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Showing results 1-50 of 171 << Previous 1 2 3 4    Next >>

2024
1 Chaciga, Jimmy; Nyeinga, Karidewa; Okello, Denis; Nydal, Ole Jørgen.
Design and experimental analysis on a single tank energy storage system integrated with a cooking unit using funnel system. Journal of Energy Storage 2024 ;Volume 79. p. -
NTNU Untitled
 
2023
2 Kahsay, Mulu Bayray; Nydal, Ole Jørgen.
Degradation of viscosity of vegetable oils employed for thermal energy storage due to oxidation in ambient temperature. Journal of Energy Storage 2023 ;Volume 73. p. -
NTNU Untitled
 
3 Nydal, Ole Jørgen.
Heat Storage for Cooking: A Discussion on Requirements and Concepts. Energies 2023 ;Volume 16.(18) p. -
NTNU Untitled
 
2022
4 Kajumba, Pamella K.; Okello, Denis; Nyeinga, Karidewa; Nydal, Ole Jørgen.
Assessment of the energy needs for cooking local food in Uganda: A strategy for sizing thermal energy storage with cooker system. Energy for Sustainable Development 2022 ;Volume 67. p. 67-80
NTNU Untitled
 
5 Lwiwa, Casiana Blasius; Nydal, Ole Jørgen.
A Ray Tracer for optimizing solar concentrating systems: Thecase of discretized Compound Parabolic Concentrator. I: Proceedings of the 63rd International Conference of Scandinavian Simulation Society, SIMS 2022, Trondheim, Norway, September 20-21, 2022. Linköping University Electronic Press 2022 ISBN 978-91-7929-545-5. p. 15-18
NTNU Untitled
 
6 ; Novoseltsev, Yury.
Testing and Modelling of a Wax Control System for Cold Flow Transport of Waxy Oil. Norges teknisk-naturvitenskapelige universitet 2022 (ISBN 978-82-326-6050-6)
NTNU UIS Untitled
 
7 Plasencia Cabanillas, Jose Luis; Inkson, Nathanael; Nydal, Ole Jørgen.
Research on the viscosity of stabilized emulsions in different pipe diameters using pressure drop and phase inversion. Experimental and Computational Multiphase Flow (ECMF) 2022 ;Volume 4.(3) p. 241-263
NTNU Untitled
 
8 Syikilili, Adela M.; Nydal, Ole Jørgen; Kimambo, Cuthbert Z.; Kihedu, Joseph H..
Effect of pipeline inclination on multiphase flow. Experimental and Computational Multiphase Flow (ECMF) 2022 ;Volume 4.(4) p. 377-388
NTNU Untitled
 
2020
9 Kajumba, Pamella K.; Okello, Denis; Nyeinga, Karidewa; Nydal, Ole Jørgen.
Experimental investigation of a cooking unit integrated with thermal energy storage system. Journal of Energy Storage 2020 ;Volume 32. p. 1-12
NTNU Untitled
 
10 Nydal, Ole Jørgen; Thaule, Sigurd; Kolderup, Marie; Gustafson, Kaja; Bjerre, Per.
Passive solar system to store heat for cooking. ISES Solar World Congress 2019 2020 p. -
NTNU Untitled
 
2019
11 Thorsen, Mats Jørgen; Challabotla, Niranjan Reddy; Sævik, Svein; Nydal, Ole Jørgen.
A numerical study on vortex-induced vibrations and the effect of slurry density variations on fatigue of ocean mining risers. Ocean Engineering 2019 ;Volume 174. p. 1-13
NTNU Untitled
 
12 Vieiro Medina, Joaquin Jose; Akhiiartdinov, Anvar; Sævik, Svein; Larsen, Carl Martin; Nydal, Ole Jørgen.
Two-way coupled fluid-structure interaction of gas-liquid slug flow in a flexible riser: Small-scale experiments and simulations. Multiphase Science and Technology 2019 ;Volume 31.(1) p. 27-43
NTNU Untitled
 
2018
13 Challabotla, Niranjan Reddy; Smith, Ivar Eskerud; Nydal, Ole Jørgen; Sævik, Svein.
Simulation of two-phase flow in airlift pump using 1D two-fluid model. Underwater Mining Conference 2018; 2018-09-10 - 2018-09-14
NTNU SINTEF Untitled
 
14 Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Nydal, Ole Jørgen.
Beam Steering Lens Array for Solar Cooking. Consolfood 2018; 2018-01-22 - 2018-01-24
NTNU Untitled
 
15 Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Nydal, Ole Jørgen.
Beam Steering Lens Array for Solar Cooking. The 10th International SolarZentrum Conference for food quality, solar cooking, drying, farming, and gardening; 2018-05-25 - 2018-05-26
NTNU Untitled
 
