Notes to Aerodynamic Testing of Supersonic Blade Cascades

0435197 - ÚT 2015 RIV CZ eng C - Conference Paper (international conference)
Šimurda, David - Luxa, Martin - Šafařík, Pavel
Notes to Aerodynamic Testing of Supersonic Blade Cascades.
Colloquium FLUID DYNAMICS 2014. Praha: Ústav termomechaniky AV ČR, v. v. i., 2014 - (Jonáš, P.; Uruba, V.), s. 27-28. ISBN 978-80-87012-53-6.
[Colloquium FLUID DYNAMICS 2014. Praha (CZ), 22.10.2014-24.10.2014]
R&D Projects: GA TA ČR(CZ) TA03020277
Institutional support: RVO:61388998
Keywords : upesonic turbine cascade * supersonic flow * experiment * test section
Subject RIV: BK - Fluid Dynamics

Relatively narrow space for aerodynamic design of long rotor blades applied at last stages of large output steam turbines often results in blades with tips operating at supersonic regimes. This brings number of problems. Main of these are additional sources of loss and rather thin border between sections operating under turbine and compressor regimes one adding to performance and the other deteriorating it. Therefore, aerodynamic cascade data on turbine blading for a range of supersonic inlet and outlet conditions are needed. However, ensuring specified supersonic conditions in a high-speed wind tunnel for blade cascade tests is not an easy task and thus it deserves attention.
Permanent Link: http://hdl.handle.net/11104/0241480