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RESEARCH PAPERS

A Gas Path Performance Diagnostic System to Reduce J75-P-17 Engine Overhaul Costs

[+] Author and Article Information
G. R. Lazalier, J. O. Jacox

Technology Applications Branch, Engine Test Facility, ARO, Inc., AEDC Division, A Sverdrup Corp. Company, Arnold Air Force Station, Tenn.

E. C. Reynolds

Engine Test Branch, Propulsion Division, Directorate of Maintenance, Oklahoma City Air Logistics Center; ARO, Inc., AEDC Division, A Sverdrup Corp. Company, Arnold Air Force Station, Tenn.

J. Eng. Power 100(4), 691-696 (Oct 01, 1978) (6 pages) doi:10.1115/1.3446422 History: Received December 22, 1977; Online July 14, 2010

Abstract

The objective of this program was to develop a performance diagnostic system to analyse gas path performance and to recommend economical component replacement and/or modifications to minimize overhaul costs by increasing post-overhaul acceptance rates at the Oklahoma City Air Logistics Center (OCALC). The diagnostic system utilizes a computer simulation of the J75-P-17 engine which was developed using experimental data from five J75-P-17 engine builds tested at the AEDC. The computer simulation is the heart of the diagnostic system and provides performance partial derivatives to aid in evaluating changes in component behavior. Implementation of the diagnostic system at the OCALC is in progress.

Copyright © 1978 by ASME
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