Page 91 - Process Equipment and Plant Design Principles and Practices by Subhabrata Ray Gargi Das

88 Chapter 4 Shell and tube heat exchanger

Table 4.5 Dimensions of heat exchanger tubes.
Inside cross-sectional
OD Wall thickness ID area
2
in. mm BWG No. in. mm in. mm ft 2 m 310 4
12 0.109 2.77 0.407 10.33 0.000903 0.8381
14 0.083 2.11 0.459 11.66 0.00115 1.068
5 15.88
8
16 0.065 1.65 0.495 12.57 0.00134 1.241
18 0.049 1.25 0.527 13.39 0.00151 1.408
12 0.109 2.77 0.532 13.51 0.00154 1.434
3 19.05 14 0.083 2.11 0.584 14.83 0.00186 1.727
4
16 0.065 1.65 0.620 15.75 0.00210 1.948
18 0.049 1.25 0.652 16.56 0.00232 2.154
12 0.109 2.77 0.657 16.69 0.00235 2.188
14 0.083 2.11 0.709 18.01 0.00274 2.548
7 22.23
8
16 0.065 1.65 0.745 18.92 0.00303 2.811
18 0.049 1.25 0.777 19.74 0.00329 3.060
10 0.134 3.40 0.732 18.59 0.00292 2.714
12 0.109 2.77 0.782 19.86 0.00334 3.098
1 25.40
14 0.083 2.11 0.834 21.18 0.00379 3.523
16 0.065 1.65 0.870 22.10 0.00413 3.836
10 0.134 3.40 0.982 24.94 0.00526 4.885

1 1 31.75 12 0.109 2.77 1.032 26.21 0.00581 5.395
4
14 0.083 2.11 1.084 27.53 0.00641 5.953
16 0.065 1.65 1.120 28.45 0.00684 6.357
10 0.134 3.40 1.232 31.29 0.00828 7.690
12 0.109 2.77 1.282 32.56 0.00896 8.326
1 1 38.10
2
14 0.083 2.11 1.334 33.88 0.00971 9.015
10 0.134 3.40 1.732 43.99 0.0164 15.20
2 50.80
12 0.109 2.77 1.782 45.26 0.0173 16.09
Reproduced from Geankoplis, C. J., (2003). Transport processes and separation process principles (unit operations) (4th ed.).
Reprinted by permission of Pearson Education, Inc., New York, NY.

Eq. (4.7) is obtained by considering that the number of tubes arranged with pitch P t that can be
fitted inside a cylindrical shell of diameter D s is
pD 2 s
N t ¼ CTP 2 (4.7)
4 CL P
T