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Causes and solution of aperiodicity of supersonic flow field downstream of a profile cascade
- 1.0385851 - ÚT 2013 RIV SK eng J - Journal Article
Luxa, Martin - Synáč, J. - Šafařík, J. - Šimurda, David
Causes and solution of aperiodicity of supersonic flow field downstream of a profile cascade.
Komunikácie. Roč. 14, 4a (2012), s. 23-28. ISSN 1335-4205
R&D Projects: GA ČR(CZ) GAP101/10/1329
Institutional support: RVO:61388998
Keywords : turbine cascade * exit flow periodicity * transonic flow * porous tailboard * limit load
Subject RIV: BK - Fluid Dynamics
The paper deals with problems of transonic flow field periodicity downstream of a profile cascade with finite number of blades. The origin of phenomena generating this aperiodicity in transonic wind tunnel is described. The solution of this problem by means of adjustable perforated tailboard is documented by results of optical measurements(interferometry, schlieren methods)on a turbine profile cascade consisting of six blades only. The conditions of formation of limit load regime are described.
Permanent Link: http://hdl.handle.net/11104/0215160
Number of the records: 1