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Book synopsis

Research was conducted on a novel combustor design using a highly centrifugal loaded circumferential cavity to enhance flame speeds and lower mixing time to lower overall combustion time achieving improved efficiency and stability. This Ultra-Compact Combustor (UCC) is fed air with a bulk swirl, resembling gas leaving acompressor without the final set of compressor guide vanes to straighten the flow, athigher than normal Mach numbers for a combustor. The larger Mach numbers in the combustor do not cause a total pressure loss in excess of what Rayleigh theory woulddictate for the given heat addition taking place within the combustor. Tests were conducted on the UCC with a clockwise or counter-clockwise swirldirection in the circumferential cavity using JP-8 and natural gas derived Fischer-Tropschsynthetic jet fuel with each direction. The results for lean blow out stability, combustion efficiency, and emissions proved the best configuration uses counter-clockwise swirl. The two fuels performed equally with no noticeable differences between JP-8 and the synthetic Fischer-Tropsch fuel.

Book details

Book category Books in English Society & social sciences Education

• Full title: Efficiency and Pressure Loss Characteristics of an Ultra-Compact Combustor with Bulk Swirl
• Author: James T Radtke
• Language: English
• Binding: Paperback
• Number of pages: 148
• EAN: 9781288331956
• ISBN: 9781288331956
• ID: 08244196
• Publisher: Biblioscholar
• Weight: 277 g
• Dimensions: 246 × 189 × 8 mm
• Date of publishing: 01. November 2012

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