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Discharge measurements using the Pressure-Time Method: Different evaluation procedures
POLITEHNICA University of Bucharest.
POLITEHNICA University of Bucharest.
Pöyry.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-7599-0895
2013 (English)Conference paper, Oral presentation only (Refereed)
Abstract [en]

This paper analyzes the pressure-time method and its developments. The pressure-time method used to determine the discharge in hydraulic turbines is described and applied in a generic test case in well controlled laboratory conditions. Developments of the method are presented: a time dependent friction factor (proposed by Jonsson) and a different upper integration limit (proposed by Adamkowski). Laboratory experiments are used to compute the discharge using the pressure-time method in the standard and modified versions and the results are compared. The precision of the methods is verified by comparing the computed discharge values to the values measured with a magnetic flowmeter.

Place, publisher, year, edition, pages
2013.
National Category
Fluid Mechanics and Acoustics
Research subject
Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-30561Local ID: 46a51d72-43a3-42ae-9ff4-afd8a2ec56aaOAI: oai:DiVA.org:ltu-30561DiVA, id: diva2:1003789
Conference
International Conference on Energy and Environment : 07/11/2013 - 08/11/2013
Note
Godkänd; 2013; 20131111 (cervante)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Cervantes, Michel

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