電磁場的應力 的英文怎麼說
中文拼音 [diàncíchǎngdeyīnglì]
電磁場的應力
英文
stress of electromagnetic field- 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...
- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 的 : 4次方是 The fourth power of 2 is direction
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 電磁場 : electromagnetic field電磁場極化 polarization of electromagnetic field; 電磁場理論 [物理學] electr...
- 電磁 : [電學] [物理學] electromagnetism電磁安(培) abampere (電磁系電流單位); 電磁泵 electromagnetic ...
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Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively
高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外,與驅動電壓、驅動電路的設計密切相關,本文通過分析,首先開發出一種高低壓驅動電路,高壓電源是山升壓式dc - dc原理獲取的,低壓由蓄電池本身提供,實現高壓強激和低壓維持的功能,電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流,加誣了電磁閥的關閉速度;採用自舉吐路,降低了場效應管對驅動電壓的要求。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。The stresses and nonlinear deformations of thin strip - plate with two simply supported edges under the coupled action of the electromagnetic field arid mechanical load are calculated, the magneto - elastic effects on thin current - carrying strip - plate by the side current and electromagnetic induction density are studied
由此計算分析兩邊簡支條形薄板在電磁場和機械載荷耦合作用下的應力與變形,研究側向電流和外磁場強度對載流條形薄板的磁彈性效應。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。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。According to the characteristic transformation of the eme in the process of its deformation, the stress concentration belt engendered by the coal wedge of the protective coat can be ascertained and the electromagnetic radiation measured result is consistence with the calculation result of the site survey materials
根據煤體變形破裂過程中產生的電磁輻射信號特徵變化,確定了保護層采空區煤柱產生的應力集中帶,電磁輻射測定結果與現場勘測資料計算結果相吻合。Considering slpmu - 025a produced by japan shinko motor company ltd. as our study project, this thesis presents a study on two - phase hybrid lsm, the study objects and some conclusions presented in the thesis are : ( l ) the 3d model of slpmu - 025a is formed by software maxwell 3d. then, the 3d magnetic field of the motor is analyzed by fem ( fenite element method ) analysis. here, the analysis of the magnetic field is in focus on the region of tooth - layer
本文以日本神鋼電機株式會社生產的slpmu - 025a為研究樣機,對二相混合式直線步進電動機進行了研究,內容包括: ( 1 )用maxwell3d軟體建立了slpmu - 025a的三維模型,通過有限元分析計算了電機的三維磁場,重點分析了電機齒層區域的磁場; ( 2 )應用maxwell3d的后處理計算得到了電機的靜推力? ?位移特性,並與實驗進行了比較; ( 3 )利用matlab中的simulink建立了動態模擬模塊,模擬了電機的部分動態特性,並用實驗進行了驗證。Various flow mechanisms and interactions between electromagnetic field and high temperature ionized gas were covered in the fluid dynamic and electromagnetic equations, and various impact reactions were taken into account in the chemical dynamics model
流體力學方程組和電磁場方程考慮了多種流動機理及電磁場與高溫電離氣體的相互作用,化學動力學模型考慮了各種碰撞反應。Abstract : with adopting of a frame of the principal fibre bundle. the article constructs a unified model of gravity and electromagnetic with torsion both in internal sp ace and in four - demensional space - time. the curvature on the bunde is calcula ted using connection theory in the principle fibre bundle. the action is construc tod with the curvature. the field equations are achieved. finally a discussion is made
文摘:應用纖維叢理論,在內部空間和四維時空引入撓率,建立了引力與電磁場的統一模型.利用纖維叢聯絡論求出主叢的標曲率,由它構造作用量,求得場方程,最後作一些討論In this paper, the calculation is made of the electric stress distribution and specific absorption rate ( sar ) distribution in the human body exposed to the stable plane wave and nuclear explosion electromagnetic pulse and microwave weapon electromagnetic pulse
本文主要討論了振幅為100 、隨正弦規律變化的穩態平面波、核爆炸脈沖波和微波武器脈沖波作用下人體內的電場應力的分佈,同時也給出了在上述電磁波的作用下sar (比吸收率)的分佈。Finally, the wave equation of the electromagnetic field of this kind damper is derived from the maxwell ' s equation. the magnetic flux density at the boundary is assumed to be harmonic, so the analytical result of the wave equation is solved. when the rotor rotates, eddy currents flowing inside the conducting material field are caused
最後,應用ahrens的電磁軸承簡化模型,從maxwell方程出發推導了應用於本文所述的被動式電磁阻尼器的波動方程,並用傅立葉級數把矩形磁場展開的諧變磁場作為磁場的邊界條件,通過求解波動方程得到磁場的解析解,從而計算了阻尼器對轉子的電磁力和由渦流引起的切向力產生的阻尼器附加功耗。In the calculation of static magnetic field, the finite element method ( fem ) is used. the force characteristic of pma with exciting current and without exciting current are calculated and analyzed
