$\alpha <{\alpha }_{lim}$

${\alpha }_{lim}<{\alpha }_{lim}<{\alpha }_1$

$\alpha >{\alpha }_1$

$Lg\rho \sin \varphi -RQ$

negative (−ve)

positive (+ve)

positive (+ve)

$\frac{\partial \alpha }{\partial \xi }$

positive (+ve)

negative (−ve)

positive (+ve)

positive $1-S^2$

negative (−ve)

negative (−ve)

positive (+ve)