Furnace Heat
Furnace Heat
what is the specific heat of heavy furnace oil?
i would like to know the specific heat of furnace oil, so that i can calculate how much calories it would take to heat the oil from 70degc to 115degc.Pls help.
The equation for calculating the specific heat of furnace oil is:
Cp = 4.876 + 0.0009(t-15)
where Cp is in cal/(g*°C) and t is temperature in °C.
To get the energy required to heat the oil, we need to integrate that equation:
Cp[115°C, 70°C = 0.00045t^2+4.8625*t
0.00045*115^2 + 4.8625*115 = 565.14 cal/g
0.00045*70^2 + 4.8625*70 = 342.58 cal/g
The difference is 222.56 cal/g
This is is the same is 222.56 kcal/kg or 931.8 kJ/kg or 400.6 BTU/lb
The density of heating oil is 0.72 kg/L, so the specific heat with regard to volume is 160.2 kcal/L or 670.7 kJ/L or 2406.48 BTU/gal
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