2018

• Foredrag
  Challabotla, Niranjan Reddy; Smith, Ivar Eskerud; Nydal, Ole Jørgen; Sævik, Svein. (2018) Simulation of two-phase flow in airlift pump using 1D two-fluid model. Underwater Mining Conference 2018
• Konferanseforedrag
  Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Nydal, Ole Jørgen. (2018) Beam Steering Lens Array for Solar Cooking. The 10th International SolarZentrum Conference for food quality, solar cooking, drying, farming, and gardening
• Konferanseforedrag
  Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Nydal, Ole Jørgen. (2018) Beam Steering Lens Array for Solar Cooking. Consolfood 2018
• Foredrag
  Nydal, Ole Jørgen; Nielsen, Torbjørn Kristian. (2018) African University Collaboration on Renewable Energy. Innspill seminar NTNU
• Foredrag
  Nydal, Ole Jørgen. (2018) Multiphase Transport. Short Course

2017

• Konferanseforedrag
  Nyeinga, Karidewa; Denis, Okello; Bernard, Tabu; Nydal, Ole Jørgen. (2017) Experimental Investigation of Thermal Perfomance for Selected Oils for Solar Thermal Energy Storage and Rural Cooking Application. Solar World Conference 2017
• Konferanseforedrag
  John, Michael; Kimambo, Cuthbert Z.M.; Eikevik, Trygve Magne; Nydal, Ole Jørgen; Kihedu, Joseph. (2017) Potential Application of Commersial Refrigerants as Adsorbate in Adsorption Refrigeration Systems. IEA SHC International Conference on Solar Heating and Cooling for Buildings and Industry
• Foredrag
  Nydal, Ole Jørgen. (2017) EnPe Project: Capacity Building in Renewable Energy Education and Research. NTNU activities. Yearly project meeting
• Foredrag
  Nydal, Ole Jørgen. (2017) Solar heat storage for cooking. Besøk Namibia Univ. Science and Technology og Namibia Energy Institute
• Konferanseforedrag
  Nydal, Ole Jørgen. (2017) Solar heat storage for cooking. Visit NWU South Africa
• Foredrag
  Nydal, Ole Jørgen. (2017) Solar heat storage for cooking. Visit Norwegian Embassy Kampala
• Foredrag
  Nydal, Ole Jørgen. (2017) Solar heat storage for cooking. NM-AIST Arusha March 20th -21st 2017 Knowledge Sharing Forum on Energy Engineering Education and Research
• Foredrag
  Nydal, Ole Jørgen. (2017) EnPe Project: Master program in Oil and Gas Technology. NTNU activities. Yearly project meeting
• Konferanseforedrag
  Hailu, Mesele Hayelom; Nydal, Ole Jørgen; Kahsay, Mulu B; Tesfay, Asfafaw Haileselassie. (2017) A direct solar fryer for injera baking application. Solar World Congress 2017
• Konferanseforedrag
  Nydal, Ole Jørgen. (2017) Slug flow and structure coupling - 1D models and small scale experiments. Web seminar
• Konferanseforedrag
  Nydal, Ole Jørgen. (2017) Slug flow and structure coupling 1D models and small scale experiments. Multiphase FIV Special Interest Group Meeting

2016

• Foredrag
  Nydal, Ole Jørgen. (2016) University collaboration on solar energy for cooking: technology development and social adaptation studies. Development Research Conference Stockholm
• Konferanseposter
  Nydal, Ole Jørgen; Fossum, Silje; Skahjem, Ragnhild; Paul, Svendsen; Marius, Laukholm; Hansen, Benjamin Foss. (2016) Heat Storage for Hybrid Renewable Energy Storage Solar Heat Batteries. Technoport
• Konferanseforedrag
  Nydal, Ole Jørgen. (2016) 1D models for gas-liquid slug flow. ERCOFTAC Oil&Gas Seminar
• Konferanseforedrag
  Nydal, Ole Jørgen. (2016) 1D multiphase pipe flow modeling. Ocean Week NTNU
• Konferanseforedrag
  Nydal, Ole Jørgen. (2016) 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)
• Konferanseforedrag
  Nydal, Ole Jørgen; Fosseng, Silje; Skahjem, Ragnhild. (2016) Oil based Solar Heat Collection and Storage. Southern African Solar Energy Conference 2016
• Konferanseforedrag
  Park, Sangmin; Kim, Minseong; Nydal, Ole Jørgen; Lee, In-Beum. (2016) Mitigation of Pig-induced Slugs by Combination of By-pass Pig and Inlet Separator Dual Control Valves. Oil Technology Conference Asia
• Konferanseforedrag
  Schümann, Heiner; Chandra, Pankaj; Nydal, Ole Jørgen. (2016) Oil-water pipe flow development after a valve. 9th International Conference on Multiphase Flow

