高亞音速飛行 的英文怎麼說

中文拼音 [gāoyīnfēiháng]
高亞音速飛行 英文
high-subsonic flight
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 名詞1. (聲音) sound 2. (消息) news; tidings 3. [物理學] (音質) tone 4. (姓氏) a surname
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • 音速 : [物理學] velocity of sound; speed of sound; sound velocity
  • 飛行 : flight; flying; aviate; voyage; volitate; hop
  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

    摘要介紹了在滿足再入橫向機動航程,再入時的升阻比,進場時的升阻比,縱向靜穩定性裕度和水平著陸度等性能設計要求下,用罰函數法尋求使航天機機翼質量為最小的外形優化方法並給出了算例。
  2. The main results are : supersonic region and subsonic region can co - exist in flow path simultaneously, subsonic flow is insignificance for engine performance ; total pressure of primary rocket should be decreased when mach number is increased. in the experimental aspect, some components of ejectorjet experimental system were improved, ejectorjet experiments using alcohol as secondary fuel were conducted

    由數值計算獲得的結論為:引射火箭內的一般流態為超區與區共存,區不具備做功能力;馬赫數增大,引射火箭內更易於產生壅塞;為了獲得最佳的性能,隨著馬赫數的提,應當降低一次火箭的工作壓強。
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