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RISA Comparative Computational Fluid Dynamics Study on Flamelet Generated Manifold and Steady Laminar Flamelet Modeling for Turbulent Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The laminar flamelet model (LFM) (Peters, 1986, “Laminar Diffusion Flamelet Models in NonPremixed Combustion,†Prog. Energy Combust. Sci., 10, pp. 319–339; Peters, “Laminar Flamelet Concepts in Turbulent Combustion,†...
Lower Dimensional Model for Modeling the Heat Transfer and Detailed Reactions Inside Long Channels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A methodology has been developed for coupling the one-dimensional (1D) solution of flow inside the nonpermeable channels with the 3D outer flow in shell and tube type of configurations. In the proposed reacting channel, ...
Numerical Investigation of Combustion Instabilities in a Single-Element Lean Direct Inject Combustor Using Flamelet Based Approaches
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, high-fidelity large eddy simulations (LES) along with flamelet-based combustion models are assessed to predict combustion dynamics in low-emission gas turbine combustor. A model configuration of a single-element ...
Stress-Blended Eddy Simulation/Flamelet Generated Manifold Simulation of Film-Cooled Surface Heat Transfer and Near-Wall Reaction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Accurate numerical prediction of surface heat transfer in the presence of film cooling within aero-engine sub-components, such as blade effusion holes and combustor liners, has long been a goal of the aero-engine industry. ...
Predicting NOx Emissions of a Lean Hydrogen Flame Using High and Low Order Computational Fluid Dynamics Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent efforts in numerical methods to study hydrogen combustion have allowed the development of affordable and reliable strategies that can reproduce the main structure of the flame. Although this objective represents a ...
Investigation of Single Jet Combustor Near Lean Blowout Conditions Using Flamelet Generated Manifold Combustion Model and Detailed Chemistry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical simulation results of a singlejet premixed combustion system at atmospheric pressure are compared against comprehensive particle image velocimetry (PIV) flow measurements and Raman scattering temperature measurements ...
Numerical Simulations of a Lifted Hydrogen Jet Flame Using Flamelet Generated Manifold Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A turbulent lifted H2/N2 jet flame in a vitiating coflow environment is numerically investigated, using the Flamelet generated manifold (FGM) combustion model with large eddy simulations (LES). Due to the hot vitiated ...