Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7343
Title: Quiet-flow Ludwieg tube for hypersonic transition research
Authors: Juliano, Thomas J.
Schneider, Steven P.
Aradağ, Selin
Knight, Doyle
Keywords: [No Keywords]
Issue Date: 2008
Publisher: Amer Inst Aeronaut Astronaut
Abstract: Nearly all hypersonic tunnels have turbulent nozzle-wall boundary layers that radiate acoustic noise, generating high freestream noise levels that are an order of magnitude above flight levels. A new Mach-6 quiet tunnel has been developed to provide quiet flow at high Reynolds number with low noise levels, comparable with flight. Laminar nozzle-wall boundary layers and the resulting quiet flow have now been achieved to high Reynolds numbers of 3.5 x 10(6)/ft (11 x 10(6)/m), after five years of shakedown. The Mach-6 quiet tunnel is the first operational hypersonic quiet tunnel with low operating costs and good optical access.
URI: https://doi.org/10.2514/1.34640
https://hdl.handle.net/20.500.11851/7343
ISSN: 0001-1452
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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