用无因次分析法对低渗透岩心的实验数据进行了分析，得出新的渗流规律。
The experimental data of fluid flow in porous core with low permeability were analyzed with simulation theory and plotted as a log log typical curve.
采用无因次分析法得到了预测系统稳定的经验关系式，并得到了判断系统稳定性的界限图。
By means of dimensionless analysis an experimental correlation for predicting stability of system is obtained and stability threshold diagrams have been found.
讨论了相似理论中的相似准则，以及如何用因次分析法推导数学仿真模型中的相似准则，并举例说明了这种方法的实用性。
This paper discusses similarity criterion in similarity theory, and how to derivate similarity criterion of mathematics simulation model by dimensional analysis. A example for this method is given.
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