磁軸線 的英文怎麼說
中文拼音 [cízhóuxiàn]
磁軸線
英文
axis of magnet- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 軸 : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 軸線 : 1 [機械工程] axis; axle; [地質學] axial trace; axial cord; axis shaft line; shaft line 2 [紡織] s...
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Birds and compasses know north from south because, like a giant bar magnet, the earth ' s magnetic field has two poles that line up closely with the planet ' s axis of rotation
候鳥與指北針都知道何為北方、何為南方,因為地球就像一條巨型磁鐵棒,它的磁場有兩極,且這兩個地磁的磁場線和地球的自轉軸非常接近。When electrons move in spirals around magnetic lines of force, radio waves are produced and radiated out along the two magnetic poles of the star. usually, the rotational axis of the neutron star does not align with the magnetic axis. the radiation beams will sweep around and create the
通常恆星的自轉軸和磁軸並不一致,中子星亦不例外,所以沿著磁軸向外發射的無線電波束,在中子星自轉的帶動下,便會如燈塔般向宇宙掃射,這便是著名的( 3 ) we investigate the nonlinear dynamics of the rotor - ambs system in 1 / 3 and 1 / 2 subharmonic resonances. using the multiple method of scale, the averaged equations of the rotor - ambs system are obtained
( 3 )利用多尺度方法,研究了電磁軸承-轉子系統的1 3亞諧共振和1 2亞諧共振情況下的非線性動力學,得出了兩種共振情況下的頻幅響應方程。The nonlinear electromagnetic force may cause the large oscillations of the rotor in some parameter regions. thus, the studies on the properties of the nonlinear dynamics and the stability for the rotor - ambs system play an important role in the engineering
非線性力的作用使轉子在某些參數域中產生相當大的振動,因此分析該類系統的非線性振動特性和穩定性一直是電磁軸承-轉子動力學研究的重要課題。Because most of the components in ambs are of the nonlinear characteristics, the dynamics in ambs is very complicated. the electromagnetic force is a nonlinear function with respect to the displacement of the rotor and the controlling electric current
主動式電磁軸承( ambs )被廣泛地應用於工業和航空航天工程中,但由於電磁控制力是被控對象的位移和控制電流的非線性函數,因而構成了一個非線性機電系統。The two - degree - of - freedom nonlinear system with cubic nonlinearities will be used to explore the bifurcations and chaotic dynamics in the rotor - ambs system with eight pole pairs. the results obtained by the dissertation show that there exist the chaotic motions in some parameter regions
本文研究了電磁軸承-轉子系統的非線性動力學,表明電磁軸承-轉子系統在某些參數區域內可以出現全局分叉和混沌運動。The applications and developments of the rotor - ambs system in the engineering are showed in recent years. in particularly, we present the results for the studies of nonlinear dynamics in the rotor - ambs system. we also point out the trend of the rotor - ambs system in future and the necessity of the study on the nonlinear dynamics of the rotor - ambs system
本文的研究內容和所獲得的主要結果有以下幾個方面: ( 1 )綜述了磁懸浮研究的歷史,介紹了主動式電磁軸承-轉子系統在工程實際中的應用,主動式電磁軸承的研究現狀,總結了近十年來國內外對電磁軸承-轉子系統非線性動力學的研究進展和取得的成果,指出了電磁軸承發展的趨勢及進行非線性動力學研究的必要性。According to biot - savart law, the general expression of magnetic field distribution generated by circular current in space has been calculated in this paper, which further discusses the magnetic field in the plane, the central axis and the far space
摘要直接由畢奧薩伐爾定律的計算公式,在更為普遍的情況下,計算出了圓形線電流在全空間的磁場分佈,並進一步討論了其在中心軸線上、平面內及遠區的磁感應強度。In the anistropic magnetic medium under the condition of magnetic permeability 11unequal to 33, the magnetic field on axis line of current - carrying coil and that inside current - carrying solenoid can be calculated by applying biot - savart law of that medium. as the condition of their service is restricted, it is necessary to derive the magnetic field on axial line of current - carrying coil and that inside current - carrying solenod under more general condition of 11unequal to 33. on the basis of the magnetic field on axial line of current - carrying coil in anisotropic magnetic medium under the derived condition of 11unequal to 33, the authors obtain the magnetic field on axial line of current - carrying solenoid in anisotropic magnetic medium under general condition of 11unequal to 33. the result shows a wider applicable coverage
