Wind tunnel

A model Cessna with helium-filled bubbles showing pathlines of the wingtip vortices.

Replica of the Wright brothers' wind tunnel.

Eiffel's wind tunnels in the Auteuil laboratory

A wind tunnel is a tool used in aerodynamic research to study the effects of air moving past solid objects. A wind tunnel consists of a tubular passage with the object under test mounted in the middle. Air is made to move past the object by a powerful fan system or other means. The test object, often called a wind tunnel model, is instrumented with suitable sensors to measure aerodynamic forces, pressure distribution, or other aerodynamic-related characteristics.

单词	Aerodynamic test
释义	Aerodynamic test 英语百科 Wind tunnel A wind tunnel is a tool used in aerodynamic research to study the effects of air moving past solid objects. A wind tunnel consists of a tubular passage with the object under test mounted in the middle. Air is made to move past the object by a powerful fan system or other means. The test object, often called a wind tunnel model, is instrumented with suitable sensors to measure aerodynamic forces, pressure distribution, or other aerodynamic-related characteristics.
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Aerodynamic test

Wind tunnel