Quantity

Value for

model plant

Value for full-scale plant, industrial ETB

Full-scale/model plant ratio (similarity constant)

Bottom-to-panel angular radiation coefficient φ0

0.2 - 0.5;

φ0.av. = 0.35

after [8] 0.6 after [9] 0.42}

φ0av = 0.51

Coke-to-panel integral angular radiation coefficient φ

2

2.364

Integral emissivity factor ε1ε2

Reduced emissivity factor

0.746

0.784

Temperature factor 1 stage full-sc.- tav.full-sc. 920˚C, mod-800˚C]

2 stage full-sc.?Tav3 [tav.full-sc.-700˚C, mod -700˚C]

10733

9733

11933

9733

Resulting similarity | 1 stage

constant │ 2 stage

, W/m2К for stage 1

51 (after experiment [5] )

for stage 2

47 (after experiment [5] )

59.3

For 3, 4, 5, 6 stages Stage No. →

3

4

5

6

3

4

5

6

3 - 6

αmod. and αfull-sc. for 3 - 6 stages, W/m2К

38

37

36

35

47.3

46

45

44

1.246