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Struggling to select the right fin geometry and material, any tips ? (hilariouschaos.com)

submitted 4 months ago by [email protected] to c/mechanical_engineering

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Hey folks, I'm working on a project involving the design of a heat exchanger, and I've hit a bit of a wall. I'm trying to optimize the fin design for maximum thermal efficiency while keeping the pressure drop within acceptable limits. I know the general principles, but I'm struggling with the specifics of selecting the right fin geometry and material.

Any tips or resources you could recommend for tackling this?

Appreciate any advice from those who've been down this road before!

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[–] j4k3 5 points 4 months ago (3 children)

Probably way beneath the level you're looking for, as I'm no engineer, but when I've been designing stuff for 3d printing and Maker projects, the only practical info I've found is by searching for HVAC design guides on places like YouTube. When it comes to turbulent flow, that was the only source I could find with rules of thumb and people that are willing to talk about useful information. CFD is full of spam and baiting tactics trying to sell some software, consulting, gold gilded book, or classes.

[–] Achugodblessme 4 points 4 months ago

💯 I have worked with some really seasoned engineers for the past twenty-five years, and what you said right here, its almost like you just took the words right out of their mouths.

Fucking spot on

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