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Effect of hydrocarbon fuel type on fuelA modified jet fuel thermal oxidation tester (JFTOT) procedure was used to evaluate deposit and sediment formation for four pure hydrocarbon fuels over the temperature range 150 to 450 C in 316-stainless-steel heater tubes. Fuel types were a normal alkane, an alkene, a naphthene, and an aromatic. Each fuel exhibited certain distinctive deposit and sediment formation characteristics. The effect of aluminum and 316-stainless-steel heater tube surfaces on deposit formation for the fuel n-decane over the same temperature range was investigated. Results showed that an aluminum surface had lower deposit formation rates at all temperatures investigated. By using a modified JFTOT procedure the thermal stability of four pure hydrocarbon fuels and two practical fuels (Jet A and home heating oil no. 2) was rated on the basis of their breakpoint temperatures. Results indicate that this method could be used to rate thermal stability for a series of fuels.
Document ID
19820020584
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Wong, E. L. (NASA Lewis Research Center Cleveland, OH, United States)
Bittker, D. A. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
June 1, 1982
Subject Category
Propellants And Fuels
Report/Patent Number
NAS 1.15:82916
NASA-TM-82916
E-1073
Accession Number
82N28460
Funding Number(s)
PROJECT: RTOP 505-32-72
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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