Sr. No.

Parameter

Description

Units

Value

1

ρ

Density of metal

kg/m3

8912

2

ε

Emissivity of molten metal

Nil

0.19

3

ε

Emissivity of mold material

Nil

0.78

4

Cp

Specific heat of metal

J/kg/K

730

5

Hf

Heat of fusion of metal

J/kg

174,700

6

σ

Stefan – Boltzmann constant

W/m2/K4

5.670 × 10−8