31x
000981
2024-01-16

Calculation of Emissivity

Calculation of Emissivity
ε=0.35 · 30min + 0.7 · (total time - start time with lower value (30min))total time

Example with 90 min:

ε=0.35 · 30min + 0.7 · (90min - 30min)90min = 0.58

ε Emissivity