比沖 的英文怎麼說

中文拼音 [bǐchōng]
比沖 英文
specific impulse
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. The solid rocket ramjet, which combines the techniques of ramjet propulsion and solid rocket propulsion, offers the following advantages for missile propulsion : high specific impulse, simple configuration, high credibility, convenient using and high maneuverability

    固體火箭沖壓發動機結合了沖壓技術和固體火箭技術，具有比沖高、結構緊湊、工作可靠、使用方便、機動性好等優點，是新一代超聲速戰術導彈的優選動力裝置。
  2. The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc

    研究表明，集氣腔總壓對推力器工作過程具有多方面的影響，在保證電弧穩定的情況下，適當提高集氣腔總壓可同時提高比沖和推進效率。
  3. A charpy test is usually much less expensive to perform than a fracture toughness characterization experiment.

    夏比（沖擊）試驗通常要比斷裂韌性試驗的費用低得多。
  4. Metallic materials - determination of charpy impact fracture surface

    金屬夏比沖擊斷口測定方法
  5. Steel - strain ageing sensibility test charpy impact metho

    夏比沖擊法
  6. The results showed that the thrust - weight ratio reached 1. 04 for the launch weight 5400kg in the condition of specific impulse near 600s

    結果表明:在發動機工作比沖接近600s的情況下，對于起飛質量為5400kg的飛行器而言，推重比為1 . 04左右。
  7. To optimize specific impulse to 700s or 800s, the thrust - weight ratio could be improved to 1. 23 or 1. 41, it is enough to achieve the launch requirement for this vehicle

    進一步將比沖優化至700s或800s ，可以將推重比提高至1 . 23或1 . 41 ，這樣就完全能夠保證發射任務的完成。
  8. The solid - propullant ducted rocket, which combines the advantages of solid propullant rocket and ramjet propulsion, is a new kind of combined propulsion system. it offers considerable advantages for missile propulsion, such as high specific impulse, high speed, light weight, long range, high maneuver and simple structure. as the major direction of the propulsion system for supersonic missile, the ducted rocket has good prospects

    它將固體火箭技術和沖壓技術有機結合在一起，具有比沖高、速度快、重量輕、射程遠、機動性能好和結構簡單等諸多優點，最大限度地滿足了新一代導彈對其動力裝置提出的要求，是超聲速導彈動力裝置的一個主要發展方向，有著廣闊的研究前景。
  9. The key technologies necessary to be solved to develop ion propulsion are also described, including improving perform ance ( specific impulse, thrust, availability ), prolonging life time, compatibili ty with satellite, and optical ion system

    闡述了發展離子推進需攻克的關鍵技術，其中包括提高性能（比沖、推力、工質利用率等） 、延長工作壽命、與衛星的相容性、離子光學系統等。
  10. Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated

    以氬氣作為推進劑，在不同工況下進行點火實驗，測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數，得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數，分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響，為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。
  11. Field use and test shows that, ( 1 ) the coupler drive system improves the soft characteristics in the starting and transmission of the pumping unit ; ( 2 ) the new drive system solves the problems of drive slippage and frequent change of rubber belt ; ( 3 ) it provides large transmission rate and enables adjusting the stroke number optionally ; ( 4 ) the system efficiency of the pumping unit can be improved and power consumption can be lowered by using the coupler drive system

    現場應用測試表明： （ 1 ）耦合器傳動系統可改善抽油機啟動和傳動中的軟特性，提高整機和抽油桿的使用壽命； （ 2 ）解決了抽油機膠帶傳動中打滑「丟轉」和頻繁更換膠帶等問題； （ 3 ）實現了抽油機大傳動比，沖次任意可調，從而滿足供液不足油井和稠油注蒸汽生產井的不同需要； （ 4 ）可提高抽油機系統效率2 . 24 % ，日耗電量下降39 . 6 % 。
  12. Precision controls of primary propulsion, orbit control, high precision attitude control and stationkeeping on micro - satellites are required, which appeals for more advanced in orbit propulsion technologies, with low volume and weight, high isp

    對于微、小衛星上的主推進，軌道控制，高精度姿態控制等任務，要求應用於微、小衛星的推進技術具有重量輕、體積小、比沖高等特點。
  13. With advantages of simple and reliable in structure, high isp and easy control over a wide range of thrust, pulsed plasma thruster （ ppt ） is very suitable for micro - satellite ' s orbit control and high precision attitude control

    脈沖等離子體推力器（ ppt ）具有結構簡單可靠，比沖高，推力在較大范圍可控的特點，適合用於微、小衛星軌道控制和小衛星高精度姿態控制，其研究和應用得到了重視。
  14. The internal structure has been optimized to reduce the heat loss and increase the specific impulse

    本文通過優化發動機其內部結構，減小了熱損失，提高了比沖。
  15. Steel - strain ageing sensibility test charpy impact method

    鋼的應變時效敏感性試驗方法夏比沖擊法
  16. The research indicates that mpt shows many advantages, such as moderate specific impulse, high efficiency, long lifetime, low plume contamination, simple structure, low weight, and so on

    通過研究表明， mpt具有比沖適中、效率高、壽命長、羽流污染小、結構簡單和重量輕的特點。
  17. Microwave plasma thruster ( mpt ) is a new type of electro - thermal thruster, which has widely applied prospect because of its high specific impulse, long lifetime, low plume contaminant and so on

    微波等離子推力器（ mpt ）是一種新型的電熱型推力器，它具有比沖高、壽命長、羽流污染小等優點，具有廣闊的應用前景。
  18. The research of propellant energy performance indicates that the special impulse and characteristic velocity are significantly depended on o / f ratio and weakly depended on chamber pressure

    過氧化氫和pe燃料組合的能量研究表明：發動機的比沖和特徵速度與配比密切相關，與燃燒室壓強關系不大。
  19. Test results have shown that with discharge energy of 40 j, our ppt ' s thrust has reached more than 0. 605 mn, and its isp is 1188 s and weight is 4. 2kg, which reaches the level of current ppt used in the world

    所研製的脈沖等離子體推力器樣機質量為4 . 2kg ，在放電能量為40j時，推力為0 . 605mn ，比沖為1188s ，達到國際同期空間試驗樣機的水平。
  20. Curves of constant specific impulse are traced inside the triangle.

    比沖為常數的曲線則畫在三角形內部。
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