Calculation of Thermal Pressure Coefficient of R11, R13, R14, R22, R23, R32, R41, and R113 Refrigerants by 𝑝𝑉𝑇 Data

Table 3

The calculated values of 𝐴₁,𝐴₃,𝐴₄ using (11) and 𝐵₁,𝐵₃,𝐵₄ using (12) for different fluids and the coefficient of determination (𝑅²) [1, 6, 18, 30].

Fluid	𝐴1	𝐴3	𝐴4	𝑅^2	𝐵1	𝐵3	𝐵4	𝑅^2
R11	−1.1003	−5.2851 × 10^5	3.2477 × 10^7	0.9999	0.3293	9.1064 × 10^4	−7.0120 × 10^5	0.9999
R13	−1.2784	−2.9997 × 10^5	1.5854 × 10^7	0.9999	0.2582	9.5263 × 10^4	−1.9424 × 10^6	0.9999
R14	0.8257	4.5033 × 10^4	−5.9456 × 10^6	0.9998	0.0642	−402.0298	3.6911 × 10^5	0.9993
R22	8.1 × 10^−3	−1.5322 × 10^5	6.9130 × 10^6	0.9999	0.0988	1.6789 × 10^4	−8.9251 × 10^5	0.9998
R23	0.2352	−7.5616 × 10^4	3.1780 × 10^6	0.9998	0.0618	8402.7408	−4.5542 × 10^5	0.9993
R32	−0.1924	−1.2103 × 10^5	6.2039 × 10^6	0.9999	0.1290	1.7760 × 10^4	−1.0925 × 10^6	0.9995
R41	0.6315	8.2985 × 10^4	−1.0303 × 10^7	0.9999	0.0298	−7705.9129	1.0555 × 10^6	0.9988
R113	−0.9445	−8.5187 × 10^5	9.2993 × 10^7	0.9998	0.2258	9.8942 × 10^4	−1.1654 × 10^7	0.9995