Centrifugal Compressor LEI ZHOU MMAE UCF. Spec. of top cycle compressor Pr=2.42 Working fluid: Neon Mass flow rate: 0.51 kg/s Inlet pressure: 2 atm Inlet.

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Presentation transcript:

Centrifugal Compressor LEI ZHOU MMAE UCF

Spec. of top cycle compressor Pr=2.42 Working fluid: Neon Mass flow rate: 0.51 kg/s Inlet pressure: 2 atm Inlet temperature: 310K Outlet pressure: 4.84 atm Outlet Temperature: 365K Shaft power: 85 kW

Preliminary design of top cycle compressor Impeller size: 10 cm Shaft power: 85 kW Revolution speed per minute(RPM): 50K Heat sink of intercooler: 36 kW Heat sink of 2 nd stage: 38 kW Stage efficiency: 83%

Possible motor/compressor Turbocor integrated motor/compressor –R134a 2-stage centrifugal compressor –Oil-free –100 kW motor –Compact design –High reliability

Possible motor/compressor Capstone microturbine –Single stage centrifugal compressor –30 kW compression power –Compact –Oil-free

Turbo expander Very low temperature turbo expander (turbo expander of bottom cycle) –Helium expander –Expansion from 20K to 15K –Impeller size: 3 cm –Mass flow rate: 49 g/s –Power: 1.5 kW