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P a g e 1 6 • D R I - S T E E M D e s i g n G u i d e

D R I - S T E E M D e s i g n G u i d e • P a g e 1 7

Table 17-1:

Steam loss in lbs/hr/ft

of duct area or ULTRA-SORB face area at 55 °F duct temperature for all ULTRA-SORB panels

and for RAPID-SORB, Multiple-Tube, and Single-Tube evaporative dispersion units

Duct air

velocity

Tube centers or duct height with Single-Tube

3" 6" 9" 12" 18" 24" 36" 48" 60"

fpm lbs/hr/ft

lbs/hr/ft

500 1.90 1.10 0.76 0.63 0.52 0.47 0.35 0.26 0.20

750 2.40 1.40 1.00 0.90 0.70 0.6 0.45 0.34 0.25

1000 2.80 1.77 1.20 1.00 0.85 0.75 0.56 0.42 0.32

1250 3.10 1.90 1.50 1.10 0.96 0.85 0.66 0.50 0.38

1500 3.40 2.10 1.60 1.25 1.05 0.95 0.72 0.55 0.42

1750 3.60 2.20 1.70 1.35 1.15 1.05 0.82 0.64 0.49

2000 3.70 2.30 1.75 1.40 1.25 1.10 0.86 0.68 0.53

2250 3.75 2.35 1.77 1.43 1.30 1.13 0.88 0.70 0.55

2500 3.78 2.37 1.78 1.44 1.32 1.15 0.89 0.71 0.56

2750 3.79 2.38 1.79 1.45 1.33 1.16 0.90 0.72 0.57

3000 3.80 2.39 1.80 1.46 1.34 1.17 0.91 0.73 0.58

R e f e r e n c e t a b l e s f o r c a l c u l a t i n g l o a d :

S t e a m l o s s

Steam loss in lbs/hr/ft

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 83 84

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