激波離體距離 的英文怎麼說

中文拼音 [jībōlítǐjùlí]
激波離體距離 英文
shock-wave detachment distance
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 體 : 體構詞成分。
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  • 距離 : 1 （相隔的長度） distance; range; gap; space; spacing; separation 2 （相距） be apart from; be aw...
  1. The project adopts pulsed laser ranging in noncoherent detect mode, uses a 905nm pulsed laser diode as the laser source, detects object with a single apd, adopts an optics - mechanics scanner in object space to obtain images, and obtain distance images and intensity images of object simultaneously

    該研究方案採用直接探測脈沖激光測距體制，以波長為905nm的脈沖半導體激光器作為激光光源，利用單元apd探測器進行探測，採用物空間掃描的光機掃描方式進行掃描成像，能同時獲得目標的距離圖像和強度圖像。
  2. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊，包括根據snell原理，研究極限折射縱波的激發機理，並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式，並對其中參數的求解方法進行介紹;根據收集的資料，介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法，即固定距離測量聲時法、臨界角折射法和頻譜分析法，本實驗系統使用的是第一種;根據實驗經驗以及相關資料，分析了影響極限折射縱波測量溫度應力的幾個因素，並提出了相應的解決方法;根據實驗系統的需要，獨立設計並加工出相關配套的實驗設備，包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  3. The results of analysis show that the shock detached distance computed by two temperature model or three temperature compare well with the experiment data, and the heat transfer rate is highest for one temperature model with non - catalytic wall, and lowest for equilibrium gas model, and the heat transfer rate for perfect gas model is between the non - catalytic wall and fully catalytic wall

    結果表明：採用兩溫度（或三溫度）非平衡氣體模型計算的激波脫體距離更接近實驗情況；採用平衡氣體模型計算的壁面熱流最高，一溫度非平衡氣體模型完全非催化的壁面熱流最低，而完全氣體模型的壁面熱流在兩者之間。
  4. It is analyzed that the thermal and chemical model have a effect on the shock detached distance, heat transfer rate, the distributions of temperature and density

    分析了各種氣體模型對激波脫體距離、壁面熱流、溫度分佈和密度分佈等的影響。
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