Simulation of Shell-Side Performance of Novel Heat Exchanger

Xing Cao; Wen Jing Du; Lin Cheng

doi:10.4028/www.scientific.net/AMM.201-202.107

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 201-202Simulation of Shell-Side Performance of Novel Heat...

Simulation of Shell-Side Performance of Novel Heat Exchanger

Abstract:

Numerical simulation of shell-and-tube heat exchangers with novel helical baffles was carried out by using commercial codes to study shell-side flow and heat transfer characteristics. The results show that compared with shell-and-tube heat exchangers with conventional helical baffles, the ones with novel helical baffles can efficiently reduce the leakage from triangle zone so that the distributions of both the velocity field and heat transfer on tubes are more uniform. The comparison of comprehensive performance which is evaluated by heat transfer coefficient per unit pressure drop between conventional helical baffles and novel ones indicates that the latter performs better.