The paper introduces the resistance reduction methods of van type vehicles-actively boundarylayercontrol method and passive boundary layer control method.
介绍了厢式货车的减阻方法——主动控制边界层法和被动控制边界层法。
2
The formula of anticipant control moment is deduced by adopting the method of exponent reaching law and twitter reducing of boundarylayer.
并研究了姿控发动机的配置特点和点火逻辑，给出了由期望力矩计算实际控制力矩的方法。
3
The paper introduced a new technology to control the boundarylayerof vehicle windtunnel with tyre mood of part-gutter inspiration.