基于CFD的2种典型船用风管连接件阻力性能研究与优化  

Research and Optimization of Resistance Performance of Two Typical Marine Air Duct Connectors Based on CFD

作　　者：陈姜龙 魏文俊 刘亚东[1,2] CHEN Jianglong;WEI Wenjun;LIU Yadong(Shanghai Jiao Tong University,State Key Laboratory of Ocean Engineering,Shanghai 200240,China;Shanghai Jiao Tong University,School of Ocean and Civil Engineering,Shanghai 200240,China;Hudong Zhonghua Shipbuilding(Group)Co.,Ltd.,Shanghai 200129,China)

机构地区：[1]上海交通大学海洋工程国家重点实验室,上海200240 [2]上海交通大学船舶海洋与建筑工程学院,上海200240 [3]沪东中华造船(集团)有限公司,上海200129

出　　处：《船舶工程》2025年第3期36-43,共8页Ship Engineering

摘　　要：[目的]为降低船舶空调通风系统能耗并提高舒适性,对不同雷诺数和不同几何形状的船舶方风管2种典型连接件进行了数值模拟。[方法]通过计算管内流体的速度场分布、压力场分布以及二次流现象,分析局部阻力系数和连接件局部总压损的分布情况,对这2种风管连接形式做优化。[结果]优化了2种风管连接件,规范其在不同条件下的选型,降低管网阻力,从而达到降低能耗并提高舒适性的目的。[结论]研究结果可为设计人员风管连接件阻力设计提供一定参考。[Purpose]In order to reduce the energy consumption and improve the comfort of marine air conditioning and ventilation system,two typical connectors of marine square air ducts with different Reynolds numbers and different geometric shapes are numerically simulated.[Method]By analyzing the velocity field distribution,pressure field distribution and secondary flow phenomenon of fluid in the ducts,the distribution of local resistance coefficient and local total pressure loss of connectors are investigated.[Result]The selection of two kinds of air duct connectors under different conditions is optimized to reduce pipe network resistance,thus achieving the purpose of reducing energy consumption and improving comfort.[Conclusion]The research results can provide some reference for the resistance design of air duct connectors for designers.

关 键 词：局部阻力系数 Fluent数值模拟 船舶风管降阻 风管连接件 能耗与舒适性优化 

分 类 号：U664.86[交通运输工程—船舶及航道工程]