Experimental Investigation on Flow Field Characteristics of Impinging-Film Cooling

Figure 3

Schematic diagram of the impinging-film cooling experimental system. 1-Single screw compressor; 2-Valve; 3-Electric heater; 4-Vortex flowmeter; 5-Metal grille; 6-Heat airflow chamber; 7-Laser; 8-Piston compressor; 9-Glass rotor flowmeter; 10-CCD camera; 11-Coolant airflow chamber; 12-PIV data processing system.