跨音速馬赫數 的英文怎麼說

中文拼音 [kuàyīnshǔ]
跨音速馬赫數 英文
mach number close to unity
  • : 動詞1 (抬起一隻腳向前或向左右邁) step; stride 2 (兩腿分在物體的兩邊坐著或立著) bestride; stra...
  • : 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名詞1 [動物學] (哺乳動物) horse 2 (象棋棋子) horse one of the pieces in chinese chess3 (姓...
  • : Ⅰ形1 (顯著; 盛大) conspicuous; grand 2 (紅如火燒) bright flaming redⅡ名詞1 [電學] (頻率單位...
  • : 數副詞(屢次) frequently; repeatedly
  • 音速 : [物理學] velocity of sound; speed of sound; sound velocity
  1. Empirical results are needed in the transonic mach regime.

    跨音速馬赫數范圍內需要經驗結果。
  2. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞流動進行了值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、度、溫度、壓力和的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參,通過實驗發現氬比氮工作更穩定
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