低肋管强化传热效能的数值计算分析

A Computational Analysis, of Enhanced Heat Transfer Efficiency of Low Fin Tubes

低肋管在热设备中的应用日益广泛。本文运用边界单元法对低肋管的强化传热效能进行了数值计算。分析了低肋管断面形状、几何尺寸及管内外对流换热条件对强化传热效能的影响,为低肋管在工程中的应用提供了参考依据。

The Application of low fin tubes(LFT)in heat equipmemts become more and more extensive. A numerical calculation of enhanced heat transfer efficiency of LFT is finished in this paper by the boundary element method. The sectional shape, dimension and convectional heat transfer condition of LFT are discussed. The conclusion provides good information for the application of LFT in engincerings.