SAE TECHNICAL PAPERS SERIES Advanced Propulsion Technology Influence on Multi-Role Fighter System Requirements Keith L Irwin, Phillip R. Viars, and Don W. Elliott CE Aircraft Engines The Engineering Society Advancing Mobility Sea air and spacem 1991 SAE Aerospace Atlantic Dayton, Ohio April 22-26,1991 400 COMMONWEALTH DRIVE, WARRENDALE, PA 15096-0001 U.S.A. W723PG Downloaded from SAE International by Purdue University, Tuesday, August 21, 2018The appearance of the ISSN code at the bottom of this page indicates SAE's consent that copies of the paper may be made for personal or internal use of specific clients. Thisconsent isgiven on thecondition, however, thatthecopier pay a$5.00 per article copy fee through the Copyright Clearance Center, Inc. Operations Center, 27 Congress St., Salem, MA 01 970 for copying beyond that permitted by Sections 107 or 108 of the U.S. Copyright Law. This consent does not extend to other kinds of copying such as copying for general distribution, for advertising or promotional purposes, for creating new collective works, or for resale. SAE routinely stocks printed papers for a period of three years following date of publication. Direct your orders to SAE Customer Service Department. To obtain quantity reprint rates, permission to reprint a technical paper or permission to use copyrighted SAE publications in other works, contact the SAE Publications Group. 6 Global Mobility 1mhbcrSe" All SAEpawn slandams and serecfw &W&S are aOstractea and mdexea In the SAE GloDar MoLulrty Database No part of this publication may by reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. ISSN 0148-7191 Copyright 1991 Society of Automotive Engineers, Inc. Positions and opinions advanced in this paper are those of the author(s) and not necessarily those of SAE. The author is solely responsible for the content of the paper. A process is available by which discussions will be printed with the paper if it is published in SAE transactions. For permission to publish this paper in full or in part, contact the SAE Publications Division. Persons wishing to submit papers to be considered for presentation or publication through SAE should send the manuscript or a 300 word abstract of a proposed manuscript to: Secretary, Engineering Activity Board, SAE. Printed in USA 90-1x13~~ Downloaded from SAE International by Purdue University, Tuesday, August 21, 2018ADVANCED PROPULSION TECHNOLOGY INFLUENCE ON ADVANCED MULTI-MISSION FIGHTER SYSTEM REQUIREMENTS * Keith L. Irwin , Project Engineer, Donald W. Elliott , GEAE, Cincinr 0. Abstract The next major aircraft program currently enter- ing the study phase is to be a multi-mission fighter which would compliment the ATF and replace the F-16. The initial operational capability (IOC) of this air- craft will enable it to benefit from the propulsion technology advances of the Integrated High Perfor- mance Engine Technology (IHPTET) initiative. Past studies have shown that in order to achieve the opti- mum performance from these new advanced cores the engine cycle (specifically the fan pressure ratio) must be tailored to the aircraft mission and perfor- mance requirements. The missions and requirements to define this ad- vanced fighter are currently in the embryonic stage. Even though the requirements are undefined, the engine company can evaluate a matrix of engine cycles in a notional airframe over a range of mission and performance levels. This effort can provide insight into the range of advanced engine cycles that might be required to optimize the future weapon system. This assessment can also provide a database to aid future aircraft designers, engine designers, and sur- vivability analysts in their studies to recmnd more specific requirements for this advanced multi-mission fighter. The focus of this paper is twofold. First, to present an ap