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Estimation of mechanical power and energy cost in elite wheelchair racing by analytical procedures and numerical simulations

Author

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  • Pedro Forte
  • Daniel A. Marinho
  • Jorge E. Morais
  • Pedro G. Morouço
  • Tiago M. Barbosa

Abstract

The aim was to compare the mechanical power and energy cost of an elite wheelchair sprinter in the key-moments of the stroke cycle. The wheelchair-athlete system was 3D scanned and then computational fluid dynamics was used to estimate the drag force. Mechanical power and energy cost were derived from a set of formulae. The effective area in the catch, release and recovery phases were 0.41 m2, 0.33 m2 and 0.24 m2, respectively. Drag increased with speed and varied across the key-moments. The catch required the highest total power (range: 62.76–423.46 W), followed-up by the release (61.50–407.85 W) and the recovery (60.09–363.89 W).

Suggested Citation

  • Pedro Forte & Daniel A. Marinho & Jorge E. Morais & Pedro G. Morouço & Tiago M. Barbosa, 2018. "Estimation of mechanical power and energy cost in elite wheelchair racing by analytical procedures and numerical simulations," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 21(10), pages 585-592, July.
    • Handle: RePEc:taf:gcmbxx:v:21:y:2018:i:10:p:585-592
    DOI: 10.1080/10255842.2018.1502277
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    Cited by:

    1. Pedro Forte & Jorge E. Morais & Henrique P. Neiva & Tiago M. Barbosa & Daniel A. Marinho, 2020. "The Drag Crisis Phenomenon on an Elite Road Cyclist—A Preliminary Numerical Simulations Analysis in the Aero Position at Different Speeds," IJERPH, MDPI, vol. 17(14), pages 1-9, July.

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