# Selection of a Photovoltaic Panel Cooling Technique Using Multi-Criteria Decision Analysis
## 4 Results and Discussion
\begin{table}
\begin{tabular}{c c c c c} \hline \multirow{2}{*}{**PV Panel Cooling Method (i)**} & \multicolumn{2}{c}{**Scenario 1: Entropy Weights**} & \multirow{2}{*}{**Rank C\({}_{i}\)**} \\ \cline{3-3} \cline{5-5}  & **D\({}_{i}\)\({}^{+}\) (Distance from the Best Ideal)** & **D\({}_{i}\)\({}^{-}\) (Distance from the Worst Ideal)** & **D\({}_{i}\)\({}^{-}\)/D\({}_{i}\)\({}^{+}\) + D\({}_{i}\)\({}^{-}\)** \\ \hline \hline AFC \({}^{\lx@sectionsign}\) & 0.0988 & 0.3237 & 0.7661 & 1 \\ \hline HFC & 0.2537 & 0.2048 & 0.4466 & 7 \\ \hline PCC & 0.3253 & 0.1018 & 0.2383 & 8 \\ \hline TCC & 0.2521 & 0.2292 & 0.4762 & 2 \\ \hline TPC & 0.2532 & 0.2291 & 0.4750 & 3 \\ \hline FFC & 0.2524 & 0.2224 & 0.4684 & 4 \\ \hline WSC & 0.2533 & 0.2219 & 0.4670 & 5 \\ \hline ESC & 0.2536 & 0.2219 & 0.4667 & 6 \\ \hline \multirow{2}{*}{PV panel cooling method (i)} & \multicolumn{2}{c}{Scenario 2: 65\% weight to reliability and the rest equal to 5\% each} & \multirow{2}{*}{Rank C\({}_{i}\)} \\ \cline{3-3} \cline{5-5}  & \(\text{D}_{i}\)\({}^{+}\) (distance from the best ideal) & \(\text{D}_{i}\)\({}^{-}\) (distance from the worst ideal) & \(\text{D}_{i}\)\({}^{-}\)/(\text{D}_{i}\)\({}^{+}\) + D\({}_{i}\)\({}^{-}\)) & Rank C\({}_{i}\) \\ \hline AFC & 0.0347 & 0.2473 & 0.8769 & 1 \\ \hline HPC & 0.1858 & 0.0768 & 0.2924 & 5 \\ \hline PCC & 0.0922 & 0.1803 & 0.6618 & 2 \\ \hline TCC & 0.1854 & 0.0812 & 0.3047 & 4 \\ \hline TPC & 0.2426 & 0.0555 & 0.1862 & 8 \\ \hline FFC & 0.1315 & 0.1301 & 0.4974 & 3 \\ \hline WSC & 0.2426 & 0.0588 & 0.1950 & 6 \\ \hline ESC & 0.2429 & 0.0587 & 0.1945 & 7 \\ \hline \multirow{2}{*}{PV panel cooling method (i)} & \multicolumn{2}{c}{Scenario 3: Equal weights to all} & \multirow{2}{*}{\(\text{D}_{i}\)\({}^{+}\) (distance from the best ideal)} & \(\text{D}_{i}\)\({}^{-}\)/(\text{D}_{i}\)\({}^{+}\) + D\({}_{i}\)\({}^{-}\)) & Rank C\({}_{i}\) \\ \cline{3-3} \cline{5-5}  & \(\text{D}_{i}\)\({}^{+}\) (distance from the best ideal) & \(\text{D}_{i}\)\({}^{-}\) (distance from the worst ideal) & \(\text{D}_{i}\)\({}^{-}\)/(\text{D}_{i}\)\({}^{+}\) + D\({}_{i}\)\({}^{-}\)) & Rank C\({}_{i}\) \\ \hline PCC & 0.1772 & 0.0896 & 0.3357 & 8 \\ \hline TCC & 0.1397 & 0.1399 & 0.5003 & 3 \\ \hline TPC & 0.1439 & 0.1388 & 0.4910 & 5 \\ \hline FFC & 0.1461 & 0.1381 & 0.4860 & 6 \\ \hline WSC & 0.1435 & 0.1469 & 0.5058 & 2 \\ \hline ESC & 0.1470 & 0.1466 & 0.4994 & 4 \\ \hline \multirow{2}{*}{PV panel cooling method (i)} & \multicolumn{2}{c}{Scenario 4: 60\% weight to cost and the rest total 40\%} & \multirow{2}{*}{\(\text{D}_{i}\)\({}^{+}\) (distance from the best ideal)} & \multirow{2}{*}{\(\text{D}_{i}\)\({}^{-}\)/(\text{D}_{i}\)\({}^{+}\) + D\({}_{i}\)\({}^{-}\))} & \multirow{2}{*}{Rank C\({}_{i}\)} \\ \cline{3-3} \cline{5-5}  & \(\text{D}_{i}\)\({}^{+}\) (distance from the best ideal) & \(\text{D}_{i}\)\({}^{-}\) (distance from the worst ideal) & \(\text{D}_{i}\)\({}^{-}\)/(\text{D}_{i}\)\({}^{+}\) + D\({}_{i}\)\({}^{-}\)) & Rank C\({}_{i}\) \\ \hline AFC & 0.0301 & 0.5623 & 0.9492 & 1 \\ \hline HPC & 0.0890 & 0.5016 & 0.8493 & 7 \\ \hline PCC & 0.5765 & 0.0497 & 0.0794 & 8 \\ \hline TCC & 0.0435 & 0.5768 & 0.9299 & 2 \\ \hline TPC & 0.0574 & 0.5761 & 0.9094 & 4 \\ \hline FFC & 0.0423 & 0.5552 & 0.9292 & 3 \\ \hline WSC & 0.0669 & 0.5499 & 0.8915 & 5 \\ \hline ESC & 0.0715 & 0.5499 & 0.8849 & 6 \\ \hline \end{tabular}
\end{table} 
Table 11: The PV panel cooling method’s distance from the best ideal and the worst cooling method and their ranks using various weighting scenarios.