Torbjørn Kristian Nielsen
Background and activities
Scientific, academic and artistic work
A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database
Journal publications
- (2019) Flow and efficiency measurements with clamp-on ultrasonic equipment. Journal of Physics: Conference Series. vol. 1266.
- (2019) Analytical Evaluation of Head and Flow Rate Off-Design Characteristics for Pump as Turbine Application. Journal of Fluids Engineering - Trancactions of The ASME. vol. 141 (5).
- (2019) The elastic property of water and penstock's effect on the governor stability. IOP Conference Series: Earth and Environmental Science (EES). vol. 240 (5).
- (2019) Investigation of fluid transients in a penstock attached to a Francis turbine rig using seismic interferometry. Journal of Physics: Conference Series. vol. 1266 (1).
- (2019) Pressure pulsations during a fast transition from pump to turbine mode of operation in laboratory and field experiment. IOP Conference Series: Earth and Environmental Science (EES). vol. 240 (8).
- (2019) Transient hydraulic calculations with a linear turbine model derived from a nonlinear synthetic model. IOP Conference Series: Earth and Environmental Science (EES). vol. 240 (5).
- (2019) Francis-99 Workshop 3: Fluid structure interaction. Journal of Physics: Conference Series. vol. 1296 (1).
- (2019) Influence of draft tube water injection system on cavitation behaviour in a full-scale Francis turbine with visual access. IOP Conference Series: Earth and Environmental Science (EES). vol. 240.
- (2018) Transient characteristics during the closure of guide vanes in a pump-turbine in pump mode. Renewable Energy. vol. 118.
- (2018) Simulation and Discussion of Models for Hydraulic Francis Turbine Simulations. IFAC-PapersOnLine. vol. 51 (2).
- (2018) Fast transition from pump to turbine mode of operation. International Journal of Fluid Machinery and Systems. vol. 11 (3).
- (2017) Blade passage modeling strategy for hydraulic turbine. International Journal of Fluid Machinery and Systems. vol. 10 (4).
- (2017) Influence of guide vane setting in pump mode on performance characteristics of a pump-turbine. International Journal of Fluid Machinery and Systems. vol. 10 (2).
- (2017) The Effect of Surge Tank Throttling on Governor Stability, Power Control, and Hydraulic Transients in Hydropower Plants. IEEE transactions on energy conversion. vol. 32 (1).
- (2016) Hysteresis characteristic in the hump region of a pump-turbine model. Energies. vol. 9 (8).
- (2016) Influence of guide vane setting in pump mode on performance characteristics of a pump-turbine. IOP Conference Series: Earth and Environmental Science (EES). vol. 49 (4).
- (2016) Measuring the dynamic characteristics of a low specific speed pump-Turbine model. Energies. vol. 9 (3).
- (2015) Detection of Draft Tube Surge and Erosive Blade Cavitation in a Full-Scale Francis Turbine. Journal of Fluids Engineering - Trancactions of The ASME. vol. 137 (1).
- (2015) Simulation model for Francis and Reversible Pump Turbines. International Journal of Fluid Machinery and Systems. vol. 8 (3).
- (2015) Hydraulic scale modelling and thermodynamics of mass oscillations in closed surge tanks. Journal of Hydraulic Research. vol. 53 (4).