高壓發動機 的英文怎麼說
中文拼音 [gāoyāfādòngjī]
高壓發動機
英文
high compre ion engine-
Tahir r b, molder s and timofeev e v. unsteady starting of high number air inlets - a cfd study [ r ]. aiaa 2003 - 5191
梁德旺,袁化成,張曉嘉.影響高超聲速進氣道起動能力的因素[ c ] / / 2005年沖壓發動機技術交流會論文集, 2005The turbine engine has a compressor which turns at high speed.
渦輪發動機有一個高度旋轉的壓氣機。Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine
選擇了等比例長孔式混合器控制空燃比;通過提高壓縮比來彌補動力性的損失;以動力性為主控目標,對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空燃比的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments
在充氣壓力為0 . 9mpa的條件下,該熱聲發動機最大壓比可達1 . 21 ,遠高於駐波型熱聲發動機,實驗結果和理論分析均表明系統的工作頻率為25hz左右,實驗裝置的諧波比例非常小,且也沒發現頻率跳變等現象。On open - phase protection for hv motors in power plants
發電廠高壓電動機斷相保護的探討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。Hypersonic propulsion test facility is important for the scramjet ground tests
摘要高超聲速推進風洞是進行超燃沖壓發動機模型地面模擬的重要試驗設備。“ the facility is to provide high enthalpy [ thermal dynamic ] model scramjet testing, ” he says
「該實驗室將提供高焓值[熱動力學]模型超燃沖壓發動機測試, 」他說。Scramjet is the perfect propulsive device to hypersonic vehicle, and is a hot issue in current hypersonic technology area
超燃沖壓發動機是高超聲速飛行器理想的動力裝置,是當前高超聲速技術領域的研究熱點。In the range of flight mach number mo = 3 ~ 7, in order to take the advantage of ramjet and scramjet, a fix - shaped dual - mode scramjet, in which both subsonic and supersonic combustion can be obtained, is used for hypersonic vehicle
在飛行馬赫數m _ = 3 - 7的范圍內,為充分發揮沖壓發動機的性能優勢,高超聲速飛行器採用了既能在亞聲速燃燒模態,又能在超聲速燃燒模態下工作的固定幾何形狀的雙模態沖壓發動機。In order to determination the thrust, the thrust definition and many control parameters are analyzed discussed, which mass flow rate and flight altitude are involved. it is difficult to measure the flight thrust of solid rocket ramjet directly
通過討論高空飛行推力與地面可測試參數的關系,得到了固體火箭沖壓發動機高空飛行狀態下推力折算方法,並開發相應的計算程序。Ramjet has been widely used in all kinds of supersonic and high - supersonic aircraft. it has caught more and more attention recently because there is no need for rotating impeller machine
而沖壓發動機不需轉動的葉輪機械,結構簡單,高速性能優良,被廣泛用於各類超音速和高超音速飛行器,愈來愈受到人們的關注。Areas of application : used for temperature monitoring on generators and high - power electric motors, electric systems, turbines, windings, etc
應用領域:發電機、高壓電動機、電力系統、渦輪機、線圈等的溫度監測。It is a key technique for ducted rocket to make the second combustor operate at high efficiency and stability
實現補燃室高效率、穩定、可靠的工作,是固體火箭沖壓發動機的關鍵技術問題。So experimental study of dual - mode scramjet engines puts higher demands on simulating capability of ground test facilities and measurement technology, and greatly increases test cost and time
因此,雙模態沖壓發動機的研究對地面設備的試驗能力和測量技術提出了更高的要求,也大幅度地增加了試驗的周期和費用。Combustion with releasing heat effectively in supersonic flow is one of the most important, as well as the most difficult, technologies in researching and developing supersonic combustion ramjet
超音速流動狀態下的高效燃燒過程是研製超燃沖壓發動機最重要也是難度最大的關鍵技術之一。The research project of the middle - long and hypersonic missile with solid rocket - ramjet engine has been launched. the measurement and control technologies are the important basis of developing engine, which is one of the key technologies of the research
我國發展中遠程、高超聲速固體沖壓導彈已經啟動,其關鍵技術之一是研製性能優良的固體火箭沖壓發動機,而試驗測控技術是發動機研製中不可或缺的重要基礎。The scramjet engine is highly integrated with the airframe of airbreathing hypersonic vehicle, which makes the performance evaluation very difficult. it ’ s urgent to develop a kind of scramjet performance evaluation method which can take full advantages of data acquired in experiments
該發動機與高超聲速飛行器機體的高度一體化構型,導致其性能評估相對困難,迫切需要發展一套能夠充分利用試驗測量數據評估超燃沖壓發動機性能的方法。Integral rocket - ramjet is a propulsion system with great potential. using missile - engine integrated design method to realize the conceptual design of integral rocket - ramjet missile is of great significance to improve quality and efficiency of missile design
整體式火箭沖壓發動機是一種很有前途的動力裝置,採用導彈和發動機一體化設計方法進行整體沖壓式導彈的總體設計,對于提高導彈的設計質量和設計效率具有重要的意義。The airframe and engine highly integration nature of hypersonic vehicle results in the asymmetry and cowl adjustable characters of the scramjet nozzle
由於高超聲速飛行器機體與發動機高度一體化的構型,使超燃沖壓發動機尾噴管具有非對稱,面罩可調等特點。分享友人