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Analyses of energy dissipation of run-off-road wheeled vehicles utilizing controlled soil bin facility environment

机译：利用可控土箱设施环境分析越野轮式车辆的能量耗散

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摘要

Management of nonrenewable energy sources is a worldwide concern particularly some of which refer to the consumption of fossil fuels. There is a great deal of energy loss in terramechanics at soil-wheel interface while the role of rolling resistance as a pronounced factor, was aimed to be assessed in this study under the effect of tire inflation pressure, forward velocity and wheel load in controlled condition of a well-equipped soil bin facility utilizing a single wheel-tester for provision of accuracy. Inflation pressure, velocity and wheel load varied at three, three and five different levels, respectively, forming forty-five treatments each of which with three replicates. The experimental results were analyzed using ANOVA (analysis of variance) and development of multiple regression analysis based model using the stepwise selection technique. Our results showed that increase of velocity led into increment of energy loss where increase of wheel load had paramount effect on the increase of the target parameter. The obtained results indicated that a decrease of inflation pressure from 350 kPa to 250 kPa decreased energy loss, however, further decreasing from 250 to 150 to an underinflated pressure, resulted in significant increment of energy loss.
机译：不可再生能源的管理已成为全球关注的问题，尤其是其中一些涉及化石燃料的消耗。在这项研究中，在轮胎充气压力，前进速度和车轮负载在受控条件下的作用下，旨在评估滚动阻力作为显着因素的作用，从而在土轮界面的地力学中损失了大量能量。设备完善的土壤箱设施，使用单轮测试仪提供准确性。充气压力，速度和车轮载荷分别在三个，三个和五个不同的水平上变化，形成四十五次处理，每个处理重复三次。使用ANOVA（方差分析）分析实验结果，并使用逐步选择技术开发基于多元回归分析的模型。我们的结果表明，速度的增加导致能量损失的增加，其中车轮载荷的增加对目标参数的增加具有最大的影响。获得的结果表明，充气压力从350 kPa降低到250 kPa减少了能量损失，但是，从250降低到150到不足充气压力，导致能量损失显着增加。

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  • 来源
    《Energy》 |2014年第1期|973-980|共8页
  • 作者

    Hamid Taghavifar; Aref Mardani;

  • 作者单位

    Department of Mechanical Engineering of Agricultural Machinery, Faculty of Agriculture, Urmia University, Nazloo Road, Urmia 571531177, Iran;

    Department of Mechanical Engineering of Agricultural Machinery, Faculty of Agriculture, Urmia University, Nazloo Road, Urmia 571531177, Iran;

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  • 正文语种 eng
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  • 关键词

    Energy loss; Rolling resistance; Soil bin; Velocity; Wheel load; Inflation pressure;

    机译：能量损失;滚动阻力;土壤箱;速度;车轮载荷;充气压力;

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