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INVESTIGATION OF HEAT TRANSFER AND FLOW RESISTANCE ON TWISTED TUBE HEAT EXCHANGER

Si Qin and Xia Qing(Chemical EngineeringDepartment Tianjin UniversityTianjin 300072)Liang Longhu(Luoyang PetroleumChemical EngineeringCompany ,Luoyang 471003)Li Dingxu(Lanzhou CHangzheng Machine Factory, Lanzhou 730050)   

  • Online:1995-10-25 Published:1995-10-25

螺旋扁管换热器传热与阻力性能

思勤,夏清,梁龙虎,李定绪   

  1. 天津大学化工系!天津300072,天津大学化工系!天津300072,洛阳石油化工工程公司!洛阳471003,兰州长征机械厂!兰州730050

Abstract: Twisted tubes with different structural parameters (Froude number) were investigated at 1000

摘要: 对不同结构的螺旋扁管管内传热及流体阻力性能进行实验研究,并与光管比较,选出传热与流阻综合性能较好的管型。同时对2台螺旋扁管换热器及1台外螺纹螺旋扁管换热器进行壳程传热与流阻实验研究。根据实验结果给出了管、壳程传热膜系数与阻力系数的经验关联式。

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