A Comparison of the Measured and Predicted Flow Field in a Modern Fan-Bypass Configuration

[+] Author and Article Information
R. K. Goyal

Allison Turbine Division, General Motors Corporation, Indianapolis, IN 46206-0420

W. N. Dawes

Whittle Laboratory, University Engineering Department, Cambridge, United Kingdom

J. Turbomach 115(2), 273-282 (Apr 01, 1993) (10 pages) doi:10.1115/1.2929233 History: Received February 27, 1992; Online June 09, 2008


A three-dimensional viscous Navier–Stokes flow solver was used to predict core and bypass rotor performance and radial flow characteristics of a 4.6:1 bypass ratio, single-stage fan. The three-dimensional flow solver can handle several blade rows simultaneously and has the capability to include a downstream splitter. Results of the analysis are compared with experimental data obtained during rig testing of a modern high bypass single-stage turbofan in which rotor performance for both bypass and core streams was measured.

Copyright © 1993 by The American Society of Mechanical Engineers
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