arcjet 中文意思是什麼

arcjet 解釋
電弧火箭
  1. 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。
  2. 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。
  3. Advanced arcjet system will be one of the favorite choices with the development of space technology and the demand of aerospace task

    隨著空間技術的發展和未來航天任務的需求,先進的電弧加熱發動機將是理想的選擇。
  4. In the research of water arcjet, serious oscillation existed in jet and arc voltage was found and it led to unstable work state of arcjet

    目前對水電弧加熱的研究過程中,發現水電弧加熱發動機羽流和弧電壓存在強烈的脈動,不能穩定工作。
  5. Techniques of measurement for flow properties in arcjet

    電弧加熱發動機參數的測量技術
  6. 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

    對一實驗電弧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分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.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,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、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
  7. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method

    摘要對一實驗電弧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分裂演算法。
  8. To investigate effect of plenum chamber total pressure on arcjet thruster operation, numerical simulation of operation under various plenum chamber total pressures was performed on the basis of mechanism analysis on its operation and modeling for chemical non - equilibrium flow and steady state electromagnetic field within it

    摘要為了研究集氣腔總壓對電弧噴射推力器工作過程的影響,在分析其工作機理的基礎上採用化學非平衡流動和穩態電磁流體電磁場模型對不同集氣腔總壓下推力器工作過程進行了數值模擬。
  9. At present, arcjet has been the highlight of investigation and application because of its high thrust density, high ratio of thrust and power, preferable specific impulse, better system successiveness and reliability

    電弧加熱發動機以較高的推力/功率比、推力密度、中高的比沖、良好的系統繼承性和可靠性等特點,已經成為當前國際研究和應用的熱點。
  10. Arcjet is one of the highlight of electric propulsion investigation and application because of its high thrust density, high ratio of thrust and power, preferable specific impulse, better system successiveness and reliability

    作為電推進的一種方式,電弧加熱發動機以較高的推力/功率比、推力密度、中高的比沖、良好的系統繼承性和可靠性等特點,成為當前國際研究和應用的熱點。
  11. 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、高精度的多譜線電弧等離子體光譜診斷系統,使其適用於電弧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分佈。
  12. Some working phenomena of the arcjet are observed and discussed

    對所觀察到的一些工作現象進行了討論。
  13. The arcjet with annular cavity covered anode was designed

    設計了具有覆蓋陽極的環形空腔的水電弧加熱發動機。
  14. So it has important significance to investigate the arcjet system

    因此,開展對電弧加熱發動機的研究具有十分重要的意義。
  15. A low power arcjet with high performance has been designed and constructed in this dissertation

    本文設計、建造一套性能先進的低功率電弧加熱發動機。
  16. Arcjet which used water as propellant has special advantage in deep space exploration and manned spacecraft

    以水作為推進劑的電弧加熱發動機,在深空探測和載人航天中具有獨特的優勢。
  17. Solution of instability of water arcjet has important significance to its development and application

    解決水電弧加熱發動機的不穩定性,對於水電弧加熱發動機的發展和應用具有重要意義。
  18. A kind of low power arcjet structure is designed, produced and combined in this thesis. an experimental system was also built up

    本文設計了一種低功率電弧加熱發動機的原理結構,完成了發動機的加工、組裝和試驗系統的組建。
  19. Low power arcjet, which works between the power level of 100w and 1000w, is an ideal micro propulsion device of attitude control and nssk for small satellites and micro satellites

    低功率的電弧加熱發動機,即運行功率在100w ~ 1000w的電弧加熱發動機,是完成小衛星、微型衛星軌道保持和姿態控制任務的理想推進系統。
  20. The thrust of the new arcjet is improved from the original 100 - 135 s to 148 - 166 s, efficiency is improved from the original 21 % - 32 % to 32 % - 53 %. the results of the experiment prove that regenerative cooling method can improve the efficiency of low power arcjet remarkably

    新發動機的比沖由原來的100 - 135s提高到148 - 166s ;效率由21 % - 23 %提高到32 % - 53 % 。實驗結果證明這種再生冷卻設計能大大提高低功率電弧加熱發動機效率。
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