Flow Visualization
Because air is transparent it is difficult to directly observe the air movement itself. Instead, multiple methods of both quantitative and qualitative flow visualization methods have been developed for testing in a wind tunnel.
Read more about this topic: Wind Tunnel
Famous quotes containing the word flow:
“Learning and teaching should not stand on opposite banks and just watch the river flow by; instead, they should embark together on a journey down the water. Through an active, reciprocal exchange, teaching can strengthen learning how to learn.”
—Loris Malaguzzi (1920–1994)
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