Creep experiments and numerical simulations of very light artificial snowpacks

Creep experiments and numerical simulations of very light artificial snowpacks
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超轻人造雪堆的蠕变实验和数值模拟

DOI:
10.3189/172756401781819201
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发表时间:
2001
影响因子:
2.9
通讯作者:
O. Abe
O. Abe
中科院分区:
地球科学4区
文献类型:
--
作者:
O. Abe

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本文报道了用H.密度< 100 kg m−3。还得到了雪的粘度系数的温度依赖性,并将这些结果应用于雪蠕变的问题。实验和计算结果之间的一般比较显示出良好的一致性,但两个蠕变流之间的差异沿着斜坡表明,低密度的雪接近冰点应被视为一个原位材料。
Abstract This paper reports on the measurement of the viscosity coefficient of very light artificial snow with H. density of < 100 kg m−3. The temperature dependency on the viscosity coefficients of the snow was also obtained, and these results were applied to the problem of snow creep. General comparison between experimental and computed results shows good agreement, but differences between the two creep flows along the slope indicate that low-density snow near the freezing point should be considered as an orthotopic material.