Unsteadiness of the Port Feed and Jet Flows Within a Gas Turbine Combustion System

[+] Author and Article Information
N. J. Hughes, J. F. Carrotte

Rolls-Royce UTC in Combustor Aerodynamics, Dept of Aeronautical and Automotive Engineering, Loughborough University, Loughborough, U.K.

J. Fluids Eng 126(1), 55-62 (Feb 19, 2004) (8 pages) doi:10.1115/1.1637629 History: Received September 16, 2002; Revised September 16, 2003; Online February 19, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
Feed annulus and port flow profiles: a) (X/D=−0.27); b) (X/D=0.00)
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Port exit plane mean velocity contours and vectors (Griffiths 4)
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Feed annulus time dependent characteristics: a) frequency spectra; b) autocorrelation functions
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Feed annulus and jet flow frequency spectra
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Instantaneous probability density function in jet leading edge region
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Cross correlation locations
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Cross correlation of 2 fluctuating velocity signals
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Time averaged profiles in the port leading edge region
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Cross correlation of feed annulus and jet leading edge velocities
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Cross correlation of feed annulus and jet core regions
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LDA based time averaged streamlines
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Flame tube primary jet flow field
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Feed annulus and flame tube cross correlations



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