Tip Leakage Flow in Linear Compressor Cascade

[+] Author and Article Information
S. Kang, C. Hirsch

Department of Fluid Mechanics, Vrije Universiteit Brussel, Brussel, Belgium

J. Turbomach 116(4), 657-664 (Oct 01, 1994) (8 pages) doi:10.1115/1.2929458 History: Received March 12, 1993; Online June 09, 2008


Tip leakage flow in a linear compressor cascade of NACA 65-1810 profiles is investigated, for tip clearance levels of 1.0, 2.0, and 3.25 percent of chord at design and off-design flow conditions. Velocity and pressure data are collected from three transverse sections inside tip clearance and sixteen sections within flow passage. Tip separation vortex influence is identified from the data. Leakage flow mixing is clearly present inside the clearance and has a significant influence on the internal loss.

Copyright © 1994 by The American Society of Mechanical Engineers
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