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band_on_the_run@lemmy.world to Mildly Interesting@lemmy.world · 2 years ago

How geologists collect lava

i.imgur.com

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How geologists collect lava

i.imgur.com

band_on_the_run@lemmy.world to Mildly Interesting@lemmy.world · 2 years ago
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  • AFK BRB Chocolate@lemmy.world
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    2 years ago

    I’m a software engineer, not a physicist, but I’m not sure that makes sense for this. Heat does transfer much more quickly in oil than water, so it can cool something off more quickly, but oil can also get way hotter than water. That little bucket isn’t going to hold enough for a lot of thermal mass, so it’s pretty quickly going to get as hot as the lava (or as close as oil can get). Water turns to stream and boils off, so kind of caps the temp under normal conditions.

    Plus if they’re doing sampling, I doubt they want the sample covered in oil.

    • LordOfTheChia@lemmy.world
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      2 years ago

      It is water:

      https://volcano.oregonstate.edu/collecting-sample

      Though for steel forging, oil is used depending on how fast they need to cool it down between forging steps.

      https://www.americanbladesmith.org/community/heat-treating-101/quenching-oil/

      • Rob T Firefly@lemmy.world
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        2 years ago

        I don’t approve of steel forging, steel customers deserve to know when they aren’t getting the real thing.

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