火箭推進系統 的英文怎麼說
中文拼音 [huǒjiàntuījìnxìtǒng]
火箭推進系統
英文
rocket propulsion system- 火 : fire
- 箭 : 名詞(古代兵器) arrow
- 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。
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 火箭 : [航空] rocket; fire arrow; bird
- 推進 : 1 (推動工作 使前進) push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
-
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。Abstract : solid propellant rocket motors are preferred for most ballistic missiles because they need simple maintenance and can be launched quickly. but the conventional thrust termination devices limit the depletion of every stage ' s grain and increase some extra - weight. an improved method for designing a multi - stage solid rocket based depleted shutdown was provided. in order to solve the problem of lack of thrust termination devices, a device to adjust the burnout angle will match the final burnout velocity and satisfy the desired range. the method can also limit the detection from anti - ballistic missile system
文摘:由於維護簡單和發射快速,彈道導彈多用固體火箭發動機,但繁雜的推力終止裝置使各級裝藥不能耗盡並讓結構增重.提出了一種對基於耗盡關機多級固體火箭概念設計的改進方法,此方法滿足導彈系統主要的戰技要求.為解決無推力終止裝置的末速不準問題,可在末級發動機採用姿態調整裝置,對射角進行調整,配合末速以滿足射程要求.本方法還可抑制敵方反導探測Nonlinear dynamic neural network model for rocket propulsion systems
一種火箭推進系統非線性動態神經網路模型At the same forum, their papers revealed new rocket propulsion research, including work on hybrid systems that use a combination of propellants easier to handle and store than most propellants in wider use today
在本次論壇上,中國人的論文揭示了其新的火箭推進研究,其中包括一個混合系統,該系統使用了比今天廣泛應用的推進劑更容易貯藏和操作的多種推進劑組合。The evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures
敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程,介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況,這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平Abstract : the evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures
文摘:敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程,介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況,這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平We shall try by means of a highly simplified development to expose certain advantages and disadvantages of solid propellant rocket systems.
我們想通過相當簡單的推導來試圖闡明固體推進劑火箭系統的某些優缺點。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。New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported
主要內容包括:在總結決策分析與專家系統規則庫技術的基礎上,提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制,該機制能有效的將定量計算和定性知識融為一體,將規范的決策分析解題過程與專家系統特有的演化推理方法有機結合起來;在多屬性效用理論的基礎上,建立了一般形式的復式效用模型,並實用化了全相關乘式效用模型,提供了較完善的通用建模、分析和解釋功能:引入了com dcom組件技術,開發了基於組件的widss系統,該系統基於形式化推理機制,易於擴展,能夠面向多種決策問題,具有較強的通用性;建立了遠程多管火箭炮全炮動力學模擬模型,將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中;利用碰撞接觸理論,對火箭彈在定向器管內的運動受力情況進行了模擬計算;建立了遠程多管火箭炮箱式發射改進方案模型,並利用動力學模擬計算結果在widss系統中進行了方案性能評估。The exhibits depict future space stations and cities, international manned missions to mars and beyond, as well as designs on spacecraft and propulsion systems
這里展示未來太空工廠與城市的模式,又介紹國際合作發展飛往火星甚至更遠星球的載人火箭,以及未來太空船計劃與推進系統。Abstract : this paper briefly presents th e application of advanced brazing techniques for a larye number of assemblies of space vehicles, such as thrust chamber and turbine rotor of launch rock et engine, titanium tube of satellite, attitude control engine injector and wave guide component of satell ite, reflector, tube and honeycomb panel of manned spacecraft, main engine nozzl e and preburner of space shuttle as well as the pipeline systems of space statio n
文摘:簡略地介紹了先進釬焊技術在航天器部件,例如運載火箭發動機的推力室和渦輪轉子、人造衛星的鈦導管、姿控發動機噴注器和波導器件、載人飛船的反射器、導管和蜂窩壁板、航天飛機的主發動機噴管和預燃室以及空間站的管路系統等的廣泛應用情況。Liquid oxygen is used as an oxidant for liquid fuels in the propellant systems of missiles and rockets
在導彈和火箭的推進系統中氧用作液體燃料的氧化劑。The course then proceeds into advanced propulsion concepts, ranging from chemical to electrical engines
在接下來的課程里,我們將繼續討論先進推進系統的概念,包含化學火箭引擎到電子火箭引擎。When escape system is activated, the grille wings at the upper fairing will open, supporting frame will pick up the orbit and returning modules, the lock between the returning and propelling modules will release, the lock between the upper and lower fairings will release, escape rocket will be ignited and finally pull the escape flight vehicle away from the rocket
該系統由逃逸塔和上部整流罩組成,逃逸系統加上飛船的軌道艙和返回艙構成逃逸飛行器。當需要逃逸時,上部整流罩上的柵格翼打開,支撐機構夾住飛船軌道艙和返回艙,然後返回艙與推進艙解鎖上下整流罩解鎖逃逸發動機點火,逃逸飛行器飛離運載火箭。External srbs, orbital system engines, it ' s just like the shuttle you flew
外置固態火箭推進器,軌道系統引擎和你飛過的航天飛機一樣Rocket ejector is the alternative power of rbcc during low - speed operation. the utilization of rocket ejector will be important for structural integration, and will decrease weight and complexity of the motor
引射火箭模態作為rbcc推進方案低速階段的起飛動力,對于實現rbcc結構一體化、減輕結構重量和系統復雜度具有重要的意義。It has a large region of application in solid rocket motor grain design and has made new improvements compared with other available codes. user can easily and rapidly build his initial grain shapes and then obtain geometric information of his design. according to the theory describeds in the paper, the regressions of the burning surface area and the pressure are obtainded
該系統擴展了固體火箭發動機裝藥的設計能力,用戶可利用它簡捷地構造出三維藥柱的初始形狀,並獲得設計所需的各個幾何參數,進而依據本論文提出的復雜三維藥柱內腔燃燒推移和燃面計算的方法,計算出燃面變化和壓強變化,得到推力隨時間變化的曲線,再依據這些計算結果進行再設計,直至達到滿意的結果為止。When an engine works under the vacuum condition. so existing experimental products can be proof - tested by it and all test results obtained will be used for reference for the aero craft. accordingly, the technology studied in the thesis is quite significative to improve the efficiency of the engines of space propulsion system, economize limited resources on the spacecrafts, and prolong their lives
其目的是建立一個能滿足小推力液體火箭發動機動態推力測試的系統,以便能夠根據空間推進系統對發動機越來越高的工作性能要求,真實有效地反映發動機在真空環境下的工作狀態等,對已經設計和生產出的發動機在高空模擬條件下進行實際測試,從而提供發動機的動態性能指標,為發動機的定型提供試驗數據和依據。As an advanced propulsion system, rbcc ( rocke based combined cycle ) motor is now abstracting more and more attention of most of the major space countries in the world
作為一種先進的推進系統,火箭基組合循環( rbcc )發動機以其優良的整體性能越來越受到世界航天大國的普遍關注。Rocket - based combined cycle ( rbcc ) will be promising propulsion system to achieve hypersonic flight, and has extensively application foreground in both military and civil usage
火箭基組合循環( rbcc )推進系統是實現高超聲速飛行的最有潛力的動力方案,具有廣泛的軍事和民用航天應用前景,因而備受矚目。分享友人