Compressors and Power Generation in Industrial Applications
Explore the world of compressors, from volumetric and dynamic types to power generation mechanisms using compressible fluids. Learn about energy balance and Mollier diagrams for efficient operation. Dive into the intricacies of compressor technology and power generation in various industrial settings.
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Presentation Transcript
Lecture 8.1. Compressors held at 16/3 2021
Volumetric, piston, 2 stages Note different cylinder sizes
Dynamic compressors Industrial, 8 stage radial Jet engine, centrifugal and axial stages
Power: Compressors pump compressible fluid Pump power relation: dw=Qdp Isentropic (adiabatic) gas approximation: By integration = k k pQ pQ 1 1 1 k p p p k 2 k = = 2 1 w Qdp p Q 1 1 i 1 k 1 p 1
Power: Energy balance = + pdQ Qdp + dw mc dT Energy balance: v + H = E pV Enthalpy: i dw dH Combined ( ) , H p S 2 degrees of freedom, e.g.:
( ) Mollier diagram: , H p S
