Influence of Narrow Rectangular Channel () on Heat Transfer and Friction for V- and W-Shaped Ribs in Turbine Blade Applications

Table 4

comparison.

	Ribs			(°)
Present study	V-ribs	0.052	10	45°	20000/40000/60000	3.4/2.4/1.9
Present study	W-ribs	0.0416	12.5	45°		3.7/2.8/2.1
Abraham and Vedula [3]	V-ribs	0.08	10	45°	20000/35000	1.45/1.3
Abraham and Vedula [3]	W-ribs	0.08	10	45°		1.3/1.2
Prashant et al. [4]	V-ribs	0.125	16	45°	20000/40000/60000	1.6/1.45/1.25
Prashant et al. [4]	W-ribs	0.125	16	45°		1.45/1.2/1.05
Ravi et al. [10]	Angled ribs	0.125	16	45°	20000/40000/60000	1.15/1.1/1.05
Ravi et al. [10]	M-ribs	0.125	16	45°		0.95/0.85/0.8
Deng et al. [25]	Orthogonal ribs	0.1	—	90°	20000	1.8