## 5 Outlook and Perspective
### Comparing Obtained Results with Prior Available Data
\begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline \multirow{2}{*}{**Research**} & \multirow{2}{*}{**App.**} & \multicolumn{2}{c}{**Material Features**} & \multicolumn{4}{c}{**Results**} \\ \cline{3-8}  & & & \multirow{2}{*}{**\(\gamma\)**} & \multicolumn{2}{c}{**Erosion**} & \multirow{2}{*}{**Year**} & \multirow{2}{*}{**Ref.**} \\ \cline{3-8}  & & & **Material** & & & & **Depth** & **Diameter** \\  & & & & & **(\(\mu\)m)** & **(mm)** & & \\ \hline \multicolumn{8}{c}{} \\ Damaging effects of the & \multirow{2}{*}{Exp. \& The.} & \multirow{2}{*}{2S Al} & \multirow{2}{*}{Flat} & \multirow{2}{*}{0.23} & \multirow{2}{*}{-} & \multirow{2}{*}{0.350} & \multirow{2}{*}{1961} & [49] \\ various cavities & & & & & & & & \\ \hline Cavitation bubble in water and & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Al} & \multirow{2}{*}{Flat} & \multirow{2}{*}{0.30} & \multirow{2}{*}{8} & \multirow{2}{*}{0.570} & \multirow{2}{*}{1998} & [10] \\ the resulting surface damage & & & & & & & & \\ \hline \multicolumn{8}{c}{} \\ Probing the erosion–corrosion & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Ti alloys} & \multirow{2}{*}{Flat} & \multicolumn{4}{c}{The cavitation–corrosion resistance of} \\ and cavitation–corrosion of & & & & Ti alloys are in the sequence of: & \multirow{2}{*}{2001} & [50] \\ Ti alloys & & & & Ti–6 Al–4V ELI/Ru \(>\) Ti–6 Al–4V ELI \(>\) & & & \\ \multicolumn{8}{c}{} \\ \multicolumn{8}{c}{} \\ Evolution of metallic materials & \multirow{2}{*}{Exp.} & \multirow{2}{*}{316L SS} & \multirow{2}{*}{Roughened} & \multicolumn{4}{c}{The erosion resistance of metallic} \\ (316L stainless steel (SS), CP Ti, & & Ti & & & materials is in the sequence of: & \multirow{2}{*}{2005} & [53] \\ and brass) in regards to & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Brass} & \multirow{2}{*}{316L SS \(>\) Ti \(>\) Brass} & \multirow{2}{*}{2005} & \multirow{2}{*}{[51]} \\ cavitation erosion & & & & & & & \\ \hline Investigation of the erosion effects & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Al} & \multirow{2}{*}{Flat} & \multirow{2}{*}{-} & \multirow{2}{*}{40} & \multirow{2}{*}{1.500} & \multirow{2}{*}{2013} & [51] \\ of ultrasonic cavitation & & & & & & & \\ \hline Probing the advanced stages of & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Ni-Al bronze alloy} & \multirow{2}{*}{Flat} & \multirow{2}{*}{-} & \multirow{2}{*}{450} & \multirow{2}{*}{5.00} & \multirow{2}{*}{2014} & [52] \\ erosion characteristics & & & & & & & & \\ \hline Prediction of cavitation erosion & \multirow{2}{*}{CFD} & \multirow{2}{*}{Erosive Power Method (EFM) was proposed to predict of cavitation} & \multirow{2}{*}{2019} & [54] \\ on propellers & & & & & & & & \\ \hline Control of cavitation-induced & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Al} & \multirow{2}{*}{Riblet} & \multirow{2}{*}{0.9} & \multirow{2}{*}{32} & \multirow{2}{*}{200.000} & \multirow{2}{*}{2021} & [17] \\ erosion created by collapse of & & & & & & & \\ bubbles using riblets & & & & & & & \\ \hline \multicolumn{8}{c}{} \\ \multirow{3}{*}{Ofering a passive control method to control the dynamics of cavitation} & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Al} & \multirow{2}{*}{Riblet} & \multirow{2}{*}{0.6–1.8} & \multirow{2}{*}{432.281} & \multirow{2}{*}{0.350} & \multirow{2}{*}{2024} & \multirow{2}{*}{[9]} \\  & & & & & & & \\ \hline \multicolumn{8}{c}{} \\ Examination the temperature & \multirow{4}{*}{Exp.} & \multirow{4}{*}{Al} & \multirow{2}{*}{Riblet} & \multirow{2}{*}{1.8} & \multirow{2}{*}{415.541} & \multirow{2}{*}{0.245} & \multirow{2}{*}{2024} & \multirow{2}{*}{Present work} \\ effects on hydrodynamic & & & & & & & \\ cavitating flows and intensity of & & & & & & \\ \hline \multicolumn{8}{c}{} \\ \multirow{3}{*}{Evaluating the effects of materials on erosion} & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Al} & \multirow{2}{*}{Flat} & \multirow{2}{*}{1.8} & \multirow{2}{*}{436.115} & \multirow{2}{*}{0.320} & \multirow{2}{*}{2024} & \multirow{2}{*}{Present work} \\ \hline \multicolumn{8}{c}{} \\ Evaluating the effects of riblets & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Al} & \multirow{2}{*}{Flat} & \multirow{2}{*}{1.8} & \multirow{2}{*}{432.281} & \multirow{2}{*}{0.350} & \multirow{2}{*}{2024} & \multirow{2}{*}{Present work} \\ on erosion & & & & & & & \\ \hline \multicolumn{8}{c}{} \\ Evaluating the effects of materials on erosion & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Al} & \multirow{2}{*}{Riblet} & \multirow{2}{*}{1.8} & \multirow{2}{*}{415.541} & \multirow{2}{*}{0.245} & \multirow{2}{*}{2024} & \multirow{2}{*}{Present work} \\ \hline \multicolumn{8}{c}{} \\ Evaluating the effects of materials on erosion & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Brass} & \multirow{2}{*}{Flat} & \multirow{2}{*}{1.8} & \multirow{2}{*}{346.115} & \multirow{2}{*}{0.320} & \multirow{2}{*}{2024} & \multirow{2}{*}{Present work} \\ \hline \multicolumn{8}{c}{} \\ Evaluating the effects of riblets & \multirow{2}{*}{Exp.} & \multirow{2}{*}{Brass} & \multirow{2}{*}{Flat} & \multirow{2}{*}{1.8} & \multirow{2}{*}{318.553} & \multirow{2}{*}{0.225} & \multirow{2}{*}{2024} & \multirow{2}{*}{Present work} \\ on erosion & & & & & & & \\ \hline \multicolumn{8}{c}{} \\ \multicolumn{8}{c}{} \\ \multicolumn{8}{c}{} \\ \hline \hline \end{tabular}
\end{table}