電弧分佈 的英文怎麼說

中文拼音 [diànfēn]
電弧分佈 英文
arc distribution
  • : 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...
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙壓相位為同相,輸入端匹配.實際測量了天線輸入端壓駐波比和h面方向圖,理論與實驗相吻合
  2. Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice

    空氣間隙的存在使覆冰絕緣子表面的發生了明顯畸變,間隙上承受了非常高的壓,這使得冰凌尖端的場變得相當強,一旦場達到了暈的起始場,局部放就在這一區域發生,進而產生局部並逐漸發展成整串的閃絡,泄漏流迅速增大,同時伴隨著冰的融化。
  3. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了流峰值時觸頭間隙中心平面和觸頭片上的縱向磁場,可以看出加入鐵芯后縱向磁場強度和徑向磁場均勻性增強,這有利於提高真空的穩定性。
  4. The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details

    本項優化試驗研究的目的主要在於,通過泄洪系統整體水力學試驗,校核泄洪洞的泄流能力;通過發引水系統整體水力學試驗,研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速情況;確定快速閘門井內水位波動幅度;試驗確定壓力管道水擊壓力穿井系數以及泄洪洞形門處的水壓力。
  5. In addition, electric field distribution of arc - quenching chamber is calculated in adopting anasys software and the largest electric field intention is analyzed under the impulsion voltage and infrequency voltage, then the size of insulation porcelain cover is determined

    採用anasys軟體計算了滅,並對沖擊壓和工頻壓下的最大場強度進行了析,確定了絕緣瓷套的尺寸。
  6. With the software of ansys, the electric field of arc quenching chamber is calculated, and the insulating structure is also optimized

    應用ansys軟體計算了滅,並對絕緣結構進行了優化。
  7. Abstract : this article analyzes the reason and influence of magnetic blow on welding arc during the welding process. through the adjusting and improving of the magnetic field distribution, adopting the anti - magnetic erasing method to eliminate the influence of magnetic blow for welding arc

    文摘:析了磁偏吹在焊接過程中對焊接的影響以及產生原因,通過調整和改善焊接周圍磁場,並採用反消磁法,克服和消除了磁偏吹對焊接的影響。
  8. By the test of three - dimensional distribution, form character, rotating frequency and magnetic field intensity of rotating magnetic field, it showed that the magnetic field produced is a highly rotating magnetic field and mainly distribute on welding arc region, rotating frequency and magnetic intensity can be regulated through excitation power source

    通過對產生磁場的空間,形態特徵,以及旋轉頻率和場強大小的測試證明該磁場是一個高速旋轉的磁場空間,而且磁場主要集中在焊接區域內,磁場的旋轉頻率和場強大小都可以通過勵磁源進行良好調節。
  9. The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no

    本文採用積方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維進行了計算析。研究了燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性,利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。
  10. Chapter one of the thesis introduces the vacuum structure, operation principle and electric arc characteristic of the vacuum killing arc room concisely, and retrospected the development of the vacuum killing arc room briefly, and indicated the research purpose and meaning of thesis at the same time. chapter two introduces the design process and manufacturing technology of the vacuum killing arc room possessing cup form horizontal magnetism touch head structure. electric magnetic field finite element, an analytical soft of ansoft company, and msc non - linear finite element, an analytical soft of marc of company, have been adopted to analyze the distribution state of the horizontal magnetic field between the touch heads, electric field intensity distribute state and temperature rise situation which the touch head produced

    論文的第一章首先是對真空滅室的結構、工作原理和特性進行了簡明的闡述,同時對真空滅室的發展做了一個簡要的回顧,並表明了本論文的研究目的和意義;第二章介紹了杯狀橫磁真空滅室的設計過程和製造工藝;採用ansoft公司磁場有限元析軟體和msc公司marc非線性有限元析軟體析了觸頭結構產生的橫向磁場在觸頭間的狀況、場強度狀況以及溫升情況。
  11. This paper has studied the structure of the one - sixth turn axial magnetic field of the cup vacuum interrupter with iron core and distribution of the axial magnetic field. the axial magnetic field reduces loss of radial energy of arc post plasma, and makes the arc voltage reduce

    本文著重研究了帶鐵芯的1 / 6匝杯狀縱磁真空滅室的結構以及縱向磁場的,縱向磁場的引入降低了柱等離子體徑向能量損失,使壓降低。
  12. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如源系統、點火系統、推進劑供給系統、加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定
  13. Associated tightly with the stokes measured in small capacity current breaking and short - circuit breaking test duty t100a ( short arc, middle arc and long arc ), the electric field distributions 3 ms after current zero have been calculated. the cold gas flow field corresponding with small capacity current breaking is calculated. based on the results derived from one - dimensioned gas flow field simulation, the two - dimensioned gas flow fields corresponding with short - circuit breaking test duty t100a ( short arc and middle arc ) are calculated as well

    本文採用與試驗緊密結合的方法,在給定機械行程曲線的基礎上對三峽工程中採用的550kvsf6斷路器在開斷小流、短路開斷方式5短、中、長燃流過零后3ms內滅室二維靜進行了析計算;對該斷路器開斷小流時近似的冷態場進行了二維模擬析計算;在對短路開斷方式5短、中、長燃一維氣流場進行析計算的基礎上進一步採用一維氣流場和二維氣流場相結合的方法,對該斷路器開斷方式5短燃和中燃對應的二維熱態場進行了析計算。
  14. The temperature field around the crack tip in a current - carrying plate with a penetrated arc - crack under the action of transient pulse current was calculated and analyzed using complex function analysis solution

    摘要給出含有圓裂紋的載流薄板在通入強大脈沖流瞬間,裂紋尖端處溫度場的復變函數解。
  15. Three - color measurement of arc temperature field distribution based on ccd

    的三色法測量溫度場
  16. The electric field of phase - phase, phase - earth of three - phase arc quenching chamber of the circuit breaker is calculated, insulation character is analyzed and the circuit breaker ' s whole insulating structure are ensured

    計算了斷路器三相滅室斷口相間、相對地等的,對絕緣性能進行了析,確定了真空斷路器整體絕緣結構。
  17. The influence of parameters such as mass flow, input power, and constrictor size on arcjet performance is also analyzed. this work provides an experimental foundation for the numerical simulation study and optimized design of arcjet. a high - speed, high - resolution, multi - line spectroscopic diagnostic system has been improved to diagnostic the excitation temperature of arcjet plume

    本文優化並改進了一套高速、高精度的多譜線等離子體光譜診斷系統,使其適用於加熱發動機羽流激發溫度的診斷,並利用該系統診斷了發動機出口羽流的非平衡程度和溫度沿徑向的
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