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2017
1 Cervantes, Michel; Trivedi, Chirag; Dahlhaug, Ole Gunnar; Nielsen, Torbjørn Kristian.
Francis-99 Workshop 2: transient operation of Francis turbines. Journal of Physics, Conference Series 2017 ;Volum 782.(1)
NTNU Untitled
 
2 Vereide, Kaspar; Svingen, Bjørnar; Nielsen, Torbjørn Kristian; Lia, Leif.
The Effect of Surge Tank Throttling on Governor Stability, Power Control, and Hydraulic Transients in Hydropower Plants. IEEE transactions on energy conversion 2017 ;Volum 32.(1) s. 91-98
NTNU Untitled
 
2016
3 Li, Deyou; Wang, Hongjie; Chen, Jinxia; Nielsen, Torbjørn Kristian; Qin, Daqing; Wei, Xianzhu.
Hysteresis characteristic in the hump region of a pump-turbine model. Energies 2016 ;Volum 9.(8)
NTNU Untitled
 
4 Li, Deyou; Wang, Hongjie; Nielsen, Torbjørn Kristian; Gong, Ruzhi; Wei, Xianzhu; Qin, Daqing.
Influence of guide vane setting in pump mode on performance characteristics of a pump-turbine. IOP Conference Series: Earth and Environment 2016 ;Volum 49.(4) s. -
NTNU Untitled
 
5 Nocente, Alessandro; Arslan, Tufan; Jasinski, Daniel; Nielsen, Torbjørn Kristian.
A Study of Flow inside a Centrifugal Pump: High Performance Numerical Simulations Using GPU cards. ISROMAC16 - International Symposium on Transport Phenomena and Dynamics of Rotating Machinery; 2016-04-10 - 2016-04-15
NTNU Untitled
 
6 Solemslie, Bjørn Winther.
Experimental methods and design of a Pelton bucket. Trondheim: NTNU 2016 (ISBN 978-82-326-0860-7) 167 s. Doktoravhandlinger ved NTNU(2016:01)
NTNU Untitled
 
7 Thapa, Biraj Singh.
Effects of sediment erosion in guide vanes of Francis turbines. Trondheim: Skipnes Kommunikasjon as 2016 (ISBN 978-82-326-1859-0) 205 s.
NTNU Untitled
 
8 Vereide, Kaspar.
Hydraulics and Thermodynamics of Closed Surge Tanks for Hydropower Plants. Trondheim: Skipnes Kommunikasjon as 2016 (ISBN 978-82-326-1386-1) ;Volum 2016.99 s. Doktoravhandlinger ved NTNU(20)
NTNU Untitled
 
9 Walseth, Eve Cathrin; Nielsen, Torbjørn Kristian; Svingen, Bjørnar.
Measuring the dynamic characteristics of a low specific speed pump-Turbine model. Energies 2016 ;Volum 9.(3) s. -
NTNU Untitled
 
10 Wiborg, Erik Jacques.
Continuous Efficiency Measurements on Hydro Power Plants. Trondheim: NTNU 2016 (ISBN 978-82-326-1998-6) 209 s. Doktoravhandlinger ved NTNU(2016:330)
NTNU Untitled
 
2015
11 Cervantes, Michel; Trivedi, Chirag; Dahlhaug, Ole Gunnar; Nielsen, Torbjørn Kristian.
Francis-99 Workshop 1: steady operation of Francis turbines. Journal of Physics, Conference Series 2015 ;Volum 579. s. -
NTNU Untitled
 
12 Escaler, Xavier; Ekanger, Jarle Vikør; Francke, Håkon Hjort; Kjeldsen, Morten; Nielsen, Torbjørn Kristian.
Detection of Draft Tube Surge and Erosive Blade Cavitation in a Full-Scale Francis Turbine. Journal of Fluids Engineering - Trancactions of The ASME 2015 ;Volum 137.(1) s. -
NTNU Untitled
 
13 Nielsen, Torbjørn Kristian.
Simulation model for Francis and Reversible Pump Turbines. International Journal of Fluid Machinery and Systems 2015 ;Volum 8.(3) s. 169-182
NTNU Untitled
 
14 Nocente, Alessandro; Arslan, Tufan; Nielsen, Torbjørn Kristian.
Numerical Prediction of a Multistage Centrifugal Pump Performance With Stationary and Moving Mesh. I: ASME 2015 Power Conference collocated with the ASME 2015 9th International Conference on Energy Sustainability, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. ASME Press 2015 ISBN 978-0-7918-5660-4. s. -
NTNU Untitled
 
15 Nocente, Alessandro; Arslan, Tufan; Nielsen, Torbjørn Kristian.
Numerical Simulation of Flow inside Centrifugal Pump by two different Solvers. I: Proceedings of MekIT'15 Eighth National Conference on Computational Mechanics. International Center for Numerical Methods in Engineering (CIMNE) 2015 ISBN 97884944244-96. s. 333-342
NTNU Untitled
 
