# Difference between revisions of "Thermal Mass"

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*3 cubic yards are 6 kg of wood. | *3 cubic yards are 6 kg of wood. | ||

*Conductivity of sand - .25W/MK. | *Conductivity of sand - .25W/MK. | ||

+ | *4.186J/gC° specific heat of water. |

## Latest revision as of 00:16, 3 January 2018

- 830J/kgC specific heat of sand.
- 830kJ/tonC. Assume a 140 to 90F drop, or 30C.
- 25,000kJ/ton30C
- 25MJ/ton of storage for normal conditions.
- Sand weighs 1.3 ton/cubic yard
- 32 MJ/yard
- Wood is 16MJ/kg
- Equivalent heat of 2 kg of wood
- 3 cubic yards are 6 kg of wood.
- Conductivity of sand - .25W/MK.
- 4.186J/gC° specific heat of water.