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Comparison of Monomethylhydrazine/Hydroxypropylcellulose and Hydrocarbon/Silica Gels

Arnold, R. and Santos, P. H. S. and deRidder, M. and Campanella, O. H. and Anderson, W. E. (2010) Comparison of Monomethylhydrazine/Hydroxypropylcellulose and Hydrocarbon/Silica Gels. 48th AIAA Aerospace Sciences Meeting, January 4th-7th, Orlando, FL.

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Experimental studies have been performed to investigate rheology and droplet burning with different types of gelled propellants. Monomethylhydrazine has been gelled with organic hydroxypropylcellulose. JP-8 and RP-1 hydrocarbon gels have been produced with inorganic fumed silica particles. Rheological characterization showed the differences in terms of viscosity and yield stress behavior due to different types of gelling agents. Herschel-Bulkley and Carreau-Yasuda models have been used to characterize the gels with inorganic and organic gelling agents, respectively. First experiments with the Monomethylhydrazine/hydroxypropylcellulose gels showed a typical swelling process during combustion with a flexible viscous droplet surface. Contrary to that, the hydrocarbon/silica gels burned while a rigid silica structure was built, which remained unburned. Burning drop measurements have been compared to the d^2-squared law.

Document Type:Conference or Workshop Item (Paper)
Title:Comparison of Monomethylhydrazine/Hydroxypropylcellulose and Hydrocarbon/Silica Gels
AuthorsInstitution or Email of Authors
Arnold, R.Purdue University
Santos, P. H. S.Purdue University
deRidder, M.Purdue University
Campanella, O. H.Purdue University
Anderson, W. E.Purdue University
Date:January 2010
Keywords:MMH, HPC, Hydrocarbon, Silica, Gel, Advanced propellants
Event Title:48th AIAA Aerospace Sciences Meeting
Event Location:Orlando, FL
Event Type:international Conference
Event Dates:January 4th-7th
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Antriebsystemtechnik - Antriebskonzepte (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion
Deposited By: Richard Arnold
Deposited On:14 Jan 2010 09:11
Last Modified:12 Dec 2013 20:51

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