Dynamical system analysis of unstable flow phenomena in centrifugal blower

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

Abstrakty

EN

Methods of dynamical system analysis were employed to analyze unsteady phenomena in the centrifugal blower. Pressure signals gathered at different control points were decomposed into their Principal Components (PCs) by means of Singular Spectrum Analysis (SSA). Certain number of PCs was considered in the analysis based on their statistical correlation. Projection of the original signal onto its PCs allowed to draw the phase trajectory that clearly separated non-stable blower working conditions from its regular operation.

Słowa kluczowe

EN

singular spectrum analysis; nonlinear dynamics; statistical pattern recognition; compressor; surge

PL

pojedyncza analiza widma; dynamika nieliniowa; rozpoznawanie wzorców; kompresor; fala

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka
• Rocznik: 2014
• Tom: nr 145
• Strony: 43--46
• Opis fizyczny: Bibliogr. 29 poz.

Twórcy

autor

Garcia D.

• Mechanical and Aerospace Engineering, University of Strathclyde 75 Montrose Street Glasgow G1 1XJ

autor

Stickland M.

• Mechanical and Aerospace Engineering, University of Strathclyde 75 Montrose Street Glasgow G1 1XJ

autor

Liśkiewicz G.

• nstitute of Turbomachinery, Lodz University of Technology 90-924 Łódź, Wólczańska 219/223

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