The influence of in situ reheat on turbine-combustor performance
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This paper presents a numerical and experimental investigation of the in situ reheat necessary for the development of a turbine-combustor. The flow and combustion are modeled by the Reynolds-averaged Navier-Stokes equations coupled with the species conservation equations. The chemistry model used herein is a two-step, global, finite rate combustion model for methane and combustion gases. A numerical simulation has been used to investigate the validity of the combustion model by comparing the numerical results against experimental data obtained for an isolated vane with fuel injection at its trailing edge. The numerical investigation has then been used to explore the unsteady transport phenomena in a four-stage turbine-combustor. In situ reheat simulations investigated the influence of various fuel injection parameters on power increase, airfoil temperature variation and turbine blade loading.
author list (cited authors)
Chambers, S., Flitan, H., Cizmas, P., Bachovchin, D., Lippert, T., & Little, D.
complete list of authors
Chambers, Steven||Flitan, Horia||Cizmas, Paul||Bachovchin, Dennis||Lippert, Thomas||Little, David