A compartment based inlet particle separator system for an aircraft that includes an auxiliary power unit (APU) system compartment is provided. The system includes a separation barrier wall, a ram air inlet opening, a diffuser, and an inlet particle separator (IPS). The separation barrier wall is disposed within the APU system compartment and divides the APU system compartment into two compartments. The ram air inlet opening is formed one of the compartments. The diffuser receives ram air from a ram air inlet opening and discharges ram air into a compart...
1. A compartment based inlet particle separator system for an aircraft that includes an auxiliary power unit (APU) system compartment, the system comprising: a separation barrier wall disposed within the APU system compartment and configured to divide the APU system compartment into an air inlet compartment and an APU compartment, the separation barrier wall having an APU air inlet port formed therein that provides fluid communication between the air inlet compartment and the APU compartment;a ram air inlet opening formed in the air inlet compartment for...
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