Tongjing Liu1, 2, *, Weixia Liu3, Pengxiang Diwu4, Gaixing Hu5, 6, Ting Xu1, 7, Yuqi Li2, Zhenjiang You8, Runwei Qiao2, Jia Wang2
CMES-Computer Modeling in Engineering & Sciences, Vol.123, No.3, pp. 1205-1222, 2020, DOI:10.32604/cmes.2020.08961
Abstract Structure of porous media and fluid distribution in rocks can significantly affect the
transport characteristics during the process of microscale tracer flow. To clarify the effect of
micro heterogeneity on aqueous tracer transport, this paper demonstrates microscopic
experiments at pore level and proposes an improved mathematical model for tracer transport.
The visualization results show a faster tracer movement into movable water than it into bound
water, and quicker occupancy in flowing pores than in storage pores caused by the difference of
tracer velocity. Moreover, the proposed mathematical model includes the effects of bound water
and flowing porosity by applying interstitial… More >
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