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合成气微型燃气轮机燃烧室优化设计及数值模拟 被引量:5

Design and Numerical Simulation of Micro Gas Turbine Combustor Burning Syngas
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摘要 初步设计了一种以富氢合成气为燃料的微型燃气轮机燃烧室。根据相关标准及热力计算结果依次确定了燃烧室的基本几何尺寸,二次风、掺混冷却孔的位置及开孔面积和旋流燃烧器的结构等,并利用计算流体动力学软件对所设计的燃烧室的冷、热态流场,燃烧稳定性,燃烧效率和压力损失等性能进行了数值研究。计算结果表明:设计的燃烧室流场合理,燃烧稳定,燃烧效率高,压力损失小,基本上达到了设计要求。 A new syngas combustion chamber of micro gas turbine is designed. The basic geometric dimensions of the combustion chamber, the location and area of the secondary air and the mixing cooling hole, as well as the structure of the swirl burner, are determined based on the results of the thermal calculation and related standards. Additionally, the performance of the designed combustion chamber, such as the cold and hot flow fields, the combustion stability and efficiency and the pressure losses, is studied with the computation fluid dynamics (CFD) software. Numerical calculation results show that the flow field of the designed combustion chamber is reasonable and the combustion is stable with high efficiency and low pressure losses. All these indicate that the design requirements are satisfied. This work is supported by Fundamental Research Funds for the Central Universities.
机构地区 华北电力大学
出处 《中国电力》 CSCD 北大核心 2014年第2期100-105,共6页 Electric Power
基金 中央高校基本科研业务费资助项目(13XS09)~~
关键词 微型燃气轮机 燃烧室 富氢合成气 数值计算 micro gas turbine combustion chamber hydrogen-rich syngas numerical calculation
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