Research Article
Dec 1969
Thermal Discharges from Large Nuclear Plant
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VIEW THE REPLYAuthors: Stanley Moyer, F.ASCE, and Edward C. RaneyAuthor Affiliations
Publication: Journal of the Sanitary Engineering Division
Volume 95, Issue 6
Abstract
The cooling water requirements of the atomic power plant on the Susquehanna River are 3350 cfs. Periods of low river flow, high natural river water temperatures, and high wet bulb temperatures are considered the most critical times for aquatic organisms. Hydraulic model tests at Alden Research Laboratories resulted in the development of an efficient jet injection system which gives maximum rapid mixing effect. A jet of from 5 fps to 8 fps at the end of a long canal introduces the effluent throughout the entire depth of the water column in the reservoir. This system was much superior to the use of a short discharge canal which utilized a weir to release the warm water at the surface at low velocity. The studies of isotherms as related to results of 3 yr of detailed biological data indicated that at the critical seasons an increase of ambient water temperature of 13○ F introduced as a jet was satisfactory in meeting the temperature requirements of the fishes and associated organisms. An open circulating system is to be used with mechanical cooling towers to reduce the effluent from 21○ F to 13○F above ambient. Low approach velocities at the cooling water screen structures are recommended to safeguard screenable fishes.
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Published In
Journal of the Sanitary Engineering Division
Volume 95 • Issue 6 • December 1969
Pages: 1131 - 1164
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Dec 1969
Published online: Feb 12, 2021
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Authors
Affiliations
Stanley Moyer, F.ASCE
Asst. to V. P., Engrg. and Res., Philadelphia Electric Co., Philadelphia, Pa.
Edward C. Raney
Prof. of Zoology, Div. of Biological Sciences, Sect. of Ecology and Systematics, Cornell University, Ithaca, N.Y.
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