拐點頻率的渦流檢測缺陷深度測量方法,對影響測量的多種因素進行了分析和實驗研究,得到了最佳的測試位置和測試方法,建立了拐點頻率和缺陷深度的定量關系,為深度的測量提供了新的途徑。
  6. Based on the magnetic field data, this paper presents a double - frequency method to separate eddy current lossand hysteresis loss from iron loss, then different methods are used to calculate the two losses separately

    在磁場計算所得數據的基礎上,本文提出了採用雙頻法分離出sr電機鐵損中的渦流損耗與磁滯損耗,並分別採用不同的方法計算出這兩種損耗。
  7. This paper, firstly, introduces some basic nondestructive tests, shows the background of the subject about the test for the defect of sucker rod, by comparing with the other nondestructive tests, proves the advantage of eddy - current test, then beginning with maxwell equation in electromagnetic field theory and combining with the idea model of defect, this paper proves that the feasibility of eddy - current test technology in multi - parameter and multi - frequency which applied in the test for for the defect of sucker rod

    本文首先介紹了無損檢測技術的幾種典型方法,並給出了抽油桿裂紋檢測這個課題的背景,通過同其它幾種無損檢測技術的比較,給出了電渦流技術的優越性。然後從電磁場理論中的麥克斯韋方程出發,結合裂紋的理想模型,從理論上證明了電渦流多頻率多參數檢測技術在抽油桿裂紋檢測中的可行性。
  8. Because the field caused by the eddy - current transducer in the dissertation is not only axially symmetrical, but also plane symmetrical, there is no normal component of the electrical field strength and we cannot apply the condition en = 0 to solve such a problem

    由於本文中的渦流傳感器模型,其電磁場不僅是軸對稱場,而且還是平面對稱場,不含有電場強度的法向分量,所以無法利用邊界條件e _ n = 0來求解。
  9. 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。
  10. Performance improvement of remote field eddy current detection for ferromagnetic tubes corrosion

    鐵磁性管道腐蝕遠場渦流檢測性能的改進
  11. Based on the electromagnetic theories, this dissertation presents an analytical method to analyze the el ectromagnetic field caused by the solenoid coil with ferrite core that is popularly used in eddy - current non - destructing test ( not )

    本論文從電磁場理論出發,應用解析方法分析了渦流無損檢測用帶磁芯的放置式線圈的阻抗,並利用數值方法和實驗驗證了分析結果。
  12. 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。
  13. Research of digital phase signal detecting in remote field eddy current detecting

    遠場渦流檢測中的數字相敏檢波器的研究
  14. Further applications of remote field eddy current technology are restricted by some disadvantages such as weak signal, over - long sensor

    摘要遠場渦流檢測由於信號微弱、探頭過長等缺點限制了其進一步應用。
  15. 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
  16. 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。
  17. 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。
  18. 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
  19. 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。
  20. 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。
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