Field Tests on Small Marine Outfall
Publication: Journal of Environmental Engineering
Volume 120, Issue 2
Abstract
Field tests were performed on a small marine outfall discharging domestic wastes. Dye was injected into the effluent flow entering the pump house and samples were taken in the sump and offshore in the sewage boil. Dilutions were evaluated from the sample concentrations and compared with theoretical predictions. Data were first collected with the outfall discharging freely in the horizontal direction. Following these tests a mixing tube was attached to the outfall. This consisted of a horizontal cylinder designed to provide some predilution before the effluent jet entered the receiving water. Data were again collected after the mixing tube was installed and the dilutions measured were compared with theoretical predictions. These showed that the theory used for the mixing tube under‐predicted measured values by more than 25%.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Argaman, Y., Vajda, M., and Galil, N. (1975). “Use of jet pumps in marine water disposal.” J. Envir. Engrg. Div., ASCE, 101(5), 730–711.
2.
Cederwall, K. (1968). “Hydraulics of marine waste disposal.” Rep. 42, Hydraulics Division, Chalmers Institute of Technology, Göteburg, Sweden.
3.
Gowda, R. N. (1992). “Field and laboratory studies of mixing tubes for marine outfalls,” M. Eng. thesis, Memorial Univ. of Newfoundland, St. John's, Nfld., Canada.
4.
“Jet mixer used on effluent main for surfer's paradise sewage.” (1966). Journal of the Institute of Engineers, Australia, 38(Mar.), 74–76.
5.
Silvester, R. (1967). “Jet mixers in sewage outfalls.” Journal of the Institute of Engineers, Australia, 39(Mar.), 33–37.
6.
Silvester, R., and Patarapanich, M. (1972). “Use of mixing tubes on marine outfalls.” Proc., 13th Coastal Engrg. Conf., Vancouver, July, pp. 2171–2185.
7.
Sharp, J. J. (1978). “Limitations of devices to improve dilution of ocean outfalls.” Proc. ICE, Part 2, 65(Dec.) 935–940.
8.
Sharp, J. J. (1989). “Spaniard's Bay outfall monitoring program.” Rep., Dept. of Environment and Lands, St. John's, Nfld., Canada.
9.
Sharp, J. J. (1991). “Marine outfalls for small coastal communities in Atlantic Canada.” Can. J. Civ. Engrg., 18(Jun.), 388–396.
Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 120 • Issue 2 • March 1994
Pages: 471 - 477
Copyright
Copyright © 1994 American Society of Civil Engineers.
History
Received: Sep 30, 1991
Published online: Mar 1, 1994
Published in print: Mar 1994
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.