Skip to main content
. Author manuscript; available in PMC: 2023 Mar 17.
Published in final edited form as: J Chem Eng Data. 2021;66(12):10.1021/acs.jced.1c00654. doi: 10.1021/acs.jced.1c00654

Table 5.

Measured bubble point pressures for the system R1234yf (1) + R134a (2) at temperature T, pressure P, and liquid mole fraction xa.

x1 = 0.3199 ± 0.0001
T/K p/kPa u(p)/kPa (u(p)/p)*100 (1− p exp/ pEoS)*100
269.99 282.7 1.10 0.39 −0.60
279.99 399.3 1.15 0.29 −0.65
279.99 399.6 1.15 0.29 −0.58
289.99 549.3 1.22 0.22 −0.70
289.99 549.6 1.22 0.22 −0.65
299.99 739.7 1.50 0.20 −0.58
299.99 739.8 1.50 0.20 −0.56
309.99 975.1 1.62 0.17 −0.56
309.99 974.5 1.62 0.17 −0.62
319.99 1262.0 2.07 0.16 −0.60
319.99 1261.8 2.07 0.16 −0.62
329.99 1609.3 2.24 0.14 −0.56
329.99 1608.6 2.24 0.14 −0.60
339.99 2024.3 2.44 0.12 −0.53
339.99 2023.2 2.44 0.12 −0.58
349.99 2516.9 2.70 0.11 −0.49
349.99 2515.1 2.70 0.11 −0.56
359.99 3098.6 3.03 0.10 −0.50
359.99 3095.7 3.03 0.10 −0.59
x1 = 0.6467 ± 0.0000
T/K P/kPa u(P)/kPa (u(P)/P)*100 (Pexp/PEoS − 1)*100
269.99 289.9 0.81 0.28 −0.69
269.99 290.0 0.81 0.28 −0.64
279.99 406.9 0.88 0.22 −0.70
279.99 407.0 0.88 0.22 −0.69
289.99 557.8 0.97 0.17 −0.53
289.99 556.5 0.97 0.17 −0.75
289.99 556.5 0.97 0.17 −0.75
299.99 745.2 1.30 0.17 −0.67
299.99 745.2 1.30 0.17 −0.67
309.99 977.0 1.43 0.15 −0.71
309.99 976.8 1.43 0.15 −0.73
319.99 1259.8 1.90 0.15 −0.68
319.99 1259.3 1.90 0.15 −0.72
329.99 1599.0 2.07 0.13 −0.72
339.99 2005.3 2.28 0.11 −0.64
339.99 2003.8 2.28 0.11 −0.71
349.99 2482.2 2.54 0.10 −0.73
349.99 2482.9 2.54 0.10 −0.71
359.99 3047.8 2.86 0.09 −0.74
359.99 3047.6 2.86 0.09 −0.75
a

Standard uncertainties u are u(T) = 0.02 K, values of u(p) and u(x1) are given in the table.