calculated test pressure 中文意思是什麼

calculated test pressure 解釋
計算的試驗壓力
  • calculated : adj. 1. 有計劃的，有意的，故意的。2. （預備）供…之用的，合於…之用的。3. 算清了的；被預測出的。
  • test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  1. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中，利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈，利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈，並通過工程理論方法計算了模型表面的氣動熱，把理論計算結果與上述試驗結果比較，幾者符合得較好。
  2. Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated

    以氬氣作為推進劑，在不同工況下進行點火實驗，測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數，得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數，分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響，為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。
  3. The sealing test pressure can be the highest static head calculated according to power station

    ；密封試驗壓力可按電站最高靜水頭計算值（ hmax ） 。
  4. Based on the results from both laboratory test and field application of vacuum preloading it can be concluded that soil is water - saturated in the processes of vacuum consolidation or vacuum preloading. thus, the consolidation properties in negative - pressure area cannot be calculated by using the theory based on non - saturation soil. negative pore - water pressure and suction were specified

    在室內試驗及現場試驗基礎上，證明真空預壓加固地基過程中，負壓區土體仍是飽和的，不能用非飽和土理論來計算負壓區的固結性狀，並辨析了負壓與吸力的概念。
  5. At the same time, based on the theory of rankine ' s earth pressure, several kinds of reasonable formulae about water and earth pressures are put forward. combined several practical foundation pit engineerings these equations are calculated according to the shear strength parameters of uu and cu test

    同時，文章以朗肯土壓力理論為基礎找出了水土壓力合算和分算的幾種合理的計算方法，並利用實際算例根據試驗所得的抗剪強度指標對這幾種土壓力計算方法進行了比較和分析。
  6. The differential pressure across the pressure test points is measured and the flow rate calculated using the calibrated chart or flow coefficient table

    測量經過壓力測試點的壓差，並利用標準化圖表或流量系數表計算流動速率。
  7. In order to compare the influence of the initial refrigerant and the new refrigerant to test system better, the volume refrigeration capacity per unit, cop and the ratio of pressure were calculated and compared from the basic refrigerant loop

    為了更好的比較原有製冷工質和新型替代工質對測試系統的影響，本文從基本的製冷循環出發，對循環的單位容積製冷量、 cop以及循環壓比等參數進行了計算比較。
  8. Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated

    再次，採用加速壽命試驗的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究，引入逆冪律模型作為特徵壽命與燃燒室壓力之間的關系模型，得到了weibull分佈下恆定應力加速試驗的加速壽命方程，並通過加速壽命方程折算出不同室壓下的可靠度估計。
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