Research Article
Jul 1975
Statistical Design Basis for Submerged Diffuser
Abstract
A comparison is made among discharge criteria for various atmospheric and aquatic emissions. The dependence of effluent plume size on water levels, ambient temperatures, and drift currents was empirically determined from model simulation. Predictions of the effluent plume size frequency distribution were made: (1) Assuming the parameters are independent random variables; and (2) using a time series of lake levels, temperatures, and currents. The second method predicted less frequent occurrence of large plumes. It is concluded that: (1) Statistical description of predicted thermal plumes represents a more realistic evaluation of environmental impact than prediction for a critical condition; (2) readily available site data can be utilized to make statistical predictions of the effluent plume size for proposed outfalls; and (3) the effectiveness of design changes can be statistically evaluated and interpreted as frequencies with which given thermal criteria may be contravened.
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Information & Authors
Information
Published In
Journal of the Power Division
Volume 101 • Issue 1 • July 1975
Pages: 11 - 22
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Jul 1975
Published online: Feb 11, 2021
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Authors
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Thomas E. Pease
Project Scientist, Quirk, Lawler & Matusky Engrs., Tappan, N.Y.
Michael J. Skelly, M.ASCE
Part., Quirk, Lawler & Matusky Engrs., Tappan, N.Y.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.