\begin{table}%t1
%\centering
\par
\caption{Correlation coefficients properties (Inviscid case).}\label{table1}
\begin{tabular}{cccccc}   
\hline \hline   
$\partial_r \Omega$ & $C_{r\phi}^l$ & $C_r^{n}$ & $C_\phi^{n}$ & $C_z^{n}$ & $C^{n}$\\   
\hline
$ >$0  & $ <$0  & $>$0 & $<$0 & $0$ & $<$0\\   
$ <$0 & $>$0 & $<$0 & $>$0 & $0$ & $<$0\\   
\hline   
\end{tabular}   
\end{table}