2015

• Konferanseforedrag
  Vieiro, Joaquin; Hemeda, Amr; Nydal, Ole Jørgen. (2015) Multiphase flow in flexible pipes: coupled dynamic simulations and small scale experiments on garden hose instability. MekIt'15
• Konferanseforedrag
  Veremachi, Amos; Cuamba, Boaventura; Nydal, Ole Jørgen; Løvseth, Jørgen; Zia, Azer. (2015) Experimental Investigation of the Thermal Performance of a Parabolic Dish Concentrating Solar Collector. SASEC 2015
• Foredrag
  Nydal, Ole Jørgen. (2015) Cooking with the sun- a comparative country analysis of Solar Cooking, its adoption and impact on people´s lives. NORGLOBAL final seminar 2015
• Konferanseposter
  Nydal, Ole Jørgen. (2015) Ray Tracing for Simulation of a Light Guide Efficiency. SASEC 2015
• Konferanseforedrag
  Vieiro, Joaquin; Eyemba, Ita; Nydal, Ole Jørgen. (2015) Two-Way Fluid-Structure Interaction in a Flexible Pipe Conveying Gas-Liquid Slug Flow. Offshore Technology Conference 2015
• Konferanseforedrag
  Veremachi, Amos; Cuamba, Boaventura; Nydal, Ole Jørgen; Løvseth, Jørgen; Zia, Azer. (2015) Direct Illuminated Rock-bed Heat Storage A Potential Component of A Solar Thermal System for Food Preservation and Space Heating in Rural Areas of Mozambique. Solar World Congress 2015
• Konferanseforedrag
  Grødahl, Steinar; Yang, Zhilin; Nydal, Ole Jørgen. (2015) Small scale experiments on surge waves in low liquid loaded pipes. Multiphase 2015
• Konferanseforedrag
  Andrea, Schmueli; M, Borregales; Asuaje, Miguel; Nydal, Ole Jørgen. (2015) Modelling of liquid droplets concentration profiles in stratified-annular flows. Multiphase 2015
• Konferanseposter
  Nydal, Ole Jørgen; Tesfay, Asfafaw Haileselassie. (2015) Ray Tracing for Evaluation of the SK14 Solar Concentrator as a Solar Fryer. Solar World Congress 2015
• Konferanseforedrag
  Nydal, Ole Jørgen; Vieiro, Joaquin. (2015) Slug flow in flexible pipes. 7th European-Japan Two Phase Flow Group Meeting
• Konferanseforedrag
  Nydal, Ole Jørgen. (2015) Keynote: Severe slugging revisited. Multiphase2015
• Foredrag
  Nydal, Ole Jørgen. (2015) NTNU Multiphase Flow Laboratory Experiments and Flow Modeling. Invitation
• Konferanseforedrag
  Nydal, Ole Jørgen. (2015) Dynamic Two-Phase Flows – Models and Applications to Flexible Risers. JEM 2015

2014

• Konferanseforedrag
  Alvarado, Andrea Shmueli; Khatibi, Milad; Arnulf, Thomas; Djoric, Biljana; Nydal, Ole Jørgen. (2014) Experiments on Gas Flow With Wet Pipe Walls. 9th North American Conference on Multiphase Technology
• Konferanseforedrag
  Schümann, Heiner; Kazemihatami, Milad; Yang, Zhilin; Diaz Arias, Mariana JC; Nydal, Ole Jørgen. (2014) Liquid-Liquid Displacement in a Horizontal and Inclined Pipe Section. 9th North American Conference on Multiphase Technology
• Foredrag
  Edvardsen, Svein; Nydal, Ole Jørgen; Dorao, Carlos Alberto. (2014) Two-phase Flow in a Down-hole Shut-in Valve. 9th North American Conference on Multiphase Technology Multiphase 2014
• Foredrag
  Edvardsen, Svein; Dorao, Carlos Alberto; Nydal, Ole Jørgen. (2014) Two-phase flow in a down hole shut-in valve. 3rd Trondheim Gas Technology Conference
• Foredrag
  Tesfay, Asfafaw Haileselassie; Nydal, Ole Jørgen; Kahsay, Mulu B. (2014) Solar energy for Sustainable energy and climate security. Sustainable Land and Watershed Management (SLWM) Conference, 2014
• Konferanseposter
  Tesfay, Asfafaw Haileselassie; Nydal, Ole Jørgen; Kahsay, Mulu B. (2014) Storage integrated solar stove and its perspectives in Ethiopia. Renewable Energy Research Conference, 2014

