稳定器流动、燃烧实验及冷态大涡模拟研究
Experimental Studies of Flow and Combustion with a Flame-Holder and LES of the Flow
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摘要: 蒸发式V型稳定器是一种适用于加力式涡扇发动机加力燃烧室的外涵稳定器,本文在冷态实验中测量其流阻,同时在热态实验中测量其工作范围,并用大涡模拟对其冷态流场进行了三维全尺寸非稳态的数值模拟。分析表明,多处的回流区的组织有利于增加稳定器的稳定工作范围。Abstract: Flow and combustion in a combustor using a V-gutter flame-holder with pre-vaporization for afterburners are studied by experiments and the cold flow is also studied by large-eddy simulation.The results indicate that this kind of flame holder can create multiple recirculation zones which lead to increasing the range of flame stabilization.
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[1] 陈大光,张津,朱之丽.推重比15一级发动机有关总体性能的关键技术和难点分析[J].航空动力学报,2001,16(1):7~12.Chen Daguang,Zhang Jing,Zhu Zhili.Performance Related Key Technologies and Difficulties of Engines with Thrust-toWeight Ratio up to Level of 15[J].Journal of Aerospace Power,2001,16(1):7~ 12. [2] 王泽军.涡扇发动机加力燃烧室热阻损失的计算[J].航空发动机,1994(4):9~14.Wang Zejun.Hot Resistance Loss Calculation of the Turbine Fan Engine Afterburner[J].Aeroengine,(4):9~14. [3] 章诚,叶桃红,陈义良,等,三维加力燃烧室两相湍流燃烧的数值模拟[J].航空动力学报,2000,15(4):397~400.Zhang cheng,Ye Taohong,Chen Yiliang,et al.Numerical Simulation of Two-Phase Turbulent Combustion in a 3-D Afterburner[J].Journal of Aerospace Power,2000,15 (14):397~400. [4] Giacomazzi E,Battaglia V,Bruno C.The Coupling of Turbulence and Chemistry in a Premixed Bluff-Body Flame as Studied by LES[J].Combustion and Flame,2004,138:320~335. [5] Kim S E.Large-Eddy Simulation Using Unstructured Meshes and Dynamic Subgrid-Scale Turbulence Models[R].Technical Report AIAA-2004-2548,American Institute of Aeronautics and Astronautics,34th Fluid Dynamics Conference and Exhibit,June 2004.
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