Title :
Design model of axial flow compressor for high temperature power plants by latest loss models
Author :
Eftari, M. ; Javaniyan, H.J. ; Shahhoseini, M.R. ; Rad, Michal
Author_Institution :
Dept. of Mech. Eng., Islamic Azad Univ., Tehran, Iran
Abstract :
Design models of axial flow compressor are developed for high temperature power plants with Closed Brayton Cycle for energy conversion. in recent years, many efforts have been done for modeling and predicting of performance of these compressors on different conditions of speed and pressure ratio because of costly empirical experiments, and still are developing. The models are based on a mean-line through-flow analysis for free-vortex flow, account for the profile, secondary, end wall and tip clearance losses in the cascades. In this work, models of Lieblein, Koch-Smith, Herrig, Johnsen-Bullock, Pollard-Gostelow, Aungier, Hunter-Cumpsty, Reneau are implemented to consider single stage compressor losses, stall and surge conditions and calculate the geometrical parameters of blade cascades. In this regard, following the presentation of solution algorithm, the obtained results of modeling will be examined.
Keywords :
Brayton cycle; blades; compressors; flow; gas turbines; power plants; Aungier model; Brayton Cycle Lieblein; Herrig model; Hunter-Cumpsty model; Johnsen-Bullock model; Koch-Smith model; Pollard-Gostelow model; Reneau model; axial flow compressor; blade cascades; closed Brayton cycle; design model; energy conversion; free-vortex flow; geometrical parameters; high temperature power plants; latest loss models; speed-pressure ratio; tip clearance losses; Blades; Correlation; Equations; Geometry; Mathematical model; Power generation; Predictive models; Axial flow compressor; Loss coefficient; One-dimensional modeling; gas turbine; performance characteristics;
Conference_Titel :
Thermal Power Plants (CTPP), 2011 Proceedings of the 3rd Conference on
Conference_Location :
Tehran
Print_ISBN :
978-1-4799-0591-1