Nirmal Acharya
About
Mechanical Engineer by profession focussed with research and development of hydraulic turbines and hydropower!
Competencies
Research
DigiSur project aims to utilize the advances in digitization for optimizing the maintenance of Pelton runners and thereby reducing the need for larger refurbishments which is funded by HydroCen project.
Publications
2022
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2022)
Application of hydro-abrasive erosion model from IEC
62364:2019 standard in Francis turbines.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2022)
Development of simplified model for prediction of
sediment induced erosion in Francis turbine’s sidewall
gaps
.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Gautam, Saroj;
Acharya, Nirmal;
Lama, Ram;
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Zhu, Baoshan.
(2022)
Numerical and experimental investigation of erosive wear in Francis runner blade optimized for sediment laden hydropower projects in Nepal.
Sustainable Energy Technologies and Assessments
Academic article
2021
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2021)
Leakage Vortex Progression through a Guide Vane’s Clearance
Gap and the Resulting Pressure Fluctuation in a Francis Turbine.
Energies
Academic article
-
Acharya, Nirmal;
Trivedi, Chirag;
Gautam, Saroj;
Dahlhaug, Ole Gunnar.
(2021)
Investigation of sediment erosion phenomenon for different blade angle distribution in Francis runner.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
2020
-
Gautam, Saroj;
Neopane, Hari Prasad;
Acharya, Nirmal;
Chitrakar, Sailesh;
Thapa, Biraj Singh;
Zhu, Baoshan.
(2020)
Sediment erosion in low specific speed Francis turbines: A case study on effects and causes.
Wear
Academic article
2019
-
Acharya, Nirmal;
Trivedi, Chirag;
Wahl, Nina Marie;
Gautam, S;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2019)
Numerical study of sediment erosion in guide vanes of a high head Francis turbine.
Journal of Physics: Conference Series (JPCS)
Academic article
Journal publications
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2022)
Application of hydro-abrasive erosion model from IEC
62364:2019 standard in Francis turbines.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2022)
Development of simplified model for prediction of
sediment induced erosion in Francis turbine’s sidewall
gaps
.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Gautam, Saroj;
Acharya, Nirmal;
Lama, Ram;
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Zhu, Baoshan.
(2022)
Numerical and experimental investigation of erosive wear in Francis runner blade optimized for sediment laden hydropower projects in Nepal.
Sustainable Energy Technologies and Assessments
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2021)
Leakage Vortex Progression through a Guide Vane’s Clearance
Gap and the Resulting Pressure Fluctuation in a Francis Turbine.
Energies
Academic article
-
Acharya, Nirmal;
Trivedi, Chirag;
Gautam, Saroj;
Dahlhaug, Ole Gunnar.
(2021)
Investigation of sediment erosion phenomenon for different blade angle distribution in Francis runner.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Gautam, Saroj;
Neopane, Hari Prasad;
Acharya, Nirmal;
Chitrakar, Sailesh;
Thapa, Biraj Singh;
Zhu, Baoshan.
(2020)
Sediment erosion in low specific speed Francis turbines: A case study on effects and causes.
Wear
Academic article
-
Acharya, Nirmal;
Trivedi, Chirag;
Wahl, Nina Marie;
Gautam, S;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2019)
Numerical study of sediment erosion in guide vanes of a high head Francis turbine.
Journal of Physics: Conference Series (JPCS)
Academic article