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Advanced Findings in Inclined Negatively Buoyant Jet Experiments

  • Raed Bashitialshaaer
  • Magnus Larson
  • Kenneth M Persson
Publishing year: 2013
Language: English
Publication/Series: IDA-International Desalination Association
Document type: Conference paper
Publisher: IDA-International Desalination Association

Abstract english

An experiment was performed to investigate the behavior of inclined negatively buoyant jets. Such jets arise when brine is discharged from desalination plants and improved knowledge of their behavior is required for designing discharge systems that cause a minimum of environmental impact on the receiving waters.

In the present experiment, a turbulent jet with a specific salinity was discharged through a circular nozzle at an angle to the horizontal into a tank with fresh water and the spatial evolution of the jet was recorded. In total, 72 experimental cases were carried out where four different initial jet parameters were changed, namely the nozzle diameter, the initial jet inclination, the jet density (or salinity), and the flow rate (or exit velocity).

The measurements of the jet evolution in the tank included five geometric quantities describing the jet trajectory that are useful in the design of brine discharge systems.


  • Water Engineering
  • Brine discharge
  • Environmental impacts
  • Desalination
  • Experimental Lab-scale
  • Negatively buoyant jet


Desalination and Water Reuse 2013 / Tianjin, China
Tianjin, China
E-mail: raed [dot] bashitialshaaer [at] cme [dot] lu [dot] se

Visiting research fellow

Centre for Middle Eastern Studies


Center for Middle Eastern Studies
Lund University
Box 201, SE-221 00 Lund, Sweden
Visiting adress: Finngatan 16
Phone: +46 (0)46 222 00 00 (pbx)
maria [dot] lofstedt [at] cme [dot] lu [dot] se