Analysis on Influence of Temperature Characteristics of Tire on Rolling Resistance

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Other Title
  • タイヤの温度特性が転がり抵抗に及ぼす影響について
  • タイヤの温度特性が転がり抵抗に及ぼす影響について : 実路試験および新方式タイヤ試験装置による実験解析
  • タイヤ ノ オンド トクセイ ガ コロガリ テイコウ ニ オヨボス エイキョウ ニ ツイテ : ジツロ シケン オヨビ シン ホウシキ タイヤ シケン ソウチ ニ ヨル ジッケン カイセキ
  • -実路試験および新方式タイヤ試験装置による実験解析-
  • -A Driving on the road, and Experiment Analysis by NewMethod Tire Test Equipment-

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In a measurement of running resistant force, rolling resistance coefficient directly measured with coast-Down method is converted to the compensated value corresponding to standard atmospheric conditions. The compensation is prescribed to use an equation including ambient temperature when the coast-down test conducted. However, the validity of this procedure has not been verified enough. In order to investigate how temperature conditions influences the rolling resistance coefficient, vehicle tests on the proving ground were conducted under various temperature conditions. Furthermore, using advanced tire testing system which can control tire ambient temperature, the authors examined temperature influences on rolling resistance characteristics.

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