Aerodynamic Performance of a Scale-Model, Counterrotating Unducted Fan

[+] Author and Article Information
T. J. Sullivan

General Electric Company, Aircraft Engine Business Group, Cincinnati, OH 45215

J. Turbomach 112(4), 579-586 (Oct 01, 1990) (8 pages) doi:10.1115/1.2927696 History: Received April 01, 1989; Online June 09, 2008


The aerodynamic performance of a scale-model, counterrotating unducted fan has been determined and the results are discussed herein. Experimental investigations were conducted using the scale-model propulsor simulator and uniquely shaped fan blades designed by the General Electric Company under contract to NASA. The blades, designed for a high disk loading at Mach 0.72, 35,000 ft altitude max climb condition, are aft-mounted on the simulator in a “pusher” configuration. Data are compared with analytical predictions at the design point and show good agreement.

Copyright © 1990 by The American Society of Mechanical Engineers
Topics: Design , Disks , Blades
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