eddy current magnetic field 中文意思是什麼

eddy current magnetic field 解釋
渦流磁場
  • 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。
  • magnetic : adj. 1. 磁(性)的;(可)磁化的。2. 吸引人心的;有魅力的。3. 催眠術的。
  • 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. 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。
  2. 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。
  3. Some formulas are deduced and used to calculate the wastage of eddy current, and analyse factors about magnetic field and wastage of eddy current, at last measures for minishing the wastage of eddy current and the influence of magnetic field are put forward

    本文推導了隔離套中渦流損耗公式,分析了對磁場和渦流損耗的影響因素,提出了減小隔離套渦流損耗及對磁場影響的措施。
  4. Insulation shell in a new induction shaft coupling is a main element to solve leakiness of magnet pump, it often works in changing magnetic field so that eddy current is produced, and eddy current results in wastage and decreasing the efficiency

    摘要磁力聯軸器中內外轉子間的隔離套是磁力泵實現無泄漏的主要零件,由於磁力聯軸器工作時,隔離套便處在變化的磁場中,則其內部將產生渦流,導致渦流損耗和傳遞效率降低。
  5. 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
  6. 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。
  7. It can still decrease influence of the eddy current greatly while contace surface of coil type double - pole amf structure is not need to be slotted, so it can also decrease surplus axial magnetic field when the current is at zero and axial magnetic field hysteresis time

    線圈式兩極縱向磁場觸頭結構的觸頭表面不需開槽仍能大大降低了渦流的影響,因此也減小了電流零點時的殘余縱向磁場和縱向磁場滯后時間。
  8. This model not only reckons in the effects of the space distribution and the connection pattern of the windings, the position of the short circuit point and the space harmonics of the gap magnetic field, but also takes into account the pole geometry, slot effects, saturation and eddy current in the rotor

    該模型不僅能考慮繞組的分佈與聯接方式、故障的空間位置、氣隙磁場的空間諧波,還能細致地考慮磁極形狀、鐵芯的飽和和渦流等因素。
  9. So it is necessary to reflect the inner reality physical field ' s numerical number analogy method to analysis and improve the magnetic field and the computing accuracy of the cable ' s eddy - current detection. T his affords helping for the researching of biased cable instrument in the future. first open domain electric magnetic problem ' s breaking method is done with, which supposing fictitious boundary far away from the region. second breaking the infinite region into the finite region and supposing the electric magnetic is too small to be ignored

    通過採用目前處理開域電磁場問題的截斷法,人為地設定一個遠離待求區域的虛擬邊界,將無限區域截斷為有限區域,且認為在該邊界外面的電磁場已衰減得足夠小,小到可以忽略不計,從而令邊界上的電磁場場量為零,在此有限區域內採用較為成熟的A , A法,並且併入庫侖規范建立數學模型。
  10. Core losses are caused by an alternating magnetic field in the core material, thie losses are a function of the operating frequency and the total magnetic flux swing, the total core losses are made up of three main components, hysteresis eddy current and residuallosses, these losses vary considerably from one magnetic material to a - nother, applications such as higher power and hither frequency switching regulators and rf designs require careful core selection to yield the highestinductor perfor - mance by keeping the core losses to a minimum

    鐵損是由於在鐵芯中的變更磁場院所造成,這個損失與操作頻率及總流動的磁通量有關,總鐵損由三個成份組成,磁滯損,過流損及殘留損,這些損失因磁性材料不同而異,在如高功率切換調整器和rf的設計需要小心選擇鐵芯種類以降低鐵損使電感的表現最佳。
  11. The calculation to the eddy current on the contact surface and axial magnetic field of contact surface and center surface of contact gap are carried out while the current is at zero. after the iron core of ring type is put in, the eddy current on the contact surface will be increased, the axial magnetic field that the eddy current creates will be also increased

    對電流過零時觸頭表面的渦流和觸頭表面及觸頭間隙中心平面上的縱向磁場進行了計算,加入圓環型鐵芯后觸頭表面的渦流增大,渦流產生的縱向磁場增大,在鐵芯中開槽后渦流的平均水平降低,縱向磁場平均值降低。
  12. The paper proves that in the 2d non - linear case, the coulomb gauge is been meet naturally. in the paper, the second - order isoparametric fem is adopted in the non - linear transient magnetic field simulating excited by current source and the results of transient field and static field solved by the second - order isoparametric and linear fem are compared and analyzed, besides, the effect of the eddy currents in the magnetic materials of the different conductivity is analyzed, it is obtained that the magnetic material of high magnetic conductivity and low loss should be chosen in designing of pma

    文中採用二次等參元有限元法推導出在電流源激磁下的非線性瞬態磁場的計算方法和編制了相應的計算程序,並採用二次等參元有限元法和雙線性有限元法分別對瞬態場和靜態場進行了計算,並對計算結果進行了誤差分析,此外,還對不同電導率的導磁材料中渦流產生的影響進行了分析,得到結論設計永磁操動機構時,應選擇導磁性能好,損耗低的導磁材料。
  13. 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。
  14. Skin effect is the tendency for alternating current to flow near the sruface of the conductor in lieu of flowing in a manner as to utilize the entire cross - sectional area of the conductor. this phenomenon causes the resistance of the conductor to increase. the magnetic field associated with the current in the conductor causes eddy currents near the center of the conductor which opposes the flow of the main current near the center of the conductor. the main current flow is forced further to the surface as the frequency of the alternating current increase

    表面疚是指交流電流較傾向于導體的表面傳導而非流經整個導體截面的趨勢,這些現象會造成導體的電阻提高,與導體中的電流有關的磁場在導體中心部位產生過電流而阻礙了中心部位的主要電流,當交流電的頻率增加時,主要電流的流向會進一步被推擠到導體表面。
  15. During plasma disruption, the variation of magnetic field will induce eddy current in the internal thermal shield of ht - 7u tokamak

    當等離子體破裂時,其產生的變化磁場會在托卡馬克裝置的內冷屏上產生感應電流。
分享友人