燃烧器流场分布影响换热效果的数值模拟研究

Study on the numerical simulation of a combustor's cold flow field impacting the effect of heat transfer

通过FLUENT软件对YJ-Q系列燃烧器冷态流场进行了数值模拟,结合试验分析数值结果显示,烟气经过的流道越长,换热效果越好,并指出一次燃烧室的缩口对持续燃烧有很重要的作用。

Based on FLUENT, the cold flow field in YJ-Q combustor is simulated. Comparing with the result of experiment, the result of numerical simulation show that the longer the flue gas flow through, the better the effect of heat transfer is, the neck of the combustor＇s chamber is very important to sustain the combustion.