Front face heat exchange coefficient h₁ (W∙m⁻²∙K⁻¹)

Thermal flux density (contact area) (W∙m⁻²)

Contact wall 1st layer T₁

Contact wall 2nd layer T₂

Gap of temperature ΔT (˚C) = T₂ – T₁

${\text{Rc}}_{\text{op}}={10}^{1.3}{\text{W}}^{-1}\cdot {\text{m}}^2\cdot \text{K},h{0}_{\text{op}}=0.05\text{W}\cdot {\text{m}}^{-2}\cdot {\text{K}}^{-1}$

10

0.25

23,727

22,824

0.9˚C

15

0.35

24,953

22,824

2.1˚C

30

0.55

28,723

22,824

5.9˚C

60

0.78

33,213

22,824

10.3˚C

100

0.81

35,771

22,824

12.9˚C

$\text{Rcc}={10}^{-1.3}{\text{W}}^{-1}\cdot {\text{m}}^2\cdot \text{K},h{0}_{\text{cc}}=20\text{W}\cdot {\text{m}}^{-2}\cdot {\text{K}}^{-1}$

10

9.1624

23,653

23,24

0.41˚C

15

12.582

24,752

24,134

0.61˚C

30

19.486

28,152

27,179

0.97˚C

60

25.719

32,296

31,072

1.22˚C

100

28.896

34,722

33,405

1.31˚C