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Boundary Layer Control with a moving belt system for studies on Wing-in-Ground-Effect

DSpace at IIT Bombay

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Title Boundary Layer Control with a moving belt system for studies on Wing-in-Ground-Effect
 
Creator AHMED, MR
SIROGANE, H
KOHAMA, Y
 
Subject boundary layer control
aerodynamics
tandem wings
ground effect
lift
drag
 
Description Results from studies on the performance of a moving belt system are presented. Velocity measurements were performed above the moving belt with a hot-wire anemometer at a free-stream velocity of 15 m/s. The belt speed was same as the freestream velocity. Boundary layer suction was applied upstream of the moving belt to obtain a uniform free-stream It is found that with the help of moving belt system, it is possible to minimize the growth of boundary layer, The boundary layer grew by only 1 mm over a distance of 700 mm. Such a system is highly desirable for studies on ground effect aerodynamics. Measurements of lift and drag forces are performed on a tandem wing configuration in ground effect using the system with and without the belt moving. Influence of angles of attack for the wings on the aerodynamic characteristics of a tandem wing configuration with a variable distance between them is also studied for the two cases, with a very small ground clearance.
 
Publisher JAPAN SOC MECHANICAL ENGINEERS
 
Date 2011-08-04T08:36:41Z
2011-12-26T12:54:38Z
2011-12-27T05:42:45Z
2011-08-04T08:36:41Z
2011-12-26T12:54:38Z
2011-12-27T05:42:45Z
1999
 
Type Article
 
Identifier JSME INTERNATIONAL JOURNAL SERIES B-FLUIDS AND THERMAL ENGINEERING, 42(4), 619-625
1340-8054
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9301
http://hdl.handle.net/10054/9301
 
Language en