高效节能钢带式果蔬绿色干燥装备翅片管换热器的传热计算  

The calculation of finned tube heat exchanger

作　　者：蒲彦君 

机构地区：[1]甘肃省机械科学研究院,甘肃兰州730030

出　　处：《机械研究与应用》2010年第4期73-74,77,共3页Mechanical Research & Application

基　　金：十一五国家科技支撑计划项目--果蔬绿色干燥和保鲜技术装备项目(2006BAD11A13-02)

摘　　要：翅片管换热器是高效节能钢带式果蔬绿色干燥装备的供热装置,通过对翅片管换热器的翅化比、对流换热系数、传热系数及阻力的计算,得到了翅片管换热器的压降及翅片管的管数,计算结果表明翅片管换热器换热能力强,传热系数高。Finned tube heat exchanger is the heating device in energy-saving steel-belt fruit green drying equipment.Through the calculation of the wings of the convective,heat transfer coefficient and the resistance coefficient in finned tube heat exchanger,the number of finned tube and the pressure drop are got for the finned tube heat exchanger,Calculation results show that the finned tube heat exchanger has strong ability and high coefficient of heat transfer.

关 键 词：翅片管 翅化比 传热系数 对流换热系数 压降 

分 类 号：S22[农业科学—农业机械化工程]