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Measurements of gas turbine combustor and engine augmentor tube sooting characteristics

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Author
Young, Mark F
Grafton, Thomas A
Conner, H
Netzer, David W
Date
1988-07
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Abstract
An experimental investigation was conducted to determine the changes in soot mean diameter across the combustor and exhaust nozzle of a T63 gas turbine engine, and across an exhaust augmentor tube. D32 within the combustor varied between 0.16 and 0.25 microns, depending upon fuel composition. Data correlation was most successful in this location using an index of refraction of 1.95 -0.66i with sigma = 1.5. In the aft can location (ahead of the exhaust nozzle) D32 was between 0.35 and 0.45 microns, depending upon the fuel-air ratio. Increasing fuel-air ratios decreased D32, also in agreement with the results presented in reference 1. Using NAPC 9 high aromatic fuel, D32 increased across the exhaust nozzle (0.35 to 1.2 microns) and across the augmentor tube (1.2 to 1.5 = 1.9 microns). Malvern data were in good agreement with the results obtained using larger scattering angles. Keywords: Optical sizing of soot
 
Gas turbine combustors
 
Exhaust augmentor tubes. (JES)
 
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
URI
http://hdl.handle.net/10945/29384
NPS Report Number
NPS-67-88-002
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    Gas turbine combustor and engine augmentor tube sooting characteristics 

    Bennett, J. S.; Jway, Ching Hua; Urich, Dave J.; Netzer, David W. (Monterey, California. Naval Postgraduate School, 1986-12); NPS67-86-004
    An experimental investigation was conducted to investigate the effects of smoke-suppressant fuel additives, fuel composition and combustor operating environment on the soot characteristics within the combustor and across ...
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    Measurements of gas turbine combustor and engine augmentor tube sooting characteristics. 

    Grafton, Thomas A., III (1987);
    A methodical investigation was conducted to examine soot particle sizing techniques and data acquisition apparatus so as to better understand soot particle properties in and immediately aft of a typical gas turbine combustor. ...
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    An experimental investigation of soot behavior in a gas turbine combustor 

    Krug, Andrew Clarence (Monterey, California. Naval Postgraduate School, 1983-06);
    A full scale gas turbine combustor test facility was designed, constructed, and initially operated to determine the performance of a gas turbine combustor and the associated combustion diagnostic apparatus. The test cell ...
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