Wet wipes and similar flexible objects are causing major problems in wastewater systems as these materials often lead to clogging in the wastewater pumps. However, the understanding of clogging phenomena and the behaviour of these objects in the wastewater system is limited. Using a scaled pumping station with major parts constructed in acrylic glass, enabling good visual access, six parameters of shape, position and orientation of dustcloths in the pumping system are investigated at nine different operating points. In each test, 20 dustcloths are added to the pump sump and a fast digital camera captures the dust-cloths inside the inlet pipe close to the pump with a frame rate of 150 fps. Limited differences in the results of the chosen textile parameters indicate that the phenomena leading to different types of clogging occurs inside the pump and not in the inlet pipe. The determined parameters of shape, position and orientation can be used as initial conditions in simulation of clogging phenomena.
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ASME 2017 Fluids Engineering Division Summer Meeting
July 30–August 3, 2017
Waikoloa, Hawaii, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5804-2
PROCEEDINGS PAPER
Investigation of the Influence of Operating Point on the Shape and Position of Textile Material in the Inlet Pipe to a Dry-Installed Wastewater Pump
Anna Lyhne Jensen,
Anna Lyhne Jensen
Aalborg University, Aalborg, Denmark
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Stefan Gerlach,
Stefan Gerlach
Berlin Institute of Technology, Berlin, Germany
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Flemming Lykholt-Ustrup,
Flemming Lykholt-Ustrup
Wastewater Hydraulics Grundfos, Bjerringbro, Denmark
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Henrik Sørensen,
Henrik Sørensen
Aalborg University, Aalborg, Denmark
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Lasse Rosendahl,
Lasse Rosendahl
Aalborg University, Aalborg, Denmark
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Paul Uwe Thamsen
Paul Uwe Thamsen
Berlin Institute of Technology, Berlin, Germany
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Anna Lyhne Jensen
Aalborg University, Aalborg, Denmark
Stefan Gerlach
Berlin Institute of Technology, Berlin, Germany
Flemming Lykholt-Ustrup
Wastewater Hydraulics Grundfos, Bjerringbro, Denmark
Henrik Sørensen
Aalborg University, Aalborg, Denmark
Lasse Rosendahl
Aalborg University, Aalborg, Denmark
Paul Uwe Thamsen
Berlin Institute of Technology, Berlin, Germany
Paper No:
FEDSM2017-69298, V01AT05A018; 10 pages
Published Online:
October 24, 2017
Citation
Jensen, AL, Gerlach, S, Lykholt-Ustrup, F, Sørensen, H, Rosendahl, L, & Thamsen, PU. "Investigation of the Influence of Operating Point on the Shape and Position of Textile Material in the Inlet Pipe to a Dry-Installed Wastewater Pump." Proceedings of the ASME 2017 Fluids Engineering Division Summer Meeting. Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery. Waikoloa, Hawaii, USA. July 30–August 3, 2017. V01AT05A018. ASME. https://doi.org/10.1115/FEDSM2017-69298
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