Based upon the experimental behavior of porous sand under squeezing, two types of status are defined to character the process: the filling of interval space, and the yielding slippage among sands.
提出颗粒型砂介质在压实过程中的两种特征：孔隙填充状态和颗粒滑动状态；
It is indicated that to every heat transfer flux there is an optimum channel interval and partical-size range of porous layer.
研究表明，对在同一热流下存在一个最佳通道间隙及粉末粒度范围。
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