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Description

91-15: Refurbishing America's First Hyperbolic Cooling TowerWhen completed in 1962, Kentucky Power Company's Big Sandy Unit 1 cooling tower was the first built in this country using large scale natural draft design with a concrete hyperbolic shell. The decision to replace the internal components recently after 26 years of operation offered the opportunity to utilize current technology and materials. This tower's maintenance and operations history, and general condition at time of rebuild will be reviewed.

Bench top and process simulation test results will be discussed and related to field data

up to this point in time

Composites having the specific strength (1…3)*10-6m2/s2

the mitigation effectiveness increased significantly

descriptions of instrumentation used

sessile and planktonic bacteria testing as well as photos of the cooling tower fill and testing of the chiller performance

Examples of fracture failures of a wide variety of components are presented

Texas include the acquisition of makeup water and the disposal of blowdown

It focuses in particular on the vibration of the fan stack at blade passing frequency

In cases where calcium is the blow-down determining constituent

The techniques are divided between Mechanical Equipment and Wood Structure

(2) Operational Factors