Detailed Unsteady Simulation of a Counterrotating Aspirated Compressor with a Focus on the Aspiration Slot and Plenum

Table 1

Aerodynamic parameters of rotor one and rotor two designs.

	Rotor one	Rotor two
Tip speed (m/s)	442.0	350.5
Pressure ratio	1.92	1.60
Adiabatic efficiency (%)	91.2	86.6
Average 𝑀rel	1.26	1.40