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首页> 外文期刊>International Journal of Heat and Mass Transfer >Thermomechanical effects on transient temperature in non-conformal contacts experiencing reciprocating sliding motion
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Thermomechanical effects on transient temperature in non-conformal contacts experiencing reciprocating sliding motion

机译:热力学效应对非保形触点往复滑动运动中瞬态温度的影响

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摘要

A thermomechanical analysis of a semi-infinite elastic solid in contact with a rigid adiabatic sphere subjected to oscillatory sliding motion is conducted to investigate the effects of transient mechanical and thermomechanical loads on the temperature variation in the solid. The interdependent mechanical and thermal analyses are coupled by an iteration scheme using the transfer matrix method combined with the finite element technique. The significance of interaction among heat generation, temperature rise and contact conditions are interpreted in light of numerical results. It is shown that the constraint of the thermal expansion in the indentation direction between the contacting bodies plays a significant role in the increase of contact pressure and heat generation, which in turn affect the temperature rise and thermal expansion.
机译:进行半刚性弹性固体与刚性绝热球体接触的热力学分析,该固体绝热球体经历振荡滑动,以研究瞬态机械和热机械载荷对固体温度变化的影响。相互依赖的机械分析和热分析通过迭代方案结合使用,该方案使用传递矩阵法与有限元技术相结合。根据数值结果解释了生热,温度升高和接触条件之间相互作用的重要性。结果表明,在接触体之间的压痕方向上的热膨胀的约束在接触压力和热的产生中起着重要作用,继而影响温度上升和热膨胀。

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