CFD study of heat transfer for oscillating flow in helically coiled tube heat-exchanger
作者： Changzhao Pan , Yuan Zhou , Junjie Wang
DOI: 10.1016/J.COMPCHEMENG.2014.07.001
关键词: Computational fluid dynamics 、 Heat transfer enhancement 、 Heat exchanger 、 Mechanical engineering 、 Materials science 、 Field (physics) 、 Oscillating flow 、 Heat transfer 、 Tube (fluid conveyance) 、 Pressure drop
摘要: Abstract The heat transfer and pressure drop for oscillating flow in helically coiled tube heat-exchanger were numerically investigated based on the Navier–Stokes equations. correlation of average Nussel number friction factor proposed considering frequency inlet velocity. problems are influenced by many factors. Hence we need an easy way to reduce numbers simulation or experiment. Therefore, method uniform design was adopted feasibility this verified. field synergy principle used explain enhancement heat-exchanger. result shows that smaller volume angle tube, better rate transfer.
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