Transverse Mode Dynamics in a Lean-premixed Multislit Hydrogen Combustor

Abstract

Decarbonization of power grid targeting the reduction of greenhouse gas has elicited the necessity of pure hydrogen combustion in gas turbines. The present study introduces the multislit hydrogen injector to characterize high-frequency transverse instabilities. Detailed examination of the self-excited instability data reveals that the triggering of instabilities depends on constituent slit components and the rotational symmetry in the slit pattern.