An Experimental Study of Rectilinear Jet-Flap Cascades

[+] Author and Article Information
T. J. Landsberg, E. Krasnoff

Ingersoll-Rand Research, Inc., Princeton, N. J.

J. Basic Eng 94(1), 97-104 (Mar 01, 1972) (8 pages) doi:10.1115/1.3425399 History: Received February 02, 1971; Online October 27, 2010


The performance of two-dimensional jet-flap cascades is determined experimentally. Stream deflection angles are presented as a function of the ratio of jet to mainstream momentum flux at chord spacing ratios of 0.375 and 0.75. Results obtained with conventional jet-flap airfoils (normal blowing near trailing edge) are in good agreement with published theoretical results. Tangential blowing jet-flap airfoils (tangential blowing over a rounded trailing edge) are shown to approximately double the turning effectiveness of the cascade.

Copyright © 1972 by ASME
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