2013

• Foredrag
  Tesfay, Asfafaw H; Nydal, Ole Jørgen; Kahsay, Mulu Bayray. (2013) Solar powered heat storage for Injera baking in Ethiopia. 2013 ISES Solar World Congress
• Foredrag
  Tesfay, Asfafaw H; Nydal, Ole Jørgen; Kahsay, Mulu Byray Kahsay. (2013) Design and development of solar thermal Injera baking: steam based direct baking. 2013 ISES Solar World Congress
• Konferanseforedrag
  Alvarado, Andrea Shmueli; Unander, Tor Erling; Nydal, Ole Jørgen. (2013) Liquid droplet entrainment in horizontal three-phase flow. 8th International Conference on Multiphase Flow 2013
• Konferanseposter
  Schümann, Heiner; Kazemihatami, Milad; Nydal, Ole Jørgen. (2013) Oil-Water Flushing Experiments with Complex Pipe Geometry. 8th International Conference on Multiphase Flow

2012

• Konferanseposter
  Mussard, Maxime; Nydal, Ole Jørgen. (2012) Assessments of the thermal storage potential of sensible and latent heat-based systems for solar domestic applications. 7th International Renewable Energy Storage Conference and Exhibition (IRES 2012)
• Foredrag
  Mussard, Maxime; Vaujany, Erwan; Nydal, Ole Jørgen. (2012) Heating of an oil-based heat storage with a low-cost small-scale solar parabolic trough. EuroSun 2012 Solar Conference
• Konferanseforedrag
  Huang, Jun; Nydal, Ole Jørgen. (2012) Simulations of Different Solid-liquid Suspension Flow Patterns in Pipelines using Lagrangian-Lagrangian Method. The Eighth KSME-JSME Thermal and Fluids Engineering Conference

2011

• Konferanseforedrag
  O., Denis; Foong, Chee Woh; E.J.K.B., Banda; Nydal, Ole Jørgen. (2011) An experimental investigation on the use of the mixture of phase change materials and rock particles for high temperature (~300 oC) heat storage. ISES World Solar Congress 2011
• Konferanseforedrag
  Kjeldby, Tor Kindsbekken; Henkes, Ruud; Nydal, Ole Jørgen. (2011) Slug tracking simulation of severe slugging experiments. ICMS 2011 : "International Conference on Modeling and Simulation"
• Konferanseforedrag
  Foong, Chee Woh; Nydal, Ole Jørgen; Løvseth, Jørgen; Hustad, Johan Einar. (2011) Numerical study of a high temperature latent heat storage (200-3000C) using NaNO3 – KNO3 binary mixture. 6th annual COMSOL Conference
• Konferanseforedrag
  Foong, Chee Woh; Jørgen, Løvseth; Nydal, Ole Jørgen. (2011) 3-dimensional finite element analysis on a latent heat storage unit with NaNO3 and KNO3 binary mixture. 40th ASES National Solar Conference
• Konferanseforedrag
  Foong, Chee Woh; Løvseth, Jørgen; Nydal, Ole Jørgen. (2011) 3-dimensional finite element analysis on a latent heat storage unit with NaNO3 and KNO3 binary mixture. 40th ASES National Solar Conference
• Konferanseposter
  Madessa, Habtamu Bayera; Foong, Chee Woh; Nydal, Ole Jørgen. (2011) Ray tracing for analyzing transportation of concentrated sun rays through a channel. ASES National solar Conference 2011, Raleigh, North Carolina,USA
• Konferanseposter
  Huang, Jun; Nydal, Ole Jørgen. (2011) Artificial Buoyancy for gas-liquid flows in smoothe particle hydrodynamics. 13th European student colloid conference

