Online symposium on Current Research in Hydropower Technologies

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Ten students from NTNU/HydroCen made their presentations online when Kathmandu University decided to hold their 10th international symposium on Current Research in Hydropower Technologies (CHRT) online.

The conference was established in 2010 to be a meeting place for students, experts and researchers in hydropower technologies.

Every year a delegation from the NTNU (the Norwegian University of Science and Technology) visits the Turbine Testing Laboratory at Kathmandu University and participates at the symposium. This year, due to the situation with COVID 19 virus all the presentations and key notes are published online.

–It is an achievement to be able to hold this conference for the 10th time. It is impressive to see how the symposium has evolved and to see the that so many people are meeting and sharing information in order to build knowledge for each other, said Professor Ole Gunnar Dahlhaug.

Kathmandu University is one of the partners in HydroCen, and several HydroCen-projects are researching issues linked to hydropower in the Himalaya-region. The students presenting at the conference are also linked to these projects.

– Nepal and Norway have in common that we have tall mountains and lots of water.  I believe that hydropower could impact Nepal in a similar way that Norway has developed from hydropower, only much faster than our 100-year-story of hydropower research, said Dahlhaug.

But hydropower in the Himalayas raises many questions concerning technology, environment and sustainability.

–We would very much like to contribute, as a partner, so finding the answers to the questions that will come up in the decades to come, he said.

Here you can see Professor Dahlhaugs Key-note speech where he talks about the special relationship between NTNU and Kathmandu university, and how Nepal and Norway have hydropower in common.

Here is the entire program for the conference:

Remarks by the Vice Chancellor of Kathmandu University, Prof. Dr. Ram Kantha Makaju Shrestha

Welcome note by Prof. Bhola ThapaIntroduction to TTL and CRHT by Dr. Sailesh Chitrakar 

Keynote Presentations

  1. KU-NTNU cooperation within hydro turbines, Prof. Ole Gunnar Dahlhaug
  2. Green hydrogen as a future multi-disciplinary research at Kathmandu University, Asst. Prof. Biraj Singh Thapa
  3. Cooperation between WHU and KU in hydropower, Prof. Zhongdong Qian

Technical PresentationsSession I – Pump Technology

  1. Design of a reversible pump turbine (CRHTX-1), Jan-Karl Lasse Escher
  2. Average-value modelling of a Variable Speed Pumped-Storage plant (CRHTX-3), Jørgen Hagset Stavnesli
  3. Design of a contra-rotating booster pump (CRHTX-4), Ingrid Befring Hage
  4. Numerical simulation of cavitation on a Reversible Pump Turbine (CRHTX-18), Johan Christian Jenssen
  5. An experimental investigation of PAT in direct and reverse mode at Turbine Testing Lab (CRHTX-21), Samita Rimal
  6. Opportunity for research and manufacturing of pump in Nepal (CRHTX-47), Nischal Pokharel

Session II – Numerical Investigations

  1. Design optimization of Francis turbine draft tube (CRHTX-5), Ingelin Herland
  2. Vortex generators effect on trailing edge wake and fluid structure interaction (CRHTX-11)Hasan Besirovic
  3. Performance analysis of gravitational water vortex power plant using scale-down model (CRHTX-24)Ashish Sedai
  4. Design and optimization of butterfly valve disc using numerical simulation (CRHTX-28)Bikki Chhantyal
  5. Numerical investigation of flow field and performance of the Francis turbine of Bhilangana-III hydropower plant (CRHTX-34)Ram Thapa
  6. Numerical investigation on the effects of leakage flow from Guide vane-clearance gaps in low specific speed Francis turbines (CRHTX-45)Saroj Gautam
  7. Method of erosion prediction hill diagram to investigate the performance of Francis turbine operated in sediment laden water (CRHTX-46)Ram Lama

Session III – Experimental Investigations

  1. Test of a Francis turbine with variable speed operation (CRHTX-6)Gro Mari Kjellstadli Langleite
  2. Uncertainty evaluation of efficiency measurement in laboratory conditions (CRHTX-26)Prabin Dhakal
  3. Effect of welding pattern during repair and maintenance of Francis runner on sediment erosion: An experimental investigation using RDA (CRHTX-38)Devendra Sharma
  4. Investigation of mechanical properties of Brass Francis turbine manufactured by local investment casting technique in Nepal (CRHTX-42)Sangit Kattel
  5. Experimental and CFD study of influence of sediment size on efficiency of hydrocyclone for use as filtration device (CRHTX-43)Aman Kapali

Session IV – Design and Manufacturing of turbines

  1. Development of a model of Pelton runner for laboratory testing (CRHTX-20)Raman Budhathoki
  2. Enhancement of design and manufacturing capacity of Francis turbine in Nepal (CRHTX-27)Roshan Raj Mainali
  3. Application of Reverse Engineering method to model eroded Francis runner (CRHTX-41)Ashish Sedai
  4. A review on casting technology with the prospects on its application for hydro turbines (CRHTX-44)Abishek Kafle
  5. Design of Francis turbine for micro hydropower applications (CRHTX-48)Amul Ghimire

Session V – Components of Hydropower

  1. Analysis and improvement of  a mathematical turbine model (CRHTX-2)Ane Følgesvold Reines
  2. Pressure pulsations at Iveland Hydropower Plant (CRHTX-13)Erlend Røneid
  3. Signature investigation of typical faults on Francis turbines (CRHTX-15)Gine Kirkebøen Støren
  4. How to reduce gas supersaturation from hydropower plants (CRHTX-16)Maren Elise Rognerud
  5. Technical investigation of Nepalese electricity market – An econometric modelling approach (CRHTX-17)Nawaraj Sanjel
  6. Design and construction practices of hydropower tunnel in the Nepal Himalaya (CRHTX-30)Sujan Karki
  7. Tunnel support design in fault zone in hydropower tunnel in the Himalaya: A case study (CRHTX-31)Bimal Chhushyabaga

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