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Mechanism and evaluation of a new type of thermal ratchetting

机译:一种新型的热掠夺的机理和评估

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摘要

The mechanism of a new type of thermal ratchetting due to traveling temperature front is shown in this paper, and the evaluation method of ratchetting strain is proposed based on this mechanism. The proposed evaluation is based on the hoop-membrane stress due to the axial temperature distribution, and considers the influence of axial bending stress and traveling distance of temperature distribution. Predicted results by this equation correspond to numerical results by FEM and can conservatively estimate the experimental results.
机译:给出了一种由于行进温度前沿引起的新型热跳跳的机理,并提出了基于这种机理的跳跳应变评估方法。所提出的评估基于轴向温度分布引起的环向膜应力,并考虑了轴向弯曲应力和温度分布的行进距离的影响。该方程的预测结果与FEM的数值结果相对应,可以保守地估计实验结果。

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