2010

• Foredrag
  Madessa, Habtamu Bayera; Nydal, Ole Jørgen. (2010) Sun Tracking System Directly Controlled by Solar Panels. Renewable Energy Confernce 2010,NTNU,SINTEF,IFE
• Foredrag
  Da Silva, Claudia Martins; Nydal, Ole Jørgen; Dessen, Fredrik. (2010) Dynamic Multiphase Flow Models for Control. 7th North American Conference on Multiphase Technology
• Konferanseforedrag
  Foong, Chee Woh; Hustad, Johan Einar; Nydal, Ole Jørgen. (2010) Investigation of a high temperature thermal energy storage (200-300 0C) using eutectic mixture of sodium nitrate and potassium nitrate. 4th International Solar Energy Society Conference
• Konferanseforedrag
  Foong, Chee Woh; Madessa, Habtamu Bayera; Nydal, Ole Jørgen. (2010) Development of a solar concentrator with heat storage. 4th International Solar Energy Society Conference
• Konferanseforedrag
  Foong, Chee Woh; Nydal, Ole Jørgen; Hustad, Johan Einar. (2010) Investigation on thermopysical properties of high temperature latent heat storage material NaNO2. 4th International Solar Energy Society Conference
• Foredrag
  Madessa, Habtamu Bayera; Nydal, Ole Jørgen. (2010) Ray Tracing for Analysis of Concentrating Solar Systems. International conference on Thermal and Environmental Issues in Energy Systems, ASME-ATI-UIT,Sorrento,Italy

2009

• Konferanseforedrag
  De Leebeeck, Angela Lynn; Nydal, Ole Jørgen. (2009) Large amplitude waves in a slug tracking scheme. 5th International Conference on Multiphase Flow
• Konferanseposter
  Shabani, Mohammad Mahdi; Larsen, Roar; Nydal, Ole Jørgen. (2009) An Accurate and Practical Approach on Modeling the Solubility of CO2 in Electrolyte Solutions. TCCS-5, 5th Trondheim Conference on CO2 Capture, Transport and Storage
• Konferanseposter
  Shabani, Mohammad Mahdi; Larsen, Roar; Nydal, Ole Jørgen. (2009) The Application of the “Mean Spherical Approximation Approach” for Natural Gas-Brine Mixtures: II- The Natural Gas Solubility. 1st Trondheim Gas Technology Conference
• Foredrag
  Shabani, Mohammad Mahdi; Nydal, Ole Jørgen; Larsen, Roar. (2009) An Experimental and Numerical Investigation on Gas Hydrate Plug Flow in the Inclined Pipes and Bends. International Conference on Fluid Mechanics, Heat Transfer and Thermodynamics
• Foredrag
  Shabani, Mohammad Mahdi; Larsen, Roar; Nydal, Ole Jørgen. (2009) The Application of the “Mean Spherical Approximation Approach” for Natural Gas-Brine Mixtures: I- The Natural Gas Hydrate Equilibrium. 1st Trondheim Gas Technology Conference

2008

• Konferanseforedrag
  Shabani, Mohammad Mahdi; Nydal, Ole Jørgen; Larsen, Roar. (2008) STABILITY OF GAS HYDRATE PARTICLES DURING HYDRATE SLURRY TRANSPORTATION. The Sixth International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT2008)

2005

• Konferanseforedrag
  Johansen, Monika; Nydal, Ole Jørgen. (2005) Experiments on large gas bubbles in multiphase gas-oil-water pipe flow. HEFAT2005, 4th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics
• Konferanseforedrag
  Kjølaas, Jørn; Nydal, Ole Jørgen; Stensrud, Didrik. (2005) AN EXPERIMENTAL AND NUMERICAL STUDY OF PLUG DYNAMICS IN TWO-PHASE PIPELINES. HEFAT2005, 4th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics

