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Effect of Fuel Volatility on Driveability at Low and intermediate Ambient Temperatures
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English
Abstract
The Coordinating Research Council (CRC) measured cold-start and warmup driveability at low (-20 to 28°F) and intermediate (40 to 69°F) ambient temperatures using sixteen 1980 model cars and nine fuels. This was the first CRC study at low temperature. Average driveability was worse at low than at intermediate temperature for some cars, but for others the reverse was true. As found previously, decreasing fuel volatility deteriorated driveability. A regression model was developed to relate cold start and warmup driveability to fuel volatility as measured by 10, 50, and 90% distillation temperatures. Overall, as ambient temperature decreased, the importance of the 10% distillation temperature increased.
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Citation
Brinkman, N., Steinke, E., Villforth, F., and Williams, W., "Effect of Fuel Volatility on Driveability at Low and intermediate Ambient Temperatures," SAE Technical Paper 830593, 1983, https://doi.org/10.4271/830593.Also In
References
- Benson, J. D. Bigley, H. A. Keller, J. L. "Passenger Car Driveability in Cool Weather," Society of Automotive Engineers Paper 710138 1971
- Coordinating Research Council "1972 CRC Intermediate Temperature Driveability Program -- Paso Robles," CRC Report 483 1976
- Coordinating Research Council "Driveability Performance of 1975 Passenger Cars at Intermediate Ambient Temperatures -- Paso Robles," CRC Report 486 1976
- Coordinating Research Council "Driveability Performance of 1977 Passenger Cars at Intermediate Ambient Temperatures -- Paso Robles," CRC Report 499 1978
- Coordinating Research Council "Effects of Fuel Volatility on Driveability of 1980 Model Cars at Low and Intermediate Ambient Temperature," CRC Report 524 1982
- Horowitz A. M. Stawnychy, M. S. "Cold Weather Driveability Performance of 1975 1981 Model Cars," Society of Automotive Engineers Paper No. 821203 1982