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The numerical analysis is conducted to investigate Jet-in-Hot-Coflow (JHC) using multi- Flamelet Generated Manifold (FGM) approach. A 2D axisymmetric model is simulated using GRI 3.0 detailed kinetics to describe JHC burner which consists of three different streams such as fuel stream, hot coflow, and cold coflow. RANS-based two transport equations (turbulent kinetic energy and turbulent dissipation rate) are solved using modified k-ε model in order to simulate turbulence-chemistry interaction. Moreover, partially premixed combustion is modeled using transported Probability Density Function (PDF) based on multi-Flamelet Generated Manifold (FGM) combustion models. Predicted values of different characteristics such as temperature and mean mixture fraction show good agreement with experimental data.

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Numerical Investigation of Jet-in-Hot-Coflow Flames Using Multi-FGM Approach

  • 会议论文

  • 发表日期：

    2026年

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  • Amit Kumar,
  • Uma Shanker,
  • Dheeraj Minglani,
  • Moniya,
  • Vishali,
  • Tejaswini Yadav

摘要

The numerical analysis is conducted to investigate Jet-in-Hot-Coflow (JHC) using multi- Flamelet Generated Manifold (FGM) approach. A 2D axisymmetric model is simulated using GRI 3.0 detailed kinetics to describe JHC burner which consists of three different streams such as fuel stream, hot coflow, and cold coflow. RANS-based two transport equations (turbulent kinetic energy and turbulent dissipation rate) are solved using modified k-ε model in order to simulate turbulence-chemistry interaction. Moreover, partially premixed combustion is modeled using transported Probability Density Function (PDF) based on multi-Flamelet Generated Manifold (FGM) combustion models. Predicted values of different characteristics such as temperature and mean mixture fraction show good agreement with experimental data.