查询词典 mach number

In this paper, typical heating distributions on the gap wall were presented; effects of Mach number, attack angle and deflection on heat transfer to the gap wall were discussed;and comparisons between measured and predicted gap heating were made.

本文给出了缝内典型热流分布结果，讨论了马赫数、攻角和偏转角对缝内热流分布的影响并与现有计算方法和实验数据进行了比较。

Numerical and experimental results show that the ejection ratio has little effect on the distribution of Mach number and exit flow angle of the two slot types. However, the energy degradation coefficient increases at first and then it has a decreasing tendency with the increase of ejection ratio.

计算与试验结果显示：两种开缝形式下，喷气比例对叶片表面参数以及出口气流角影响不大，但能量损失系数随着喷气比例的增大出现先增大后减小的趋势。

Then, in the viscous fields, based on reference enthalpy theory and semi-empirical formulas, using the boundary layer edge conditions and classic methods, calculated the heating rates and the temperature on the heads of projectile in different Mach number and different angle of attack.

在粘性主导区内，在理论与半经验公式的基础上，利用参考焓方法，将无粘数值求解得到的边界层外缘参数代入经典的热流计算公式，从而得到不同马赫数、不同攻角时弹丸头部的表面热流和温度。

Complex wave structures of supersonic inlet at different inflow Mach number and angle of attack related to critical status were achieved by numerical simulation.

通过数值模拟得到了对应于不同来流马赫数和攻角情况下，临界工况时，超声速进气道内外粘性流场复杂的波系结构。

Current adjustable blade application in military aero-engine was discussed and the further development trend was predicted. High load, high mach number, broad flow angle range, and low flow loss level will be pursued.

根据航空军用发动机/压气机的发展趋势预测，可调叶片技术将在高负荷、高流动马赫数、宽调节范围、低流动损失4项指标上进一步提高。

The profiles of density,velocity,temperature,pressure and Mach number can be obtained by the computation.

通过计算可以得出密度、速度、温度、压力和马赫数的分布。

When compared with experimental data, the CFD predictions for Mach number data agreed to within 2 percent.

当与实验数据的计算流体力学预测马赫数数据同意在百分之二。

Numerical results show that contribution of high order terms are very important at lower Mach number or high angles of attack.

数值结果表明高阶项的贡献在较低马赫数或大迎角情况下是很重要的。

And Mach number (to 0.88), and changing test section configurations. The significant results have been obtained.

首次开展了大堵塞比高M数和变试验段截面的探索性研究，取得了不同程度的成功，并获得了极有价值的研究成果。

In this case the valve outlet mach number is 0.4andthe valve noise level is approximately 85 dBA.

在这种情况下，阀门的出口马赫数为0.4，阀门的声压级约85分贝。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。