摘要
本文首先利用康脱洛维奇变分方法推出了任意顶角三角形管道中的层流流动速度,继而讨论了管道中的压力损失和壁面切应力分布。文中推出的结果经与可能的其它理论分析结果比较表明,这种分析是可靠的。
The paper first derives lamnar flew velccity in triangular dnets of arbitrary vex ex argle with yariational■ method ard iler. discusses pressure drop and wall shear stfesa distrudu■ois. The restl■s of the theoretic analysis dirived from the ar■cic h■ghly ccrrcsponds to other theoretic analysis results. The analys.stin the ar■cle is rel,able.
关键词
管流木力学
三角形管道
层流
变分
variatior, velocity, pressure drop, wall shear stress.
