模型線圈 的英文怎麼說
中文拼音 [móxíngxiànjuān]
模型線圈
英文
model coil-
As the single rectangular coil is the routine induction probe, the system is simulated based on the theory of a - v - a. the perfect induction field is studied. the corresponding relations between the slots and the field are also analyzed, as well as the measurement scale is given here
)描述下交變磁場測量技術單矩形線圈激勵形式下的數值模擬模型,從場量檢測的角度出發,分析了無缺陷情況下該系統的電磁場分佈特性,以及有缺陷情況下缺陷與場分佈的對應關系以及缺陷檢測的數值范圍。The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation
利用建立的rogowski線圈的數學模型對溫度和外界干擾磁場的影響進行了分析,得出了溫度造成的相對誤差與線圈骨架和繞組線圈熱膨脹系數之間的關系;從兩個方向上分析了干擾磁場對線圈精度的影響;分析了溫度對積分器的影響等。Mathematical model for coil - coding control rod position detector in pwrs
壓水堆線圈編碼控制棒位置探測器的數學模型The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed
本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式,分析靜態力?位移特性; ( 3 )建立空芯動圈式直線永磁同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。A mathematical model was established to characterize the relation between the control current of coil and the deformation of giant magnetostrictive tool rod
通過理論分析導出了線圈控制電流與超磁致伸縮刀桿變形量之間關系的數學模型。Below are the work and results of the dissertation : 1. analytical solution to the eddy - current transducer with ferrite core according to the practical eddy - current transducer used in eddy - current not, the analytical model described by a solenoid coil with a coaxial cylindrical ferrite core of finite length " is established
論文的主要工作和結論概括如下:一、渦流傳感器電磁場解析解根據渦流無損檢測中實際使用的放置式線圈傳感器,建立了含有共軸有限長磁芯的通電圓柱線圈電磁場分析模型。This paper introduces the initiation principles and c alculates the burst current of bridge foils that is measured by rogofiski coil, a nd the results are consistent with those computed initiation model. this s hows the validity of measurement results and the accuracy of experimental models
介紹了橋箔起爆機理,計算了爆發電流,採用羅果夫斯基線圈對橋箔的爆發電流進行測量,其結果與計算值符合得很好,說明了橋箔起爆模型的準確性和測量結果的有效性。Abstract : this paper introduces the initiation principles and c alculates the burst current of bridge foils that is measured by rogofiski coil, a nd the results are consistent with those computed initiation model. this s hows the validity of measurement results and the accuracy of experimental models
文摘:介紹了橋箔起爆機理,計算了爆發電流,採用羅果夫斯基線圈對橋箔的爆發電流進行測量,其結果與計算值符合得很好,說明了橋箔起爆模型的準確性和測量結果的有效性。In the past, two following respects that the study on magnetoelastic stability theory was main and centralized : first, setting - up and revision of the soft ferromagnetism plates buckling theory model ; second, represented by the tokamak thermonuclear current - carrying rector coil, the stability of current - carrying coils and poles under magnetic field has been studied
以前,對磁彈性穩定性理論的研究主要集中以下兩方面:一、軟鐵磁性薄板屈曲理論模型的建立及修正;二、以tokamak核聚變反應堆環向磁場載流線圈為代表的對載流線圈及載流桿件的穩定性研究。The equation of the pressure of scroll chambers 、 the force of axis 、 the force of radial 、 the force of tangent 、 inertial force 、 the composition of forces and the inertial movement is given. a dynamic model of scroll compressor of combination profile is developed, based on the analysis of the movement of the moving parts. this can provide base of theory for dynamical balance design 、 intensity design and reliability analysis
論文利用pro / e軟體建立新型組合曲線渦旋壓縮機動渦盤的三維實體模型,在此基礎上根據受力情況對動渦盤的渦圈進行了有限元分析,探討動渦盤在工作過程中由於氣體力的作用而產生的應力與應變規律,為進一步完善動渦盤的設計提供了理論依據。However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences
