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Hydropower and hydraulic machinery play essential role to reduce carbon footprint and provide green energy for the industrial and domestic use. Hydropower also helps to enhance the robustness of the power grid through energy storage and flexibility, which allows high penetration of wind and solar power. The main emphases are to stimulate the innovation-based research, to understand the technologies associated with hydraulic machinery, and to promote the interaction between the turbomachinery designers, users, the academic community, and the society at large. Scope of the symposium is hydro-mechanical equipment, including turbines, pump-turbines, pumps used as turbines, smart grid, digital twin, turbine intake system, and other hydro mechanical equipment.
Organization and outcome
The symposium was organized during 26 June – 1 July 2022 at Norwegian University of Science and Technology (NTNU), Trondheim, Norway. The last time, NTNU/NTH organized this symposium during 20 – 23 June 1988. It is an honor to organize the prestigious symposium again. The symposium included parallel sessions for the presentation of the research work, a concert, laboratory tour, scientific tour and cultural tour. The preparation of the symposium was started from the initial announcement in IAHR 2018 Kyoto, and after the formal approval from the Executive Committee. Formal invitation for IAHR 2022 Trondheim was sent out during IAHR 2020 Lausanne by the Chair of the organizing committee, Ole Gunnar Dahlhaug. The organization of the symposium was led by Chirag Trivedi.
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The symposium registration (welcome reception) was opened on 26 June (18:00 hrs) at Kafe To Tårn with beverages in Trondheim. There were around 45 delegates registered. The symposium was formally inaugurated by Stefan Riedelbauch on 27 June in Trondheim, NTNU Gløshaugen campus. The programme was streamed for the virtual participants. Stefan Riedelbauch has presented research related to hydraulic machinery and associated challenges in experimentations and scaling for the prototype machines. Later, Ole Gunnar Dahlhaug welcome the participants as a Chair of the organizing committee and presented historical development of the Waterpower Laboratory. Later, Asgeir Tomasgaard presented the research work related to energy transition in NTNU, and the main activities of FME center, NTRANS. Another presentation on FME center, hydropower, was presented by Liv Randi Hultgreen. Research and development activities under the hydropower center were presented, including the international collaborations with Europe, Asia, Africa and North America.
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The second day was started with the keynote speech on industrial research and development of high head turbines by Thorbjørn Hellum-Reppen from Rainpower. The keynote focused on some of the challenges related to manufacturing of the turbines over the period of 50 years and how advancements in manufacturing are made. The keynote speech highlighted that manufacturing and refurbishment of high head turbine runner is complex due to very small blade passages, and not necessarily meet the ideal design idea of drawing board. Another keynote speech was delivered by Andrea Pirocca from 45 Engineering. This keynote was part of Young Professional Network of IAHR and aimed to encourage young researchers with innovative idea, and business opportunity. Later part of the day, parallel sessions were organized for the authors. During evening hours, a tour of the Waterpower Laboratory was scheduled followed by Choir concert at the Nidaros Cathedral and Gala dinner at Britania Hotel. Choir concert at the Nidaros Cathedral was very good based on the feedback from the participants.
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Fifth day aimed for scientific and cultural tours depending on the interest of the participants. The scientific tour was planned to visit Nea Hydropower plant in Tydal, which is around two hours from Trondheim. The cultural tour was planned to visit Røros (UNESCO world heritage site), which is around two hours and thirty minutes travel time from Trondheim. Large part of the participants preferred to join the scientific tour. Overall, both tours were informative and enjoyable for the participants.
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