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dc.contributor.advisorBrophy, Christopher
dc.contributor.authorFahlenkamp, Keith B.
dc.date.accessioned2012-03-14T17:45:03Z
dc.date.available2012-03-14T17:45:03Z
dc.date.issued2010-06
dc.identifier.urihttp://hdl.handle.net/10945/5319
dc.descriptionApproved for public release; distribution is unlimiteden_US
dc.description.abstractAdding appropriate amounts of aluminum to solid rocket propellant improves energy performance by increasing both the specific impulse and propellant energy density. However, as the propellant combusts, the aluminum is oxidized into alumina (Al2O3) which tends to agglomerate into relatively large molten droplets under the right flow conditions, and may cause significant two-phase flow losses, potentially catastrophic nozzle erosion, and a potentially increased burn rate as a result of erosive burning. Significant research has been conducted regarding agglomerate formation at the propellant surface and agglomerate impact on nozzle erosion, but little is known about agglomerate behavior within high aspect ratio regions of advanced propellant grain designs and how this behavior affects flow through the combustion chamber and impacts erosive burning. An experiment was designed to image agglomerate behavior within these regions. The experimental method was validated using an inert calibration grain containing known alumina particulates. The primary goal of this thesis was to establish a working experimental setup and method that can be used to evaluate agglomerate flow for actual propellant samples.en_US
dc.description.urihttp://archive.org/details/directobservatio109455319
dc.format.extentxviii, 89 p.: col. ill. ;en_US
dc.publisherMonterey, California. Naval Postgraduate Schoolen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, may not be copyrighted.en_US
dc.subject.lcshSolid propellant rocketsen_US
dc.subject.lcshLasersen_US
dc.subject.lcshAluminumen_US
dc.subject.lcshMetallurgyen_US
dc.titleDirect observation of two phase flow generated by an alumina seeded grain in high aspect ratio channelsen_US
dc.typeThesisen_US
dc.contributor.secondreaderGannon, Anthony
dc.contributor.corporateNaval Postgraduate School (U.S.)
dc.description.serviceUS Navy (USN) authoren_US
dc.identifier.oclc648154073
etd.verifiednoen_US


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