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High-order accurate simulation of low-Mach laminar flow past two side-by-side cylinders using spectral difference method
Spectral difference method Curved wall boundary Unstructured grid
2015/7/2
This paper reports development of a two-dimensional solver for compressible viscous flow using spectral difference (SD) method and its applications on simulating laminar flow past two side...
An Investigation of the Attainable Efficiency of Flight at Mach One or Just Beyond
Attainable Effi ciency Flight Mach Just Beyond
2015/7/2
The Breguet range equation indicates that to the first order of approximation range will be maximized by maximizing ML/D, where M is the Mach number and L/D is the lift/drag ratio. Since the dra...
跨音速时物面Mach数变化特点及其应用
跨音速 物面Mach 数
2012/7/9
物面Mach数变化特点 若干实验数据表明,当Ma_∞趋近于1时,物面当地Ma数随Ma_∞的变化不仅具有已知的局部冻结特征(Ma/Ma_∞)~*=0;还呈现一种拐点特征,即(~2Ma/Ma_∞~2)~*=0(见图1,角注“*”表示Ma_∞=1处的数值)。由图可见,这些数据在趋势上支持了拐点特征。