線渦流 的英文怎麼說
中文拼音 [xiànguōliú]
線渦流
英文
line volume-
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Induction heated oil tempered spring wire is a kind of new technical material which has been developed since 1980s. it can be heated by means of eddy induced into itself through electromagnetic coil and this method is mainly used in surface quenching. with correct designing and reasonable current frequency, induction coil and heat treatment process selected, as well as plc controlling applied, the wire can be uniform heated along cross - sectional and longitudinal direction and can be quenched and tempered continuously
應加熱油淬火-回火彈簧鋼絲，是二十世紀八十年代發展起來的新技術材料，在國外稱為itw induction heat oil tempered spring wire 。是通過線圈電磁感應鋼絲本身產生的渦流進行加熱，通常主要用於表面淬火。經正確設計，選擇電流頻率，合理的感應線圈及熱處理工藝，並實施plc控制，可使鋼絲整個截面及長度上得到均勻加熱，進行連續整體淬火和回火。The types of the detection equipments and apparatus are over 100, such as x - ray detector, r - ray detector, digital ultrasonic flaw detector, eddy current flaw detector, eddy current flaw detector, magnetic memory metal diagnostic instrument, acoustic emission testing an analyzing system, three - dimensional ultrasonic testing system, microcomuterhydraulic pressureniversal testing machine, metalloscope, portable direct - read spectrograph, have achieved the national advanced technology
擁有各種檢測設備100多套，如射線探傷機、數字式超聲波探傷儀、渦流探傷儀、磁記憶金屬診斷儀、聲發射檢測及分析系統、三維超聲波檢測系統、便攜式直讀光譜儀、微機式液壓萬能試驗機、金相顯微鏡等，達到國內先進水平。Among the five kinds of nde ways ( rt, ut, et, pt, mt ), ultrasonic testing technology develops very fast because of its merits such as good orientation, strong penetration ability, higher energy and no harm to human health
在五大常規無損檢測方法中（射線、超聲、渦流、滲透、磁粉） ，超聲波無損檢測因其方向性好、穿透能力強、能量高以及對人體無害等優點而得到了迅速發展。The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop
在介紹渦流位移傳感器的基本理論的基礎上，分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響；探頭直徑對線性的影響；探頭線圈電阻對溫度特性的影響；激勵信號溫度特性的影響：檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。This is a highly tricky exercise because vortical flow fields act in a complicated ( what scientists call nonlinear ) manner, making prediction difficult
這可難了，因為渦流場的變化模式非常復雜（就是科學家所說的非線性變化） ，難以預測。For the leakage often occured on condenser brass pipe of hanchuan power plant, using differential inner insert detecting coil the on - line multi - frequency eddy current check technology effectively restrains interferance source signal from support board, etc, improves measuring sensitivity and the measuring result gets more reliable
摘要針對漢川電廠凝汽器銅管在運行中多次發生泄漏，利用差分內插式檢測線圈，通過多頻渦流檢測技術對凝汽器進行渦流在役檢測，有效地抑制了支撐板等干擾源信號，提高了檢測靈敏度，使得檢測結果更可靠。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Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。The basic parameters, such as temperature, pressure, turbulence kinetic energy and the turbulent kinetic energy dissipation rate, are also analyzed
繪制了壓力和溫度曲線，以及壓力、溫度、渦流動能、渦流動能擴散率等值線圖。Ltd. is a professional manufacturer of electrical devices connected to the manufacturers, the company combines research, production, sales of inte gration. currently principal products puncture clamps insulation, anti - swirl cable fixed fixture, nets, branch cable connector, shrink - cap closures, some products have been national patents
公司目前主要產品為絕緣穿刺線夾、防渦流電纜固定夾具、網套、分支電纜連接頭、熱縮封帽等，部分產品已獲得國家專利。Optical nondestructive testing as a kind of the nondestructive testing techniques is introduced and compared with the traditional nondestructive testing techniques like rt, ut and et, et al. its applied merits generalized illustrate that the shortages of nondestructive testing techniques can be covered by the optical techniques to a great degree, which indicates that the optical nondestructive testing has great advantages and application prospects in industrial testing area
介紹了一種新型無損探傷技術? ?光學無損探傷的應用，將其與傳統無損探傷技術（如射線探傷、超聲波探傷、渦流探傷等）進行比較，對其優點進行了總結，說明光學無損探傷可以在很大程度上彌補傳統技術中的不足，揭示了其在工業檢測領域的巨大優勢和廣闊前景。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。At some situation, this secondary flow causes the upper plate to have a suck - down force phenomenon
而橫向流會造成上沖噴泉流、渦流、壁流與停滯線等流場結構的改變，進而影響上平板之壓力分佈。The paper synoptically and comprehensively introduces eddy current theory, equivalent circuit, excitation coils, test circuit and application of the eddy - current sensors. a feasible solution of motor core height control based on silicon steel sheet thickness measuring with double eddy - current sensors is presented
論文在系統全面的分析了電渦流傳感器的基本原理、等效電路、激勵線圈、測量電路及應用后，提出將雙探頭測厚系統應用於電機鐵芯疊控制。So these circuits can be simplified. due to the power output of the electromagnetism vortex water heater has direct relation to the interval between the vortex board and the excitation loop plane
由於熱水器的熱功率輸出跟渦流加熱扳與勵磁線圈平面之間的距離有直接的關系，距離越小則輸出功率越大。Technical specification for yzrsw range of three - phase eddy - current brading wound rotor induction motors for column crane application
Yzrsw系列塔式起重機用渦流制動繞線轉子雙速三相異步電動機技術條件Technical specification for yzrw range of eddy - current braking wound - rotor three - phase induction motors for crane and metallurgical application
Yzrw系列起重及冶金用渦流制動繞線轉子三相異步電動機技術條件In addition to normal ndt methods, some advanced techniques such as x - ray real - time imaging and eddy current inspection are also introduced
採用的方法除常規的無損檢測方法外，還包括x射線實時成像檢測和電磁渦流表面裂紋檢測等方法。分享友人