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- Reynolds数Reynolds number
- 频率Reynolds数frequency Reynolds number
- 数to count
- 在与实际飞行条件相对应的Mach数和Reynolds数条件下对典型的高超声速航天飞行器进行了实验。Typical aerospace hypersonic vehicles(flight test bed EXPERT supported by ESTEC and potential re-entry demonstrator ARES-H proposed by EADS-ST) have been tested in the Mach and Reynolds number ranges corresponding to realistic flight conditions.
- 俄罗斯科学院西伯利亚分院理论与应用力学研究所新研制的AT-303风洞于1999年开始投入使用。 由于具有较高的驻点压力,AT-303能够模拟飞行器再入时的真实Reynolds数,其Mach数范围为8~20。The new wind tunnel AT-303 was commissioned in the Institute of Theoretical and Applied Mechanics in 1999.Owing to the high level of stagnation pressure,AT-303 is able to duplicate realistic flight Reynolds number values of re-entry vehicles,within the Mach number range of 8 to 20.In the frame of an ISTC project conducted by ITAM in collaboration with ESTEC and EADS-ST,aerodynamic investigations of different aerospace vehicles have been performed in the AT-303 wind tunnel.
- 行数linage
- 页数pagination
- 有数know exactly about sth.
- 数位digital
- 数个couple
- 为数amount to
- 可数名词countable
- 份数umber
- 数数spillikin
- 和数summation
- 模数modulus
- 频数frequence
- 记数numeration
- 层数number of plies
- 维数dimension
