一般干线输气管都在阻力平方区The main pipelines are generally in the resistance square area, 不满负荷时在混合摩擦区Under load in the mixed friction zone, 城市及居民区的配气管在水力光滑区。The air pipes of urban and residential areas are in the hydraulic smooth area.
【参考答案】在讨论输气管道的流动特性时,我们通常会根据雷诺数(Reynolds number)来判断流体流动的区域。雷诺数是一个无量......
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