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Ignition delays, heats of combustion, and reaction rates of aluminum alkyl derivatives used as ignition and combustion enhancers for supersonic combustorsThe work was based on adapting an apparatus and procedure developed at Southwest Research Institute for rating the ignition quality of fuels for diesel engines. Aluminum alkyls and various Lewis-base adducts of these materials, both neat and mixed 50/50 with pure JP-10 hydrocarbon, were injected into the combustion bomb using a high-pressure injection system. The bomb was pre-charged with air that was set at various initial temperatures and pressures for constant oxygen density. The ignition delay times were determined for the test materials at these different initial conditions. The data are presented in absolute terms as well as comparisons with the parent alkyls. The relative heats of reaction of the various test materials were estimated based on a computation of the heat release, using the pressure data recorded during combustion in the bomb. In addition, the global reaction rates for each material were compared at a selected tmperature and pressure.
Document ID
19920066510
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ryan, T. W., III
(NASA Langley Research Center Hampton, VA, United States)
Harlowe, W. W.
(NASA Langley Research Center Hampton, VA, United States)
Schwab, S.
(Southwest Research Institute San Antonio, TX, United States)
Date Acquired
August 15, 2013
Publication Date
July 1, 1992
Subject Category
Propellants And Fuels
Report/Patent Number
AIAA PAPER 92-3841
Accession Number
92A49134
Distribution Limits
Public
Copyright
Other

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