Tor Henning Hemmingsen

Professor em. #

Tor Henning Hemmingsen

Contact

Telephone: 5183 1585 / +4791161061

Email: tor.hemmingsen@uis.no

Room: KE E-225

Department

Faculty of Science and Technology

Department of Mechanical and Structural Engineering and Materials Science

Publications

Vitenskapelige publikasjoner

Sondre Borg Gjertsen; Marion Seiersten; Iozsef Attila Palencsar; Tor Hemmingsen (2024) The effect of weak acids on active corrosion rate in top-of-line corrosion. I: Corrosion Science. ISSN 0010-938X. Volum 236. DOI: 10.1016/j.corsci.2024.112253

Mudiyan Nirosha Damayanthi Adasooriya; Tor Hemmingsen (2024) Environment-assisted corrosion of offshore wind turbine structures : A framework and fatigue curves. I: Ove Tobias Gudmestad; Sudath C. Siriwardane; Tor Hemmingsen; Tiago Fazeres-Ferradosa; Chandima RATNAYAKE MUDIYANSELAGE; Jayantha Prasanna Liyanage; Hirpa G. Lemu; Gerhard Ersdal; Samarakoon Mudiyansele Samindi Samarakoon; Andreas Delimitis; Mudiyan Nirosha Damayanthi Adasooriya; Mona Wetrhus Minde; Vidar Folke Hansen; Idriss El-Thalji; José A.F.O. Correia; Dimitrios Pavlou, Analytical and experimental methods in mechanical and civil engineering : Contributions of the 1st olympiad in engineering science (OES 2023). Springer Nature. ISBN 9783031497223. s.497-506. DOI: 10.1007/978-3-031-49723-0_38

Yucong Ma; Yihan Xing; Dan Sui; Muk Chen Ong; Tor Hemmingsen (2023) Two-Dimensional Planar Modeling of the Depth Control of a Subsea Shuttle Tanker. I: Journal of Offshore Mechanics and Arctic Engineering. ISSN 0892-7219. Volum 145. DOI: 10.1115/1.4056418

Yucong Ma; Yihan Xing; Tor Henning Hemmingsen (2021) An evaluation of key challenges of CO2 transportation with a novel Subsea Shuttle Tanker. I: IOP Conference Series: Materials Science and Engineering. ISSN 1757-8981. Volum 1201. DOI: 10.1088/1757-899X/1201/1/012078

Jørgen Apeland; Dimitrios Pavlou; Tor Hemmingsen (2021) Fuel Cell Powered Drone: Use of Fuel Cells to Extend Multirotor Drone Endurance. Universitetet i Stavanger. ISBN 9788284390284.

Radel Sultanbekov; Shamil Islamov; Dmitry Mardashov; Ilia Beloglazov; Tor Hemmingsen (2021) Research of the influence of marine residual fuel composition on sedimentation due to incompatibility. I: Journal of Marine Science and Engineering (JMSE). Online ISSN 2077-1312. Volum 9. DOI: 10.3390/jmse9101067

Sondre Borg Gjertsen; Attila Palencsar; Marion Seiersten; Tor Hemmingsen (2021) The effect of volatile organic acids and CO2 on the corrosion rate of carbon steel from a Top-of-Line-Corrosion (TLC) perspective. I: IOP Conference Series: Materials Science and Engineering. ISSN 1757-8981. Volum 1201. DOI: 10.1088/1757-899X/1201/1/012079

Julie Sofie Stav Sandviknes; Mudiyan Nirosha Damayanthi Adasooriya; Dimitrios Pavlou; Tor Hemmingsen (2021) Environment-assisted fatigue of steel bridges: A conceptual framework for life assessment. I: IOP Conference Series: Materials Science and Engineering. ISSN 1757-8981. Volum 1201. DOI: 10.1088/1757-899X/1201/1/012045

Malcolm Andrew Kelland; Janronel Calog Pomicpic; Radhakanta Ghosh; Camilla Undheim; Tor Hemmingsen; Qian Zhang; Mikhail A. Varfolomeev; Roman S. Pavelyev; Svetlana S. Vinogradova (2021) Multi-functional oilfield production chemicals: maleic-based polymers for gas hydrate and corrosion inhibition. I: IOP Conference Series: Materials Science and Engineering. ISSN 1757-8981. Volum 1201. DOI: 10.1088/1757-899X/1201/1/012081

