推進式發動機 的英文怎麼說

中文拼音 [tuījìnshìfādòngjī]
推進式發動機 英文
pusher engine
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 進 : 進構詞成分。
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 發 : 名詞（頭發） hair
  • 機 : machineengine
  • 推進 : 1 （推動工作 使前進） push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  1. Galileo strongly fought against the traditional ideas of the aristotle ' s theories, and he formed the thought of identity, continuance and dialectical materialism in course of his scientific research. he had written the book dialogue concerning the two chief world systems - ptolemaic and copernican to refute the theory that the earth was static, and push the copernicus " revolution forward by protecting and advocating the cosmic principle of copernicus ; he get many scientific theories by making a thorough study of motion, so provided the materials need of which newton was ; he applied the scientific method firstly in history of science which combined mathematical inference with experience and observation organically, and entrusted modern meaning to some old - time methods, so advanced the development of scientific knowledge greatly and began the history of modern physics

    伽利略強烈反對亞里士多德式的傳統思維觀念，在長期深入的運動研究中發展了同一性和連續性思想，以及把物質性質劃分為兩類的機械唯物主義思想；他著書立說駁斥「地靜說」 ，捍衛和宣揚「地動日心」的宇宙結構，推動了「哥白尼革命」 ；他深入研究運動，獲得大量科學理論，為牛頓綜合提供了豐富的材料；他在科學史上首次使用數學演繹與觀察實驗有機結合的科學方法，並賦予一些古老研究方法以現代含義，大大推進了科學認識的發展，開創了現代物理學歷史。
  2. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型，增加可兩次點火的末級發動機，改裝成具有跳躍能力的地地彈道導彈；首先，根據任務需求，建立了導彈的氣動模型，並建立了彈頭再入時高超聲速氣動模型；其次，建立了導彈推進系統模型，前兩級採用了固體火箭發動機，第三級採用了固?液組合火箭發動機，並在總體方案要求下，對發動機噴管和外形進行了設計；第三部分，建立了導彈質點彈道模型，設計了一條跳躍式彈道，並對跳躍式彈道進行了優化設計；最後，對導彈進行了突防能力分析，從分析的結果可以看出，跳躍式彈道的突防能力比常規的拋物線彈道要強。
  3. For piston-engine-propeller system, the usual fixed-control case implies fixed throttle and constant rpm.

    對于活塞式發動機推進系統，通常固定操縱情況是指固定油門和轉速不變的情況。
  4. Interface debond between propellant and liner is a key form of failure of the structure integrity in the analysis of solid rocket motor

    在固體火箭發動機結構完整性分析中，襯層/推進劑藥柱粘接界面的脫粘是完整性被破壞的關鍵形式之一。
  5. As the air - breathing engine, the performance of solid rocket ramjet is determined not only by structure of engine and the performance of propellant, but also by flight condition

    作為吸氣式發動機，其性能不僅取決于發動機本身結構和推進劑性能，與飛行狀態也有密切的聯系。
  6. Both advantages of rocket engine and air - breathing engine are integrated into one kind of propulsion system, called rocket - based - combined - cycle ( rbcc ), which has multiple operating woke modes, including ejecting, subsonic combustion, supersonic combustion and rocket mode, with each mode operating at varying flying stage. rbcc has prominent potential of high efficiency and low cost, and so it is recognized as an advanced propulsion system of future single - stage - to - orbit reusable spacecraft and hipper - sonic missile. it has been broadly investigated in foreign countries and has been progressed into small and full - scale flying stage

    火箭基組合動力循環（ rbcc ， rocketbasedcombinedcycle ）將傳統的火箭發動機和吸氣式發動機的優點集中組合到一個具有多種工作模態（包括引射、亞燃、超燃及火箭模態）的發動機里，在不同的飛行階段啟用不同的工作模態，因此具有大幅提高航天推進系統經濟性與高效性的潛在優勢，並可能發展成為下一代單級可重復使用航天器以及高超聲速導彈武器的動力系統。
  7. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法，對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究，得到了大量重要結果。
  8. ( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst

    （ 9 ）進行了催化轉化器與排氣系統的匹配研究，對于催化劑的布置，提出了「分級凈化，逐級推動」的原則；對于載體形式的選擇，提出了「金屬載體和陶瓷載體復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時，排氣污染物高凈化率與動力性經濟性損失小之間的矛盾、快速起燃和結構布置困難的矛盾。
  9. The direct lateral force control is that more than one hundred small jet engines are installed around the missile before the barycenter. by firing up these engines produce impulse propelling force in order to adjust the position of the missile

    姿控直接力控制方式是在導彈四周重心前徑向安裝的很多個小型噴流發動機，控制噴流發動機點火，產生脈沖推力，對導彈進行姿態調整。
  10. Then in order to propel the internal equipments and technology for logistics forward and research and develop sliding shoe parcel sorting machine, base on these analyses, this paper all - sidedly and systematically describes the general precept of sliding shoe parcel sorting machine

    在此基礎上，為推動國內物流設備技術的進一步發展，對研究開發的目前國內的空白產品? ?推塊式分揀機的總體設計作了全面系統的論述。
  11. Pressure-fed engines are particularly susceptible to dissolved gas in the propellants.

