Numerical Study of the Effects of Main Parameters on Micro-combustion for Micro-gas Turbine Engine

被引:0
作者
Zeng, Zhaoqi [1 ]
Wang, Zhenlong [1 ]
Song, Guoxin [2 ]
机构
[1] Harbin Inst Technol, Minist Educ, Key Lab Microsyst & Microstruct Mfg, Harbin, Peoples R China
[2] Xian Aerosp Engine Corp, Xian, Peoples R China
来源
2010 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2010年
关键词
micro-gas turbine engine; micro combustion; CFD; numerical simulation; SYSTEM;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
a new structure of power generator, micro-turbine engine with annular combustion chamber was designed and studied. The Computational Fluid Dynamics (CFD) numerical simulation on micro combustion chamber of hydrogen and air mixture was conducted to calculate the flow rate and temperature in different conditions. The operating range of the micro-combustion was studied; the maximum excessive air ratio is up to 5. The hydrogen and air mixture can be ignited only on condition that the premixed fuel gas temperature is above 450K and the mass flow rate of hydrogen is less than 0.1g/s. Otherwise the flame will be blown out. Meanwhile we can see that the gas temperature will be decreased as the mass flow rate of hydrogen increased. The investigation of the thermal performance of the micro-combustor is helpful to design an improved micro-turbine engine which can generate electric power or produce thrust for micro unmanned aerial vehicles.
引用
收藏
页数:4
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