by Michael B. Schmitz, Dr.-Ing. Manager R&D Aerodynamics and Simulation ebm-papst St. Georgen
Why there are different fan designs
Moving air and creating pressure at best efficiency and with least noise emissions. This is one way to describe the objective of fans. For many applications, they are the best option also because they create a continuous flow, [...]
The EU eco-design directive aims to reduce the power consumption of energy-using products. The implementation measures for fans are expected to become law in early 2010. For three years, Uwe Sigloch, Head of Market Management Ventilation/Air Conditioning at ebm-papst, has been involved in drawing up the specifications.
Many fan manufacturers consider the proposed directive to be [...]
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