Nirmal Acharya - NTNU

Om

Forskning

Hydropower group

Publikasjoner

2022

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). volum 1037 (012016).
Vitenskapelig artikkel
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). volum 1079.
Vitenskapelig artikkel
Gautam, Saroj; Acharya, Nirmal; Lama, Ram; Chitrakar, Sailesh; Neopane, Hari Prasad; Zhu, Baoshan; Dahlhaug, Ole Gunnar. (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. volum 51.
Vitenskapelig artikkel

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. volum 14 (14).
Vitenskapelig artikkel
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). volum 174.
Vitenskapelig artikkel

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. volum 442-443.
Vitenskapelig artikkel

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). volum 1266 (012004).
Vitenskapelig artikkel

Tidsskriftspublikasjoner

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). volum 1037 (012016).
Vitenskapelig artikkel
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). volum 1079.
Vitenskapelig artikkel
Gautam, Saroj; Acharya, Nirmal; Lama, Ram; Chitrakar, Sailesh; Neopane, Hari Prasad; Zhu, Baoshan; Dahlhaug, Ole Gunnar. (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. volum 51.
Vitenskapelig artikkel
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. volum 14 (14).
Vitenskapelig artikkel
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). volum 174.
Vitenskapelig artikkel
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. volum 442-443.
Vitenskapelig artikkel
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). volum 1266 (012004).
Vitenskapelig artikkel