16 Vereide, Kaspar; Lia, Leif; Nielsen, Torbjørn Kristian.
Hydraulic scale modelling and thermodynamics of mass oscillations in closed surge tanks. Journal of Hydraulic Research 2015 ;Volum 53.(4) s. 519-524
NTNU Untitled
 
17 Vereide, Kaspar; Tekle, Torbjørn; Nielsen, Torbjørn Kristian.
Thermodynamic Behaviour and Heat Transfer in Closed Surge Tanks for Hydropower Plants. Journal of Hydraulic Engineering 2015 ;Volum 141.(6) s. -
NTNU Untitled
 
2014
18 Kaunda, Chiyembekezo Suzgo; Kimambo, C.Z.; Nielsen, Torbjørn Kristian.
A technical discussion on microhydropower technology and its turbines. Renewable & Sustainable Energy Reviews 2014 ;Volum 35. s. 445-459
NTNU Untitled
 
19 Kaunda, Chiyembekezo Suzgo; Kimambo Z, Cuthbert; Nielsen, Torbjørn Kristian.
A numerical investigation of flow profile and performance of a low cost Crossflow turbine. The International Journal of Energy and Environment 2014 ;Volum 5.(3) s. 275-296
NTNU Untitled
 
20 Nielsen, Torbjørn Kristian; Storli, Pål-Tore Selbo.
Measurements and simulations of turbines on common grid. IOP Conference Series: Earth and Environment 2014 ;Volum 22.(4) s. -
NTNU Untitled
 
21 Nielsen, Torbjørn Kristian; Svarstad, Magni Fjørtoft.
Unstable behaviour of RPT when testing turbine characteristics in the laboratory. IOP Conference Series: Earth and Environment 2014 ;Volum 22. s. -
NTNU Untitled
 
22 Snøfugl, Ingvil; Storli, Pål-Tore Selbo; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar; Lia, Leif.
Nytt vannkraftsenter skal lokke ungdom vekk fra oljebransjen. Teknisk Ukeblad nettavis [Internett] 2014-02-10
NTNU Untitled
 
23 Storli, Pål-Tore Selbo; Nielsen, Torbjørn Kristian.
Dynamic load on a Francis turbine runner from simulations based on measurements. IOP Conference Series: Earth and Environment 2014 ;Volum 22.(3) s. -
NTNU Untitled
 
24 Storli, Pål-Tore Selbo; Nielsen, Torbjørn Kristian; Lundgren, Silje Strand.
Vannkraft: Europas grønne batteri. Under Dusken [Tidsskrift] 2014-03-11
NTNU Untitled
 
25 Vereide, Kaspar; Lia, Leif; Nielsen, Torbjørn Kristian.
Physical Modelling of Hydropower Waterway with Air Cushion Surge Chamber (ISBN 9781742721156). 5th International Symposium on Hydraulic Structures; 2014-06-25 - 2014-06-25
NTNU Untitled
 
26 Wiborg, Erik Jacques; Hulaas, Harald; Francke, Håkon Hjort; Nielsen, Torbjørn Kristian.
Applied statistical quality control on field measurement data. IGHEM 2014; 2014-09-06 - 2014-09-19
NTNU Untitled
 
2013
27 Harby, Atle; Sauterleute, Julian; Korpås, Magnus; Killingtveit, Ånund; Solvang, Eivind; Nielsen, Torbjørn Kristian.
Pumped Storage Hydropower. I: Transition to Renewable Energy Systems. Wiley-VCH Verlagsgesellschaft 2013 ISBN 978-3-527-33239-7. s. 597-617
ENERGISINT NTNU Untitled
 
28 Harby, Atle; Sauterleute, Julian; Korpås, Magnus; Killingtveit, Ånund; Solvang, Eivind; Nielsen, Torbjørn Kristian.
Pumped Storage Hydropower. 3rd International Conference on Energy Process Engineering; 2013-06-04 - 2013-06-06
ENERGISINT NTNU Untitled
 
29 Nielsen, Torbjørn Kristian.
Hydropower and pumped storage. I: Handbook of Energy. World Scientific 2013 ISBN 978-981-4343-51-0. s. 275-305
NTNU Untitled
 
30 Zhao, Wei; Billdal, Jan Tore; Nielsen, Torbjørn Kristian; Brekke, Håvard.
Study on the leakage flow through a clearance gap between two stationary walls. IOP Conference Series: Earth and Environment 2013 ;Volum 15. s. -
NTNU Untitled
 
2012
31 Olimstad, Grunde; Nielsen, Torbjørn Kristian; Børresen, Bjarne.
A Two-Dimensional Model for Pump-Turbine Instability Investigations. ISROMAC; 2012-02-27 - 2012-03-03
NTNU Untitled
 
32 Olimstad, Grunde; Nielsen, Torbjørn Kristian; Børresen, Bjarne.
Dependency on Runner Geometry for Reversible-Pump Turbine Characteristics in Turbine Mode of Operation. Journal of Fluids Engineering - Trancactions of The ASME 2012 ;Volum 134.(12) s. -
NTNU Untitled
 
