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A Study on the Flow Characteristics in Axial Flow Rotors with Varying Tip Clearance  

이명호 (서울산업대학교 기계공학과)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.26, no.3, 2002 , pp. 353-361 More about this Journal
Abstract
The tip leakage flow passing through the clearance between rotor blade tip and casing shroud has been known to occupy an important portion of the rotor overall loss. In this study, flow characteristics in axial flow rotors with different tip clearances is investigated by experimental and numerical methods. The experimental study was carried out to measure static pressure and velocity profiles at the real rotating test rig. The axial flow rotors used for the experiments have ten blades and three different rotor diameter. The tip clearance heights are 1mm, 3mm, and 4.5mm. Measurements were done using spherical type five-hole probe by non-nulling method. The numerical study was carried out to calculate pressure distributions and velocity vectors at the same condition as the experiments in the flow fields of axial flow rotors using Phoenics code.
Keywords
Axial Flow Rotor; Tip Clearance; Leakage Flow; Five-Hole Probe;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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