Cooper and Associates, P. A.
John Cooper is one of the
world's leading authorities on the analysis and design of ice prevention systems
for counterflow natural draft cooling towers (see
In the early 1980's, as an employee of Zurn Industries Cooling Tower Division,
he designed the ice prevention systems for the northern-most natural draft
cooling tower in the western hemisphere, i.e., at Niagara Mohawk Power
Corporation's Nine Mile Point Nuclear Station Unit 2 on Lake Ontario near
Oswego, New York and for Duquesne Light Company's natural draft tower at Beaver
Valley Nuclear Station, Unit 2, north of Pittsburgh, Pennsylvania. The Nine Mile
Point Nuclear cooling tower was designed to operate with minimal ice
accumulation at 50% heat load in an ambient environment of -20oF
(twenty degrees below zero Fahrenheit). John Cooper & Associates utilizes
computer models to predict thermal performance of natural draft cooling towers
in various winter operating modes involving usage of hot water bypass, ice
prevention rings, and fill water distribution "zoning".