ISSN:
1573-8310
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
,
Process Engineering, Biotechnology, Nutrition Technology
Notes:
Conclusions 1. The high-temperature properties of jet fuels may change during storage; the extent of these changes will vary widely, depending on the fuel composition and on the storage conditions. 2. The following general trends have been noted in the changes in the high-temperature properties of fuels during storage: The temperature at which insoluble products start to form rapidly is reduced by 10–20° C; there is a corresponding reduction in the limiting temperature for use in the engine, and the thermal stability in the high-temperature region (180° C) becomes poorer. As a rule, the thermal stability of a fuel decreases more rapidly in the initial storage period than in subsequent periods; in some cases, the thermal stability of a fuel will remain essentially unchanged after 3 years of storage. 3. The nature of the changes in the high-temperature properties of fuels depends on the fuel composition and type: T-1 fuels tend primarily to increase in tendency to form potential gum (oxidation at 150° C) and to become poorer in thermal stability. TS-1 fuels show primarily changes in corrosivity (at 120° C), largely because of mercaptan oxidation. 4. Changes in the high-temperature properties of straight-run fuels during storage are a consequence of oxidation of the most chemically active constituents and the related development of corrosion processes. The resulting products, present in the fuel in a soluble, colloidal, or suspended state, will separate rapidly from the fuel at elevated temperatures, in the form of sediment and deposits. The corrosive action of aggressive compounds also increases at elevated temperatures.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00714138
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