JARI Research Journal
Online ISSN : 2759-4602
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Volume 2013, Issue 10
JARI Research Journal 2013.10
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Research Report
  • The effect of tire pressure on fuel economy in mode running
    Tomoya NAKAJO, Ken MATSUURA
    Article type: Research Report
    2013Volume 2013Issue 10 Article ID: JRJ20131003
    Published: 2013
    Released on J-STAGE: December 18, 2025
    DOIhttps://doi.org/10.60458/jarijrj.JRJ20131003
    RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS
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    Tests on 3 different tires were performed to investigate the effect of tire pressure on tire rolling resistance and fuel economy in mode running. The test results revealed that the effect of tire pressure on tire rolling resistance is from -16%/50kPa to -23%/50kPa. Next, we simulated fuel economy using the test data for 3 cases for each tire: base pressure, a decrease of 50kPa, and an increase of 50kPa. Compared to the case of a standard tire at base pressure, a decrease of 50kPa resulted in up to 12% worse fuel economy. An increase of 50kPa resulted in a maximum 2% improvement.
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