{"id":3036,"date":"2022-07-06T13:15:00","date_gmt":"2022-07-06T11:15:00","guid":{"rendered":"https:\/\/nyheter.ntnu.no\/?p=3036"},"modified":"2024-02-23T12:59:45","modified_gmt":"2024-02-23T11:59:45","slug":"green-energy-hydraulic-machinery-and-systems","status":"publish","type":"post","link":"https:\/\/nyheter.ntnu.no\/en\/green-energy-hydraulic-machinery-and-systems\/","title":{"rendered":"Green energy: Hydraulic Machinery and Systems"},"content":{"rendered":"\n

The Symposium on Hydraulic Machinery and Systems, widely known as IAHR symposium within hydraulic machinery community, is organized every second year. It is organized under the framework of the International Association for Hydro-Environment Engineering and Research (IAHR), which is founded in 1935. IAHR comprises of several technical divisions, provides operational framework for the Committees. The present symposium is organized under IAHR Hydraulics \u2013 Committee on Hydraulic Machinery and Systems<\/a>. The earliest Symposium on Hydraulic Machinery and Systems was organized around 1960; since then, the tradition is continued. The symposium combines both academic and industrial researchers on common platform and provides unique opportunity to share state-of-the-art knowledge and ideas.<\/p>\n\n\n\n

Hydropower and hydraulic machinery play an 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.<\/p>\n\n\n\n

Back in Trondheim after 34 years<\/h2>\n\n\n\n

The symposium<\/a> was organized during 26 June \u2013 1 July 2022 at Norwegian University of Science and Technology (NTNU), Trondheim, Norway. The last time, NTNU\/NTH organized this symposium during 20 \u2013 23 June 1988. It is an honor for us at NTNU 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.<\/p>\n\n\n

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A hybrid conference with both physical and digital attendance.<\/figcaption><\/figure>\n<\/div>\n\n\n

12 topics and 117 presentations<\/h2>\n\n\n\n

The symposium was divided into 12 distinct topics of hydraulic machinery and systems: (1) Intake system, (2) Hydraulic turbines, (3) Pump-turbines, (4) Multiphase flow, (5) Vortex breakdown, (6) Measurement techniques and signal processing, (7) Computational fluid dynamics and fluid structure interactions (8) Vibration and fatigue loading (9) Sustainable hydropower (10) Energy storage and flexibility, (11) smart grid, digital twin and artificial intelligence, (12) Selected topics. A total of 170 abstracts received for the symposium, and 122 manuscripts accepted for the symposium presentations. The total successful presentations of scientific work were 117, including physical and virtual participations. The organizing committee had made an additional arrangement for the virtual participants, who could not attend physically in Trondheim.<\/p>\n\n\n\n

Turbine fatigue, need for flexibility<\/h2>\n\n\n\n

The first keynote speech of the symposium was focused on the historical development of high head hydraulic turbines and associated challenges with some open questions. The keynote speech was presented by Bjarne B\u00f8rresen from Multiconsult. The challenges related to the turbine fatigue, need for the flexibility, and the open questions of rotor stator interactions, crack and fatigue loading were presented. Later part of the day, parallel sessions were organized for the authors to present their research work.<\/p>\n\n\n\n

Manufacturing challenges<\/h2>\n\n\n\n

The second day was started with the keynote speech on industrial research and development of high head turbines by Thorbj\u00f8rn 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<\/a>. This keynote was part of Young Professional Network<\/a> 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. The choir concert at the Nidaros Cathedral was very good based on the feedback from the participants!<\/p>\n\n\n

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Overview of the interior in the Waterpower lab, during the tour.<\/figcaption><\/figure>\n<\/div>\n\n\n

Digitization<\/h2>\n\n\n\n

The third day of the symposium started with a keynote speech on digitization of hydropower by Joakim Gundersen from Hafslund Eco Vannkraft AS. The keynote speech focused on state-of-the-art of digitization and condition monitoring in the context of the hydropower plant. A considerable progress has been made in condition monitoring however the conclusion was that there is long way to go and transform the analogue system into the real-time condition monitoring. The speaker also emphasized that real-time monitoring helped to prevent the breakdown and the long downtime of the powerplant, which helped to minimize the production cost. Later part of the day, parallel sessions were organized for the authors. During the evening hours, a tour of the Waterpower Laboratory was scheduled for another group. Participants had opportunity to see the research results from the different on-going research projects, they discussed with the PhD students and postdoctoral researchers in the laboratory. They also discussed the different challenges in the experimental numerical work, and possible cooperation to mitigate the challenges.<\/p>\n\n\n

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Turbine presentation on the Waterpower lab.<\/figcaption><\/figure>\n<\/div>\n\n\n

The fourth day of the symposium was started with keynote speech on challenges and research progress of the medium and low head turbines. The keynote speech was delivered by Carl-Maikel H\u00f6gstr\u00f6m & Jens \u00d6sterud combined from Vattanfall AB. The keynote speech was focused on state-of-the-art experimentations in the Vattanfall Research and Development laboratory under various projects, and challenges related to the need for the flexible energy, added mass, etc. The main challenge was the scaling of the research results in the laboratory environment to the prototype environment, specifically the dynamic part of the results. The laboratories have certain limitations due to short intake and influence of feed pump to mimic the prototype environment. Later part of the day, parallel sessions were organized for the authors. The closing ceremony was led by Stefan Riedelbauch as Chair of the executive committee. Stefan Riedelbauch has presented the summary of executive committee meeting, which was held on 27 June, and upcoming event of IAHR during 2023 and 2024. Chirag Trivedi presented the overall statistics of the symposium for the participants followed by the presentation from Arun Kumar to host 32nd<\/sup> Symposium on Hydraulic Machinery and Systems.<\/p>\n\n\n\n

Scientific tour in Tydal<\/h2>\n\n\n\n

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<\/a> in Tydal, which is around two hours from Trondheim. The cultural tour was planned to visit R\u00f8ros<\/a> (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.<\/p>\n\n\n

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Tour photo no. 1: With helmets before the tour inside the power plant.<\/figcaption><\/figure>\n<\/div>\n\n
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Tour photo no. 2: Entering the tunnels.<\/figcaption><\/figure>\n<\/div>\n\n
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Tour photo no. 3: Hidden, at the heart, is the turbine.<\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"

A post symposium summary of the 31st Symposium on Hydraulic Machinery and Systems (IAHR 2022) in Trondheim.<\/p>\n","protected":false},"author":80,"featured_media":3032,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[127],"tags":[516,39,591],"theme":[],"class_list":["post-3036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-energy","tag-energy-and-process-engineering","tag-engineering"],"acf":[],"yoast_head":"\nGreen energy: Hydraulic Machinery and Systems - NTNU Nyheter<\/title>\n<meta name=\"description\" content=\"A post symposium summary of the 31st Symposium on Hydraulic Machinery and Systems (IAHR 2022) in Trondheim.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nyheter.ntnu.no\/en\/green-energy-hydraulic-machinery-and-systems\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Green energy: Hydraulic Machinery and Systems - 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