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Dyson Air Multiplier
Winner - Platinum
Designer: Valerie Silvis
Design Type: Product, Appliance
Company / Organization / School: Dyson
James Dyson introduces the bladeless fan. No blades. No buffeting. James Dyson, who for the past 30 years has continuously revolutionized the vacuum cleaner industry through unprecedented advancements in airflow engineering, has turned his attention to addressing the everyday fan. As a result, he has designed the Dyson Air Multiplier™ fan, which has no blades, but instead uses a unique technology to multiply air 15 times, expelling 118 gallons of smooth and uninterrupted air every second. Until today, conventional electric fans have gone largely unchanged. The fundamental problem has remained the same for more than 125 years; the blades chop the air creating an uneven airflow and unpleasant buffeting. Dyson’s fluid dynamics engineers spent four years running hundreds of simulations to precisely measure and optimize the machine’s aperture and airfoil-shaped ramp before perfecting Dyson’s Air Multiplier technology. Air fluctuations were mapped with Laser Doppler Annometry, helping control the machine’s airflow. “We realised that this inducement, or multiplication, effect could be further enhanced by passing airflow over a ramp,” says Dyson. “And of course this was the point where the idea of a bladeless fan became a real possibility.