16 Nydal, Ole Jørgen.
Multiphase Transport. Short Course; 2018-01-23 - 2018-01-30
NTNU Untitled
 
17 Nydal, Ole Jørgen; Nielsen, Torbjørn Kristian.
African University Collaboration on Renewable Energy. Innspill seminar NTNU; 2018-01-11 - 2018-01-11
NTNU Untitled
 
18 Wang, Zhibin; Guo, Liejin; Zhu, Suyang; Nydal, Ole Jørgen.
Prediction of the critical gas velocity of liquid unloading in a horizontal gas well. SPE Journal 2018 ;Volume 23.(2) p. 328-345
NTNU Untitled
 
2017
19 Du, Xiaoju; Nydal, Ole Jørgen.
Flow models and numerical schemes for single/two-phase transient flow in one dimension. Applied Mathematical Modelling 2017 ;Volume 42. p. 145-160
NTNU Untitled
 
20 Hailu, Mesele Hayelom; Nydal, Ole Jørgen; Kahsay, Mulu B; Tesfay, Asfafaw Haileselassie.
A direct solar fryer for injera baking application. Solar World Congress 2017; 2017-10-29 - 2017-11-02
NTNU Untitled
 
21 John, Michael; Kimambo, Cuthbert Z.M.; Eikevik, Trygve Magne; Nydal, Ole Jørgen; Kihedu, Joseph.
Potential Application of Commersial Refrigerants as Adsorbate in Adsorption Refrigeration Systems. IEA SHC International Conference on Solar Heating and Cooling for Buildings and Industry; 2017-10-29 - 2017-11-02
NTNU Untitled
 
22 Nydal, Ole Jørgen.
EnPe Project: Capacity Building in Renewable Energy Education and Research. NTNU activities. Yearly project meeting; 2017-12-12 - 2017-12-12
NTNU Untitled
 
23 Nydal, Ole Jørgen.
EnPe Project: Master program in Oil and Gas Technology. NTNU activities. Yearly project meeting; 2017-12-11 - 2017-12-11
NTNU Untitled
 
24 Nydal, Ole Jørgen.
Slug flow and structure coupling - 1D models and small scale experiments. Web seminar; 2017-01-04 - 2017-01-04
NTNU Untitled
 
25 Nydal, Ole Jørgen.
Slug flow and structure coupling 1D models and small scale experiments. Multiphase FIV Special Interest Group Meeting; 2017-11-30 - 2017-11-30
NTNU Untitled
 
26 Nydal, Ole Jørgen.
Solar heat storage for cooking. Besøk Namibia Univ. Science and Technology og Namibia Energy Institute; 2017-03-30 - 2017-03-30
NTNU Untitled
 
27 Nydal, Ole Jørgen.
Solar heat storage for cooking. Visit Norwegian Embassy Kampala; 2017-03-17 - 2017-03-17
NTNU Untitled
 
28 Nydal, Ole Jørgen.
Solar heat storage for cooking. NM-AIST Arusha March 20th -21st 2017 Knowledge Sharing Forum on Energy Engineering Education and Research; 2017-03-20 - 2017-03-21
NTNU Untitled
 
29 Nydal, Ole Jørgen.
Solar heat storage for cooking. Visit NWU South Africa; 2017-03-27 - 2017-03-28
NTNU Untitled
 
30 Nyeinga, Karidewa; Denis, Okello; Bernard, Tabu; Nydal, Ole Jørgen.
Experimental Investigation of Thermal Perfomance for Selected Oils for Solar Thermal Energy Storage and Rural Cooking Application. Solar World Conference 2017; 2017-10-29 - 2017-11-02
NTNU Untitled
 
2016
31 Denis, Okello; Nydal, Ole Jørgen; Nyeinga, Karidewa; Banda, Eldad JK.
Experimental investigation on heat extraction from a rock bed heat storage system for high temperature applications. Journal of Energy in Southern Africa 2016 ;Volume 27.(2) p. 30-37
NTNU Untitled
 
32 Nydal, Ole Jørgen.
Nytt tårn, nye muligheter. Adresseavisen 2016
NTNU Untitled
 
33 Nydal, Ole Jørgen.
Small scale solar thermal energy system Experiences with air based heat transfer and rock bed heat storage. International Conference on the Advancement of Green Energy Technology (IC-GET-2016); 2016-04-15 - 2016-04-18
NTNU Untitled
 
34 Nydal, Ole Jørgen.
University collaboration on solar energy for cooking: technology development and social adaptation studies. Development Research Conference Stockholm; 2016-04-22 - 2016-04-24
NTNU Untitled
 
