Ignition Delay Correlations for Neat Ethanol and Ethanol-DF2 Blends in a D.I. Diesel Engine

Format:

Conference/Event

Author/Creator:

Saeed, Mohamed N., author.

Conference Name:

1984 SAE International Fall Fuels and Lubricants Meeting and Exhibition (1984-10-08 : Baltimore, Maryland, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1984

Summary:

A study was conducted on a direct-injection, single-cylinder, research-type diesel engine to determine the effect of adding ethanol to diesel fuel on the ignition delay period. The tests covered the whole range of ethanol-DF2 blends: from 100% ethanol to 100% DF2. The test parameters were: the ethanol content, the intake-air properties, and the equivalence ratio. The ignition delay was measured by detecting the beginning of injection and the occurrence of a detectable pressure rise. The present results show that, for ethanol-DF2 blends, the pressure-rise delay decreases by increasing both the intake-air pressure and the intake-air temperature, and increases by increasing the ethanol content in the blend. Ignition delay correlations were developed in terms of air temperature, air pressure, and ethanol volumetric fraction. The global activation energy was determined and correlated with the cetane number for each blend

Notes:

Vendor supplied data

Publisher Number:

841343

Access Restriction:

Restricted for use by site license