10.1186/2251-6832-3-23

Energy and exergy analyses of the Nigerian transportation sector from 1980 to 2010

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  • Ismaila Badmus*1,
  • Ajiboye Saheeb Osunleke2,
  • Richard Olayiwola Fagbenle3,
  • Miracle Olanrewaju Oyewola3,
  1. Mechanical Engineering Department, Yaba College of Technology, Yaba, Lagos, 6457, NG
  2. Chemical Engineering Department, Obafemi Awolowo University, Ile-Ife, 220005, NG
  3. Mechanical Engineering Department, University of Ibadan, Ibadan, 200284, NG
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Published in Issue 2012-09-18

How to Cite

Badmus, I., Osunleke, A. S., Fagbenle, R. O., & Oyewola, M. O. (2012). Energy and exergy analyses of the Nigerian transportation sector from 1980 to 2010. International Journal of Energy and Environmental Engineering, 3(1 (December 2012). https://doi.org/10.1186/2251-6832-3-23
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Abstract

Abstract This paper analyses energy utilisation in the transportation sector of Nigeria using exergy methods. The sector is dominated by the road subsector, with a share ranging from 70.65% in 1990 to 97.51% in the year 2005 and a mean of 88.44%. The road subsector is still the most efficient, with energy efficiency values that range from 9.93% in 1990 to 19.19% in 1986. The corresponding exergy values are 9.28% and 17.93%, respectively. Following the road subsector is the aviation subsector with its least energy consumption share of 0.10% in 2005 and biggest share of 26.25% in 1990. The subsector energy efficiency values range from 0.03% in 2005 to 7.35% in 1990, with corresponding exergy values of 0.026% and 6.87%, respectively. The overall mean energy efficiency in the Nigerian transportation sector for the three decades is 17.11%, while the overall mean exergy efficiency is 15.97%. The road subsector performance has been adversely affected by the massive importation of used vehicles into the country.

Keywords

  • Energy analysis,
  • Exergy efficiency,
  • Nigerian transportation sector
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