Methanol is being considered as a fuel for mobile applications because of its exhaust emissions reduction potential. In addition, since methanol can be produced from natural gas, coal, and biomass, it is an alternative to the limited availability of petroleum-based fuels. Although methanol could be produced in large quantities, production and distribution infrastructure do not currently exist. Therefore, engine manufacturers are reluctant to manufacture special engines for which the fuel may not be available, and methanol suppliers are unwilling to provide large quantities of methanol for which there is no market. Light-duty spark-ignited, (SI) Otto cycle, engine manufacturers are addressing this dilemma by developing 'flexible fueled' engines which use a fuel sensor and controls to permit operation on gasoline or methanol, or mixtures of the two. These engines could operation gasoline until methanol becomes available. In such Otto cycle engines, modifications to account for differences in gasoline-methanol ignition characteristics and volumetric energy content are made by electronically adjusting spark timing and carburetor fuel-air ratio.
Heavy duty flexible fuel engine feasibility
Möglichkeit der Anwendung flexibler Kraftstoffe in schweren Dieselmotoren
1993
11 Seiten, 24 Bilder
Aufsatz (Konferenz)
Englisch
Benzin , Methanol , Mehrstoffmotor , Otto-Motor , Gemisch , Zündeinstellung , Dieselöl , Dieselmotor , Sensor , Hochleistung
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