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A dynamic dissolution model of rock salt under gravity for different flow rates

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Abstract

The dissolution mechanism of rock salt under the effect of gravity was investigated in the laboratory using a dynamic dissolution test apparatus. Rock salt specimens were subjected to dissolution at different flow rates and the weight of the dissolved salt was measured over time and a comparison between the dissolution weight changes under the effect of gravity of this paper and those of dissolution without considering the gravitational effect was analyzed. After introducing the partial differential equations of a dynamic dissolution which conducted in a non-gravity condition, the influence of different parameters on the dissolution model was discussed to establish the dynamic dissolution model of rock salt under gravitational effect. Then, a numerical solution based on the finite-difference method and parameter inversion was conducted, whose numerical calculation results were in good agreement with the experimental results. The results of this paper can provide a basic theoretical foundation and analytical means that can serve a guide for studies on the dissolution mechanism of rock salt.

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Acknowledgments

This study is supported by the Fundamental Research Funds for Central Universities (Grant No. CDJXS12200005 and Grant No. CDJZR12200003), we gratefully acknowledge these supports.

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Authors and Affiliations

  1. School of Civil Engineering, Chongqing University, Chongqing, 400045, China

    Xinrong Liu, Xin Yang, Dongliang Li, Peng Li & Zhongping Yang

  2. Key Laboratory of New Technology for Construction of Cities in Mountain Area, Ministry of Education, Chongqing University, Chongqing, 400030, China

    Xinrong Liu, Xin Yang, Dongliang Li, Peng Li & Zhongping Yang

  3. College of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an, 710055, China

    Junbao Wang

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  1. Xinrong Liu
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  2. Xin Yang
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  3. Junbao Wang
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  4. Dongliang Li
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Correspondence to Xin Yang.

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Liu, X., Yang, X., Wang, J. et al. A dynamic dissolution model of rock salt under gravity for different flow rates. Arab J Geosci 9, 226 (2016). https://doi.org/10.1007/s12517-015-2254-0

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  • DOI: https://doi.org/10.1007/s12517-015-2254-0

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