本文在总结大量实验资料基础上提出了对带横肋和圆形绕丝的环形通道中的换热和阻力计算公式,分析了粗糙元参数和流体Pr数对粗糙通道热力性能的影响。文中还分析了肋加槽型复合粗糙面的优良性能,提出相应的计算公式。 Based on a large amount of experimental data, the formula of heat transfer and resistance of circular channel with transverse rib and circular filament winding is proposed in this paper. The influence of roughness parameter and Pr number on the thermal performance of rough channel is analyzed. The paper also analyzes the excellent performance of rib plus grooved composite rough surface and puts forward the corresponding calculation formula.