磁通分佈 的英文怎麼說
中文拼音 [cítōngfēnbù]
磁通分佈
英文
field flux distribution-
The various initial distributions of magnetic helicity density and the transportation of magnetic helicity flux may lead to various evolutions of magnetic helicity density in the neutral sheet region, and could result in the formation of various magnetic structures
不同的初始磁螺度密度分佈和磁螺度通量輸運,可以引起中性片區域磁螺度密度分佈的不同演化,從而導致具有不同拓撲位形磁結構的形成。Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils
其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本方程及其邊界條件出發,應用無旋磁場的標量磁位概念,建立了端面搖擺式電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各方面性質,對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。It also roundly researched the solution of the helmholtz equation in the circumrotating ellipsoidal coordinates, and discussed how to calculate the solution of the electro - magnetic field in the circumrotating ellipsoidal coordinates using special functions, and researched circumrotating ellipsoidal cavity ’ s latent value and quality parameter using arithmetic simulation, finally we compared the ellipsoidal cavity with the spheriform cavity. the main content of this thesis are as following : 1. calculated the distribution of the electro - magnetic field inside the ellipsoidal cavity based on maxwell equations and boundary conditions, and confirmed the syntonic mode inside the ellipsoidal cavity using arithmetic methods
本文從maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈,較為全面的研究了旋轉橢球坐標系下赫姆霍茲方程的解的問題,討論了用特殊函數來求解旋轉橢球坐標系下電磁場的解,並通過數值模擬研究了旋轉橢球諧振腔的本徵值和品質因數,並和球形諧振腔做了比較,主要內容為: 1 .用maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈,並且分析了橢球腔內的諧振模式。The processing and graphical representation of aeroelectromagnetic data of over 30000 traverse kilometers demonstrate the effectiveness of the techniques, and the apparent resistivity images obtained reflect characteristics of shallow electric distrbution, thus providing new data for geological mapping
通過對3萬多測線公里航空電磁數據的處理與圖示,證明了方法的有效性,取得的視電阻率圖像反映了各測區淺層電性分佈特徵,為地質填圖提供了新的數據。The regularities distribution of the electromagnetic field and vortex density had been simulated by the software matlab, the results of simulation not only proved the existence skin effect but also provided theory evidence for designing and researching of the shaft bearing replacer
通過matlab軟體對被加熱工件進行了電磁場和渦流分佈的計算機模擬,形象描述了工件內電磁場的分佈規律,證明了集膚效應的存在,為軸承感應拆卸裝置的設計研究提供了理論依據。Induction heater is the main part of the electromagnetic induction heating, it determines the heating efficiency and power distribution. this article designs and analyzes the induction heater and magnetic flux field concentrator
感應器是電磁感應加熱的重要部分,對感應加熱的效率和能量分佈起決定性作用,磁通集中器的設計直接關繫到系統加熱效率。Emcn considers the influence of the different flux distributions and leakage flux in alternator. the calculation accuracy is greater than conventional mec. emcn possess advantage of conventional mec and fem
等效磁網路法又考慮了電機內部的磁通分佈的不同和漏磁通的影響,因此其計算精度遠遠高於傳統的等效磁路法。And the subroutine is developed to add the periodic condition in the commercial 3d fem software. 3d electromagnetic field analysis is done to analyze the magnetic flux distribution in the tfpm. base on the field analysis, the mathematical model is given
採用簡化的三維電磁場計算方法對橫向磁通永磁電機內部磁通分佈進行了研究,計算了各部分的磁通密度分佈和漏磁通的走向,得到了電機的空載漏磁系數及空載反電動勢以及主要的漏磁通分量。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。In this paper, we begin with actual products designs and then combine the real conditions. on condition that technique conditions requirements were satisfied, by adopting electromagnetic field numerical analysis and experimental research, the electric field distribution inter - phase and to ground of 12kv metalclad withdraw switchgear vacuum circuit breaker is described accurately. the electric field distribution and movement in different conditions are also confirmed
本文從實際產品設計入手,結合現實情況,在滿足技術條件要求的基礎上,通過採用電磁場的數值模擬分析及實驗研究,準確地描述了12kv配電系統中置櫃真空斷路器相間及對地全場域電場分佈情況,確定了中置櫃在不同情況下的電場分佈、變化情況,通過理論的計算和分析,對產品的絕緣進行了校核與驗證,通過多種方法的比較,進而得到合理的布置結構和達到最佳的絕緣配合,為實際產品的開發和設計提供了理論依據。But due to the difficulties of the theoretical calculation and the limitation of the technique of image display, only some two - dimensional graphs of electromagnetic field of a planar set of point charges or symmetrically and uniformly charged bodies, which ignores the boundary effect, are introduced in the present electromagnetics teaching materials, which brings much incovenience for the acquaintance of the electrostatic field
