ducted flow 中文意思是什麼
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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 -
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。 -
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 -
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 -
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。 -
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 -
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。 -
Acoustics. measurement of insertion loss of ducted silencers without flow. laboratory survey method
聲學.無流量導管消音器插入損耗率的測量.試驗室調研法
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