Thermal Mass
Jump to navigation
Jump to search
- 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.