Generalized Compressibility Chart

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Generalized Compressibility Chart When p, p c, T, T c, v, and are used in consistent units, Z, p R, and T R are numerical values without units. Example: For air at 200 K, 132 bar, T R = 200 K/133 K = 1.5, p R = 132 bar/37.7 bar = 3.5 where T c and p c for air are from

  Compressibility