Numerical Study on Turbulent Forced Convection and Heat Transfer Characteristic in a Circular Tube with V-Orifice

Table 2

The validations of the Nusselt number and friction factor for the smooth tube.

Re	Exact solution		Present prediction		Error (%)
	Nu		Nu		Nu
3000	10.03803	0.04556	10.56550	0.04877	5.25470	7.04776
4000	13.54157	0.04144	13.84410	0.04323	2.23410	4.30488
6000	19.61155	0.03652	20.68550	0.03955	5.47613	8.27531
8000	24.99410	0.03355	24.89550	0.03452	−0.39450	2.89340
10000	29.96493	0.03148	31.22000	0.03222	4.18847	2.33704