Viscosity of Gaseous Chlorodifluoromethane (R-22)

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  • 気体クロロジフルオロメタン（Ｒ‐２２）の粘性率
  • キタイ クロロジフルオロメタン R 22 ノ ネンセイリツ

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Viscosity of gaseous R-22 was measured using an oscillating disk viscometer of Maxwell type at 273.15-398.15K in the pressure range up to 60×105Pa. An empirical equation was obtained to represent viscosity at normal pressure as a function of temperature. Force constants for Lennard-Jones 12-6 potential were determined from observed viscosity values at normal pressure as follows: ε/k=214.8K, σ=4.971×10-10m.

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