Heat transfer processes

Wien displacement law

wave length by maximal emittion power

λ_max =

Planck's constant

h =

6.626E-34

J·s

velocity of light in free space

c =

3E8

m/s

Boltzmann constant

k =

1.381E-23

J/K

temperature of radiating body

T =

1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"