基于热阻的燃煤锅炉辐射传热的合理预示

被引:4
作者
徐明厚
HeXiu-guang
AzevedoJ.L.T
韩军
毛军
姚成军
机构
[1] 华中科技大学煤燃烧国家重点实验室
[2] InstitutoSuperiorTènico
关键词
燃煤锅炉; 积灰结渣; 数值模拟;
D O I
10.13334/j.0258-8013.pcsee.2002.07.004
中图分类号
TK229.6 [燃煤锅炉];
学科分类号
摘要
积灰、结渣对电站锅炉炉内传热过程的影响的合理评估无论对锅炉的设计,还是运行都是相当重要的。该文通过引入热阻来代表锅炉壁面的积灰结渣从而合理描述这种影响。文中采用实际燃煤电厂热流计实测数据与三维计算流体动力学数值模拟的结果对上述方法进行了检验。数值预示结果与电厂数据的比较表明该方法完全能满足工程精度的需要。
引用
收藏
页码:18 / 23+28
页数:7
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