The influence rules of underbody diffuser on light-bus aerodynamic characteristics are studied with the method of numerical simulation.
用数值模拟的方法，研究轻型客车底部上翘角对其气动特性的影响规律。
2
The surface pressure distribution around the deck section has significant influence on the aerodynamic behaviour of the deck.
表面压力分布对断面的气动特性有着重要的影响。
3
The nose shapes of high-speed trains with optimal synthetic aerodynamic performance can efficiently reduce the influence of the aerodynamic phenomena on the train operation and the environment.