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Centrifugal Compressor

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.

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Centrifugal Compressor

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  1. Centrifugal Compressor LEI ZHOU MMAE UCF

  2. 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

  3. 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 2nd stage: 38 kW • Stage efficiency: 83%

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

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

  6. 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

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