2004

• Konferanseforedrag
  Chupin, Gael; Solbakken, Stian; Andersson, Helge Ingolf; Nydal, Ole Jørgen. (2004) Gas pipe flow with a thin liquid film at the wall: simulations and experiments. 5th International Conference on Multiphase Flow, ICMF'04
• Konferanseforedrag
  Renault, Fabien; Nydal, Ole Jørgen. (2004) Influence of dynamic pressure terms on stratified two-phase flow stability. 5th International Conference on Multiphase Flow, ICMF'04
• Konferanseforedrag
  Kristiansen, Olav; Nydal, Ole Jørgen. (2004) Characterization of the Transition From Stratified to Slug Two-Phase Flow at Varying Gas Densities. 5th International Conference on Multiphase Flow, ICMF'04
• Konferanseforedrag
  Lioumbas, J.; Paras, S.V.; Nydal, Ole Jørgen. (2004) Study of free falling liquid layer in inclined pipes: effect of diameter and inclination angle. 3rd International Symposium on Two-Phase Flow Modelling and Experimentation
• Konferanseforedrag
  Moncla, Sébastien; Klebert, Pascal; Nydal, Ole Jørgen. (2004) Bypass-experiments of gas-liquid flow in an S-shaped riser. HEFAT2004 3rd International Conference on Heat Transfer, Fluid Merchanics and Thermodynamics
• Konferanseforedrag
  Johansen, Monika; Nydal, Ole Jørgen. (2004) Experiments on Bubble Propagation Velocity in 3-Phase Slug Flow. 5th International Conference on Multiphase Flow, ICMF'04
• Konferanseforedrag
  Nydal, Ole Jørgen; Vestøl, S; Schules, R; Grønbech, Lilian. (2004) Unstable oil-water flow in horizontal wells. Conference

2003

• Konferanseforedrag
  Chupin, Gael; Nydal, Ole Jørgen. (2003) An experimental study of air-oil-water pipe flow at low liquid loadings. 11th International Conference MULTIPHASE'03 Extending the Boundaries of Flow Assurance
• Konferanseforedrag
  Chupin, Gael; Nydal, Ole Jørgen. (2003) Stratified gas/liquid pipe flow at low liquid loading. Heat Transfer, Fluid Mechanics and Thermodynamics
• Konferanseforedrag
  Nydal, Ole Jørgen; Klebert, Pascal; Wangensteen, Trygve; Kristiansen, Olav; Renault, Fabien. (2003) Transient two phase flow modelling. 11th International Conference MULTIPHASE'03 Estending the Boundaries of Flow Assurance
• Konferanseforedrag
  Klebert, Pascal; Nydal, Ole Jørgen. (2003) Pigging experiments and modelling in an S-shaped riser. 2nd International Conference on Heat Transfer, Fluid Mechanics and Thernmodynamics
• Konferanseforedrag
  Ioannou, K.; Angeli, P.; Nydal, Ole Jørgen. (2003) Phase inversion in dispersed liquid - liquid flows. 3rd Euiropean-Japanese Two-Phase flow Group Meeting
• Foredrag
  Wangensteen, Trygve; Nydal, Ole Jørgen. (2003) Unit cell slug flow in transient two fluid model. European Two Phase Flow Group Meeting
• Foredrag
  Kristiansen, Olav; Nydal, Ole Jørgen. (2003) Stratified-slug transition. European Two Phase Flow Group Meeting

2002

• Konferanseforedrag
  Kristiansen, Olav; Nydal, Ole Jørgen. (2002) Experiments on stratified-slug transition in two-åhase flow at varying pressures. 40th ETPFG meeting
• Konferanseforedrag
  Chupin, Gael; Labesque, Sebastien; Laux, Patrick; Nydal, Ole Jørgen. (2002) Air-oil-water flow experiments at low liquid loading. 40th ETPFG meeting
• Konferanseforedrag
  Nydal, Ole Jørgen; Wangensteen, Trygve. (2002) Numerical simulations of the transition between stratified and slug flow. 1st Int.Conf. on Heat Transfer, Fluid Mechanics and Thermodynamics
• Konferanseforedrag
  Krigstad, H; Neeraas, Bengt O.; Nydal, Ole Jørgen. (2002) Hydrate formation in compact heat exchanger. Compact Heat Exchanger Symposium (2002 : Grenoble)

1999

• Konferanseforedrag
  Nydal, Ole Jørgen; Riiser, K.; Lunde, K.. (1999) Velocity measurements of large bubbles injected into bubble flow in horisontal pipes. International conference on two phase flow modelling and experimentation