NDLI: Ignition and combustion characteristics of metallized propellants (Document No: 19930011042)

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Ignition and combustion characteristics of metallized propellants (Document No: 19930011042)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Turns, Stephen R. Mueller, D. C.
Copyright Year	1991
Description	Over the past six months, experimental investigations were continued and theoretical work on the secondary atomization process was begun. Final shakedown of the sizing/velocity measuring system was completed and the aluminum combustion detection system was modified and tested. Atomizer operation was improved to allow steady state operation over long periods of time for several slurries. To validate the theoretical modeling, work involving carbon slurry atomization and combustion was begun and qualitative observations were made. Simultaneous measurements of aluminum slurry droplet size distributions and detection of burning aluminum particles were performed at several axial locations above the burner. The principle theoretical effort was the application of a rigid shell formation model to aluminum slurries and an investigation of the effects of various parameters on the shell formation process. This shell formation model was extended to include the process leading up to droplet disruption, and previously developed analytical models were applied to yield theoretical aluminum agglomerate ignition and combustion times. The several theoretical times were compared with the experimental results.
File Size	1439861
Page Count	52
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930011042
Archival Resource Key	ark:/13960/t2w42nz8t
Language	English
Publisher Date	1991-06-01
Access Restriction	Open
Subject Keyword	Propellants And Fuels Size Distribution Aluminum Ignition Metal Combustion Agglomeration Burners Drop Size Propellant Combustion Drops Liquids Atomizers Propellant Additives Atomizing Metal Particles Metal Propellants Slurries Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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