35 Nydal, Ole Jørgen.
1D models for gas-liquid slug flow. ERCOFTAC Oil&Gas Seminar; 2016-04-20 - 2016-04-21
NTNU Untitled
 
36 Nydal, Ole Jørgen.
1D multiphase pipe flow modeling. Ocean Week NTNU; 2016-05-09 - 2016-05-12
NTNU Untitled
 
37 Nydal, Ole Jørgen; Fosseng, Silje; Skahjem, Ragnhild.
Oil based Solar Heat Collection and Storage. Southern African Solar Energy Conference 2016; 2016-10-31 - 2016-11-02
NTNU Untitled
 
38 Nydal, Ole Jørgen; Fossum, Silje; Skahjem, Ragnhild; Paul, Svendsen; Marius, Laukholm; Foss Hansen, Benjamin.
Heat Storage for Hybrid Renewable Energy Storage Solar Heat Batteries. Technoport; 2016-03-02 - 2016-03-02
NTNU Untitled
 
39 Nyeinga, Karidewa; Nydal, Ole Jørgen; Okello, Denis; Banda, Eldad John K.B..
Dynamic model of a small scale concentrating solar cooker with rock bed heat storage. Journal of Energy in Southern Africa 2016 ;Volume 27.(1) p. 20-27
NTNU Untitled
 
40 Park, Sangmin; Kim, Minseong; Nydal, Ole Jørgen; Lee, In-Beum.
Mitigation of Pig-induced Slugs by Combination of By-pass Pig and Inlet Separator Dual Control Valves. Oil Technology Conference Asia; 2016-03-22 - 2016-03-25
NTNU Untitled
 
41 Schümann, Heiner; Chandra, Pankaj; Nydal, Ole Jørgen.
Oil-water pipe flow development after a valve. 9th International Conference on Multiphase Flow; 2016-05-22 - 2016-05-27
NTNU SINTEF Untitled
 
42 Schümann, Heiner; Tutkun, Murat; Nydal, Ole Jørgen.
Experimental study of dispersed oil-water flow in a horizontal pipe with enhanced inlet mixing, Part 2: In-situ droplet measurements. Journal of Petroleum Science and Engineering 2016 ;Volume 145. p. 753-762
NTNU UiO IFE SINTEF Untitled
 
43 Schümann, Heiner; Tutkun, Murat; Yang, Zhi Lin; Nydal, Ole Jørgen.
Experimental study of dispersed oil-water flow in a horizontal pipe with enhanced inlet mixing, Part 1: Flow patterns, phase distributions and pressure gradients. Journal of Petroleum Science and Engineering 2016 ;Volume 145. p. 742-752
UiO NTNU SINTEF IFE Untitled
 
44 Smith, Ivar Eskerud; Nydal, Ole Jørgen.
The effect of boundary conditions and droplet entrainment on severe slugging using a Lagrangian slug tracking model. International Journal of Multiphase Flow 2016 ;Volume 85. p. 245-257
NTNU Untitled
 
2015
45 Akselsen, Andreas Holm; Nydal, Ole Jørgen.
Applying Multiple Grids to a Multi-Field Model - The Resolution Requirements of Individual Fields in the Two-Fluid Model for 1D Pipe Flow. Journal of Dispersion Science and Technology 2015 ;Volume 36.(10) p. 1378-1387
NTNU Untitled
 
46 Andrea, Schmueli; M, Borregales; Asuaje, Miguel; Nydal, Ole Jørgen.
Modelling of liquid droplets concentration profiles in stratified-annular flows. Multiphase 2015; 2015-06-10 - 2015-06-12
NTNU Untitled
 
47 Edvardsen, Svein; Dorao, Carlos Alberto; Nydal, Ole Jørgen.
Experimental and numerical study of single-phase pressure drop in downhole shut-in valve. Journal of Natural Gas Science and Engineering 2015 ;Volume 22. p. 214-226
NTNU Untitled
 
48 Edvardsen, Svein; Dorao, Carlos Alberto; Nydal, Ole Jørgen.
Experimental and numerical study of two-phase pressure drop in downhole shut-in valve with Unified Comprehensive Model formulation. Journal of Natural Gas Science and Engineering 2015 ;Volume 23. p. 440-449
NTNU Untitled
 
49 Edvardsen, Svein; Dorao, Carlos Alberto; Nydal, Ole Jørgen.
Multiphase flow in complex valve geometry. Energy Procedia 2015 p. 91-100
NTNU Untitled
 
50 Grødahl, Steinar; Yang, Zhilin; Nydal, Ole Jørgen.
Small scale experiments on surge waves in low liquid loaded pipes. Multiphase 2015; 2015-06-10 - 2015-06-12
NTNU Untitled
 
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