What is it about?
Fractal geometries are found everywhere if you know what to look for: snowflakes, tree branches, etc. We make use of fractal cubes to help mix two different fluids in very small channels (in micrometers!). We show that fractal cubes can effectively mix fluids together with no external help.
Featured Image
Photo by Dima Solomin on Unsplash
Why is it important?
Our findings show that by simply modifying a cube, specifically by adding fractal features to a simple cube - it can be adopted to be an effectual passive mixing mechanism. The work here is important for engineers to uncovering fluid dynamics and micro-mixing mechanisms without relying on other sources of energy.
Perspectives
This was a paper written with my doctoral advisors whom I have great respect towards. It has been a pleasure to measure flow dynamics which most people tend to gloss over. The way tiny flows interact with solid geometries is interesting to say the least, and arguably the "how's and why's" are more important than the final mixing result.
Lit Kean Chai
Monash University
Read the Original
This page is a summary of: Fractal cube-induced homogenisation of dual concentration microchannel flow in transitional Re: Lattice Boltzmann modelling, International Journal of Thermal Sciences, July 2024, Elsevier,
DOI: 10.1016/j.ijthermalsci.2024.109056.
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