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Abstrakty
The article analyses the formation and development of horseshoe vortices in a highpressure turbine stage rotor passage. Two turbine stages are examined: a standard performance stage, revealing regular performance characteristics and distributions of flow parameters, and a lowefficiency stage in which a large separation zone is observed in rotor passages. In the latter stage the interaction of the hub horseshoe vortex with the separation structures has been found to take a highly unsteady and periodic course and be a source of remarkable flow fluctuations.
Słowa kluczowe
Wydawca
Rocznik
Tom
Strony
147--158
Opis fizyczny
Bibliogr. 7 poz., rys.
Twórcy
autor
- Institute of Fluid-Flow Machinery, PAS, Fiszera 14, 80-952 Gdansk, Poland, jsk@imp.gda.pl
Bibliografia
- [1] Arnone A, Pacciani R and Sestini A 1995 ASME J. Fluids Engng 117 647
- [2] Arnone A and Pacciani R 1996 ASME J. Turbomachinery 118 679
- [3] Kost F, Hummel F and Tiedemann M 2000 Proc. ASME TURBO EXPO 2000, Munich, Germany, Paper 2000-GT-432, 11 p.
- [4] Świrydczuk J 2006 Systems – J. Transdisciplinary Systems Science 11 284 (in Polish)
- [5] Yershov S V and Rusanov A V 2001 TASK Quart. 5 459
- [6] Praisner T J and Smith C R 2006 ASME J. Turbomachinery 128 747
- [7] Praisner T J and Smith C R 2006 ASME J. Turbomachinery 128 755
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPG8-0009-0016