Experimental Investigation on Flow Field Characteristics of Impinging-Film Cooling

Table 1

Operating Conditions for PIV Experiments.

Blowing ratio	Temperature ratio	Jet-to-plate pitch	Spacing of jet holes
0.04, 0.1, 0.3	0.73, 0.82, 0.91	2.4	3.5
0.04, 0.1, 0.3	0.73	1.6	3.5
0.04, 0.1, 0.3	0.73	3.2	3.5
0.04, 0.1, 0.3	0.73	2.4	2.5
0.04, 0.1, 0.3	0.73	2.4	1.94