The Oak Ridge National Laboratory Gas-Cooled Reactor, Part 3: Plant Design Page: 6-3
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6.3
TABLE 6.1PROPERTIES OF GASES
SUITABLE FOR REACTOR COOLING
Gas
H2
Molecular Weight 2
Thermal Conductivity,
Btu/hr-ft2- F/ft
2000F 0.1
7000F 0.1
13300F
Viscosity centipoises2000F
7000F
1330 0F
Specific Heat
2000F
700F
1330F0.010
0.015
0.020
Btu/lbo F
3.47
3.51
3.60He
425 0.097
99 0.135
0.1720.023
0.033
0.044
1.24
1.24
1.24Density at S.T.P.,
lb/ft3 0.0052
Volumetric Specific
Heat at S.T.P.,
Btu/ft3-oF 0.0178
Relative Heat Transfer
Coefficient Compared
to He for same gas
temperature and same
power output 1.19
Relative pumping power
compared to helium for
same gas temperature
and same power
output 0.17
Relative Pumping Power
Compared to He 0.17
Cost of Gas per 1000
ft3 at S.T.P. 6
Relative Total
Activity 4.53
10Relative Gamma
ActivityN2
28
0.018
0.028
0.037
0.020
0.031
0.041
0.249
0.259
0.279Air
29
0.018
0.028
0.039
0.021
0.032
0.042
0.241
0.254
0.272CO
28CO2
440.017 0.013
0.027 0.028
0.0420.020
0.031
0.044
0.250
0.262
0.2830.017
0.028
0.041
0.217
0.262
0.2950.0104 0.0727 0.0748 0.0727 0.114
A
40
0.012
0.018
0.025
0.027
0.041
0.054
0.124
0.124
0.124
0.1040.0129 0.0180 0.0179 0.0180 0.0238 0.0129
1.00 0.73 0.73 0.72 0.79 0.681.00 2.2
1.0
22.7
18.54.0
2.2
4.010 0
9294 74
4.56 x
10-2 12.2
0.88 10
1.8
6o 5
225 0.51 1.0
40
13920.5 1.0 137,065
_
0
0
284
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Oak Ridge National Laboratory. The Oak Ridge National Laboratory Gas-Cooled Reactor, Part 3: Plant Design, report, January 4, 1958; Oak Ridge, Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc100273/m1/13/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.