航天飛機再入 的英文怎麼說

中文拼音 [hángtiānfēizài]
航天飛機再入 英文
space-shuttle reentry
  • : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
  • : Ⅰ動詞1 (鳥、蟲等在空中活動) fly; flit 2 (利用動力機械在空中行動) fly 3 (在空中飄浮遊動) fly...
  • : machineengine
  • : 副詞1 (又一次) another time; again; once more 2 (表示更加) still; further 3 (表示如果繼續怎...
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • 航天 : space flight; spaceflight; aerospace航天導彈 space missile; 航天導航 aerospace navigation; 航天電...
  • 飛機 : airplane; plane; aeroplane; kite; bird; aircraft
  1. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速橫向程,高超音速行時的升阻比,亞音速進場行時的升阻比,縱向靜穩定性裕度和水平著陸速度等行性能設計要求下,用罰函數法尋求使翼質量為最小的外形優化方法並給出了算例。
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