Effect of an oscillating time-dependent pressure gradient on Dean flow: transient solution

Beni-Suef University Journal of Basic and Applied Sciences

Table 2 Comparison of the present results obtained using the Riemann-Sum Approximation approach (RSA) with those of Jha and Yahaya [22] for the transient state skin frictions

		Skin friction at R = 1		Skin friction at R = λ
t	λ	Present work RSA (ω = 0)	Jha and Yahaya [22] exact solution	Present work RSA (ω = 0)	Jha and Yahaya [22] exact solution
0.2	1.2	0.0968	0.0967	0.0857	0.0856
	1.4	0.1871	0.1870	0.1496	0.1495
	1.6	0.2706	0.2713	0.1982	0.1987
	1.8	0.3390	0.3502	0.2292	0.2376
0.4	1.2	0.0968	0.0967	0.0858	0.0856
	1.4	0.1871	0.1870	0.1496	0.1495
	1.6	0.2714	0.2713	0.1988	0.1987
	1.8	0.3499	0.3502	0.2373	0.2376
SS	1.2	0.0967	0.0967	0.0856	0.0856
	1.4	0.1870	0.1870	0.1495	0.1495
	1.6	0.2713	0.2713	0.1987	0.1987
	1.8	0.3502	0.3502	0.2376	0.2376