The Relationship between Vehicle Fuel Temperature and Ambient Temperature. 1981 CRC (Coordinating Research Council) Kapuskasing Field Test.
Final contractor rept.,
COORDINATING RESEARCH COUNCIL INC ATLANTA GA
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A total of 214 overnight cooling curves, obtained on four diesel cars and three heavy-duty diesel trucks during January through April 1981 in Kapuskasing, Ontario, Canada, were analyzed to establish relationships between ambient and fuel tank temperatures. The closest relationship was found to be between fuel tank temperature at the end of an overnight cooldown and the average of the ambient temperature for the last three hours, the fuel being 2.2 C warmer on the average. The average difference between fuel tank and minimum ambient temperature was 3.6 C. No significant difference was observed between the final fuel tank temperatures of cars and the final fuel tank temperatures of the heavy-duty trucks, at the fill levels used in this program, when parked outdoors overnight. Author
- Atmospheric Physics