Investigation of the tip-leakage losses in turbine axial stages

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dc.contributor.authorSzymański, Artur
dc.contributor.authorDykas, S.
dc.contributor.authorWróblewski, W.
dc.contributor.authorRulik, S.
dc.date.accessioned2018-03-14T12:08:38Z
dc.date.available2018-03-14T12:08:38Z
dc.date.issued2014-12
dc.description.abstractIn turbomachinery, an influence of a tip-leakage flow on overall blade loss is crucial and its reduction is still worth striving for. In this paper a numerical analysis of the flow in tip seal of high-rotating gas turbine engine has been made. This analysis is a part of experimental research for testing the commercially used different tip seals solutions. Described test rig is predicted to be an universal tool for developing and examining different configurations of turbine blade tips. Presented numerical analysis is used to predict physical phenomena that may affect the rotor blade performance. In the numerical investigation the commercial Ansys CFX software was employed. The most important parameters were: mass flow rate at the inlet and outlet of the test bench, pressure and velocity distribution and the air temperature growth above the rotor. Also, an influence of test rig inlet and outlet geometry on flow uniformity was investigated. During the analysis the attention was focused also on minimizing the turbulence intensity in outlet area, that could cause significant difficulties in flow and stable work of the machine – generated eddies contributes to lower the mass flow rate.en_UK
dc.identifier.citationA Szymański, S Dykas, W Wróblewski and S Rulik. Investigation of the tip-leakage losses in turbine axial stages. Journal of Physics: Conference Series, Vol. 530, Conference 1, article number 012033en_UK
dc.identifier.issn1742-6588
dc.identifier.urihttp://dx.doi.org/10.1088/1742-6596/530/1/012033
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/13084
dc.language.isoenen_UK
dc.publisherInstitute of Physicsen_UK
dc.rightsAttribution 3.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/*
dc.titleInvestigation of the tip-leakage losses in turbine axial stagesen_UK
dc.typeArticleen_UK

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