    擠壓式發動機對推進劑中溶解的氣體特別敏感。
  12. Development for this plane began as early as 1938 and the first prototype made its maiden flight still propulsed by a piston engine in april 1941. the first jet powered version flew in july 1942

    Me262的開發始於1938年早期，第一架原形機在1941年4月首次試飛，由一臺活塞式發動機推進，第一架使用噴氣式發動機推進的型號於1942年7月首飛
  13. Thirdly, the object - oriented way of lre knowledge representation for causality, system structure, and models is presented, and an organization model of lre diagnosis knowledge for integration of deep and shallow knowledge based on the lre component structure and in the form of node knowledge base is given. and finally, the lre intelligent fault diagnosis theory and strategy, which utilize synthetically different kinds of diagnosis knowledge and multiple reasoning methods, such as rule - based, model - based, fuzzy - knowledge - based, and dynamic - knowledge - based reasoning methods, are discussed and developed. the results verified by the test - firing data and the simulated fault samples show that, the theory and methods proposed give a theoretical basis for the design and realization of practical lre fault diagnosis and health monitoring systems, and can be available for reference in the development of health monitori ng technique for reusable space transportation systems in the future

    主要研究內容包括：系統闡述了發動機診斷知識的概念、類別和相互關系；研究發展了定性和定量、淺層和深層、模糊和動態等多種診斷知識的圖形和模型獲取方式；建立了因果、結構和模型等不同層次和類別的診斷知識的面向對象表示方法，以及以發動機的部件結構為基礎，以結點知識庫為組織形式，深淺知識相結合的診斷知識集成組織模型；研究發展了綜合多層次和多類別診斷知識，集成規則推理、模型推理、模糊推理和動態知識推理的發動機智能故障診斷理論和策略，並結合實際熱試車數據和故障模擬實例對所發展的理論、方法與策略進行了驗證。
  14. 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
  15. On the study of propulsion system optimization algorithm, first, the engine performance optimization problems are converted into one typical type of nonlinear optimization problem. then, these problems are solved with model assisted pattern search ( maps ) algorithm

    在研究推進系統性能優化問題時，首先將發動機性能優化問題轉化為一類典型非線性優化問題，然後利用模型輔助模式搜索（ modelassistedpatternsearch ）方法進行求解。
  16. 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。
  17. International experience proves that, venture capital industry is an indispensable engine and propeller of the industrialization of new and high technology. therefore, it is of great strategic and realistic importance for china in shifting mode of economic growth, adjusting industrial structure, allocating rationally resources and thus sharpening the competitive edge of the chinese economy

    國際經驗表明，風險投資產業是促進高新技術產業化不可或缺的發動機和助推器，它對于轉變經濟增長方式，實現產業結構調整，合理配置資源，提升我國經濟國際競爭力等方面，有著重要的戰略和現實意義。
  18. The test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly

    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。
  19. The ram - compressed technology in ram - compressed rotor is the key of the rotating ramjet. we discussed it detailedly in some aspect such as theoretic analysis and numerical simulation and model test, and then point out that the essential of the ram - compressed technology is the air is compressed by the moving shock wave. the formula of parameter both sides the moving shock wave and

    指出了旋轉激波壓縮是旋轉沖壓壓縮的主要方式，推出了旋轉激波壓縮的參數關系式和沖壓轉子進氣道和盤腔中的簡化運動方程和壓力方程，並通過對冷態流場的數值模擬及模型試驗研究驗證了上述理論分析結果，為旋轉沖壓發動機沖壓轉子的設計分析奠定了理論基礎。
  20. The primary work of this paper is as follow : three aspects are analyzed in detail as to the characteristics of integral rocket - ramjet, which include : a. the matching for inlet shape and missile configuration ; b. the influence on missile conceptual performance caused by the number and position of inlet ; c

    具體表現在如下幾個方面： （ 1 ）針對整體式沖壓發動機的特點，詳細分析了進氣道型式與導彈總體布局的匹配關系、進氣道數目及其安裝位置對導彈總體性能的影響、沖壓發動機和固體助推器的一體化等彈機一體化設計的問題。
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