Effectiveness-NTU analyses in a double tube heat exchanger equipped with wavy strip considering various angles
Energy Conversion and Management(2016)
摘要
•Double tube heat exchanger equipped with wavy strip turbulators was studied.•The effects of wavy strip angles on the effectiveness were investigated.•Variation of the effectiveness with hot and cold water flow rate was presented.•The effectiveness increases with the decrease of wavy strip angle.•The friction factor increases with the decrease of wavy strip angle.
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关键词
Double tube heat exchanger,Effectiveness,NTU,Turbulator,Wavy strips
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