Electronics > Projects, Designs, and Technical Stuff
Device that circulates mineral oil and cools it?
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Plasmateur:
I purchased an induction heater off of amazon. I want to push this thing kinda while keeping it cool.

I figured I could submerge the whole board in mineral oil, and circulate it so it would act as coolant. Has anyone ever done something like this? If so, are there some hobbiest options for this type of device?
Nerull:
Look up mineral oil PCs. You can generally use water cooling radiators and aquarium/pond pumps.
tsman:
The mineral oil will wick up cables so expect it to get everywhere if you're not careful.
Plasmateur:

--- Quote from: Nerull on April 12, 2019, 01:47:01 am ---Look up mineral oil PCs. You can generally use water cooling radiators and aquarium/pond pumps.

--- End quote ---


--- Quote from: tsman on April 12, 2019, 01:53:19 am ---The mineral oil will wick up cables so expect it to get everywhere if you're not careful.

--- End quote ---

Hey, thanks for the help! I was a little worried about using a water cooling radiator with mineral oil. I'll check into the PCs. And thanks for the wicking advice.

I have a feeling tupperware might be the enclosure. 
Berni:
Yep generally stuff for water cooling can be used with mineral oil.

Tho you will find out how big of a mess this stuff can be as it gets everywhere and is impossible to simply wipe off. The cooling properties of mineral oil are also not all that impressive. Its specific heat capacity is quite a bit smaller than water and its considerably more viscous compared to water. This means if something is simply submerged then the oil next to hot surfaces will heat up and mostly stick to them, it needs to be forcefully moved across the surface just like air.

In practice oil submersion is mostly done for high voltage isolation, tho with large HV transformers it does also aid in cooling because the internal structure is designed with large gaps for oil to get trough and made to pick up strong convective currents. This helps move heat from deep inside the core to the outside walls. The large scales make conductive heat flow painfuly slow while enhancing convective effects due large mass of fluid and effects of viscosity diminishing with distance.

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