然而,由於受理論計算和圖象顯示技術等因素的限制,目前的電磁學教材中,通常只能給出平面分佈的點電荷系或具有較強對稱性、忽略邊界效應的帶電體的電力線和等勢線的二維平面圖,這給靜電場分佈的感性認識帶來了一定不便。Abstract : this article analyzes the reason and influence of magnetic blow on welding arc during the welding process. through the adjusting and improving of the magnetic field distribution, adopting the anti - magnetic erasing method to eliminate the influence of magnetic blow for welding arc
文摘:分析了磁偏吹在焊接過程中對焊接電弧的影響以及產生原因,通過調整和改善焊接電弧周圍磁場分佈,並採用反消磁法,克服和消除了磁偏吹對焊接電弧的影響。On the basis of the result studied, three categories flaws easily turning up in the common whorl attachment are assayed by way of simulation. the result of experimental measurement verify all the conclusion from fem numerical simulation analysis 。 based on the study of the rationale of the ac - mfl, it primarily simulation studied the common whorl attachment in our country. the experimentation results go along with the simulation analysis
螺紋構件可以看作是柱體上緊挨的多條裂紋的組合,以上述內容為基礎,以ansys模擬軟體為手段對普通螺紋構件中極易出現的三種裂紋情況(螺桿接合部的缺陷,螺紋區的缺陷,螺紋尾部的缺陷)進行了建模模擬,得出了三種不同情況下磁場分佈特徵,實驗驗證了模擬分析的正確性。In this paper, computer simulation is adopted to study the field distribution and other effect factors of magnetic abrasive finishing
本文通過計算機模擬的方法對磁力研磨加工中的磁場分佈和一些影響因素進行了研究。This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively, intelligently by mfl ( magnetic flux leakage ) inspection method. from the practical demand, theoretical analysis and experiments or testing, the mfl inspection technology of pipeline or pipe defects are explained, summarized in detail in the whole paper, at the same time, the relationship between the mfl field distribution, the mfl signal shape and the defect geometry or severity, the analysis of the mfl data and the compensation of influencing the relationship factors, signal feature extraction, intelligent recognition of defect parameters and so on are studied systematically
論文針對管道(鋼管)缺陷漏磁檢測定量化、智能化的難題,緊密結合檢測現場實際需要,通過理論分析和大量實驗,系統分析總結了管道(鋼管)缺陷漏磁智能檢測技術,並在缺陷漏磁場分佈以及缺陷漏磁信號與缺陷外形參數間的關系、缺陷漏磁信號分析、漏磁信號影響因素補償、缺陷漏磁場波形特徵提取和缺陷外形尺寸定量識別等方面進行了深入研究,主要成果和創新如下:引出磁偶極子模型近似分析常見缺陷漏磁場,針對磁偶極子模型的不足,將有限元方法應用到缺陷漏磁場分析,實現了常見管道樣本缺陷漏磁場的模擬。From magnetic fields in pf coils of east expressed as elliptic integrals, the heat load of pf coils during plasma discharge is determined
摘要通過求解橢圓積分,計算了east極向場系統的磁場分佈,從而計算出極向場線圈在等離子體放電過程中的熱負荷。Further measurements for the deposited films indicate that the appearance and the deposition rate of the films also vary. after we simulate the magnetic field in such case with c program, these variations are owed to distributed change of magnetic field near the target surface and in the discharging space, which can influence the motion of charged particles in the plasma obviously
進一步對沉積薄膜的測量表明,薄膜的沉積速率等發生了變化,通過對空間磁場進行模擬計算發現,由於空間外加的縱向磁場引起了放電空間中以及靶面附近磁場分佈的改變,影響了等離子體中帶電粒子的運動並最終導致了上述變化。However flux leakage is really exist, calculation through formular analytic method has more error, so electromagnetic field analysis is made by using finite element method ( fem ) in ansys7. 1 / multiphysics and ansys / emag programs. typical quantities of interest in a magnetic analysis are available such as magnetic flux density, magnetic field intensity, magnetic forces, power loss and flux leakage in the system of magnetic levitation. then gain the current in the coil which control levitation gap when the stage is stable
由於存在漏磁,用公式的解析法計算有很大的誤差,因此本文採用有限元法( fem )來計算磁懸浮系統磁場分佈,從而計算磁力,通過用ansys7 . 1軟體進行有限元電磁場分析計算,得到平臺穩定懸浮時電磁線圈所需電流、懸浮氣隙等控制參數,由於設計的磁懸浮系統為非軸對稱結構,採用2d磁場分析有一定的誤差,而採用3d電磁場分析更接近實際。Study shows finishing initial design of gun we can optimize the beam performance by adjusting magnetic field distribution, gun geometry, cathode magnetic field, magnetic field compression ratio, anode voltage, cathode emitter temperature and so forth
研究表明,完成電子槍的初始設計后,可以通過調整磁場分佈、電子槍結構、陰極磁場、陽極電壓等因素,優化電子注的性能。Based on current resolving method of nonlinear finite element equations, the magnetic field distribution of typical operations are obtained. through the analysis of calculating results, this paper presents the effect of the synchronous generator operational parameters on the magnetic field non - linearity
在已有的非線性有限元方程求解方法的基礎上,利用現有的計算條件,本論文計算了若干典型工況的磁場分佈,通過對這些計算結果的分析,研究的同步發電機端部運行參數對磁場非線性的影響。分享友人