Yucong Ma; Yihan Xing; Muk Chen Ong; Tor Hemmingsen (2021) Baseline design of a subsea shuttle tanker system for liquid carbon dioxide transportation. I: Ocean Engineering. ISSN 0029-8018. Volum 240. s.1-24. DOI: 10.1016/j.oceaneng.2021.109891

Jørgen Apeland; Dimitrios Pavlou; Tor Henning Hemmingsen (2021) Sensitivity Study of Design Parameters for a Fuel Cell Powered Multirotor Drone. I: Journal of Intelligent & Robotic Systems. ISSN 0921-0296. DOI: 10.1007/s10846-021-01363-9

Yucong Ma; Dan Sui; Yihan Xing; Muk Chen Ong; Tor Henning Hemmingsen (2021) Depth control modelling and analysis of a subsea shuttle tanker. I: Digital Collection ASME, ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Ocean Space Utilization. The American Society of Mechanical Engineers (ASME). ISBN 9780791885154. DOI: 10.1115/OMAE2021-61827

Jørgen Apeland; Dimitrios Pavlou; Tor Hemmingsen (2020) State-of-Technology and Barriers for Adoption of Fuel Cell Powered Multirotor Drones. I: . IEEE, 2020 International Conference on Unmanned Aircraft Systems (ICUAS). IEEE (Institute of Electrical and Electronics Engineers). ISBN 9781728142784. s.1359-1367. DOI: 10.1109/ICUAS48674.2020.9213971

Yihan Xing; Muk Chen Ong; Tor Hemmingsen; Kjell Einar Ellingsen; Lorents Reinås (2020) Design Considerations of a Subsea Shuttle Tanker System for Liquid Carbon Dioxide Transportation. I: NN NN, ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 5: Ocean Space Utilization. The American Society of Mechanical Engineers (ASME). ISBN 9780791884362.

Jørgen Apeland; Dimitrios Pavlou; Tor Hemmingsen (2020) Suitability Analysis of Implementing a Fuel Cell on a Multirotor Drone. I: Journal of Aerospace Technology and Management. ISSN 1984-9648. Volum 12. DOI: 10.5028/jatm.v12.1172

Mudiyan Nirosha Damayanthi Adasooriya; Tor Hemmingsen; Dimitrios Pavlou (2020) S-N curve for riveted details in corrosive environment and its application to a bridge. I: Fatigue & Fracture of Engineering Materials & Structures (FFEMS). ISSN 8756-758X. Volum 43. s.1199-1213. DOI: 10.1111/ffe.13193

Yihan Xing; Muk Chen Ong; Tor Hemmingsen; Kjell Einar Ellingsen; Lorents Reinås (2020) Design Considerations of a Subsea Shuttle Tanker System for Liquid Carbon Dioxide Transportation. I: Journal of Offshore Mechanics and Arctic Engineering. ISSN 0892-7219. DOI: 10.1115/1.4048926

Mudiyan Nirosha Damayanthi Adasooriya; Wakshum Mekonnen Tucho; Erlend Holm; Terje Årthun; Vidar Hansen; Karl Gunnar Solheim; Tor Hemmingsen (2020) Effect of hydrogen on mechanical properties and fracture of martensitic carbon steel under quenched and tempered conditions. I: Materials Science & Engineering: A. ISSN 0921-5093. Volum 803. DOI: 10.1016/j.msea.2020.140495

Utsav Raj Dotel; Fatemeh Davodi; Olli Sorsa; Tanja Kallio; Tor Hemmingsen (2019) Nitrogen doped Carbon Nanotubes as Electrocatalyst for Oxygen Reduction Reaction. I: International Journal of Electrochemical Science. Online ISSN 1452-3981. Volum 14. s.10340-10351. DOI: 10.20964/2019.11.06

Mudiyan Nirosha Damayanthi Adasooriya; Tor Hemmingsen; Dimitrios Pavlou (2019) Environment-assisted corrosion damage of steel bridges: a conceptual framework for structural integrity. I: Corrosion reviews. ISSN 0334-6005. Volum 38. s.49-65. DOI: 10.1515/corrrev-2019-0066

Mudiyan Nirosha Damayanthi Adasooriya; Tor Hemmingsen; Dimitrios Pavlou (2019) An Experimental Study on Environmental Assisted Cracking of Structural Steel in 3.5 wt% NaCl Solution. I: ISOPE - International Offshore and Polar Engineering Conference. Proceedings. ISSN 1098-6189. s.4154-4160.

