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Wind Tunnel Aids Thermal Management

Sept. 5, 2012
Thermal studies just got easier, thanks to a closed-loop wind tunnel capable of characterizing a device under test (DUT) at temperatures to +85°C.

Thermal studies just got easier, thanks to a closed-loop wind tunnel capable of characterizing a device under test (DUT) at temperatures to +85°C. The model CLWT-115 wind tunnel from Advanced Thermal Solutions can generate air flows to 5 m/s (1000 ft/minute), or as much as 50 m/s (10,000 ft/minute) using optional orifice plates. Its clear Lexan test section offers a continuous view of a DUT—such as a printed-circuit board (PCB), heat sink, or electronic component—and allows operators to perform flow visualization studies using smoke or vapor.

Unlike an open-loop wind tunnel, the closed-loop model CLWT-115 recirculates internal air, allowing the system’s heater to quickly warm the air to a specific temperature. The wind tunnel features a test section measuring 30.5 x 10.2 x 4.55 in. (77.6 x 26.0 x 11.6 cm) that can be accessed from the top or sides for mounting and repositioning DUTs. Internal rail guides provide an easy system for installing specimens of different sizes. A complete CLWT-155 wind tunnel fits on most lab benches and is powered from standard AC outlets.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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