Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
雷诺数计算和其定义有关。比如槽道流动中特征长度采用的是槽径,平板流动就是板长,而颗粒雷诺数就是采用颗粒粒径。 你搜过其他论文里面的选取原则吗?