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Numerical Simulation and Optimization Research of Flow Characteristic in Primary Air Duct
Author(s): 
Pages: 410-413
Year: Issue:  5
Journal: Energy Conservation Technology

Keyword:  ductsecondary floweddy viscosity coefficientbaff;
Abstract: 为了改善锅炉烟风管道内二次流所引起的流体流动不均、振动等问题,本文采用重整化群k-ε模型计算了锅炉一次风管道中冷、热风阀门、弯管曲率等影响因素对管内流体流动特性的影响,并给出了在管道中安装导流板减小二次流的最佳方案.通过模拟结果发现,加装导流板后管内的流动湍动程度明显减弱.
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