提出了用计算机进行测量和计算淬火过程中淬火介质换热系数的反传热模型。
This paper proposes an inverse heat conduction method model used in computer measurement and calculation to derive the heat transfer coefficient of quenchants during the quenching process.
淬火过程中表面换热系数是反映界面能量传递和介质冷却能力的重要物理参数。
Surface heat transfer coefficient is an important physical parameter which reflects energy transfer of interface and cooling capability of medium.
结果表明,换热系数是影响淬火结果的主要因素,淬火介质的温度及零件的预热温度对于零件淬火后的性能影响很小;
The effects of technical parameters to quenching result are researched, heat transfer coefficient, preheat temperature and quenchant temperature are regarded as the object variable.
实验结果表明:在热流密度和旋转速度相同的条件下,采用介质R12可以获得较高的平均换热系数,冷却效果也优于以H2O为介质的冷却效果。
The results have shown that the characteristics of the thermal driving of R12 are similar with those of H2O, but with better cooling effect that H2O.
实验结果表明:在热流密度和旋转速度相同的条件下,采用介质R12可以获得较高的平均换热系数,冷却效果也优于以H2O为介质的冷却效果。
The results have shown that the characteristics of the thermal driving of R12 are similar with those of H2O, but with better cooling effect that H2O.
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