Rayleigh-Benard对流温度信号的绝对标度律研究

来源 :中国第一届近代空气动力学与气动热力学会议 | 被引量 : 5次 | 上传用户:liubin523
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本文通过对高Re数下Rayleigh-Benard对流温度信号的最高激发态的研究发现,最高激发态存在两个绝对标度区域,证实了Ching[7]在研究同类问题时发现的结论,即在一个称之为Bolgiano的尺度两边存在两个标度现象.且进一步的研究发现,这两个统计意义上的不同的绝对标度律是由信号中最强涨落的两个不同的局部结构产生.
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