33 Olimstad, Grunde; Nielsen, Torbjørn Kristian; Børresen, Bjarne.
Geomatry Impact on Pump-Turbine Characteristics. ISROMAC; 2012-02-27 - 2012-03-03
NTNU Untitled
 
34 Olimstad, Grunde; Nielsen, Torbjørn Kristian; Børresen, Bjarne.
Stability Limits of Reversible-Pump Turbines in Turbine Mode of Operation and Measurements of Unstable Characteristics. Journal of Fluids Engineering - Trancactions of The ASME 2012 ;Volum 134.(11) s. -
NTNU Untitled
 
35 Walseth, Eve Cathrin; Svingen, Bjørnar; Nielsen, Torbjørn Kristian.
Comprehensive experimental study of instability in a reversible pump-turbine model at no-load operation. Hydro 2012; 2012-10-29 - 2012-10-31
NTNU Untitled
 
36 Walseth, Eve Cathrin; Svingen, Bjørnar; Nielsen, Torbjørn Kristian.
Investigation of a 1D-model for simulating the characteristics of a high head Francis turbine. 14th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery. ISROMAC-14; 2012-02-27 - 2012-03-02
NTNU Untitled
 
2011
37 Storli, Pål-Tore Selbo; Nielsen, Torbjørn Kristian.
The quality of Norwegian grid frequency and the consequences for pumped storage. Pumped Storage Powerplants; 2011-11-23 - 2011-11-24
NTNU Untitled
 
38 Storli, Pål-Tore Selbo; Nielsen, Torbjørn Kristian.
Transient Friction in Pressurized Pipes. I: Investigation of Zielke's Model. Journal of Hydraulic Engineering 2011 ;Volum 137.(5) s. 577-584
NTNU Untitled
 
39 Storli, Pål-Tore Selbo; Nielsen, Torbjørn Kristian.
Transient Friction in Pressurized Pipes. II: Two-Coefficient Instantaneous Acceleration-Based Model. Journal of Hydraulic Engineering 2011 ;Volum 137.(6) s. 679-695
NTNU Untitled
 
40 Storli, Pål-Tore Selbo; Nielsen, Torbjørn Kristian.
Transient Friction in Pressurized Pipes. III: Investigation of the EIT Model Based on Position-Dependent Coefficient Approach in MIAB Model. Journal of Hydraulic Engineering 2011 ;Volum 137.(9) s. 1047-1053
NTNU Untitled
 
41 Walseth, Eve Cathrin; Svingen, Bjørnar; Nielsen, Torbjørn Kristian.
Investigating the effect of turbine characteristics on the pressure response of a system. IAHR 4th international conference on cavitation and dynamic problems in hydraulic machinery and systems; 2011-10-26 - 2011-10-28
NTNU Untitled
 
2010
42 Doorman, Gerard L.; Killingtveit, Ånund; Nielsen, Torbjørn Kristian.
Norsk vannkraft og klimatrusselen. Adresseavisen 2010 s. 43-43
NTNU Untitled
 
43 Jonsson, Pontus P.; Ramdal, Jørgen; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar; Cervantes, Michel.
The Pressure-Time measurements project at LTU and NTNU. International Group for Hydraulic Efficiency Measurements; 2010-10-21 - 2010-10-23
NTNU Untitled
 
44 Kobro, Einar; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar.
Data Analysis From Onboard Francis Model Runner Pressure Measurements. The 13th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery; 2010-04-04 - 2010-04-09
NTNU Untitled
 
45 Nielsen, Torbjørn Kristian; Olimstad, Grunde.
Dynamic Behaviour of Reversible Pump-Turbines in Turbine Mode of Operation. ISROMAC; 2010-04-04 - 2010-04-07
NTNU Untitled
 
46 Ramdal, Jørgen; Jonsson, Pontus P.; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar; Cervantes, Michel.
Uncertainties for Pressure-Time Efficiency Measurements. International Group for Hydraulic Efficiency Measurements; 2010-10-21 - 2010-10-23
NTNU Untitled
 
47 Ramdal, Jørgen; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar.
UNCERTAINTY AND PERFORMANCE OF A LOW HEAD THERMODYNAMIC MEASUREMENT. International Group for Hydraulic Efficiency Measurements; 2010-10-21 - 2010-10-23
NTNU Untitled
 
48 Ramdal, Jørgen; Nielsen, Torbjørn Kristian; Jonsson, Pontus P..
Influence from bends on a pressure-time measurement. IOP Conference Series: Earth and Environment 2010 ;Volum 12.(1) s. -
NTNU Untitled
 
49 Walseth, Eve Cathrin; Nielsen, Torbjørn Kristian.
Reversible Pumped Hydro-Benefits and Challenges. Renewable Energy Research Conference; 2010-06-07 - 2010-06-08
NTNU Untitled
 
50 Zhao, Wei; Nielsen, Torbjørn Kristian; Billdal, Jan Tore.
An Experimental Study on Leakage Flow in Different Geometrical Disk Seals. 9th International Conference on Hydrodynamics; 2010-10-11 - 2010-10-15
NTNU Untitled
 
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