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|Title:||Quiet-flow Ludwieg tube for hypersonic transition research||Authors:||Juliano, Thomas J.
Schneider, Steven P.
|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
|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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