Commercial turbofan engine exhaust nozzle flow analyses using PAB3DRecent developments of a three-dimensional (PAB3D) code have paved the way for a computational investigation of complex aircraft aerodynamic components. The PAB3D code was developed for solving the simplified Reynolds Averaged Navier-Stokes equations in a three-dimensional multiblock/multizone structured mesh domain. The present analysis was applied to commercial turbofan exhaust flow systems. Solution sensitivity to grid density is presented. Laminar flow solutions were developed for all grids and two-equation k-epsilon solutions were developed for selected grids. Static pressure distributions, mass flow and thrust quantities were calculated for on-design engine operating conditions. Good agreement between predicted surface static pressures and experimental data was observed at different locations. Mass flow was predicted within 0.2 percent of experimental data. Thrust forces were typically within 0.4 percent of experimental data.
Document ID
19920062919
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Abdol-Hamid, Khaled S. (Analytical Services and Materials, Inc. Hampton, VA, United States)
Uenishi, K. (GE Aircraft Engines Cincinnati, OH, United States)
Carlson, John R. (NASA Langley Research Center Hampton, VA, United States)
Keith, B. D. (GE Aircraft Engines Cincinnati, OH, United States)