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RISFlame Transfer Functions and Dynamics of a Closely Confined Premixed Bluff Body Stabilized Flame With Swirl
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flame transfer function (FTF) and flame dynamics of a highly swirled, closely confined, premixed flame is studied over a wide range of equivalence ratios and bulk velocities at a fixed perturbation level at the dump ...
Lean Blow-Off Behaviour of Premixed Bluff-Body Stabilized Hydrocarbon-Air Flames and Ammonia/Hydrogen/Nitrogen-Air Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The lean blow-off (LBO) behavior of turbulent premixed bluff-body stabilized hydrocarbon flames and ammonia/hydrogen/nitrogen flame was investigated and compared both experimentally and numerically. Simultaneous high-speed ...
The Structure and Stability of Premixed CH4, H2, and NH3/H2 Flames in an Axially Staged Can Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation of flame structure, stability, and emissions performance was conducted in a two-stage lab-scale generic combustor design operated with CH4, H2, and NH3/H2 fuel blends. The main flame zone ...
The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flame transfer function (FTF) has been experimentally investigated for a premixed, turbulent and highly swirled flame in rectangular enclosures with varying aspect ratio. A range of equivalence ratios and inlet bulk ...
Acoustic-Convective Interference in Transfer Functions of Methane/Hydrogen and Pure Hydrogen Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We investigate the occurrence and source of modulations in the gain and phase of flame transfer functions (FTF) measured in perfectly premixed, bluff body stabilized CH4/H2 and pure H2 flames. The modulations are shown to ...