Radial compressor unstable operation modelling

• Autorzy: Polansky J. , Hocko M.
• Konferencja: International Symposium on Compressor & Turbine Flow Systems Theory & Application Areas "SYMKOM" (11 ; 20-23.10.2014 ; Łódź, Polska)
• Języki publikacji: EN

Abstrakty

EN

Unstable operation of a compressor is a dangerous phenomenon which occurs during certain operating regimes of compressors in engine turbo-compressors and also in combustion turbines used in transport and stationary energetics equipment. It is manifested by a sudden change of pressure and speed of air flow at the output of the compressor and characteristic sounds, which result in intense vibration of the rotor blades and changes to the character of air flow in other parts of the device. Surge or stall can result in interruption of engine operation, or its destruction due to mechanical damage to the compressor blades or heat damage to the blades of the gas turbine. This is why the formation of unstable compressor modes is inadmissible and a great deal of attention is devoted to preventing it.

Słowa kluczowe

EN

surge; stall; compressor; CFD; PIV

PL

kompresor; silnik gazowy; silnik spalinowy

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka
• Rocznik: 2014
• Tom: nr 145
• Strony: 97--98
• Opis fizyczny: Bibliogr. 11 poz.

Twórcy

autor

Polansky J.

• New Technologies Research Centre University of West Bohemia Univerzitni 8, Plzen, Czech Republic

autor

Hocko M.

• Faculty of Aeronautics Technical University of Kosice Rampová 7, Kosice, Slovakia

Bibliografia

• [1] Gravdahl J.T., Egeland O.: Compressor Surge and Rotating Stall Modeling and Control, ISBN-13: 978-1-4471-1211-2, Springer, London,1999.
• [2] Hocko M., Polansky J.: Experimental modelling of unstable operation of a centrifugal compressor on a small jet engine in the laboratory, 11th World Congress on Computational Mechanics, 2014, Barcelona.
• [3] Hocko M.: Assessment of the ATCE State Based on Changes in Thermodynamic Parameters, thesis, pp. 338, 2003.
• [4] Ruzek J.: Theory of Aircraft Engines, Part I, Compressors, Turbines and a Combustion Chamber, University textbook VA AZ Brno, pp. 373, 1979.
• [5] Scheinherr A.: Usage of PIV in radial pump model, Master theses, University of West Bohemia, Faculty of Mechanical Engineering, 2011.
• [6] DANTEC: Dynamics Studio, FlowManager Software and Introduction to PIV Instrumentation (Software Users Guide), Skovlunde, 2000.
• [7] Polansky J., Kalmar L., Gaspar R.: Aerodynamic performance prediction of centrifugal fan with forward curved blades, Journal of Thermal Science, Vol. 22, NO 6, ISSN: 1003-2169, 2013.
• [8] Cyrus V., Polansky J.: Numerical simulation of the origins of flow pulsations in cascades of the rear blade rows in a gas turbine axial compressor using low calorific fuel. ASME journal 2010, No. 132/3, p. 31012/1-11. ISSN: 0889-504X.
• [9] Cyrus V., Polansky J., Wurst P.: Advanced axial flow fan stage for power stations with environmental equipment. 7th European conference on Turbomachinery, 2007, Athens.
• [10] Polansky J., Kalmar L., Gaspar R.: Aerodynamic performance prediction of centrifugal fan with forward curved blades, Journal of Thermal Science, Vol. 22, No. 6, 2013, pp. 517-521, ISSN: 1003-2169, 2013.
• [11] Wu Y., Liu S., Yuan, H., Shao, J.: PIV Measurements on Internal Instantaneous Flows of a Centrifugal Pump. Sci China Tech Sci, 2011, 54: pp 270-276, doi: 10.1007- s11431-010-4262-3.