ducted 中文意思是什麼

ducted 解釋
管道中的
  1. Mayer a e h j, stowe r a. experimental study into mixing in a solid fuel ducted rocket combustion chamber [ r ]. aiaa 2000 - 3346

    餘勇,陳小前,等.三維實驗固體火箭沖壓發動機燃燒室湍流反應流數值模擬[ j ] .國防科技大學學報, 2002 , ( 5 )
  2. Thermal performance of domestic gas appliances - specification for thermal performance of combined appliances : fanned - circulation ducted - air heater circulator

    家用燃氣器具熱性能.第6部分:組合器具熱性能規范:通風循環導管空氣加熱器循環器
  3. In this paper, the major subject investigated is the ducted fan vertical take - off and landing ( vtol ) uav. compared with normal fixed - wing uav, it has so many strong points such as be convenient to take - off and land, good adaptability and long hover time. we analyze and summary information of foreign uavs, then calculate the figure dimension of our uav, and draw the uav structure configuration and the outside view drawing of three dimensional structure

    本課題的研究對象是涵道風扇式垂直起落無人機,與一般的固定翼無人機相比,它有著起落方便、適應性強、可以在空中長時間盤旋等優點,本文通過對相關飛行器資料的分析總結,給出了無人機的大體結構尺寸,並畫出了無人機的結構布局圖和三維結構外觀圖。
  4. Gas engine driven heat pump air conditioners - part 3 : ducted gas engine driven heat pump air conditioners - testing and rating for performance

    燃氣發動機驅動的熱泵空調器.第3部分:有管道輸送的燃氣發動機驅動的熱泵空調器.性能的試驗和額定值
  5. Gas engine driven heat pump air conditioners - part 2 : non - ducted gas engine driven heat pump air conditioners - testing and rating for performance

    燃氣發動機驅動的熱泵空調器.第2部分:無管道輸送的燃氣發動機驅動的熱泵空調器.性能的試驗和額定值
  6. Acoustics - measurement of insertion loss of ducted silencers without flow - laboratory survey method

    聲學.無氣流管道消聲器插入的損耗測量.實驗室調查法
  7. The solid - propullant ducted rocket, which combines the advantages of solid propullant rocket and ramjet propulsion, is a new kind of combined propulsion system. it offers considerable advantages for missile propulsion, such as high specific impulse, high speed, light weight, long range, high maneuver and simple structure. as the major direction of the propulsion system for supersonic missile, the ducted rocket has good prospects

    它將固體火箭技術和沖壓技術有機結合在一起,具有比沖高、速度快、重量輕、射程遠、機動性能好和結構簡單等諸多優點,最大限度地滿足了新一代導彈對其動力裝置提出的要求,是超聲速導彈動力裝置的一個主要發展方向,有著廣闊的研究前景。
  8. Wolf ' s innovative new hood is available with either a re - circulating charcoal filter or alternatively can be externally ducted

    創新式沃爾夫新型吸油煙機可使用循環式木碳過濾器或採用外部管道排煙。
  9. This vessel is a steel tug with fore raked stem, transom stern, single bottom, single continuous deck, transverse framing, double engines and double vectorable ducted propellers

    24 . 30m本船為鋼質前傾首柱方尾單底單連續甲板橫骨架式雙機雙轉動導管拖船。
  10. The train is propelled by ducted fans

    這種火車用渦扇推進器。
  11. In this paper, simple reacting flow model in solid - propellant ducted rocket combustor based on eddy break - up model is established. the model is used to simulate the three - dimensional combustion flowfields in an experimental motor. some factors how to affect the combustion efficiency are discussed in the paper, including air intake and gas generator nozzle

    本文基於簡單反應的旋渦分裂模型,建立了固體火箭沖壓發動機補燃室內的湍流燃燒模型,並在該模型下對某實驗發動機進行了三維數值模擬,研究了補燃室設計參數包括進氣道出口設計參數和燃氣發生器噴管設計參數對燃燒效率的影響。
  12. 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。
  13. Acoustics - determination of insertion loss of ducted silencers without flow - laboratory survey method iso 11691 : 1995 ; german version en iso 11691 : 1995

    聲學.無氣流管道消聲器插入損失測量.實驗室測量法
  14. Acoustics - laboratory measurement procedures for ducted silencers and air - terminal units - insertion loss, flow noise and total pressure loss iso 7235 : 2003 ; german version en iso 7235 : 2003

    聲學.管道消音器和空氣界面裝置的實驗室測量步驟.插
  15. In this thesis, the steady performance of ducted propeller in uniform flow is predicted by surface panel method

    本文應用基於擾動速度勢的低階面元法,擬計算導管螺旋槳在均勻流場中的定常水動力性能。
  16. Zhang jian - hua, wang guo - qiang. prediction of hydrodynamic performances of ducted controllable pitch propellers [ j ]. journal of ship mechanics, 2002, 6 ( 6 ) ( accepted )

    王國強,胡壽根.螺旋槳非定常性能計算的升力面方法[ j ] .上海交通大學學報, 1989 ( 3 )
  17. Acoustics - laboratory measurement procedures for ducted silencers and air - terminal units - insertion loss, flow noise and total pressure loss

    聲學.管道消音器和氣體終端設備的實驗室測量步驟.插入損失流動噪聲和總壓損失
  18. Ducted air - conditioners and air - to - air heat pumps - testing and rating for performance

    管道通風空調和空氣對空氣熱泵.性能的試驗和額定值
  19. In addition, the usaf continues to fund development work of the aerojet ( formerly atlantic research ) variable flow ducted rocket ramjet system as a future propulsion option for an extended range aam

    此外,美國空軍繼續投資于航空噴氣研究所(原來的大西洋研究所)的可變噴流管火箭發動機系統,將其作為增程空空導彈的未來推進選項。
  20. Safety of machinery - evaluation of the emission of airborne hazardous substances - separation efficiency by mass, ducted outlet

    機械的安全性.空氣中有害物質排放的評估.通過質量測定導管出口的分離效率
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