Relationships between Urban Transportation System and Energy Efficiency

도시교통체계와 에너지효율성의 관계분석

  • 신용은 (동의대학교 도시공학과) ;
  • 강민우 (동의대학교 도시공학과) ;
  • 임미 (울산광역시청 교통건설국)
  • Received : 2010.02.05
  • Accepted : 2010.02.23
  • Published : 2010.04.28

Abstract

The amount of energy consumed by a transportation system in a city is influenced not just by a transportation system itself but also by city's spatial character. Yet there have been very limited studies on this subject. This study investigates the factors that influence the energy consumption by a transportation system and city's spatial character. The model of an urban area confined within a definite boundary is assumed in order to develop the relationships between the energy consumption and the transportation system. Various assumptions on the character of a city and activities are made. An equation for computation of the energy consumption is derived with such factors as modal split, densities of residents and workers, as well as technological development. Using the equation, sensitivity analyses are performed in order to identify the relationships between energy consumption and influencing factors. It is found that the modal split is the most powerful factor that determines the energy consumption by the transportation system. Yet it is also found that the densities of residents and workers and the technological factors are very important in determining the amount of energy consumption as well.

Acknowledgement

Supported by : 동의대학교

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