TURBINE CASCADE OPTIMIZATION AGAINST SOLID PARTICLE EROSION AND DEPOSITION �ON BLADES

Abstract

PRESENT TECHNOLOGY TURBINE CASCADES ARE OPTIMIZED FOR MAXIMUM AERODYNAMIC PERFORMANCE. THE FUTURE USE OF COAL NECCESSITATES THE PROTECTION OF THE TURBINE FROM SOLID FLY-ASH PARTICLE EROSION AND DEPOSITION. THE THESIS PRESENTS ANOPTIMIZATION METHOD FOR MINIMUM DEPOSITION OF PARTICLES IN THE SIZE RANGE 0,1 - 1 ΜM, WHILE THE TOTAL PRESSURE LOSSES ARE KEPT TO ACCEPTABLE LEVELS. DEPOSITION MAY BE REDUCED BY 40% WITH LOSSES INCREASED BY 50% FROM THEIR NOMINAL VALUE.

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DOI
10.12681/eadd/2941
Handle URL
http://hdl.handle.net/10442/hedi/2941
ND
2941
Alternative title
ΒΕΛΤΙΣΤΟΠΟΙΗΣΗ ΠΤΕΡΥΓΩΣΕΩΝ ΣΤΡΟΒΙΛΩΝ ΜΕ ΣΚΟΠΟ ΤΗΝ ΕΛΑΧΙΣΤΟΠΟΙΗΣΗ ΤΩΝ  ΠΡΟΣΚΡΟΥΣΕΩΝ ΚΑΙ ΤΗΣ ΟΛΙΚΗΣ ΕΝΑΠΟΘΕΣΗΣ ΣΤΕΡΕΩΝ ΣΩΜΑΤΙΔΙΩΝ ΣΤΙΣ ΑΕ...
Author
Kladas, Dionysios (Father's name: D.)
Date
1993
Degree Grantor
University of Patras
Committee members
ΠΑΠΑΗΛΙΟΥ ΔΗΜΟΣΘΕΝΗΣ
ΠΑΠΑΝΙΚΑΣ ΔΗΜΗΤΡΗΣ
ΓΕΩΡΓΙΟΥ ΔΗΜΟΣΘΕΝΗΣ
ΜΑΣΟΥΡΟΣ ΓΕΩΡΓΙΟΣ
ΤΣΑΧΑΛΗΣ ΔΗΜΟΣΘΕΝΗΣ
ΜΑΡΓΑΡΗΣ ΔΙΟΝΥΣΙΟΣ
Discipline
Engineering and Technology
Mechanical Engineering
Keywords
BLADE; Deposition; Optimization; TRAJECTORIES; TURBINE CASCADE
Country
Greece
Language
Greek
Description
233 σ.
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