桥梁断面表面压力系数、最小压力系数等是桥梁断面重要的参数。
The surface pressure coefficient and the minimum pressure coefficient of a bridge deck section are important parameters of the bridge.
结果表明，高速列车通过时跨线天桥表面受到空气压力波的作用，压力系数的波动范围为-0．135～0．095。
Results of the computations show that on overline bridge a pressure pulse occurs while a train passes. the coefficients of the pressure pulse range from-0.135 to 0.095.
获得波后流场的等压力线、等密度线、等马赫线和圆锥表面的压力系数，确定了锥激波的几何位置。
Pressure contours, density contours, Mach number contours and pressure coefficient on the cone are obtained. Conical shock wave position is geometrically determined.
运用摄动方法，给出了速度势的四阶近似，然后得到了圆柱表面的无量纲的压力系数和阻力系数。
Using the perturbation method we have got the fourth order of approximation of the velocity potential to the problem.
运用摄动方法，给出了速度势的四阶近似，然后得到了圆柱表面的无量纲的压力系数和阻力系数。
Using the perturbation method we have got the fourth order of approximation of the velocity potential to the problem.
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