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| Also, we use the term in a narrower sense to mean the amount of heat, in calories that we require to raise the temperature of one gram of a substance by one Celsius degree. | Also, we use the term in a narrower sense to mean the amount of heat, in calories that we require to raise the temperature of one gram of a substance by one Celsius degree. | ||
| - | Q = m * c * delta T, | + | Q = m * c * ΔT, |
| c = specific heat, units of J / (kg * k), (k = kelvin) | c = specific heat, units of J / (kg * k), (k = kelvin) | ||
| Q = heat energy, in Joules ... or "transfer of heat" | Q = heat energy, in Joules ... or "transfer of heat" | ||
| Line 12: | Line 12: | ||
| tf = (m1*c1*t1 + m2*c2*t2 + ... ) / (m1*c1 + m2*c2 + ...) | tf = (m1*c1*t1 + m2*c2*t2 + ... ) / (m1*c1 + m2*c2 + ...) | ||
| - | |||
| tf = temperature final | tf = temperature final | ||
| (see https://www.engineeringtoolbox.com/temperature-mixing-liquid-solids-d_1754.html) | (see https://www.engineeringtoolbox.com/temperature-mixing-liquid-solids-d_1754.html) | ||
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| K = thermal conductivity | K = thermal conductivity | ||
| - | For two materials that are joined, see the temp at the middle | + | For two materials that are joined, see the temp at the middle by setting Q/t of one item to another |
| - | by setting Q/t of one item to another | + | (see https://physics.gurumuda.net/heat-transfer-conduction-problems-and-solutions.htm) |
| - | (see https://physics.gurumuda.net/heat-transfer-conduction-problems-and-solutions.htm) | + | |
| ------ | ------ | ||
| Back to the [[Physics]] page or [[00_start|Start]] page. | Back to the [[Physics]] page or [[00_start|Start]] page. | ||
urp/physheat.1636345099.txt.gz · Last modified: 2021-11-08 by nerf_herder
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