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2023-11: Warosu is now out of extended maintenance.

/diy/ - Do It Yourself


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2044506 No.2044506 [Reply] [Original]

Young bloke just starting out here.

Can someone explain the difference between thermal mass and insulation, im just not getting it?

>> No.2044511

thermal mass: a substance's ability to absorb/emit heat without raising/lowering in temperature itself. AKA, how easily it can be heated up, or or how long it can give off heat before cooling to the ambient temperature.

insulation: a substance's ability to prevent or inhibit the flow of heat between a temperature gradient

Low thermal mass; low insulation would be something like a metal mesh. It can be heated up very easily and does fuck all to stop temperature changes.

Low thermal mass, high insulation would be something like fiberglass.

High thermal mass low insulation would be something like water.

>> No.2044513

>>2044506
Thermal mass holds heat. Insulation keeps the heat in.

Put a rock in the fire - it warms up. You take the rock out - it cools down. It will cool down slower if you insulate it. It will cool down a lot faster if that rock was made out of air.

>> No.2044525

>>2044511


>>2044513
Thanks guys!