其中靜態磁場的計算採用了目前應用較為廣泛的有限元方法,對永磁單獨作用的機構靜態吸力特性和激磁電流與永磁共同作用的吸力特性進行了分析計算。A sensing magnetic field and displacement type of giant magneostrictive microdisplacement actuator with the functional of sensing driving magnetic field and microdisplacement is developed, and the design theories and approaches being applicable this type of microdisplacement actuator are pointed out : a circular diaphragm type of flexible construction that acts as integration mechanism of microdisplacement transferring and sensing of giant magnetostrictive microdisplacement actuator is adopted, sheet flexure theory of elasticity mechanics and approach of finite element are applied to design and calculate it, corresponding deflection and analytic formula and distribution curve of stress are given, and the specific achieving approaches of measuring principle and magnetic field sensing function of driving field in giant magnetostricitive rod are pointed out the magnetic field sensing function of the actuator is used to practically measure driving magnetic field of actuator and to obtain the relationship of driving magnetic field and coil current, which is also analyzed and studied
其中,採用圓形膜片式柔性結構作為超磁致伸縮微位移執行器的微位移傳遞、感知一體化機構,應用彈性力學中的薄板彎曲理論、有限元方法對其進行了設計、計算,並給出了相應的撓度和應力解析式及分佈曲線;應用電磁理論給出了超磁致伸縮棒內驅動磁場的測量原理及磁場感知功能的具體實現方法,並利用執行器的磁場感知功能對其驅動磁場進行了實際測量,得出了驅動磁場與線圈電流之間的關系,並對其進行了分析和研究;對執行器內部的電磁路和偏置磁路結構進行了設計計算與實驗研究,為了減小驅動線圈的發熱,對其形狀進行了優化設計。Due to the ac stark effect, neutral atoms will undergo a dipole force from the inhomogeneous electromagnetic fields, while the dipole force acting on the atoms is proportional to the atomic dipole momentum and the gradient of light field
由於交流斯塔克效應,中性原子在非均勻電磁場中會受到的光偶極力的作用,偶極力的大小正比與原子的感生偶極矩及光場的梯度。Abstract : the anti - plane problem in transversely isotropic magnetoelectroelastic materials containing an elliptic inclusion is considered by using the complex variable approaches. the analytical expressions for the field variables in both the matrix and the inclusion are obtained when the stresses and the electromagnetic fields at infinity are uniform. the results show that the stress, the electric displacement and the magnetic induction inside the inclusion are constants
文摘:用復變量方法研究了橫觀各向同性電磁彈性固體的反平面夾雜問題,得到了遠場均勻應力和電磁場作用下夾雜內外彈性場和電磁場的解析表達式,結果表明夾雜內的應力、電位移和磁感應強度為常量。In our experimentation, we combine fiber bragg grating with tb - dy - fe single crystal, we can measure the current which produces the magnetic field when we measure the shift of bragg wavelength because of magnetostrictive strain of tb - dy - fe single crystal in magnetic field, we also study the relation between bias field, strain of current sensor
本實驗將光纖布拉格光柵與tb - dy - fe結合起來,利用tb - dy - fe在磁場下的伸縮引起布拉格波長的改變,來測量產生磁場的待測電流的大小。在實驗中我們還研究了偏場,預應力與傳感器的關系,在這個過程中我們找到了與傳感器有關的最佳設計參數。Standard definitions of terms relating to corona and field effects of overhead power lines
與架空電力線路電暈和磁場效應有關術語的標準定義Now fepg has been applied to superconductor research, electromagnetic field study, petroleum exploration, transportation, structure engineering, water conservancy, ship mechanics, solid - liquid coupling problems and liquid dynamics, etc. in china
目前,有限元程序生成系統已經應用於超導、電磁場、石油勘探、結構工程、交通、水利、船舶力學、液固耦合及流體力學等方面的研究。Based on the national high technology project named “ the study of the magnetic levitation vehicle ’ s electromagnetic field ”, this paper made analytic and numerical analysis of the ems high - speed magnetic levitation vehicle ’ s electromagnetic systems, designed the automatic magnetic fields measurement system for high - speed magnetic levitation vehicles and applied it to measure the air - gap magnetic fields of the ems high - speed magnetic levitation vehicle ’ s experimental system. the paper also studied the soft measurement technology of the high - speed magnetic levitation vehicle ’ s electromagnetic forces when it is moving
本文以國家863項目「車輛電磁場研究」為背景,對常導型高速磁浮列車的電磁系統進行了解析分析與模擬分析,設計了高速磁浮列車三維磁場自動測量系統,應用該系統對常導型高速磁浮列車實驗系統的氣隙磁場進行了高精度測量,並對列車運行情況下電磁力的軟測量技術進行了研究。The electromagnetic finite element software is programmed using the ansys and the thrust is calculated that the linear motor ' s end effect brings
編寫基於ansys的電磁場有限元分析程序,計算主要由直線電機端部效應引起的波動推力。分享友人