10
Radiation A
Radiation B
Radiation C
1
5
6
7
10
10
10
Rayleigh Number
Figure 32. Nusselt and Rayleigh number plot for the 2-in. pipe in
the 1-ft 1-ft enclosure (numerical data).
50
Radiation A
Radiation B
Radiation C
No Radiation
10
1
0.5
4
5
6
7
10
10
10
10
Rayleigh Number
Figure 33. Nusselt and Rayleigh number plot for the insulated 2-in.
pipe in the 1-ft 1-ft enclosure (numerical data).
50
Radiation A, pipe at 150F
Radiation A, pipe at 80F
Radiation A, pipe in the 2-ft by 2-ft enclosure
10
5
4
5
6
7
10
10
10
10
Rayleigh Number
Figure 34. Nusselt and Rayleigh number plot for the 1.27-ft 1.27-
ft and 2-ft 2-ft enclosures (numerical data).
38
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