Velocity Field Measurements of a Wing-Flap Configuration via Stereoscopic PIV

2006 ◽  
Author(s):  
Shigeya Watanabe ◽  
Hiroyuki Kato ◽  
Kazuomi Yamamoto
Keyword(s):  
Velocity Field ◽  
Field Measurements ◽  
Stereoscopic Piv

Three-component velocity field measurements of propeller wake using a stereoscopic PIV technique

2004 ◽  
Vol 36 (4) ◽  
pp. 575-585 ◽  
Author(s):  
Sang Joon Lee ◽  
Bu Geun Paik ◽  
Jong Hwan Yoon ◽  
Choung Mook Lee
Keyword(s):  
Velocity Field ◽  
Field Measurements ◽  
Stereoscopic Piv ◽  
Propeller Wake ◽  
Piv Technique ◽  
Component Velocity

Velocity field measurements of a laminar thermal

1979 ◽  
Vol 22 (6) ◽  
pp. 1044 ◽  
Author(s):  
D. J. Shlien ◽  
A. Brosh
Keyword(s):  
Velocity Field ◽  
Field Measurements

scholarly journals Effects of Hole Shape on Film Cooling With Large Angle Injection

1999 ◽  
Author(s):  
Atui Kohil ◽  
David G. Bogard
Keyword(s):  
Velocity Field ◽  
Film Cooling ◽  
Field Measurements ◽  
Round Hole ◽  
Cooling Performance ◽  
Injection Angle ◽  
Hole Shape ◽  
Shaped Hole ◽  
Adiabatic Effectiveness ◽  
Better Than

In this study the film cooling performance of a single row of discrete holes inclined at an injection angle of 55° is investigated at a density ratio of DR = 1.6. Three different hole geometries were used in this study, a round hole and two shaped holes. One shaped hole had forward and lateral expansions of 15°, and the other a 15° lateral with a 25° forward expansion. For reference, a round hole with an injection angle of 35° was also tested. The film cooling performance of each hole shape was evaluated using adiabatic effectiveness, thermal field, and velocity field measurements. The shaped holes showed higher spatially averaged adiabatic effectiveness than the round hole over the whole range of momentum flux ratios (I) investigated. The effectiveness values for the shaped holes were only marginally better than the round hole at the low I, but at the high I, the shaped holes performed much better than the round hole. The temperature and velocity field measurements near the hole exit suggest that there is a slight detachment of the jet from the wall for the round hole, while the jets remain attached for the two shaped holes. The shaped hole with the larger forward expansion had a warmer jet with a higher trajectory at the hole exit suggesting ingestion of mainstream fluid and flow separation within the hole.

scholarly journals Microscopic velocity field measurements inside a regular porous medium adjacent to a low Reynolds number channel flow

2019 ◽  
Vol 31 (4) ◽  
pp. 042001 ◽  
Author(s):  
A. Terzis ◽  
I. Zarikos ◽  
K. Weishaupt ◽  
G. Yang ◽  
X. Chu ◽  
...  
Keyword(s):  
Reynolds Number ◽  
Porous Medium ◽  
Velocity Field ◽  
Channel Flow ◽  
Low Reynolds Number ◽  
Field Measurements ◽  
Low Reynolds
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