8.2 THE BASIC NORMAL SHOCK EQUATIONS 正激波的基本方程 P pTM M 2 x direction u2 Unknown conditions Po. 0,2 behind the h h02 wd 02 The shock wave is a thin region of highly viscous flow. The tio through the shock is adia batic FIGURE 8.3 but nonisentropic sketch of a normal wave 激波是很薄的、具有强粘性的区域。通 过激波流动是绝热的但不等熵8.2 THE BASIC NORMAL SHOCK EQUATIONS 正激波的基本方程 激波是很薄的、具有强粘性的区域。通 过激波流动是绝热的但不等熵