C
Christopher J. Bahr
Researcher at Langley Research Center
Publications - 52
Citations - 986
Christopher J. Bahr is an academic researcher from Langley Research Center. The author has contributed to research in topics: Noise & Microphone. The author has an hindex of 16, co-authored 49 publications receiving 749 citations. Previous affiliations of Christopher J. Bahr include University of Florida.
Papers
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Journal ArticleDOI
A review of acoustic imaging methods using phased microphone arrays
Roberto Merino-Martínez,Pieter Sijtsma,Mirjam Snellen,Thomas Ahlefeldt,Jérôme Antoni,Christopher J. Bahr,D. Blacodon,Daniel Ernst,A. Finez,S. Funke,Thomas F. Geyer,Stefan Haxter,Gert Herold,Xun Huang,William M. Humphreys,Quentin Leclere,A.M.N. Malgoezar,Ulf Michel,Thomas Padois,A. Pereira,Christophe Picard,Ennes Sarradj,Henri Siller,Dick G. Simons,Carsten Spehr +24 more
TL;DR: This paper provides a review of the most well-known and state-of-the-art acoustic imaging methods and recommendations on when to use them, as well as a broad overview for general aeroacoustic experts.
Reference EntryDOI
Fundamentals of Wind-Tunnel Design
TL;DR: In this paper, the fundamentals of low-speed wind tunnel design are discussed, as well as the specific measurement requirements and the various space, budget, and power constraints that guide the tunnel design.
Proceedings ArticleDOI
A Microphone Array Method Benchmarking Exercise using Synthesized Input Data
Proceedings ArticleDOI
Design, Fabrication, and Characterization of an Anechoic Wind Tunnel Facility
TL;DR: In this article, the design, fabrication, and preliminary characterization of an anechoic wind tunnel facility at the University of Florida is presented, which is used for airframe noise analysis.
Proceedings ArticleDOI
A Comparison of Microphone Phased Array MethodsApplied to the Study of Airframe Noise in WindTunnel Testing
Christopher J. Bahr,William M. Humphreys,Daniel Ernst,Thomas Ahlefeldt,Carsten Spehr,Antonio Pereira,Quentin Leclere,Christophe Picard,Ric Porteous,Oanielle Moreau,Jeoffrey Fischer,Con J. Doolan +11 more
TL;DR: Results show that with appropriate handling of background noise, all advanced methods can identify dominant acoustic sources for a broad range of frequencies, and there is no obvious best method, though multiple methods may be used to bound expected behavior.