Study on Grid Generation of Gas Turbine Combustor
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摘要: 研究了燃烧室三维贴体网格人机交互生成的方法.使用该方法可以生成包括扩压器、内外环通道和火焰筒在内的燃烧室流场计算所需的整个网格.可以对网格的疏密和正交性进行调整.可以处理火焰筒上的主燃孔,掺混孔和气膜孔.并能够输出边界曲面上网格点的类型,用于流场计算.网格边界线的输入和边界线上的网格点分布采用人机交互方式生成.使用VISUAL BASIC语言编写程序界面.把整个网格生成及图形显示功能集成在一个软件中.Abstract: The interactive grid generation method has been studied.The 3D bodyfitted grid for whole combustor,which is composed of diffuser,outer and inner annular combustor,has been generated.The better density and orthogonality of grid could be achieved,The primary,dilution and film cooling holes on the liner of combustor could be treated properly.The type of grid on the boundary surface was exported for the numerical calculation of combustion flow.The boundary curves and distributions of grid points on them could be determined interactively.By use of the VISUAL BASIC language,all parts of grid generation were integrated into a set of software.
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Key words:
- combustion chambers /
- grids /
- graphics /
- display
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1.Thompson Joe F.Grid generation techniques in computational fluid dynamic.AIAA J,1984,22(11):1505~1523 2. 施法中.计算机辅助几何设计与非均匀有理B样条.北京:北京航空航天大学出版社,1993.228~317 3. Smith R E.A grid spacing control technique for algebraic grid generation methods.AIAA820226,1982 4. Woan C J.An integrated surface patch/surface elliptic grid generator.AIAA880512,1988 5. Rajagopal K.A versatile multizonal girding technique fir complex geometry.AIAA900011,1990 -
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