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- Curves of constant specific impulse are traced inside the triangle. 比沖為常數的曲線(xiàn)則畫(huà)在三角形內部。
- Although methane's specific impulse lags that of hydrogen, it presents some advantages. 雖然甲烷的比沖量沒(méi)有氫那麼高，但它有好幾項優(yōu)點(diǎn)。
- It is a reliable measuring method of the specific impulse for the high-burning rate propellants. 為高燃速推進(jìn)劑比沖測試提供了可靠的試驗依據。
- Arcjet, one type of electric propulsion, is high at specific impulse and ratio of thrust, and good in capability of propellant. 電弧加熱發(fā)動(dòng)機就是電推進(jìn)的一種,它具有較高的比沖和推力/功率比以及良好的推進(jìn)劑普適性,已成為國際研究和應用的重點(diǎn)。
- In particular, the fuel exhibits a higher specific impulse, a measure of fuel efficiency that describes how much momentum a given weight of propellant can impart. 特別值得一提的是，甲烷的比沖量較高，這個(gè)燃料效率值代表特定重量的推進(jìn)燃料所能產(chǎn)生的動(dòng)量。
- Testing results showed that the weight and volume specific energy were up to 34 Wh/kg and 100 Wh/L respectively,the battery was able to be charged fully within 4 hours and the life was up to 1000 cycles at 75%DOD. 對3DM180電池的檢測結果表明,其質(zhì)量比能與體積比能分別達到34Wh/kg和100Wh/L,4小時(shí)內可充足電,循環(huán)壽命達到1000次(75%25DOD)。
- 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(guò)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(shí)提高比沖和推進(jìn)效率。
- The main performance parameters of a fixed geometry scramjet are observed,and the effective thrust coefficient,effective specific impulse and effective specific thrust are determined. 探討了固定幾何尺寸（不可調）的超燃沖壓發(fā)動(dòng)機有效推力系數、有效比沖和有效單位推力等主要性能參數變化的定量范圍。
- Fuel-optimal coplanar orbital transfer using the advanced variable specific impulse magnetoplasma rocket (VASIMR) is studied.Thrust direction and specific impulse are considered as control variables. 摘要以國外目前正在研制中的變比沖磁等離子體火箭發(fā)動(dòng)機(VASIMR)為背景，研究了變比沖發(fā)動(dòng)機作用下的同平面燃料最優(yōu)軌道轉移。
- The specific impulse of an open-cycle gas generator engine such as Vulcain is inherently limited, while for the closed-cycle, staged-combustion design, it increases with the combustion pressure. 一個(gè)火箭引擎的總體效率由其特定推力來(lái)衡量，推力（動(dòng)力改變-或單擺，發(fā)動(dòng)機速度提升）能完成燃料的每個(gè)單元燃料（的燃燒）。
- Though the bleed can enlarge the thrust of the aerospike nozzle, it lessens the specific impulse except the case that the bleed is small at low flight altitude for the linear aerospike nozzle. 加入二次流會(huì )使塞式噴管的推力上升，但在大多數情況下其比沖會(huì )下降，只有特定壓強比條件下，加入少量的二次流比沖才會(huì )上升。
- The scramjet has some advantages of high flow velocity, high specific impulse and wide operating range which become a viewpoint in the research field of power of Aeronautics and Astronautics. 超燃沖壓發(fā)動(dòng)機以其高速、高比沖和工作范圍寬廣的特點(diǎn),正逐漸成為當今航空航天動(dòng)力領(lǐng)域的研究焦點(diǎn)。
- For blast warhead, lethality criterion with distance as judge index is given in terms of standard formula of kill law of air shock, over pressure formula and specific impulse formula. 針對爆破戰斗部，根據空氣沖擊波的標準殺傷規律公式和超壓以及比沖量公式，得出了以距離為判斷指標的毀傷判據。
- Keywords copolyether ester;complex;volume specific resistance; 復合物;聚醚酯;體積電阻率;
- The volume of this container is 20 cubic meters. 這個(gè)集裝箱的體積是20立方米。
- This volume is foxed on the flyleaf. 這卷書(shū)的空白頁(yè)發(fā)黃了。
- The store- room be400 cubic feet in volume. 這庫房的容量是400立方英尺。
- solid rocket engine specific impulse 固體發(fā)動(dòng)機比沖
- The liquid was 5 litres in volume. 該液體的體積為5升。
- variable specific impulse rocket 變比沖發(fā)動(dòng)機
