An experimentally verified numerical model of finned heat pipes in crossflow
作者： John R. Stark , Nourouddin Sharifi , Theodore L. Bergman , Amir Faghri
DOI: 10.1016/J.IJHEATMASSTRANSFER.2016.01.051
关键词: Mechanics 、 Convective heat transfer 、 Micro-loop heat pipe 、 Forced convection 、 Heat pipe 、 Condenser (heat transfer) 、 Micro heat exchanger 、 Annular fin 、 Fin 、 Thermodynamics 、 Materials science
摘要: Abstract A numerical model is developed to predict heat rates associated with a pipe whose finned condenser section subjected external forced convection. Multiphase, conjugate transfer inside the predicted using 2-dimensional model, while fluid flow and convection within fin array described coupled 3-dimensional shear stress transport (SST) model. Predictions of local temperatures overall are verified experimentally. The SST also validated direct simulations that show highly time-dependent, phenomena in array. previously unreported phenomenon, localized depression wall, presented parametric reveal sensitivity system performance number fins air velocity
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