scholarly journals Contemporary frame of measurement and assessment of wind-tunnel flow quality in a low-speed facility

2018 ◽  
Vol 46 (4) ◽  
pp. 429-442 ◽  
Author(s):  
Goran Ocokoljić ◽  
Dijana Damljanović ◽  
Đorđe Vuković ◽  
Boško Rašuo
Keyword(s):  
Wind Tunnel ◽  
Low Speed ◽  
Flow Quality

Turbulent Reduction in a Wind Tunnel Using Trip Strip

Volume 1 ◽  
2004 ◽  
Author(s):  
Mohammad Reza Soltani ◽  
Mojtaba Dehghan Manshadi ◽  
Mohammad Javad Mirabdollahi
Keyword(s):  
Experimental Study ◽  
Wind Tunnel ◽  
Test Section ◽  
Velocity Profiles ◽  
Turbulent Intensity ◽  
Tunnel Wall ◽  
Low Speed ◽  
Flow Quality

In this investigation an intensive experimental study was conducted to study the flow quality in a test section of a low speed, V∞ = 10–100, closed return wind tunnel. An interesting result was obtained when a trip strip, a guitar wire with D = 1.14mm, was installed near the end of the contraction region. Addition of this trip wire resulted in a turbulent reduction almost at all speed ranges along the entire test section. Further, it smoothness the variation of turbulent intensity along the test section too. Velocity profiles along the tunnel wall at various speeds using a rake were measured with and without the trip wire. In addition, pressure contours at different location of the test section was measured too.

Design and Construction of a Low Speed Wind Tunnel

2016 ◽  
Author(s):  
Odenir de Almeida ◽  
FREDERICO CARNEVALLI DE MIRANDA ◽  
Olivio Neto ◽  
Fernanda Guimarães Saad
Keyword(s):  
Wind Tunnel ◽  
Low Speed ◽  
Low Speed Wind Tunnel ◽  
Design And Construction
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