This study was undertaken to determine the vapor pressure characteristics of M85 fuel, a mixture of 85 percent methanol and 15 percent gasoline or other hydrocarbons. For M85 fuels made with full-boiling-range gasolines, the vapor pressure of the M85 fuel at 37.8 Cel in creased linearly with an increase in the vapor pressure of the gasoline. A different linear relationship was obtained for M85 fuels made with pure hydrocarbons rather than with gasolines. The vapor pressure of an M85 fuel was high when the hydrocarbon component was a pure hydrocarbon or simple hydrocarbon mixture rather than a gasoline of the same vapor pressure. Vapor pressure vs. temperature characteristics were measured for a number of M85 fuels and the hydrocarbons from which they were made. In most cases, a change in temperature caused a greater change in the vapor pressure of the M85 fuel than in the vapor pressure of the hydrocarbon component of the M85.
Vapor pressure characteristics of M85 methanol fuels
Dampfdruckcharakteristiken von M85 Methanol-Kraftstoffen
SAE-Papers ; 1-13
1991
13 Seiten, 10 Bilder, 5 Tabellen, 19 Quellen
Aufsatz (Konferenz)
Englisch
Vapor Pressure Characteristics of M85 Methanol Fuels
SAE Technical Papers | 1991
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