利用畢奧-薩伐爾定律,並在磁導率11 = 33的條件下,可求出各向異性磁介質中載流圓線圈軸線上的磁場,以及載流直螺線管內部的磁場.顯然,其使用條件受到限制.為此,有必要導出在11 33的更一般情況下,各向異性磁介質中載流圓線圈軸線上磁場和載流直螺線管內部的磁場.在已導出11 33及各向異性磁介質中載流圓線圈軸線上磁場的基礎上,求出一般情況下各向異性磁介質中載流圓線圈軸線上的磁場,使其結果適用范圍更廣Tape : a liner magnetic storage device rolled onto a reel or cassette
磁帶:線形的磁存儲器,卷在軸上或磁帶盒裡。Then the eigenequations were obtained by using the recursive relations among their coefficients
利用電磁場的系數遞推關系,進一步推出了此種同軸線的特徵方程。The microwave delaylines using hts thin films have the advantages of small size and mass and low insertion lose. these characters are much better than the delaylines using surface acoustic wave, coaxial - line, magetostatic wave or conventional metal planar structures. these merits benefit a lot in largely reduction the mass and volume of communication systems
利用高溫超導( htsc )薄膜材料研製的微波延遲線具有體積小、重量輕、插損小等優點,這是利用聲表面波、同軸線、靜磁波或常規金屬平面結構設計的延遲線所無法比擬的。這些優點對于減輕通信系統的重量和縮小體積都是非常有利的。Aimed at the actual applicative requirements of models in the control system, two kinds of linearization method for magnetic force of permanent electromagnetic bearing have been advanced
摘要針對控制系統模型的實際應用需要,對永磁電磁軸承的磁力提出了兩種線性化方法。It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap
實驗中還發現,在峰值磁場0 . 57t和束流半高寬44ns情況下,得到了25ns半高寬和35ns底寬的微波脈沖信號,隨著導引磁場增加,微波信號幅值基本不變,但國防科學技術大學研究生院學位論文是微波脈沖寬度會逐步減少;實驗中還發現磁場線圈位置有一定的軸向調節范圍,說明在磁場軸向分佈的一定變化范圍內,器件都可以正常工作,這對以後的永磁場系統導引的微波實驗有利。Firstly, considering the molecular pump is small and the elimination of heat condition is bad, this paper presents the structure of the mb, including the material of the rotor and stator, the number of magnetic poles, the stator slot shape of mb, the layout of the magnetic poles, the coins winding and so on
首先綜合考慮了分子泵體積小、磁軸承散熱條件不好的特點,設計了分子泵磁懸浮軸承的結構,選擇了軸承鐵芯的材料,設計了磁極的布置、槽的形狀、磁極數目和線圈纏繞方式。The experiment results show that the rotor can be suspended with dc when adopting motor ' s coiling method, which testifies the feasibility of integrative control by adding ac to windings coiled in this method, and lay out good foundations for further investigation
實驗結果表明,在電機繞線方式下能夠進行轉子的懸浮實驗,從而證明了採用電機繞線法進行動力磁軸承交流綜合控制實驗的可行性,為今後的深入研究工作打下了基礎。The results of calculation prove : the new structured coaxial probe is superior to the traditional coaxial probe in both sensitivity and penetrating depth when used to measure the dielectric properties of chemical reactants or layered biological tissues, and the relationship between the measurement sensitivity of this new structured probe and the frequency of electromagnetic wave are obtained, which provides the optimal frequency for the actual application
計算結果表明:在化學反應溶液及生物分層組織介電特性參數的測量中,這種新型的同軸探頭在測量靈敏度及透入深度兩方面都優于傳統的平口同軸探頭。通過計算模擬還得出了這種新型同軸線探頭的測量靈敏度與電磁波頻率的關系,為進一步研究其最佳測試頻率提供了有價值的參考依據。Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results
利用退磁曲線法,推導磁力泵聯軸器能量通用公式,導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法,周向傳動轉矩計算方法,結合試驗結果,總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。To tackle this problem, a novel methodology is proposed to suppress the vibration of the spindle by means of chatter frequency identification and on - line regulation of spindle speed
為此,本文採用辨識顫振頻率和主軸轉速在線調節的方法,與磁軸承控制相結合抑制主軸振動,取得良好效果。The basic performance limit expressions about this novel mb is derived in order to design it. the novel magnetic bearing is analyzed employing the finite element method and has been integrated into a test facility with very simple control met hod, and the results of selected experiment have been provided
在以上分析的基礎上,推出磁懸浮力的線性化方程,計算了電流剛度和位移剛度,同時提出了這種磁軸承的性能指標公式,為該磁軸承的設計提供了理論依據。分享友人