渦電流試驗 的英文怎麼說

中文拼音 [guōdiànliúshìyàn]
渦電流試驗 英文
eddy-current test
  • 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...
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  • 試驗 : trial; experiment; test
  1. 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。
  2. In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value

    第三章採用大渦模擬亞格子渦粘模型，對巖灘混流式水輪機的流場進行三維非定常湍流分析，得到了流場中各物理量的脈動特性，計算出ms的軸向水推力與模型試驗值大小相當；同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。
  3. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  4. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文結合巖灘水電站廠房振動的試驗研究，採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬；提出一種水電站廠房下部結構簡諧振動模型，首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析，各項計算結果與實測數據吻合良好。
  5. Based on the analysis of essential performance needs of eddy current retarder, this paper studied the experimental method and the test - bed including ecr system ' s structure, test items and characteristics

    摘要本文在分析車用電渦流緩速器性能要求的基礎上，研究車用電渦流緩速器試驗方法，進而研製車用電渦流緩速器性能試驗臺，介紹了車用電渦流緩速器試驗臺的結構、測試項目和特點。
  6. In order to research the eddy current electromagnetic force that varies with the relative speed, including brake force and attraction, the high speed simulation test stand for track eddy current brake was developed

    為了研究渦流電磁力包括渦流制動力的電磁吸力，在不同的相對運動速度下的變化規律，研製了軌道渦流制動試驗臺。
  7. Development of electromagnetism vortex flow energy dissipation tmd devices and test study on its property

    電磁渦流耗能調諧質量阻尼器研製與性能試驗
  8. The performance, feature and application fields of non - contact displacement sensors used in bearingless motors are compared. the static and dynamic characteristics of the eddy current displacement sensor are studied experimentally

    對比分析了目前在無軸承電機上使用的非接觸式位移傳感器的性能、特點和應用范圍，重點對所選用的電渦流傳感器進行了靜態和動態特性的試驗研究。
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