Estimating Effect of Vehicle Characteristics on Fuel Consumption
Publication: Journal of Transportation Engineering
Volume 113, Issue 1
Abstract
The effect of vehicle characteristics on fuel consumption is calculated using a basic energy-related model of instantaneous fuel consumption and on-road second-by-second speed, acceleration, and grade data. By integrating the instantaneous model over observed on-road speed profiles, aggregate models have been derived with vehicle parameters explicit at all model levels. Using this approach, interpretation of the parameters of the well-known average travel speed model is possible. The constant term in this model is related to the fuel to provide tractive force to the vehicle and the coefficient of the reciprocal of average speed can be interpreted as the idle fuel consumption rate. The effects of engine capacity and mass on the parameters of the average travel speed model are discussed. This approach is then compared with the estimated effect of engine capacity on fuel consumption derived using the average travel speed model and official fuel consumption tests.
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References
1.
Biggs, D. C., and Akcelik, R., “Further Work on Modelling Car Fuel Consumption,” AIR 390‐10, Australian Road Research Board, Internal Report, 1985.
2.
Biggs, D. C., and Akcelik, R., “An Interpretation of the Parameters in the Simple Average Travel Speed Model of Fuel Consumption,” Australian Road Research, Vol. 15, No. 1, Mar., 1985, pp. 46–49.
3.
Bowyer, D. P., Akcelik, R., and Biggs, D. C., “Guide to Fuel Consumption Analyses for Urban Traffic Management,” Special Report No. 32, Australian Road Research Board, 1985.
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Lam, T. N., “Estimating Fuel Consumption from Engine Size,” Journal of Transportation Engineering, ASCE, Vol. 111, No. TE4, July, 1985, pp. 339–357.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 113 • Issue 1 • January 1987
Pages: 101 - 106
Copyright
Copyright © 1987 ASCE.
History
Published online: Jan 1, 1987
Published in print: Jan 1987
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