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Concurrent 22: Oral Presentation for: Modelling and 3D printing of a random porous media using iterative function system fractals

Chan Mayol A *
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A University of Adelaide, Adelaide, SA 5000, Australia.


The APPEA Journal 63 - https://doi.org/10.1071/AJ22426
Published: 2 June 2023

Abstract

Presented on Wednesday 17 May: Session 22

3D-printed porous media are useful in conducting research in many fields. Fabricated core samples can be utilised in core flooding experiments to investigate fluid flow (natural gas, CO2 and hydrogen) within an engineered porous media. This work aimed to create digital cores using randomly generated porous media and fabricate the cores using 3D-printing technology. A code is developed that utilises an iterative function system to generate individual maps with random points across their surfaces. A predetermined number of individual maps are generated and stacked on top of each other in a 3D space. The maps are transferred to an Autodesk Inventor environment in the form of coordinates in space. The 3D model of the digital core is constructed in the Inventor and exported as a 3D-printed file. The digital cores are 3D printed using different materials and technologies to identify the best approach. The results show that the digital core constructed using six individual maps, with each map having 10 000 random points, can be successfully fabricated using resin as the printing material. A post-printing micro-CT scan imaging of the fabricated core clearly shows 3D-printed pores (both isolated and connected pores) throughout the core sample. This confirms that 3D-printed pores have adequate quality and that connectivity has been attained throughout the sample.

To access the Oral Presentation click the link on the right. To read the full paper click here

Keywords: 3D model, 3D printing, additive manufacturing, digital core, fractal network, iterative function system, micro-CT scan imaging, porous media, rapid prototyping.

Chan Monyteng Ring Mayol (Chan Mayol) is a penultimate-year student at the University of Adelaide, taking Petroleum and Mechanical Engineering and anticipating completion in 2023. His professional industry experience includes vacation work with Oz Minerals at Prominent Hill in 2021/2022 as an undergraduate Backfill Engineer. He mainly worked in the backfill department focusing on paste rheology, specifically designing and analysing paste flow within underground pipe networks. Outside of work and studies, he has volunteered at Science, Technology, Engineering and Mathematics events, such as SCIENCE ALIVE 2019/2022, and has previously been involved in leadership activities as a formed Secretary in the 2021/2022 Committee for the University of Adelaide Society of Petroleum Engineers Student Chapter (SPE Student Chapter). His achievements include a scholarship from SPE South Australia.