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Effect of tip clearance at midspan section of controlled diffusion compressor cascade

DSpace at IIT Bombay

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Title Effect of tip clearance at midspan section of controlled diffusion compressor cascade
 
Creator ROY, B
SAHA, UK
 
Description The effect of tip clearance at the midspan section of a linear compressor cascade with controlled diffusion airfoil has been investigated. Blade surface pressure distribution, diffusion factor and loss coefficients were evaluated at the midspan with zero tip clearance and with 3% of chord tip clearance. Experimental observation shows significant variation on the surface pressure distributions; however, this variation was not reflected in the cascade loss coefficients measured across the midspan. It is believed that the clearance creates a strong spanwise flow, extending its effect to the midspan section, where growth of surface boundary layer due to combined chordwise and spanwise flow has been controlled by the controlled diffusion characteristics, of the airfoil profile. As a result, the usually expected additional loss has not been experienced.
 
Publisher FREUND PUBLISHING HOUSE
 
Date 2011-07-29T20:07:19Z
2011-12-26T12:52:36Z
2011-12-27T05:39:01Z
2011-07-29T20:07:19Z
2011-12-26T12:52:36Z
2011-12-27T05:39:01Z
1995
 
Type Article
 
Identifier INTERNATIONAL JOURNAL OF TURBO & JET-ENGINES, 12(3), 223-229
0334-0082
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7816
http://hdl.handle.net/10054/7816
 
Language en