Sidewall effects and sand trap efficiency in a large wind tunnel

2018 ◽  
Vol 43 (6) ◽  
pp. 1252-1258 ◽  
Author(s):  
Cheng Hong ◽  
Fang Yi ◽  
Douglas J. Sherman ◽  
Liu Chenchen ◽  
Zou Xueyong ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
Trap Efficiency ◽  
Sand Trap ◽  
Sidewall Effects ◽  
Large Wind

China's Large Wind Tunnel

1939 ◽  
Vol 11 (9) ◽  
pp. 315-350
Author(s):  
F.L. Wattendorf
Keyword(s):  
Wind Tunnel ◽  
Large Wind

An overview of experiments on the dynamic sensitivity of MAVs to turbulence

2010 ◽  
Vol 114 (1158) ◽  
pp. 485-492 ◽  
Author(s):  
A. Watkins ◽  
M. Thompson ◽  
M. Shortis ◽  
R. Segal ◽  
M. Abdulrahim ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
Micro Air Vehicles ◽  
Rating System ◽  
Flight Tests ◽  
Wind Environment ◽  
Turbulent Wind ◽  
High Turbulence ◽  
Per Se ◽  
Rotary Wing ◽  
Large Wind

Abstract Aspects of the turbulent wind environment Micro Air Vehicles (MAVs) experience when flying outdoors were replicated in a large wind tunnel. An overview of the facility, instrumentation and initial flight tests is given. Piloting inputs and aircraft accelerations were recorded on fixed and rotary wing MAVs and for some tests, measurements of the approach flow (u,v,w sampled at 1,250Hz at four laterally disposed upstream locations) were made. The piloting aim was to hold straight and level flight in the 12m wide × 4m high × ~50m long test section, while flying in a range of turbulent conditions. The Cooper-Harper rating system showed that a rotary craft was less sensitive to the effects of turbulence compared to the fixed wing craft and that while the fixed wing aircraft was relatively easy to fly in smooth air, it became extremely difficult to fly under high turbulence conditions. The rotary craft, while more difficult to fly per. se., did not become significantly harder to fly in relatively high turbulence levels. However the rotary craft had a higher mass and MOI than the fixed wing craft and further work is planned to understand the effects of these differences.

A continuously weighing, high frequency sand trap: Wind tunnel and field evaluations

Geomorphology ◽  
2017 ◽  
Vol 293 ◽  
pp. 84-92 ◽  
Author(s):  
Fan Yang ◽  
XingHua Yang ◽  
Wen Huo ◽  
Mamtimin Ali ◽  
XinQian Zheng ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
High Frequency ◽  
Sand Trap

scholarly journals Superconducting electromagnets for large wind tunnel magnetic suspension and balance systems

1985 ◽  
Vol 21 (2) ◽  
pp. 444-447 ◽  
Author(s):  
R. Boom ◽  
Y. Eyssa ◽  
G. McIntosh ◽  
M. Abdelsalam ◽  
R. Scurlock ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
Magnetic Suspension ◽  
Large Wind

The Ground Simulation Upgrade of the Large Wind Tunnel at the Technische Universität München

2012 ◽  
Author(s):  
Steffen Mack ◽  
Thomas Indinger ◽  
Nikolaus A. Adams ◽  
Peter Unterlechner
Keyword(s):  
Wind Tunnel ◽  
Large Wind
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