Based on an intensive research program, it has turned out that it is possible to reduce the sound power level of cooling fans with 3 to 8 dBA by the extreme application of more or less known effective principles like wider blade cord and swept leading edge line. Following international recognized measuring standards; the measuring results will be presented as well as consequences for cooling tower design and cooling fan construction.

93-03: Reduction of Noise Generation by Cooling Fans

$12.00Price
  • Ir. Henk F. van der Spek, Ventilatoren Sirocco Howden B.V

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Cooling Technology Institute
P.O. Box 681807
Houston, Texas 77268

Cooling Technology Institute
3845 Cypress Creek Parkway
Suite #420
Houston, Texas 77068