A Review of Cascade Data on Secondary Losses in Turbines
- 1 February 1970
- journal article
- review article
- Published by SAGE Publications in Journal of Mechanical Engineering Science
- Vol. 12 (1) , 48-59
- https://doi.org/10.1243/jmes_jour_1970_012_009_02
Abstract
Theories and experiments on secondary losses in axial turbine cascades without end clearance are reviewed. A formula is given which correlates the effect of blade loading on secondary losses more successfully than hitherto. However, it is also shown that secondary losses increase with upstream wall boundary layer thickness. Only a tentative expression for that effect can be suggested. In order to predict secondary losses reliably more must be known about these wall boundary layers.Keywords
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