longitudinal fin

基本解释

The research can be divided into six parts: the outer heat transfer and flow resistance rule research of longitudinal fin tube;
本文主要从以下六个方面进行研究：纵向翅片管管外换热与阻力特性；
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。
Based on the linear superposition technique, a hydrodynamic mathematical model of the SWATH ship motion simulation with controllable fin in longitudinal irregular waves is developed.
在本文中，以一线性重叠法创建一数学模式，利用此模式来仿真一具可控制翼板之小水面双体船在不规则波之运动。