jet area contraction coefficient 喷口收缩系数
spread coefficient of jet 射流扩散系数
jet velocity attenuation coefficient 射流速度降低系数
coefficient of jet-flow pressure drop 射流压力降低系数
decreasing coefficient of jet velocity 射流速度降低系数
jet spread coefficient 射流扩散系数
The effects of a side wall vertical jet on sudden-expansion channel's wall pressure coefficient, surface heat transfer coefficient and main flow recirculation zone length are discussed in detail.
讨论了垂直于突扩通道主流方向的侧壁射流对壁面压力系数、传热系数及主回流区长度的影响。
The time scale is obtained through the self correlation coefficient of the sound wave. It is clear that the time scale is inverse ratio to the jet velocity under the same gas velocity.
通过自相关系数测量火焰涡团的特征反应时间，结果表明：相同的燃气流量下，特征反应时间与射流速度成反比；
The jet penetration height, the separation distance, the separation boundary and the pressure coefficient within the separation region are estimated, and the 3-D correction is also adopted.
该模型可计算喷流穿透高度、分离区长度、二维分离区边界、分离区平台压力系数，并可对分离特性进行三维修正。
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