Hydrogen/Methane Reheat Combustion
Detailed-chemistry DNS of hydrogen/methane flames at reheat gas-turbine conditions, and a high-order dimensionality-reduction method.
To support the transition to carbon-neutral fuels in gas turbines, my Masters research studied high-pressure hydrogen/methane wrinkled laminar flames at reheat (sequential gas-turbine) conditions.
Using the massively parallel S3D solver with CHEMKIN/TRANSPORT and reduced San Diego mechanisms, I performed detailed-chemistry DNS and used chemical explosive mode analysis (CEMA) to quantify the split between spontaneous-ignition and flame-propagation fuel consumption as a function of pressure and hydrogen fraction.
I also co-developed co-kurtosis PCA (CoK-PCA), a high-order-moment dimensionality-reduction method that identifies stiff, extreme-valued chemical dynamics — such as ignition kernels — more accurately than standard PCA.