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TECHNICAL PAPERS: Gas Turbines: Combustion and Fuels

Liquid Fuel Placement and Mixing of Generic Aeroengine Premix Module at Different Operating Conditions

[+] Author and Article Information
J. Becker, C. Hassa

DLR–German Aerospace Center, Institute of Propulsion Technology, 51170 Cologne, Germany

J. Eng. Gas Turbines Power 125(4), 901-908 (Nov 18, 2003) (8 pages) doi:10.1115/1.1587741 History: Received December 01, 2001; Revised March 01, 2002; Online November 18, 2003
Copyright © 2003 by ASME
Topics: Fuels , Nozzles , Sprays , Air flow
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References

Figures

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Schematic of premix module (not to scale). White arrow indicates active fuel nozzle.
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Laser light sheet images at 6 bar
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Laser light sheet images at 12 bar
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Measured fuel flux (cm3/cm2⋅s) at tres=0.47 ms,q=3, left: 6 bar; right: 12 bar
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Measured SMD (μm) at tres=0.47 ms,q=3, left: 6 bar; right: 12 bar
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Radial profiles of mean velocity components at tres=0.27 ms, normalized with nominal total velocity
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Radial profiles of velocity fluctuation at tres=0.27 ms
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Radial profiles of turbulence length scale at tres=0.27 ms
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Fuel flux (cm3/cm2⋅s) at tres=0.47 ms,q=3, extrapolated to four fuel nozzles, left: 6 bar; right: 12 bar
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Fuel flux (cm3/cm2⋅s) at tres=0.47 ms,q=3, extrapolated to six fuel nozzles, left: 6 bar; right: 12 bar
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Fuel flux (cm3/cm2⋅s) at tres=0.47 ms,q=3, extrapolated to eight fuel nozzles, left: 6 bar; right: 12 bar

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