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The paper presents a methodology which has led to improvement of the turbine stage performance in the regenerative steam extraction chamber area by introducing a ring which collects the leakage flow from the gaps over unshrouded rotor blade tips and directs it to the extraction chamber. A comparison is made between the results obtained for the initial design (without a ring) and the design with the ring mounted. The results obtained for the construction were calibrated using the data measured on a real turbine in a Polish power plant.
Słowa kluczowe
Wydawca
Rocznik
Tom
Strony
319--327
Opis fizyczny
Bibliogr. 5 poz., rys., tab.
Twórcy
autor
autor
- Institute of Fluid-Flow Machinery PASci, Fiszera 14, 80-952 Gdansk, Poland, {masz, gar}@imp.gda.pl
Bibliografia
- [1] Gardzilewicz A and Marcinkowski S 1993 Turbine Stage, Patent P 160-805, RP Patent Office, Warsaw (in Polish)
- [2] http://www.fluent.com
- [3] Marcinkowski S and Gardzilewicz A 1993 Protocols and Results of Steam Flow Measurements in LP Part of the Modernised Turbine 13K-215, Polaniec Power Plant, Diagnostyka Maszyn Report no. 06/93, Gdansk
- [4] Szymaniak M 2007 The Application of a Numerical Technique to Calculation of Steam Turbine Stages with Leakage Flows and Extractions, PhD Thesis, Gdansk (in Polish)
- [5] Marcinkowski S, Gardzilewicz A and Szymaniak M 2008 Inspection and Analysis of Erosion Threat for Last Stages in 200MW Turbine, Block 3, Kozienice Power Plant, Diagnostyka Maszyn Report no. 06/08, Gdansk (in Polish)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPG8-0042-0054