Investigation of Performance and Rotor Tip Flow Field in a Low Speed Research Compressor with Circumferential Groove Casing Treatment at Varying Tip Clearance

Table 2

Stalling flow coefficients and percentage reduction of stall mass flow for each configuration.

	Configuration
1.2%	SolidWall	0.388	0%
	Groove	0.387
2.5%	SolidWall	0.410	5.1%
	Groove	0.389
3.7%	SolidWall	0.435	6.9%
	Groove	0.405
5.0%	SolidWall	0.432	3.0%
	Groove	0.419