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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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燃气轮机锥形稳燃燃烧器燃烧特性分析
, PP. 32-36
Keywords: 燃气轮机,ev燃烧器,燃烧特性,旋流强度,nox排放,fluent仿真
Abstract:
为了验证旋流强度对微型锥形稳燃燃烧器(ev燃烧器)燃烧性能的影响,利用烟气分析仪对不同工况下烟气中nox质量浓度进行检测,并应用计算流体力学软件fluent进行仿真。结果表明:在额定工况下,采用强旋流可以使燃烧反应趋于稳定,使nox质量浓度下降21.2%,而流量较小时,采用强旋流反而使燃烧过程变得不稳定,nox质量浓度上升6.2%;在回流区减弱时燃料与空气混合度下降约为0.42×10-5;在ev燃烧器设计中,不同流量应采用不同旋流强度。
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