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TECHNICAL PAPERS: Gas Turbines: Aircraft Engine

A Proposal for Integration of Wind Tunnel and Engine Test Programs for the Evaluation of Airframe-Propulsion Compatibility Using Numerical Simulations

[+] Author and Article Information
M. Davis, W. Baker, G. Power, D. Beale

Severdrup Technology, Inc., Arnold Engineering Development Center, AEDC, Arnold Air Force Base, TN 37389-9013

J. Eng. Gas Turbines Power 124(3), 447-458 (Jun 19, 2002) (12 pages) doi:10.1115/1.1391279 History: Received October 01, 1998; Revised March 01, 1999; Online June 19, 2002
Copyright © 2002 by ASME
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References

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SAE Aerospace Information Report, AIR-1419, 1983, “Inlet Total-Pressure Distortion Considerations for Gas Turbine Engines,” May.
SAE Aerospace Recommended Practice, ARP-1420, 1978, “Gas Turbine Engine Inlet Flow Distortion Guidelines,” Mar.
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Figures

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Current inlet-engine integration test methodology
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ARP-1420 surge margin definition
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Typical distortion screen and corresponding distortion pattern
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Schematic of airjet distortion generator
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Simulation of time variant distortion with steady-state patterns
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Inlet flow distortions at high angle of attack on F/A 18A
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Mach number in an S-duct inlet
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Axial pressure distribution—S-duct
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Overall TEACC methodology
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Schematic of current process for inlet testing and analysis
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Schematic of proposed improved process for inlet testing and analysis
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Schematic of current process for engine testing and analysis
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Schematic of envision improved process for engine testing and analysis
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Schematic of envisioned integrated test and evaluation for engine-inlet analysis

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