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An investigation of the effectiveness of smoke suppressant fuel additives for turbojet applications

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Author
Bramer, John Robert
Date
1982-92
Advisor
Netzer, David W.
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Abstract
Seven fuel additives were tested to investigate their effectiveness at reducing exhaust stack gas opacity in a turbojet test cell. Exhaust particle sizes and mass concentrations were determined at the engine and stack exhausts using measurements of light transmittance at three frequencies. Particle samples were also collected at the engine exhaust and measured with a scanning electron microscope to verify the optical technique. Nitrous oxide emissions were measured at the test cell stack exhaust. Four of the additives tested were found effective at reducing stack exhaust opacity and particulate mass concentration. None of the additives had any measurable effect on particle diameters. No meaningful changes in particle size or mass occurred between the engine and stack exhausts. The optical technique for determining particle size was verified effective using the scanning electron microscope. No additive had any significant effect on nitrous oxide production.
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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
http://hdl.handle.net/10945/20234
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  • 1. Thesis and Dissertation Collection, all items

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    An investigation of the effects of smoke suppressant fuel additives on engine and test cell exhaust gas opacities 

    Thornburg, Donald W; Darnell, Thomas R; Netzer, David Willis (Monterey, California. Naval Postgraduate School, 1982-05); NPS-67-82-004
    Tests were conducted in a one-eighth scale turbojet test cell with a ramjet type combustor to investigate the effects of fuel additives on smoke reduction. Particle size and mass concentrations were determined at the engine ...
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    Passive regeneration: long-term effects on ash characteristics and diesel particulate filter performance 

    Bahr, Michael J. (Monterey California. Naval Postgraduate School, 2013-06);
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    Effects of fuel additives on plume opacity of a sub-scale turbojet test cell with a ramjet type dump-combustor 

    Darnell, Thomas Richard (Naval Postgraduate School, 1979-12);
    An initial investigation was conducted into the effects of metallic based fuel additives on smoke reduction in turbo-jet test cells. Experiments were conducted on a one-eighth scale turbojet test cell with a ramjet type ...
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