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Gas turbine combustor and engine augmentor tube sooting characteristics

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Author
Bennett, J. S.
Jway, Ching Hua
Urich, Dave J.
Netzer, David W.
Date
1986-12
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Abstract
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 an engine exhaust augmentor tube. A T63 combustor was used with fuel additive pumps and an exhaust augmentor tube. Soot mean diameters and concentrations were measured at two locations within the combustor and at the exhaust of the augmentor tube using three-wavelength light transmission and multiple-angle forward scattering measurements and collection probes. Fuel and air flow rates were varied and combustor inlet air temperature was varied using a hydrogen-fueled vitiated air heater. Combustor flow conditions were found to significantly change soot characteristics as well as the effects of smoke- suppressant fuel additives. D32(volume-to-surface mean diameter) varied between 0.10 and 0.30 microns within the combustor. D32 increased significantly across the engine augmentor tube, to sizes as large as 0.43 microns
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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
https://hdl.handle.net/10945/29892
NPS Report Number
NPS67-86-004
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Related items

Showing items related by title, author, creator and subject.

  • Thumbnail

    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. ...
  • Thumbnail

    An experimental investigation of sooting characteristics of a gas turbine combustor and augmentor tube. 

    Lindsay, Richard Howard (1988-09);
    An experimental investigation was conducted to examine the effects of fuel-air ratio, fuel additives, fuel composition and inlet air temperature on particle sizes in a gas turbine combustor and augmentor tube. Equipment ...
  • Thumbnail

    Measurements of gas turbine combustor and engine augmentor tube sooting characteristics 

    Young, Mark F; Grafton, Thomas A; Conner, H; Netzer, David W (Monterey, California. Naval Postgraduate School, 1988-07); NPS-67-88-002
    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 ...
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