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

Table 5

Plenum exit mass flow and aspiration percentage of inlet mass flow.

𝑁harm	Thermal BC	𝑚̇inlet kg/s	𝑚̇plenum kg/s	% of 𝑚̇inlet
3	Adiabatic	24.63	0.1521	0.618
2	Isothermal	24.88	0.1376	0.553