Entropy noise: experimental and numerical investigation in turbomachinery

Thesis

Entropy noise is a type of combustion noise produced by the acceleration of entropy inhomogeneities in a fluid, and is typically produced in aeroengines when flow at the outlet from a combustor is accelerated in high pressure turbines. The entropy inhomogeneities arise from unsteady burning of the combustor flame and cooling introduced through the endwalls. To date there have only been limited attempts to experimentally study entropy noise generation. Some analytical and numerical contribu...

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Authors: Ron, E

• DOI: 10.5287/ora-zvy1oq8xp
• Type of award: DPhil
• Level of award: Doctoral
• Awarding institution: University of Oxford