渦電流法 的英文怎麼說
中文拼音 [guōdiànliúfǎ]
渦電流法
英文
eddy current method- 渦 : 渦名詞1. (漩渦) eddy; whirlpool; vortex 2. (酒窩) dimple
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 流 : 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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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。Calibrating the electric eddy sensor by the interpolation method and curve fitting method
利用插值法和曲線擬合法標定電渦流傳感器However, recent years the study of electric eddy - current detection mostly overweights the study of measuring system, and the design of the eddy - current. methods are still equivalent magnetic circuit and equivalent electric circuit model calculation and experiment ' s experience design method
然而,近幾年電渦流測量方法的研究多偏重於測量系統的研究,而對渦流檢測探頭的設計至今仍採用等效磁路、等效電路模型計算同實驗相結合的經驗設計方法。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。A novel method for reducing the substrate - rated losses of integrated spiral inductors is presented. the method is that directly forming pn junction isolation in the si substrate to block the eddy currents induced by spiral inductors. the substrate pn junction can be realized in standard silicon technologies without additional processing steps
提出了一種新的方法來減小硅襯底損耗提高集成電感的q值:在硅襯底形成間隔的pn結隔離以阻止渦流減少損耗,這種方法工藝簡單且與常規硅集成電路工藝兼容。5. according to the requirement of amt start up experiment, using dynamic link library to program for different kinds of data acquisition card and transferring data between pc and multi scm. in this way data can be acquired successfully and engine throttle 、 clutch locking speed and eddycurrent dynamometer torque were controlled by pc programs
根據試驗要求,採用動態鏈接庫的方法對不同數據採集卡進行混合編程,順利地採集參數和控制發動機節氣門開度及離合器結合速度,利用上下位機多機通信,使上位機控制電渦流測功機,實現了模擬加載。In order to obtain actual deformation amount, when the deformation amounts of tenon and mortise place of floorboards are changed, it mainly gather low frequency signal amounts after the fore - process device on the electricity eddy senses is deciphered, so as to offer references for measuring the deformation amount parameter of other kinds of floorboards
該法主要通過採集電渦流傳感器中前置器解調后的地板榫接部位變形時的低頻信號值獲得其實際變形量,並為檢測其它種類地板的變形量參數提供參考。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。Non - conductive coatings on non - magnetic electrically conductive basis materials - measurement of coating thickness - amplitude - sensitive eddy current method
非磁性電導基體金屬上的非導體鍍層.鍍層厚度的測量.波幅靈敏渦流法Compared with traditional electromagnet, this device has many merits. the article discusses methods of magnetization and demagnetization by the pulse of strong current. then the problems about whirlpool and material ' s selecting are discussed
介紹了永磁起重吸盤的工作原理及相對于傳統電磁鐵的節能、省材、廉價、安全等特點,討論了應用電容儲能經rlc串聯二階電路放電產生的強電流脈沖對永磁體進行充、退磁的方法及渦流問題。Test method for measuring resistivity of semiconductor silicon or sheet resistance of semiconductor films with a noncontact eddy - current gage
半導體矽片電阻率及硅薄膜薄層電阻測定非接觸渦流法Testing of materials for semiconductor technology ; contactless determination of the electrical resistivity of semiconductor slices with the eddy current method ; homogeneously doped semiconductor wafers
半導體工藝材料檢驗.用渦流法無接觸測定電阻率.均勻So aimed at that, based on deep analyzing the eddy - current mechanism of the stator liners and rotor liners. this paper calculated the eddy - current with the multiple multipole theory by deploying the liners. according to the calculation result, the electromagnetic effect of the liners in the permanent magnet canned motor pump was analyzed
針對這一區別特徵,本論文在對定、轉子屏蔽套渦流產生機理分析的基礎上,採用將屏蔽套展開的方法,利用多極理論求解了屏蔽套的渦電流損耗,從而分析了屏蔽套對電磁性能的影響。Eddy current method
渦電流法The theoretical model of dc electroosmotic flow field is built based on the forming principle of the pumping rate and pressure of electroosmoticflow micropump. the numerical values of electric double layer and electroosmoticflow field are solved by using vorticity stream funcion formulation and finity difference algorithm. it shows many factors influence the pumping rate such as electric field indensity, section area, section shape, the dielectric constant and the viscosity constant of flow
本文詳細的綜述了直流電滲流微泵的國內外研究狀況,闡述了雙電層和直流電滲流微泵的原理,研究了電滲流微泵流量與壓強的產生機制,建立了直流電滲流流場的理論模型,並利用渦度流函數法和有限差分法得到雙電層電勢和電滲流流場數值解。It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed
瞬變電磁法( transientelectromagneticmethod )是一種時間域的電磁勘探方法,利用階躍波或其它脈沖電流場源激勵,在大地產生過渡過程場,斷電瞬間在大地中形成渦旋交變電磁場,測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性,從測量得到的異常分析出地下不均勻體的導電性能和位置,從而達到解決地質問題的目的。Non - conductive coatings on non - magnetic basis metals - measurement of coating thickness - eddy current
非磁性基體金屬上非導電覆蓋層覆蓋層厚度測量渦流法Then virtual dielectric constant method is adopted to calculate the electric field distribution with floating electrodes, and equivalent conductance rate method is adopted to calculate the electric field distribution with surface filth or local puncture in the insulator, furthermore the value scope of virtual conductance rate and equivalent conductance rate are discussed and some useful results are got. for the solution of vortex loss of silicon steel sheets concerning current transformer, the h solution has also been put forward rather than traditional a ? ( p method in order to reduce calculation load
採用虛擬介電常數法計算絕緣子存在懸浮導體的電場分佈,採用等效電導率法計算絕緣子存在表面污穢或局部擊穿情況下的電場分佈。對虛擬介電常數和等效電導率的取值范圍進行了討論,得出了一些有用的結論。對于電流互感器硅鋼片渦流損耗的計算,本文提出了不同於傳統的a -方法的h求解辦法,從而大大簡化了計算。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。The methods and developing status of flow measurement and physical parameter of fluid, the principle of vortex flowmeter, the theory of ar model spectrum estimation are described at the beginning of the thesis. the author develops a flow measurement system comprising the signal processing circuit and measurement software to measure flow and do qualitative and quantitative to measurement results that gain by count method and ar model spectrum estimation method
論文依次講述了流量的測量方法和發展趨勢,流體的物理參數,渦街流量計的測量原理, ar模型譜估計的基礎理論,並針對渦街流量計設計了信號處理電路和測量軟體,最後對用計數方法和ar模型譜估計方法得出的測量結果進行了定性和定量分析。分享友人