Record Display for the EPA National Library Catalog

RECORD NUMBER: 12 OF 28

OLS Field Name OLS Field Data
Main Title Heated surface jet discharged into a flowing ambient stream /
Author Motz, Louis H.
Other Authors
Author Title of a Work
Benedict, Barry A.
Publisher U.S. Government Printing Office,
Year Published 1972
Report Number 16130 FDQ 03/71
OCLC Number 00681312
ISBN $1.75
Subjects Thermal pollution of rivers, lakes, etc--Mathematical models. ; Water jets. ; Heat--Transmission.
Internet Access
Description Access URL
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=9101SBY0.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EJBD ARCHIVE EPA 16130-FDQ-03-71 Headquarters Library/Washington,DC 01/15/2014
EJBD  EPA 16130-FDQ-03-71 Headquarters Library/Washington,DC 01/09/2015
EKAD  16130FDQ03/71 Region 4 Library/Atlanta,GA 08/23/2002
EKAD  TD427.H4M67 Region 4 Library/Atlanta,GA 08/23/2002
Collation xiii, 207 pages : illustrations ; 28 cm.
Notes
Includes bibliographical references (pages 203-207).
Contents Notes
The temperature distribution in the water body due to a discharge of waste heat from a thermal-electrical plant is a function of the hydrodynamic variables of the discharge and the receiving water body. The temperature distribution can be described in terms of a surface jet discharging at some initial angle to the ambient flow and being deflected downstream by the momentum of the ambient velocity. It is assumed that in the vicinity of the surface jet, heat loss to the atmosphere is negligible. It is concluded that the application of the two dimensional surface jet model is dependent on the velocity ratio and the initial angle of discharge, and the value of the initial Richardson number, as low as 0.22. Both laboratory and field data are used for verification of the model which has been developed. Laboratory data is used to evaluate the two needed cooefficients, a drag coefficient and an entrainment coefficient, as well as the length of the zone of flow establishment and the angle at the end of that zone. The drag coefficient and characteristics of the establishment zone are found to be functions of the velocity ratio (ambient velocity/jet velocity), while the entrainment coefficient is primarily a function of geometry.