Research Article
May 1975
Rapid Temperature Reduction of Thermal Discharge
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VIEW THE REPLYAuthors: Ronald D. Townsend, AM.ASCE, and David L. EgarAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 101, Issue 5
Abstract
The temperature of a heated effluent stream, discharging from a thermoelectric power station, can be reduced by introducing a tempering water flow in the discharge channel upstream from the receiving body. This laboratory model study investigates the possibility of increasing the rate of temperature reduction by optimizing the mixing process between two different temperature streams. The hydraulic jump is used as the mixing agent and results obtained are compared with the corresponding standard dilution method of entrainment of the coolant by jet-induced turbulence. With regard to location of the jump the standard prediction techniques proved inadequate in the study configuration. Temperature distributions were observed throughout the flow field in order to investigate mixing efficiency. Records indicated that the tempering and effluent flows were completely mixed by the jumps. Comparison of the standard and study dilution methods showed that the latter required a much shorter length of channel for complete mixing of the two streams.
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Published In
Journal of the Hydraulics Division
Volume 101 • Issue 5 • May 1975
Pages: 529 - 541
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: May 1975
Published online: Feb 3, 2021
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Authors
Affiliations
Ronald D. Townsend, AM.ASCE
Assoc. Prof., Dept. of Civ. Engrg., Univ. of Ottawa, Ottawa, Canada
David L. Egar
Engr., Engrg. Div., Water Management Branch, Environment Canada, Ottawa, Canada
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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.