Study on Drag Force Acting on Tandem Car Models

  • KUROSAWA Yuta
    Department of Engineering Mechanics and Energy, Tsukuba University,
  • MONJI Hideaki
    Department of Engineering Mechanics and Energy, Tsukuba University,
  • SONOKI Syouta
    Department of Engineering Mechanics and Energy, Tsukuba University,
  • ASAI Takeshi
    Institute of Health and Sports Science, University of Tsukuba,
  • HONG Sungchan
    Institute of Health and Sports Science, University of Tsukuba,

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<p>In order to develop an automatic driving system, it needs to examine the effect of cars in a line on the flow around a car. In the study, the drag force acting on car models was studied where the two car models were arranged linearly at a certain interval in a wind tunnel. Drag force reduction of the leading car model was observed. The slip stream effect was clear only for a very short inter-vehicle distance under Re=1.0x106 and the effect disappeared for the middle distance between car models.</p>

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