Encyclopedia of Environmental Science and Engineering, Volume I and II

APPENDIX 1335

TABLE 5

Standard atmosphere (continued)

Altitude (m) Temperature (C) Pressure (mb) Density (kg/m^3 )

11,100 56.5 223.5 0.3593

11,500 56.5 209.8 0.3374

12,000 56.5 194.0 0.3119

13,000 56.5 165.8 0.2666

14,000 56.5 141.7 0.2279

15,000 56.5 121.1 0.1948

16,000 56.5 103.5 0.1665

17,000 56.5 88.5 0.1423

18,000 56.5 75.6 0.1216

19,000 56.5 64.7 0.1040

20,000 56.5 55.3 0.0889

25,000 51.6 25.5 0.0401

30,000 46.6 12.0 0.0184

35,000 36.6 5.6 0.0085

40,000 22.8 2.9 0.0040

45,000 9.0 1.5 0.0020

50,000 2.5 0.8 0.0010

60,000 17.4 0.225 0.000306

70,000 53.4 0.055 0.000088

80,000 92.5 0.010 0.000020

90,000 92.5 0.002 0.000003

TABLE 6

Dynamic viscosity of gases in absolute CGS units

Temperature C Air N 2 O 2 CO 2 CO H 2 CH 4 C 2 H 4 C 2 H 6 Water vapour

 160 78.1 77.1 87.9 — 74.4 46.0 44.9 — — —

 140 92.0 90.0 103 — 87.4 51.5 52.8 — — —

 120 105 103 117 — 99.9 56.8 60.5 — — —

 100 117 114 131 — 112 61.8 68.1 62 — —

 80 129 126 144 — 124 66.5 75.1 68 — —

 60 140 136 157 108 135 71.1 82.5 74 — —

 40 151 147 169 118 145 75.6 89.3 81 — —

 20 162 157 181 127 156 79.9 95.9 88 — —

0 172 166 192 137 166 84.1 102 94 86 —

20 181 175 203 146 175 88.2 109 101 92 95.6

40 191 184 213 156 185 92.2 115 108 98 103

60 200 193 223 165 194 96.1 121 115 104 110

80 209 201 233 173 202 100.0 127 122 109 117

100 217 209 243 182 211 104 133 128 115 125

150 238 229 266 203 231 113 147 142 129 143

200 257 247 288 222 251 122 160 156 142 161

250 275 265 309 241 269 130 173 169 155 179

300 293 282 329 259 287 139 184 181 166 197

350 309 298 348 276 304 147 196 192 176 215

(continued)

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