内置转子套管式换热器强化传热实验
CIESC Journal(2012)
Abstract
概述了转子组合式强化传热装置的强化传热和自清洁原理,通过实验研究了内置螺旋叶片转子及叶片间断型转子换热管的传热和阻力特性。实验结果表明,在相同的Re条件下,内置螺旋叶片转子换热管管内的Nusselt数高于内置叶片间断型转子换热管,阻力系数低于内置叶片间断型转子换热管,同时PEC值明显高于叶片间断型转子的PEC值,说明内置螺旋叶片转子换热管的综合性能优于叶片间断型转子。
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Key words
rotors-assembled,helical blade,comprehensive performance,discrete blade,heat transfer enhancement
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