Unsteady flow structures in the tip region for a centrifugal compressor impeller before rotating stall
Sign Up to like & getrecommendations! Published in 2017 at "Science China Technological Sciences"
DOI: 10.1007/s11431-016-9005-3
Abstract: To get an insight into the occurrence and the mechanism of flow unsteadiness in the tip region of centrifugal compressor impellers, the flow in Krain’s impeller is investigated by using both steady and unsteady RANS… read more here.
Keywords: compressor; tip region; flow unsteadiness; flow ... See more keywords
Numerical investigation into the mechanism regarding the inception and evolution of flow unsteadiness induced by the tip leakage flow in a transonic compressor
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/0957650920910597
Abstract: Unsteady flow in the blade tip region of modern axial flow compressors is one of the sources of loss, noise, and blade vibration. In some cases, it is potentially linked to stall inception. In this… read more here.
Keywords: tip leakage; induced tip; flow unsteadiness; leakage vortex ... See more keywords
Parametric Experimental Studies on Supersonic Flow Unsteadiness over a Hemispherical Spiked Body
Sign Up to like & getrecommendations! Published in 2020 at "AIAA Journal"
DOI: 10.2514/1.j059369
Abstract: Experimental studies are carried out to investigate the effects of the geometrical parameters with a drag reducing spike on a hemispherical forebody in a supersonic freestream of M∞=2.0 at 0 deg an... read more here.
Keywords: supersonic flow; studies supersonic; flow unsteadiness; unsteadiness hemispherical ... See more keywords