Effect of hydrogen injection on the stability of non‐premixed methane/air flame in a gas turbine combustor

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Hydrogen injection enhances the flammability limit, leading to flame stability issues.
Flashback and combustion instabilities arise due to increased flame speed and laminar flame velocity.
Scale Adaptive Simulations coupled with Flamelet Generated Manifold models were used for analysis.
Efficient control of hydrogen injection rates is vital for robust hydrocarbon fuel combustion.

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Observational analysis reveals that hydrogen injection increases flame speed in gas turbines, suggesting careful control of injection rates.

A 2025 study studied this question.

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Observational analysis reveals that hydrogen injection increases flame speed in gas turbines, suggesting careful control of injection rates.