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Flush Air Data System Modeling Using DOE-Based Wind-Tunnel Test

Flush Air Data System Modeling Using DOE-Based Wind-Tunnel Test This paper proposes a procedure to design a flush air data system (FADS) for a stealth aircraft using wind tunnel testing based on the design of experiments (DoE) technique. The FADS of an aircraft reduces its radar cross-section (RCS) by preventing protrusion to its outer mold line (OML). The system acquires air data (e.g., altitude, airspeed, aerodynamic angles) by pressure measurements at multiple static holes. The wind tunnel testing is composed of two steps: the screening test for selecting influential factors and the database test for model construction. The 5-hole probe algorithm is used to predict the aerodynamic data out of pressure measurements. The FADS configuration design/optimization case study (pressure hole selection) is conducted. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Aeronautical and Space Sciences Springer Journals

Flush Air Data System Modeling Using DOE-Based Wind-Tunnel Test

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References (48)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to The Korean Society for Aeronautical & Space Sciences 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
2093-274X
eISSN
2093-2480
DOI
10.1007/s42405-022-00549-1
Publisher site
See Article on Publisher Site

Abstract

This paper proposes a procedure to design a flush air data system (FADS) for a stealth aircraft using wind tunnel testing based on the design of experiments (DoE) technique. The FADS of an aircraft reduces its radar cross-section (RCS) by preventing protrusion to its outer mold line (OML). The system acquires air data (e.g., altitude, airspeed, aerodynamic angles) by pressure measurements at multiple static holes. The wind tunnel testing is composed of two steps: the screening test for selecting influential factors and the database test for model construction. The 5-hole probe algorithm is used to predict the aerodynamic data out of pressure measurements. The FADS configuration design/optimization case study (pressure hole selection) is conducted.

Journal

International Journal of Aeronautical and Space SciencesSpringer Journals

Published: Apr 1, 2023

Keywords: Flush air data system (FADS); Design of experiments (DoE); Stealth aircraft; Five-hole probe

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