IMECH-IR  > 力学所知识产出(1956-2008)
Numerical modeling of eccentric jet precombustor
Sun YZ
Source PublicationAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
2002
Conference NameComputational technologies for Fluid/Thermal/Structural/Chemical Systems with Industrial Applications (2002 ASME Prssure Vessels and Piping Conference)
Conference DateAugust 5, 2002 - August 9, 2002
Conference PlaceVancouver, BC, Canada
AbstractThis thesis presents a numerical modeling on the cold flow field of the eccentric jet precombustor developed by the Institute of Mechanics, Chinese Academy of Sciences. The numerical modeling is to research the flow field structure of the eccentric jet precombustor, to study the factors which affect the recirculating region produced in the precombustor by eccentric jets and their affecting rules, then the results of the study will play the guiding and referenced roles in the optimizing design and operation of the eccentric jet precombustors. The effects of precombustor structure and operating parameters on flow field characteristics and possible effects on combustion stability in these two types of eccentric jet precombustor are numerically modeled, a detailed numerical analysis on the effects of eccentric jet precombustor's structure include the shape of eccentric jet precombustor, the length of precombustor, the position, area, obliquity and shape of primary jet (main jet near center), the position and area of secondary jet (auxiliary jet near the wall), the momentum rate of primary jet to secondary jet etc.. The code is used to solve the velocities fields, turbulent kinetic energy fields and other parameters. On this basis a comparison is made between the investigated cases and the most effective conditions are determined.
KeywordEccentric Jet Precombustors
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Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60258
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Sun YZ. Numerical modeling of eccentric jet precombustor[C],2002.
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