Chemical Process Design

Chemical Process Design Chemical Process Design

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STEAM TURBINE SH-25 GAS TURBINE COMPRESSORS 22

Centrifugal pumps selection guide. (*)single-stage > 1750 rpm, multi-stage 1750 rpm (Sinnot, R, Towler, G., 2009) SHORT CUT for PUMPS SIZING Centrifugal pumps the most common. Assumptions: Isothermal conditions Brake horsepower: P1 W b = µ Centrifugal Diaphragm Rotary gear and similar ( P P ) ρ η Normal operating range of pumps Type Capacity Range (m 3 /h) Reciprocating Rotary sliding vane or similar Pump: η P =0.5 (less than η C =0.8 because frictional problems in L); Motor: η M =0.9 W b

STEAM TURBINE SH-25 GAS TURBINE<br />

COMPRESSORS<br />

22

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