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93-03: Reduction of Noise Generation by Cooling FansBased 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.

Refrigerating and Air-conditioning Engineers (ASHRAE) has developed a proposed Standard Practice that specifies what is required to prevent legionellosis associated with building water systems

It was observed that relative corrosion rates decrease as inhibitor dosage increases

with droplet sizing instruments being more effective in low load

A recently completed project at Chicago's O'Hare Airport makes an interesting case study in the application and design of plume abated cooling towers

In recent years there has been considerable debate on the merits of designing around lower nominal condenser water flow rates with a higher range in order to improve system lifecycle costs

Summary White Paper

Merkel theory relied on several basic assumptions to simplify the mathematical calculations involved in the determination on KaV (cooling tower demand)

The laboratory of CTU in Prague has for long been focused on research in the field of cooling technologies

This system incorporates a sensing device with a controller to monitor and control product federate

A more efficient way is to use the water in a small wet section add-on

maintained exchanger heat transfer efficiency

2 meters) tall is fabricated and tested at powers up to 25 kW

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