spinning projectile 中文意思是什麼
spinning projectile
解釋
旋轉彈頭- spinning : n 1 紡；精紡；棉紗。2 旋轉；自旋；旋壓。3 用旋轉匙狀誘餌釣魚。4 （原地不動地蹬踏固定式自行車的）...
- projectile : n. 1. 拋射體。2. 射彈。3. 導彈，飛彈，火箭。adj. 1. 拋射的，發射的；射彈的。2. 可拋射的；推進的。3. 【動物；動物學】（觸角等）能伸出的。
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Without spinning or attack angle, the three dimensional interaction flowfield over projectile with lateral jets is numerically simulated successfully, and unified interaction flowfield with lateral jets and base bleed is also calculated
在無旋轉、無攻角條件下完成了彈丸側噴三維干擾湍流流場數值模擬，並完成了彈丸底噴流-側噴流共同干擾流場的一體化計算。 -
Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly. complicated shocks wave patterns is analyzed. several factors concerned such as high - speed spinning, attack angle, base bleed and so on, are studied
本文首次完成了高速旋轉彈丸側噴三維干擾湍流流場的數值模擬，分析了彈丸側噴流場復雜的波系結構，研究了高速旋轉、攻角、底噴等因素對彈丸側噴流場的影響規律，深入分析了旋轉側噴彈丸的空氣動力學特性。 -
The complicated aerodynamics characteristic of spinning projectile with lateral jets and with attack angle is studied detailedly. the formation and changes are analyzed including magnus force, normal force, yawing moment, pitching moment and pressure center
系統分析了旋轉側噴彈丸復雜的空氣動力學特性，分析了馬格努斯力系數、法向力系數、偏航力矩系數、俯仰力矩系數和壓力中心等參數的產生機理和變化規律。 -
The interaction flow field over high - speed spinning projectile with lateral jets is simulated secondly. comparison with nonspinning case shows spinning changes the flow structure and base flow of projectile with lateral jets
為研究高速旋轉對側噴流繞流場的影響，進行了高速旋轉彈丸側噴三維干擾湍流流場的數值模擬。 -
With attack angle, two types of unsteady flowfield over high - speed spinning projectile without and with lateral jets are successfully simulated respectively by dual - time stepping method. the two results of flowfield show unsteady and periodically after one period of spinning
在高速旋轉彈丸底噴流-側噴流共同干擾流場的計算中，發現高速旋轉對底噴流動的影響沒有對側噴流動的明顯。 -
The aerodynamics characteristic of spinning projectile with lateral jets has constitutionally difference in formation from that without jet, and it waves periodically. these characteristics are very important for the study of aerodynamics of projectile with lateral jets
與光彈體相比，旋轉側噴彈丸的空氣動力特性不僅在形成機理上發生了本質變化，而且在數值上表現出復雜的波動形式，這些特點將對旋轉側噴彈丸空氣動力研究帶來直接和深遠的影響。
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