| Gravitational Acceleration (Sea Level): |
Avogadro’s Number: |
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g = 9.807 m/s2
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N = 6.024 x 1023 molecules/mol
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Planck’s Constant:
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Boltzmann’s Constant:
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h = 6.625 x 10-34 J · s/molecule
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k = 1.380 x 10-23 J/K · molecule
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Speed of Light in Vacuum:
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Stefan-Boltzmann Constant:
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c0 = 2.998 x 108 m/s
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σ = 5.670 x 10-8 W/m2 K4
= 0.1714 x 10-8 Btu/h · ft2 · °R 4
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Blackbody Radiation Constants:
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Universal Gas Constant:
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C1 = 3.7420 x 108 W · μm4/m2
= 1.187 x 108 Btu/h · μm4/h · ft2
C2 = 1.4388 x 104 · μm · K
= 2.5897 x 104 · μm · °R
C3 = 2897.8 μm · K
= 5215.6 μmm · °R
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R = 8.205 x 10-2 m3 · atm/kmol · K
= 8.314 x 10-2 m3 · bar/kmol · K
= 8.315 kJ/kmol · K
= 1545 ft · lbf /lbmole · °R
= 1.986 Btu/lbmole · °R
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Normal Atmospheric Pressure:
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p = 101,325 N/m2
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