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98-01: Noise Testing of Cooling Tower Fan DrivesMore stringent noise emission requirements and advances in noise reduction of other cooling tower components are focusing more attention on the noise emitted by the cooling tower gear drive. This paper discusses a state of the art test system for determining noise and vibration characteristics of right angle cooling tower gear drives. The test system applies torque and axial thrust loads to simulate actual fan loading conditions. System capabilities,

The water exposure was at room temperature and 125°F revealing no performance advantage obtained from the coating

Part I - Test Procedure: methods and instrumentation for testing mechanical draft and natural draft cooling towers

United States is by far greater than any other country in the industrialized world

water has essentially been viewed as a free or very low-cost commodity but this perception of a plentiful resource is changing rapidly as communities across the country begin to face limitations in fresh water supply

Across the board

selection of electrode materials of construction

The pilot is constituted of four reduced-scale open cooling circuits (around 15 thermal kW) able to mimic the thermal and chemical behavior of an industrial cooling circuit such as those found in nuclear power plants

leaving "fingerprints" in the components

extensive environmental sampling programs are maintained

The data show that hypobromous acid is the least volatile oxidizing industrial in use today

up to 50 feet

water is pumped through a steam condenser

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