International Journal of Rotating Machinery / 2015 / Article / Fig 4

Research Article

Conjugate Heat Transfer Study of Combined Impingement and Showerhead Film Cooling Near NGV Leading Edge

Figure 4

Experimental test rig. 1: DC motor 75 kW 1500 rpm, 2: centrifugal air blower 14 m3/s, 3: diffuser, 4: honeycomb, 5: mesh, 6: settling chamber, 7: converging duct, 8: test section, 9: cascade, 10: rotameter, 11: flow control valve, 12: heat exchanger, 13: condensing unit, 14: thermostatic expansion valve, 15: condenser, 16: refrigerant compressor, 17: bypass, 18: air dryer, and 19: reciprocating air compressor.

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