Air And Gases Properties Uk Units.pdf

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Applications Guide Reference Data

Properties of Gases—Ref. 136

Physical Properties of Solids, Liquids and Gases Continued

Substance

*Density lb./ft3 0.073 0.076

Argon Butane Butylene Carbon Dioxide Carbon Monoxide

*Thermal Conductivity Btu-in. hr.-ft2-°F

0.35 0.240 0.4534 0.4580 0.523

0.129 0.18

0.103 0.1623 0.148 0.113 0.078

0.124

0.12 0.0876

0.199 0.248

0.12 0.18

Chlorine Chloroform Chloromethane Dichlorodifluoromethane (F-12) Ethyl Chloride

0.184

0.115 0.1441 0.24 0.143

0.06 0.046 0.0636 0.058 0.066

Ethylene Ethyl Ether Helium Hydrochloric Acid Hydrogen

0.0728 0.0104 0.0946 0.0056

0.40 0.4380 1.25 0.191 3.43

0.1212 0.0924 1.10

Hydrogen Sulfide Methane Nitric Oxide Nitrogen Nitrous Oxide

0.096 0.0447 0.0779 0.075 0.1143

0.2451 0.60 0.231 0.249 0.221

0.091 0.21 0.1656 0.19 0.1056

Oxygen Sulfur Dioxide Water Vapor (212°F)

0.082 0.179 0.0372

0.218 0.155 0.482

0.18 0.07 0.16

0.044

0.1309 0.329 0.1703

0.16

Reference Data

Acetylene Air Alcohol, Ethyl (Vapor) Alcohol, Methyl (Vapor) Ammonia

*Specific Heat at Constant Pressure Btu/lb. - °F

0.13

Properties of Air *—Ref. 137

* At 60°F and atmospheric pressure (14.7 psia) To convert to kg/m3 multiply lb/ft3 by 16.02 To convert to kJ/kg multiply Btu/lb by 2.326 To convert to kJ/kg-°C multiply Btu/lb-°F by 4.187 To convert to W/m-°C multiply BTU-in/hr-ft2-°F by 0.1442

Temperature (°F)

Specific Heat (Btu/lb.-°F)

Density (lb./ft3)

Temperature (°F)

Specific Heat (Btu/lb.-°F)

Density (lb./ft3)

0 50 100 150 200

0.240 0.240 0.240 0.241 0.242

0.086 0.078 0.071 0.065 0.060

600 650 700

0.252 0.253 0.254

0.037 0.035 0.034

250 300 350 400 450

0.243 0.244 0.245 0.247 0.248

0.056 0.052 0.049 0.046 0.043

750 800 850 900 950

0.256 0.257 0.258 0.260 0.261

0.033 0.032 0.030 0.029 0.028

500 550

0.249 0.250

0.041 0.039

1000 1050 1100 1150 1200

0.262 0.264 0.265 0.266 0.267

0.027 0.026 0.025 0.025 0.024

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