TABLE II.

Comparing the critical size from the proposed formula with the known existing theory.

$\epsilon$	Re	$\frac{D_{\mathrm{c}}}{g}$ obtained from proposed formula [Eq. (14)]	$\frac{D_{\mathrm{c}}}{g}$ obtained from known existing theory [Eq. (2)]	Absolute relative error
$\frac{1}{5}$	0.01	0.554	0.574	0.03
$\frac{1}{5}$	5	0.527	0.574	0.08
$\frac{1}{5}$	20	0.453	0.574	0.21
$\frac{1}{8}$	0.01	0.441	0.442	0.002
$\frac{1}{8}$	20	0.362	0.442	0.18
$\frac{1}{15}$	0.01	0.327	0.315	0.04
$\frac{1}{15}$	20	0.267	0.315	0.15