All the improvements included the modifications on the sound velocity , characteristic mach number and the mach number at the grid interface . several 2d flow fields which had shock , shear flow , rarefaction wave , or turbulent boundary layer and the combination of them were computed 该格式改进了声速、特征马赫数的处理方式，对网格界面马赫数进行了修正，并求解了含有脱体激波、斜激波、剪切流、膨胀扇、及湍流附面层等流动特征的复杂流动。
Numerical simulation shows that , at small and medium c , multi - slot circulation control can increase the lift of the airfoil and reduce the amount of the energy expense , and that it can improve the aerodynamic performance of cca at higher mach numbers by avoiding the “ compressibility stall ” 结果表明，多喷口环量控制方法可以在中、小c吹气时提高翼型的升力和减小能耗，并能改善环量控制翼型在较高来流马赫数下的气动性能，避免“压缩性失速” 。
The numerical method to solve the equation for spatial amplification theory is described in detail . deduced first - order system equations from spatial instability theory and its eigenvalue problem are solved and neutral lines varied with mach numbers are given 运用稳定性理论的空间放大理论，建立稳定性方程，得到一个六元一阶方程组，然后求解该一阶系统，计算并得到不同马赫数下的中性稳定曲线，基于此得到不同马赫数下流场的临界失稳点和稳定区域。
In this paper , some flows around naca 0012 aerofoil , m6 wing and two different blunt vehicles are simulated , the results show that the present algorithm possesses good characteristics and capability for normal mach number and for hypersonic of simple configurations 通过对naca0012翼型、 m6机翼、钝头以及双钝锥?柱体的算例验证，本文能很好的解决一般马赫数问题，能够很好的求解简单外形的高超声速问题，对于复杂外形飞行器还需要进一步进行研究验证。
Dual - mode ramjet engine which gathers the advantages of both ramjet and scramjet is a new - style airbreathing propulsion device . it can operate over a wide mach number ranges ( m = 3 - 8 ) . it is of remarkable performance and great potential application for hypersonic vehicle 双模态冲压发动机是综合了亚燃冲压发动机和超燃冲压发动机优势的一种新型的吸气式动力装置，它可以在比较宽广的飞行马赫数范围内工作( m 3 8 ) ，具有良好的工作性能和广阔的应用前景。
