Theoretical Study of Convection Heat Transfer and Fluid Dynamics in Microchannels with Arrayed Microgrooves

Table 2

The test results of grid independency for fRe and Nu and computational time.

Analytical solution fRe = 24, Nu = 7.54
Grids	fRe	Error	Sec	Grids	Nu	Error	Sec
20  20	21.165	11.8	0.3	40  40	6.826	9.45	4.7
30  30	23.834	0.69	0.9	60  60	7.173	4.87	10.2
40  40	23.926	0.31	2.3	80  80	7.531	0.12	16.7
60  60	24.016	0.00	6.1	120  120	7.542	0.02	22.8
80  80	24.016	−0.00	12.6	160  160	7.542	0.02	30.4