Aerodynamic anhancement in inner channel of turbine blade

• Autorzy: Kaczyński P. , Szwaba R. , Puchowski B. , Doerffer P. , Flaszyński P.
• Języki publikacji: EN

Abstrakty

EN

This paper presents the numerical and experimental study of the flow structure in a radial cooling passage model of a gas turbine blade. The investigations focus on the flow aerodynamics in the channel, which is an accurate representation of the configuration used in aero engines. The flow structure and pressure drop were measured by classical measurement techniques. The stagnation pressure and velocity measurements in a channel outlet plane were performed. The investigations concerning the flow field and heat transfer used in the design of radial cooling passages are often developed from simplified models. It is important to note that real engine passages do not have perfect rectangular cross sections, but include corner fillets, ribs with fillet radii and special orientation. Therefore, this work provides detailed fluid flow data for a model of radial cooling geometry which possesses very realistic features. The main purpose of these investigations was to study different channel configurations and their influence on the flow structure and pressure losses in a radial cooling passage of a gas turbine blade.

Słowa kluczowe

EN

turbine blade; internal channel; radial passage; blade cooling

• Wydawca: Politechnika Gdańska
• Czasopismo: TASK Quarterly : scientific bulletin of Academic Computer Centre in Gdansk
• Rocznik: 2015
• Tom: Vol. 19, No 2
• Strony: 101--110
• Opis fizyczny: Bibliogr. 5 poz., rys., tab.

Twórcy

autor

Kaczyński P.

• Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-952 Gdansk, Poland

autor

Szwaba R.

• Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-952 Gdansk, Poland

autor

Puchowski B.

• Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-952 Gdansk, Poland

autor

Doerffer P.

• Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-952 Gdansk, Poland

autor

Flaszyński P.

• Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-952 Gdansk, Poland

Bibliografia

• [1] Metzger D E and Larson D E 1986 ASME J. Heat Transfer 96 459
• [2] Kim R, Mochizuki S and Murata A 2001 ASME J. Heat Transfer 123 675
• [3] Arts T, Benocci C and Rambaud P 2007 3 rd International Symposium on Integrating CFD and Experiments in Aerodynamics, U. S. Air Force Academy
• [4] http://www.ericka.eu
• [5] Cakan M 2000 Aero-thermal Investigation of Fixed Rib-roughened Internal Cooling Passages, Ph.D. Thesis, Turbomachinery Department, Von Karman Institute for Fluid Dynamics