What is it about?
Secondary kinetic energy is commonly used across literature to quantify of the strength of secondary flows, and can be used to predict pressure loss and therefore loss in efficiency of a turbine. Despite its ubiquity, the definition various between sources. This study directly examines multiple common approaches, as well as two new methods more suitable for a rotating environment, to define the primary flow direction from which the secondary flows are derived and compares different possible interpretations of the flow field.
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This page is a summary of: A Comparison of Secondary Kinetic Energy Definitions Using Time-Resolved Flow Field Measurements in a Turbine, January 2025, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2025-1830.
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