Methodology of CFD computations applied for analysing flows through steam turbine exhaust hoods

• Autorzy: Gardzilewicz A. , Świrydczuk J. , Badur J. , Karcz M. , Werner R. , Szyrejko C.
• Języki publikacji: EN

Abstrakty

EN

In the paper three different approaches and different methods of the last stage and exhaust hood calculations are presented and discussed in details. Results of our investigations have been implemented in Polish power plants, another are under development.

Słowa kluczowe

EN

steam turbine; exhaust hood; CFD computation

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN
• Czasopismo: Transactions of the Institute of Fluid-Flow Machinery
• Rocznik: 2003
• Tom: nr 113
• Strony: 157--168
• Opis fizyczny: Bibliogr. 15 poz., tab., wykr.

Twórcy

autor

Gardzilewicz A.

• Turbine Aerodynamics Department, lnstitute of F]uid Flow Machinery, Polish Ącademy^of Scjencęls, Fiszera 14, 80-231 Gdańsk, Poland

autor

Świrydczuk J.

• Thermo-Chemical Power Department, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdańsk, Poland

autor

Badur J.

• ALSTOM Power Ltd, Elbląg, Poland

autor

Karcz M.

• Thermo-Chemical Power Department, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdańsk, Poland

autor

Werner R.

• ALSTOM Power Ltd, Elbląg, Poland

autor

Szyrejko C.

• ALSTOM Power Ltd, Elbląg, Poland

Bibliografia

• [1] Perycz S.: The effect of flow efficiency in diffusor on exit energy losses in steam turbine, 13, Heft 9,1961, (in German).
• [2] Traupel W.: Thermal Turbines, Band 3, Ed. Springer, Berlin 1967.
• [3] Statsny M., Feistauer M.: Flow in Annular Axial Radial Diffuser, ASME Poper 78 GT 133, 1978.
• [4] Zariankin A.: Analysis of design of turbine exhaust hood and possibilities of loss decrease, Tieploenergetika No. 3, 1995 (in Russian).
• [5] Ratliff P. et al.: Retrofit Todays Technology to Operating Steam Turbines, Report of Westinghouse, 1993
• [6] Dejean F., Mart C., Hartman O.: Three dimensional coupled flow calculation in the low pressure steam turbine last stage and exhaust hood for nominal and partial, Proc. Europen Conf. of Turbomachinery, London 1999.
• [7] Kardaś D., Gardzilewicz A.: CFD calculations of the steam turbine hood, Cieplne Maszyny Przepływowe Nr 115, Łódź 1999.
• [8] Biswas R., Stetter H.: Experimental investigation and exhaust hood in the steam model turbine, Proc. of 10th Conf. on Steam and Gas Turbine, Karlove Vary 1994.
• [9] Łuniewicz B., Gardzilewicz A., Zariankin A., Sołodov V., Marcinkowski S., Sowa R.: Modernisation of the 200 MW turbine exhaust hood, Proc. of Conf. on Modelling and Design Fluid Flow Machinery (Eds. by J. Badur et al.), Gdańsk 1997.
• [10] Gardzilewicz A., Karcz M., Badur J., Karpiuk R., Szyrejko C., Obrzut D.: Modernisation of the 360 MW turbine exhaust hood, Mat. III Konferencja Eksploatacji i Remonty Elektrowni, Słok, 2001 (in Polish),
• [11] Badur J, Solodov V, Karcz M, Kucharski R.: Low Frequency Excitations at Outlet Socket of LP 13K235 Turbine Part. Geometry and Calculation Mesh of Outlet Socket, Internal Report of IFFM, 2818/02, Gdańsk 2002, (in Polish).
• [12] Zariankin A. et al.: Investigations of Model Turbine Exhaust Hoods, Report of MEI, nr 4, Moscow
• [13] Internal Reports of ALSTOM Power, 2002,
• [14] Karcz M., Świrydczuk J., Gardzilewicz A.: Accuracy analysis of the coupling method used in numerical calculation of steam flow through the last stage and exhaust hood of the 200 MW turbine with ND33 outlet, Report of Diagnostyka Maszyn Ltd., Gdańsk, 2003,
• [15] Kreitmeier F., Greim R.: Optimisation of blade-diffuser interaction for improved turbine performance, Proc. of 5 th Europ. Conf. on Turbomachinery, Fluid Dynamics and Thermodynamics, (Ed. M.ˇStatsn´y et al.), Praha, 2003