Simulation of mixing in the quick quench region of a rich burn-quick quench mix-lean burn combustorA computer program was developed to study the mixing process in the quick quench region of a rich burn-quick quench mix-lean burn combustor. The computer program developed was based on the density-weighted, ensemble-averaged conservation equations of mass, momentum (full compressible Navier-Stokes), total energy, and species, closed by a k-epsilon turbulence model with wall functions. The combustion process was modeled by a two-step global reaction mechanism, and NO(x) formation was modeled by the Zeldovich mechanism. The formulation employed in the computer program and the essence of the numerical method of solution are described. Some results obtained for nonreacting and reacting flows with different main-flow to dilution-jet momentum flux ratios are also presented.
Document ID
19910036858
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Shih, Tom I.-P. (Carnegie-Mellon University Pittsburgh, PA, United States)
Nguyen, H. Lee (NASA Lewis Research Center Cleveland, OH, United States)
Howe, Gregory W. (Carnegie-Mellon Univ. Pittsburgh, PA, United States)
Li, Z. (Carnegie-Mellon Univ. Pittsburgh, PA, United States)