Table 14. Indirect Radiators-Plain Surfaces, Forced Draft

Total Emission of Heat per Square Foot of Surface, per Hour, per Degree Difference in Temperature,

Velocity of Air. Feet per Second.

Heat Emitted. B. T. U.

3

-3.42

4

4.00

5

4.50

6

4.94

7

5.33

8

5.71

10

6.33

Velocity of Air. Feet per Second.

Heat Emitted. B. T. U.

12

6.93

14

7.50

16

8.06

18

8.50

20

9.00

22

9.42

24

9.79