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RETRACTED: Repeatability in measurements and control settings of a small francis turbine test rig
Department of Mechanical and Industrial Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, 247667, India.
Department of Mechanical and Industrial Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, 247667, India.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.ORCID-id: 0000-0001-7599-0895
2022 (Engelska)Ingår i: Flow Measurement and Instrumentation, ISSN 0955-5986, E-ISSN 1873-6998, Vol. 88, artikel-id 102260Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A reduced scaled-down hydraulic turbine test setup has been designed. The test setup is made to investigate the mitigation of pressure pulsations like the rotating vortex rope (RVR) and its formation and problems related to prototype operation. The setup arrangements and instrumentations follow mostly the international electro-technical commission (IEC) standards. This paper presents the runner hub modification, calibration procedure, repeatability and systematic uncertainty estimation, and measurement methods as per the guidelines given in IEC 60193 and IEC 60041. The calibration and regression curves of all devices are presented. A LABVIEW program for open-loop operation at a constant head and closed-loop operation at constant discharge is also presented. Finally, the systematic and random uncertainty of hydraulic efficiency is discussed.

Ort, förlag, år, upplaga, sidor
Elsevier , 2022. Vol. 88, artikel-id 102260
Nyckelord [en]
Francis turbine, Systematic and random uncertainty, Repeatability, Control system, Calibration
Nationell ämneskategori
Strömningsmekanik
Forskningsämne
Strömningslära
Identifikatorer
URN: urn:nbn:se:ltu:diva-95277DOI: 10.1016/j.flowmeasinst.2022.102260ISI: 000895570000001Scopus ID: 2-s2.0-85141279092OAI: oai:DiVA.org:ltu-95277DiVA, id: diva2:1727945
Anmärkning

Godkänd;2023;Nivå 0;2023-01-17 (joosat);

Retraction statement: Kumar, S., Gandhi, B.K. Cervantes, M.J., Retraction notice to “Repeatability in measurements and control settings of a small Francis turbine test rig” [Flow Meas. Instrum. 88 (2022) 102260], Flow Measurement and Instrumentation, 2023, 102401, https://doi.org/10.1016/j.flowmeasinst.2023.102401;

Funder: Central Power Research Institute (CPRI), India

Tillgänglig från: 2023-01-17 Skapad: 2023-01-17 Senast uppdaterad: 2025-10-21Bibliografiskt granskad

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Cervantes, Michel J.

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