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THREE-DIMENSIONAL PORE STRUCTURE MODEL AND METHOD FOR FABRICATING THE SAME, EXPERIMENT SYSTEM AND TRANSPARENT EXPERIMENT METHOD FOR REPLICATING FLUID DISPLACEMENT PROCESS WITHIN ROCK PORE STRUCTURE
THREE-DIMENSIONAL PORE STRUCTURE MODEL AND METHOD FOR FABRICATING THE SAME, EXPERIMENT SYSTEM AND TRANSPARENT EXPERIMENT METHOD FOR REPLICATING FLUID DISPLACEMENT PROCESS WITHIN ROCK PORE STRUCTURE
An experiment system and transparent experiment method for replicating fluid displacement in a pore structure of a natural rock mass are provided. The natural pore structure is extracted and a digital porous model corresponding to the natural rock mass is reconstructed with the image processing method. Based on the digital porous model, a three-dimensional pore structure model with a transparent and visible internal structure is printed by a 3D printing device, such that the pore space inside the three-dimensional pore structure model is visible. In this way, the whole fluid flow during the displacement-seepage process within the natural rock mass can be replicated and visually observed from the outside when performing the displacement-seepage experiment. Further, temperature, flow rate, and pressure can be accurately controlled, to replicate various experiment conditions, so as to perform quantitative analysis on distribution features of a seepage field and a fluid speed field.
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