Fig. 6

Results of the present work and Caldwell and Kwan’s results27 under the boundary condition \({\theta }_{0}\left(\tau \right)=1+{\tau }^{2}\) in a cylindrical tank.

Results of the present work and Caldwell and Kwan’s results27 under the boundary condition \({\theta }_{0}\left(\tau \right)=1+{\tau }^{2}\) in a cylindrical tank.