Abstract
Some results of investigating the geometrical and jet impact on secondary flows and thermal state of cooled inter-profile end surfaces of gas turbine engine nozzles have been set forth under different secondary flows interaction degree in a blade channel.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Bogomolov, E.N., Vyatkov, V.V., and Remizov, A.E., Gazodinamika lopatochnykh ventsov i perekhodnykh kanalov sovremennykh turbin GTD (Gas Dynamics of Present-Day GTE Turbine Blade Rows and Transition Ducts), Moscow: RAS, 2012.
Khalatov, A.A., Vikhrevye tekhnologii aerotermodinamiki v energeticheskom gazoturbostroenii (Vortex Technologies of Aerothermodynamics in Power Gas Turbine Manufacture), vol. 7, Teploobmen i gidrodinamika v polyakh tsentrobezhnykh sil (Heat Transfer and Hydrodynamics in Centrifugal Force Fields), Kiev: Inst. Tekhnicheskoi teplofiziki NAN Ukrainy, 2008.
Bogomolov, E.N., On Joining of the Secondary Flow Zones in Turbine Cascades and its Influence on Tip Losses, Izv.Vuz. Av. Tekhnika, 1991, vol. 34, no. 3, pp. 25–31 [Soviet Aeronautics (Engl. Transl.), vol. 34, no. 3, pp. 24–29 ].
Bogomolov, E.N., Vyatkov, V.V., and Remizov, A.E., Influence of Secondary Flows in the Flow Direction Downstream of the Turbine Cascade, Izv.Vuz. Av. Tekhnika, 2003, vol. 46, no. 1, pp. 23–26 [Russian Aeronautics (Engl. Transl.), vol. 46, no. 1, pp. 36–42].
Bogomolov, E.N., Rabochie protsessy v okhlazhdaemykh turbinakh gazoturbinnykh dvigatelei s perforirovannymi lopatkami (Operating Cycles in Cooled Turbines of Gas Turbine Engines with Punched Blades), Moscow: Mashinostroenie, 1987.
Saumweber, C., Schulz, A., and Wittig, S., Free-Stream Turbulence Effects on Film Cooling with Shaped Holes, 2002, ASME Paper GT2002-30170.
Vinogradov, K.A., Karelin, D.V., Remizov A.E., and Didenko, R.A., Optimization of Film-Cooling Holes Shape by Principal Components Method and CFD, Proc. ASME Turbo Expo 2014: Turbine Technical Conference and Exposition, no. GT2014-26400
Lebedev, V.V., Impact of Cooling Jet Swirl on Film Cooling Efficiency and Gas Dynamics Processes at Gas Turbine Blade System End Surface, Vestnik RGATU im. P.A. Solov’eva, 2013, no. 1, pp. 185–189.
Bogomolov, E.N. and Lebedev, V.V., Application of Liquid Crystals for Investigating the Film Cooling of Turbine Cascade Fix Ends, Promyshlennaya Teplotekhnika, 1990, vol. 12, no. 3, pp. 7–12.
Mahmood, G. I., Gustafson, R., and Acharya, S., Experimental Investigation of Flow Structure and Nusselt Number in a Low Speed Linear Blade Passage with and without Leading Edge Fillets, J. Heat Transfer, 2005, vol. 127, no. 5, pp. 499–512.
Vyatkov, V.V., Kovalyov, S.A., Tomilina, T.V., and Karelin, D.V., Elaboration of Structural Procedures Providing Decrease of Secondary Losses in Gas Turbine Rows, Omskii Nauchnyi Vestnik, 2012, no. 2, pp. 157–161.
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © V.A. Poletaev, A.E. Remizov, V.V. Vyatkov, V.V. Lebedev, 2016, published in Izvestiya VUZ, Aviatsionnaya Tekhnika, 2016, No. 1, pp. 81-86.
About this article
Cite this article
Poletaev, V.A., Remizov, A.E., Vyatkov, V.V. et al. Special features of aerodynamic and thermal improvement of turbine nozzles for advanced gas turbine engines. Russ. Aeronaut. 59, 89–94 (2016). https://doi.org/10.3103/S1068799816010141
Received:
Published:
Issue Date:
DOI: https://doi.org/10.3103/S1068799816010141