干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系,即干涉相位差,方位角或仰角是直接由干涉相位差計算得到,或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓(電流)分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈,模擬顯示出來波方位,干涉儀測向為典型的相位測向方法。Firstly, the temperature varies in a large range in the place where the gap sensor works, so this paper analyzes the temperature drift of gap sensor, and finds out that the main reasons which result in temperature drift are the resistance of detecting coil and demodulating circuit parameters. to resolve this problem, a practical design of detecting coil is given, and a compensative measure considering the detecting coil and demodulation circuit is proposed to improve the temperature stability of gap sensor
首先,針對間隙傳感器工作環境溫度變化較大的情況,本文對間隙傳感器溫度漂移現象進行了分析,認為檢測線圈電阻和檢波電路參數變化是造成傳感器溫漂的主要原因,建立了檢測線圈的數學模型,提出了檢測線圈和檢波電路綜合補償方法,解決了間隙傳感器的輸出信號溫度穩定性的問題。Thermal cycle testing of form - wound stator bars and coils for large generators
大型發電機用模繞定子棒和模繞線圈的熱循環試驗Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible
結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 : 1模型試驗,對比分析了兩種后張預應力施工體系的優劣,歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律,驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性,確定了預應力混凝土壓力管道理論計算方法的可行性。Finally, based on the results of theory and simulation, a model of reluctance coil launcher is realized. it is proved that the new launcher overcomes the shortcomings of the traditional coil launcher whose discharge time is difficult to control and structure is complex. the excellent performance of the launcher is proved by the experiment data
最後,根據理論分析和模擬結果,搭建了一種磁阻型線圈發射系統,實驗結果說明該發射系統克服了傳統磁阻型發射器放電時間難于控制和線圈結構復雜的缺點,實驗數據很好地驗證了新型發射器的理論設計和模擬結果,為今後的學習積累了實驗數據和實踐經驗,為進一步的研究探索提供了指導。A model of letting out of no oil ubricated double whirlpools vortex air compressor was set up, the length of leak line of one cycle was calculated the change of the leak line at work, the change of the length of leak line varying with the crank corner, and the change of the leak amount varying with the pressure of revealing atmospheric and crank corner were analyzed
摘要建立了無油潤滑雙渦圈渦旋壓縮機的泄露模型,根據型線的幾何理論計算了一個周期內泄漏線的長度,分析了在工作過程中泄漏線的變化,泄漏線長度隨曲柄轉角的變化,以及泄露量隨排氣壓力,曲柄轉角的變代情況。Secondly, grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area, the paper built the elastoplastic fem numerical simulation model, and think over the procedure in tunnels excavation and the history of work of water load, and then get the relations between the different tunnels diameter, different permeability coefficient and depth of the grouting rock and the deformation, stress distribution and plastic range of the surrounding rock and support structure. finally, according to the modern design theory of tunnels construction, the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels
接著,本文在深入研究工程區高外水壓力及高地應力分佈規律及巖體特性的基礎上,建立起高地應力、高外水壓力作用下隧洞圍巖結構非線性有限元模擬計算模型,然後考慮隧洞的開挖過程、水荷載的作用歷史,通過計算分析得出了不同洞徑、不同的灌漿圈滲透系數和不同的灌漿圈深度以及不同開挖過程與圍巖及支護結構的應力、位移和塑性區的關系。On the basis of analysis of design criterion of shaft washer and housing washer of tandem composite type cylindrical roller thrust bearing, we present a mathematic model for optimal design in accordance with line contact requirement for cylindrical roller and race, design the washers thickness and thickness variation angle by the search algorithm of constrained stochastic direction
摘要在分析串聯組合型推力圓柱滾子軸承軸圈和座圈設計準則的基礎上,按滾子與滾道線接觸要求建立其最優化設計數學模型,採用機械優化設計中的約束隨機方向搜索法計算軸圈和座圈的厚度、厚度變化角。Next, we design a new type launcher by combining the characteristic of two types of coil launchers. the result of simulation shows that the new launcher is not only a reluctance accelerator, but also a induction accelerator. the new launcher has good performance and great practical worth
綜合兩種線圈發射器的特點和各自的結構參數,設計出了一種新型線圈發射器,對新型線圈發射器進行模擬分析的結果表明,該新型發射器既可實現磁阻型發射,又可實現感應型發射,具有良好的發射效果和應用價值。分享友人