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Author Gardiner, D.

Title An experimental and modeling study of the flammability of fuel tank headspace vapors from high ethanol content fuels [electronic resource] / D. Gardiner, M. Bardon, and G. Pucher.

Imprint Golden, Colo. : National Renewable Energy Laboratory, [2008]

Copies

Location Call No. OPAC Message Status
 Axe Federal Documents Online  E 9.18:NREL/SR-540-44040    ---  Available
Description viii, 50 p. : digital, PDF file
Series Subcontract report ; NREL/SR-540-44040
NREL/SR ; 540-44040.
System Details Mode of access: Internet from the NREL web site. Address as of 3/4/09: http://www.nrel.gov/docs/fy09osti/44040.pdf; current access available via PURL.
Note Title from title screen (viewed on Mar. 4, 2009).
"October 2008."
Summary An experimental and modeling study was done to determine the flammability of fuel tank headspace vapors as a function of ambient temperature for seven E85 (85% ethanol, 15% gasoline) fuel blends, two types of gasoline, and denatured ethanol at a low tank fill level. Samples in small, closed chambers were tested simultaneously in a cold chamber to determine flammability and pressure rise when ignited by a strong electric spark. Gasoline and E85 fuels were flammable below a critical temperature; above it, the vapor was too rich to burn. Denatured ethanol was flammable at room temperature and colder, down to a critical temperature; below it, the vapor was too lean to burn. The flammability limit temperature of the E85 and gasoline fuels related to the dry vapor pressure equivalent (DVPE), but DVPE did not reliably rank the low-temperature flammability hazards of fuel tank headspace vapors when conventional gasolines were compared with alcohol blends.
Subject Alcohol as fuel -- Research.
Vapors -- Flammability -- Testing.
Motor fuels -- Safety measures.
Added Author Bardon, M.
Pucher, G.
National Renewable Energy Laboratory (U.S.)
Gpo Item No. 0430-P-05 (online)
Sudoc No. E 9.18:NREL/SR-540-44040

 
    
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