Combustion
火焰层生成流形模型
Flamelet-Generated Manifold (FGM) ModelA turbulence-chemistry interaction closure method used in RANS simulations to model the effects of turbulence on chemical reactions by reducing the chemical source terms to a function of a few progress variables. / 一种湍流-化学反应相互作用闭合方法，用于在RANS模拟中模拟湍流对化学反应的影响，通过将化学源项减少为几个进程变量的函数来实现。
- Knowledge type
- 工艺技术
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-12 19:06:17
Sub-knowledge points
Reduces computational cost by tabulating chemical source terms.Requires a pre-computed flamelet library for specific fuel/oxidizer mixtures.
Higher-order knowledge points
Turbulence-Chemistry Interaction (TCI)Reynolds-Averaged Navier-Stokes (RANS)Flamelet Theory
Main parameters and performance indicators
Progress variables: Variables tracking the progress of chemical reactions (e.g., mixture fraction, temperature).Flamelet library: Pre-computed tabulated data representing the chemistry of laminar flames under varying conditions.
Open problems
Capturing transient flame dynamics and extinction/re-ignition events.Accurately modeling the effects of differential diffusion on the manifold.
Related literature
ranked by community starsRANS-Based Numerical Assessment of Mixture Stratification, Flame Topology, and Relative Emissions Trends of Turbulent Flames Stabilized in a High-Velocity-Ratio Coaxial BurnerOpen source
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1 recordsRecord title: Flamelet-Generated Manifold (FGM) Model.
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