单头螺纹槽管管内紊流对流换热  

Turbulent Convection Heat Transfer in Single Start Spirally Corrugated Tubes

作　　者：孙中宁[1] 杜泽 黄渭堂 阎昌琪 王明为 

机构地区：[1]哈尔滨工程大学

出　　处：《核动力工程》1998年第5期419-422,共4页Nuclear Power Engineering

摘　　要：以水为工质，进行了适合于船舶换热器使用的螺纹槽管管内紊流对流换热和阻力特性的实验研究，同时还讨论了旋流对换热的影响以及影响旋流强度和强化换热效果的因素，分析了变物性对螺纹槽管阻力特性的影响。An experimental investigation of tube side heat transfer and fluid friction characteristics of Single start Spirally Corrugated Tubes for heat exchanger is conducted.Based on experimental data,the influence of rotating flow on heat transfer and the factors that affects the degree of flow rotating and the effect of heat transfer enhancement are discussed.Finally,an analysis of variable property effects to fluid friction of spirally corrugated tubes is made.

关 键 词：强化换热 对流换热 螺纹槽管 船舶 换热器 

分 类 号：TK172[动力工程及工程热物理—热能工程]