specific thrust 中文意思是什麼
specific thrust
解釋
比沖-
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。 -
By adjusting many variable geometry components of the engine, bypass ratio can be changed during large range ( the most 0. 25 of military fighter ). the high specific thrust characteristic of turbojet engine and the low specific fuel consumption characteristic of the turbofan engine can be realized during different flight phase by the usage of vce technology
變幾何變循環發動機是應用於第四代多用途戰斗機的理想動力裝置，通過多個部件幾何的調節在較大范圍內改變涵道比，能夠使發動機在不同航段分別實現渦噴發動機的高單位推力性能和渦扇發動機的低油耗性能。 -
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。 -
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。 -
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。 -
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。 -
The results are compared with old ones. it is clear that arc voltage, thrust, specific impulse, efficiency and stability are all improved remarkably
結構改進后，發動機的弧電壓、推力、比沖等性能以及各工況下的工作穩定性都得到了顯著改善。 -
A variable vector propeller, called the " varivec propeller ", is under development as a new propulsion system for the undersea robot. the varivec propeller is a kind of specific propeller that is capable of continuously generating any degree of thrust in any three dimensional direction by varying blades " pitches cyclically in the process of rotation and responds easily to the slightest change in the robot
全方向推進器是一種在運動過程中螺距角可以變化的螺旋槳，該推進器是一種全新的設計，它最大特點是通過葉片螺距角在槳葉旋轉的過程中周期性的改變，產生前後、上下、左右六個方向的推力，並可以容易的對海洋機器人的微小運動作出反應。 -
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。 -
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。 -
Simulation results presented here demonstrate that during accelerating flight at constant altitude thrust increases up to approximately 12 percent in the maximum thrust mode, and at subsonic cruise specific fuel consumption decreases up to 2 percent in the minimum fuel consumption mode
試驗結果表明兩種優化模式下，飛推綜合控制的優化演算法可以顯著提高發動機性能，也驗證了該優化計算機設計方案是可行的。 -
It indicates that thermal throat can substitute geometry throat, so structure integration can be achieved in ejectrojet mode. in addition, it showed that thermal throat will increase engine thrust and decrease specific impulse
另外還得到熱力喉道取代幾何喉道后對發動機性能的影響，它可以提高發動機的推力，卻要降低比沖。 -
Arcjet, one type of electric propulsion, is high at specific impulse and ratio of thrust, and good in capability of propellant. thus it is being researched and applied in several countries
電弧加熱發動機就是電推進的一種，它具有較高的比沖和推力/功率比以及良好的推進劑普適性，已成為國際研究和應用的重點。
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