In this paper, the new optimization method, constant fin scale method, on the longitudinal fins is introduced and compared with traditional method.
介绍了优化鳍片管的恒肋重法，并与传统的计算方法进行了对比验证。
An improved one dimensional heat transfer equation of the rectangular longitudinal fin with uniform section and its modified approximate solution are proposed.
本文推出了等截面矩形直肋的一维修正传热方程及修正近似解。
In addition, the longitudinal moments of bare body in still water and model with horizontal fin are measured.
并分别测量了静水中光体和安装水平鳍的船模纵倾力矩。
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