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Odor intensity and characterization of jet exhaust and chemical analytical measurements

Author
Kendall, D. A.
Published
Mar 1, 1973.
Physical Description
1 electronic document
Additional Creators
Levins, P. L.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Odor and chemical analyses were carried out on the exhaust samples from a J-57 combustor can operated over a range of inlet conditions, and with several fuel types and nozzle modifications. The odor characteristics and total intensity of odor for each exhaust were determined over a range of dilutions to allow for a least squares determination of the intensity at 1,000 to 1 dilutions. Analytical measures included the concentration of total hydrocarbons and the concentrations of aromatic organic species and oxygenated organic species from collected samples which were taken concurrently. A correlation was found between the concentration of the odorous oxygenated fraction and the total intensity of aroma. Inlet operating conditions and nozzle modifications which increase the efficiency of combustion as measured by exhaust gas analyses reduce the odor intensity and the quantity of oxygenates in the exhaust. The type of fuel burned altered the intensity of odor in relation to the quantity of oxygenates produced and, in some instances, changed the odor character.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19730014366.
Accession ID: 73N23093.
NASA-CR-121159.
ADL-74443.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15749315