Efficiencies of Turbomachines and Modelling in Chapter 2
Explore the efficiencies of turbines and pumps in Chapter 2, including hydraulic, mechanical, and volumetric efficiencies, as well as overall efficiency calculations. Visual aids and detailed explanations are provided to enhance understanding.
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Presentation Transcript
Chapter 2 Efficiencies of Turbomachines and Modelling 2-1 Efficiency of Turbine h// Pf h Qr P Pin PO Hi, Q Q2 Roter h2 Efficiencies of Turbine: - Hydraulic Efficiency h h h == . (2.4) h h - Mechanical Efficiency m P =o .. ..(2.5) P m - Volumetric Efficiency v Q =r .. . . (2.6) Q v Total (overall) efficiency 1
P =o P in (2.7) = v m h 2
2-2Efficiencies of Pump Q He Po h Pi Q Hi P Q h - Hydraulic Efficiency ( ) h =h (2.11) h h - Mechanical efficiency( ) m =P .(2.12) P in m - Volumetric Efficiency ( ) V Q . .(2.13) = Q+Q V - Overall efficiency P =o P in = .(2-14) v m h 3
