Jyoti and Haese, 2019, "The transition from face dissolution to wormhole formation in a heterogeneous limestone based on the distribution of local dissolution rates"

The findings from the dataset presented here are described in the paper titled "The transition from face dissolution to wormhole formation in a heterogeneous limestone based on the distribution of local dissolution rates" by Apoorv Jyoti and Ralf. R. Haese from the Peter Cook Center for CCS Research at the University of Melbourne. A multicomponent reactive transport model at the pore-scale in combination with a flow-through experiment with intermittent high-resolution imaging of the pore network geometry is used to better understand the formation of dissolution patterns in porous limestone. The 3D images of the pore network were used for reactive-transport simulations to derive the distribution of local dissolution rates. The model was validated through the comparison of experimental and integrated calcite dissolution rates derived from simulations. The image-based change in pore geometry was limited to less than 3 mm from the inflow of acid due to the rapid acid neutralization from calcite dissolution. The dataset consists of three parts: 1) Raw image data from the micro-CT scanner, 2) Chemical analysis of the effluent presented in an excel file, 3) The three reactive transport models at T0, T2, and T4, consisting of the input files for COMSOL and PhreeqC.本数据集的相关研究成果已发表于题为《基于局部溶蚀速率分布的非均质灰岩中从表面溶蚀到虫洞形成的演化过程》的论文，作者为墨尔本大学彼得·库克CCS研究中心的Apoorv Jyoti与Ralf R. Haese。本研究采用孔隙尺度多组分反应输运模型，结合孔隙网络几何结构的间歇式高分辨成像流动实验，以更深入地阐明多孔灰岩中溶蚀图案的形成机制。孔隙网络的三维图像被用于反应输运模拟，以此推导局部溶蚀速率的分布。研究通过对比实验测得与模拟得到的方解石总溶蚀速率，完成了模型验证。由于方解石溶蚀会快速中和酸液，孔隙几何结构的图像观测变化局限于距酸液入口小于3毫米的区域。本数据集包含三部分：1）显微CT扫描仪采集的原始图像数据；2）Excel文件中存储的流出液化学分析结果；3）T0、T2和T4时刻的三套反应输运模型，包含COMSOL与PhreeqC的输入文件。