A Novel Approach to Evaluate the Benefits of Casing Treatment in Axial Compressors

Table 2

Design features of the NASA Rotor 37 [20].

Number of blades	36
Tip radius at leading edge	252 mm
Aspect ratio	1.19
Hub-tip radius ratio	0.70
Tip solidity	1.288
Tip clearance height	0.356 mm
Rotation speed	17188.7 rpm
Tip speed	457 m/s
Total pressure ratio	2.106
Adiabatic efficiency	0.877
Design mass flow	20.188 kg·s^−1
Choked mass flow	20.93±0.14 kg·s^−1