Ceramic Matrix Composite Applications in Advanced Liquid Fuel Rocket Engine Turbomachinery

[+] Author and Article Information
J. W. Brockmeyer

Rocketdyne Division, Rockwell International Corporation, Canoga Park, CA 91303

J. Eng. Gas Turbines Power 115(1), 58-63 (Jan 01, 1993) (6 pages) doi:10.1115/1.2906686 History: Received February 28, 1992; Online April 24, 2008


Hot gas path components of current generation, liquid fuel rocket engine turbopumps (T/P) are exposed to severe thermal shock, extremely high heat fluxes, corrosive atmospheres, and erosive flows. These conditions, combined with high operating stresses, are severely degrading to conventional materials. Advanced turbomachinery (T/M) applications will impose harsher demands on the turbine materials. These demands include higher turbine inlet temperature for improved performance and efficiency, lower density for improved thrust-to-weight ratio, and longer life for reduced maintenance of re-usable engines. Conventional materials are not expected to meet these demands, and fiber-reinforced ceramic matrix composites (FRCMC) have been identified as candidate materials for these applications. This paper summarizes rocket engine T/M needs, reviews the properties and capabilities of FRCMC, identifies candidate FRCMC materials and assesses their potential benefits, and summarizes the status of FRCMC component development with respect to advanced liquid fuel rocket engine T/M applications.

Copyright © 1993 by The American Society of Mechanical Engineers
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