郑州大学学报（工学版）2017，Vol.38Issue(1)：41-45,5.DOI:10.13705/j.issn.1671-6833.2017.01.002
一种强化换热流道的传热特性及流体扩散性分析
Characteristics of Heat Transfer and Fluid Diffusion in a Heat Transfer Enhanced Duct
摘要
Abstract
The characteristics of a flow duct with orthogonal waves were numerical studied by using CFD code Fluent with a lower Reynolds number.The numerical simulations were verified by experimental results.The result indicated that heat transfer was enhanced in the duct with a lower fluid velocity.With the impact of duct geometry and fluid vicious force,the relative positions between streamlines and distribution of fluid velocity varied greatly with the fluid locations.Second flow came into being on cross sections along the duct.Fluid continually received strong function of stretching and folding,bearing varied bigger transverse velocity component.The magnitude and direction of fluid changed with the locations,and the intensity of stretching and folding changed as well.A complex 3D flow field was formed in the duct,which enhanced fluid mixing and heat transfer.The results and method could provide references for mechanism analysis and structure development.关键词
层流/传热强化/扩散性/对流传热Key words
laminar/heat transfer enhancement/diffusion character/convective heat transfer分类
能源科技引用本文复制引用
王永庆,朱冰,赵頔,靳遵龙..一种强化换热流道的传热特性及流体扩散性分析[J].郑州大学学报（工学版）,2017,38(1):41-45,5.基金项目
国家自然科学基金资助项目(21676257) （21676257）
河南省高等学校重点科研项目(17A530006) （17A530006）
中国博士后科学基金资助项目(2014M552011,2016T90678). （2014M552011,2016T90678）
