# Prediction of Boiling Heat Transfer Coefficient for Micro-Fin Using Mini-Channel
## 3 Databases and Methods
### Physical Properties
\begin{table}
\begin{tabular}{c c c c} \hline
**Source** & **Fluid** & **Work Conditions** & **N** \\ \hline [PERSON] et al. [29] & R1234 yf & \(x=0.19\)–0.99, \(P_{sat}=0.78\), \(D=3.64\), \(G=190\)–940, \(q=10\)–50 & 94 \\ [PERSON] et al. [30] & R134a & \(x=0.22\)–0.77, \(P_{sat}=0.49\)–0.61, \(D=8.62\), \(G=190\)–381, \(q=10\) & 47 \\ [PERSON] et al. [31] & R1234 ze(E) & \(x=0.16\)–0.98, \(P_{sat}=0.58\), \(D=2.64\), \(G=375\)–940, \(q=10\)–50 & 93 \\ [PERSON] et al. [10] & R1234 ze(E) & \(x=0.20\)–0.99, \(P_{sat}=0.58\), \(D=3.64\), \(G=190\)–940, \(q=10\)–50 & 96 \\ [PERSON] et al. [32] & R410A, R134a & \(x=0.10\)–1.00, \(P_{sat}=0.76\)–242, \(D=8.15\), \(G=80\)–600, \(q=14\)–74–22 & 296 \\ [PERSON] et al. [33] & R22 & \(x=0.16\)–0.81, \(P_{sat}=0.60\), \(D=9.32\), \(G=100\)–300, \(q=6\)–14 & 24 \\ [PERSON] et al. [34] & R410A & \(x=0.09\)–0.97, \(P_{sat}=1.09\), \(D=6.52\), \(G=100\)–300, \(q=10\)–20 & 66 \\ [PERSON] et al. [35] & R134a & \(x=0.15\)–0.91, \(P_{sat}=0.77\), \(D=5.45\), \(G=150\)–300, \(q=10\) & 14 \\ [PERSON] et al. [36] & R1234 ze(E) & \(x=0.14\)–0.95, \(P_{sat}=0.30\)–1.10, \(D=5.37\)–545, \(G=200\)–387, \(q=10\) & 88 \\ [PERSON] et al. [37] & R32 & \(x=0.02\)–0.99, \(P_{sat}=1.28\), \(D=3.61\), \(G=50\)–400, \(q=5\)–20 & 593 \\ [PERSON] et al. [38] & R32 & \(x=0.01\)–1.00, \(P_{sat}=1.28\), \(D=2.18\)–314, \(G=50\)–400, \(q=2\)–540 & 1609 \\ [PERSON] et al. [39] & R134a & \(x=0.06\)–0.88, \(P_{sat}=0.35\), \(D=8.92\), \(G=100\)–500, \(q=5\) & 87 \\ [PERSON] et al. [40] & R245 fa & \(x=0.18\)–0.99, \(P_{sat}=0.18\), \(D=4.5\), \(G=100\)–300, \(q=30\) & 26 \\ [PERSON] et al. [41] & R22 & \(x=0.10\)–0.90, \(P_{sat}=0.35\)–0.94, \(D=8.96\), \(G=250\), \(q=12\).5 & 27 \\ [PERSON] et al. [42] & R744 & \(x=0.16\)–1.00, \(P_{sat}=4.50\), \(D=3.26\), \(G=190\)–770, \(q=10\)–30 & 126 \\ [PERSON] et al. [43] & R32 & \(x=0.05\)–0.90, \(P_{sat}=0.93\)–1.47, \(D=4.50\), \(G=200\)–600, \(q=12\)–51 & 88 \\ [PERSON] et al. [44] & R134a & \(x=0.11\)–0.83, \(P_{sat}=0.57\), \(D=8.92\), \(G=25\)–150, \(q=1\)–15 & 90 \\ [PERSON] et al. [45] & R134a & \(x=0.20\)–0.99, \(P_{sat}=0.77\), \(D=3.64\), \(G=190\)–755, \(q=10\)–50 & 54 \\ [PERSON] et al. [46] & R22 & \(x=0.50\), \(P_{sat}=0.40\)–0.59, \(D=11.88\), \(G=50\)–150, \(q=5\)–30 & 38 \\ [PERSON] et al. [47] & R161 & \(x=0.06\)–1.00, \(P_{sat}=0.37\)–0.64, \(D=6.41\), \(G=100\)–250, & 197 \\  & \(q=28.15\)–49.29 & \(q=15.49\).29 \\ [PERSON] et al. [48] & R744 & \(x=0.02\)–0.78, \(P_{sat}=3.05\)–39.7, \(D=4.5\), \(G=212\)–530, \(q=15\)–45 & 72 \\ [PERSON] et al. [49] & R245 fa, R22, & \(x=0.04\)–1.00, \(P_{sat}=0.15\)–0.64, \(D=6.41\)–8.72, \(G=100\)–306.6, & 412 \\  & R141b, R161 & \(q=7\)–49.29 & \(q=7\)–49.29 \\ [PERSON] et al. [50] & R410A & \(x=0.20\)–0.98, \(P_{sat}=1.08\), \(D=6.7\)–6.8, \(G=100\)–300, \(q=5\)–20 & 346 \\ \hline Total & & & \\ \hline \end{tabular}
\end{table} 
Table 2: Summary of the micro-fin databases. Figure 4: Distribution of the mini-channel database: (**a**) saturation pressure, (**b**) heat flux, (**c**) mass flux, (**d**) quality, (**e**) work fluids. Figure 5: Distribution of the micro-fin database: (**a**) saturation pressure, (**b**) heat flux, (**c**) mass flux, (**d**) quality, (**e**) work fluids.