Mudiyan Nirosha Damayanthi Adasooriya; Dimitrios Pavlou; Tor Hemmingsen (2019) Fatigue strength degradation of corroded structural details: A formula for S‐N curve. I: Fatigue & Fracture of Engineering Materials & Structures (FFEMS). ISSN 8756-758X. s.1-13. DOI: 10.1111/ffe.13156

Utsav Raj Dotel; Magne Olav Sydnes; Hans Urkedal; Tor Hemmingsen (2018) The effects of Acidic, Alkaline, and Neutral Anolytes on Electrochemical Seawater Deoxygenation. I: Applied Sciences. Online ISSN 2076-3417. Volum 8. DOI: 10.3390/app8112280

Utsav Raj Dotel; Erik Gisle Dirdal; Magne Olav Sydnes; Ingunn Westvik Jolma; Hans Urkedal; Tor Hemmingsen (2018) Selective electrochemical removal of monovalent and divalent ions from seawater. I: The International Journal of Energy and Environment. ISSN 2076-2895. Volum 9. s.129-136.

Mudiyan Nirosha Damayanthi Adasooriya; Tor Hemmingsen; Dimitrios Pavlou (2017) Fatigue strength degradation of metals in corrosive environments. I: IOP Conference Series: Materials Science and Engineering. ISSN 1757-8981. Volum 276. DOI: 10.1088/1757-899X/276/1/012039

Utsav Raj Dotel; Kai Vuorilehto; Magne Olav Sydnes; Hans Urkedal; Tor Henning Hemmingsen (2017) Electrochemical Oxygen Removal from Seawater in Industrial Scale using Silver Cathode. I: Industrial & Engineering Chemistry Research. ISSN 0888-5885. Volum 56. s.8954-8960. DOI: 10.1021/acs.iecr.7b02004

Ove Mikkelsen; Kristen Rege; Tor Henning Hemmingsen; Dimitrios Pavlou (2017) Numerical Estimation of the Stop Holes-Induced Fatigue Crack Growth Retardation in Offshore Structures Taking into Account the Corrosion Effect. I: . ISOPE2017, The Proceedings of the twenty-seventh (2017) International Ocean and Polar Engineering Conference - ISOPE 2017. International Society of Offshore & Polar Engineers. ISBN 9781880653975. s.451-458.

Dian Ekawati; Tonje Berntsen; Marion Seiersten; Tor Hemmingsen (2017) Effect of Temperature, Bicarbonate, and MEG Concentrations on CO2 Corrosion of Carbon Steels. I: Corrosion. ISSN 0010-9312. Volum 73. s.1157-1167. DOI: 10.5006/2143

Utsav Raj Dotel; Kai Vuorilehto; Magne Olav Sydnes; Hans Urkedal; Tor Henning Hemmingsen (2016) Experimental Study of Silver Cathode for Electrochemical Deoxygenation of Seawater for Enhanced Oil Recovery. I: Industrial & Engineering Chemistry Research. ISSN 0888-5885. Volum 55. s.8235-8242. DOI: 10.1021/acs.iecr.6b01493

Tonje Berntsen; Nushjarin Laethaisong; Marion Seiersten; Tor Henning Hemmingsen (2016) Uncovering carbide on carbon steels by use of anodic galvanostatic polarization and its effect on CO2 corrosion. I: Corrosion. ISSN 0010-9312. Volum 72. s.534-546. DOI: 10.5006/1691

Roald Kommedal; Andrea Bagi; Tor Henning Hemmingsen (2015) Environmental Effects of Oil and Gas Exploration and Production in the Barents Sea. I: Indra Øverland; Anatoli Bourmistrov; Alexei Bambulyak; Ove Tobias Gudmestad; Anatoly Zolotukhin; Frode Mellemvik, International Arctic Petroleum Cooperation: Barents Sea Scenarios. Routledge. ISBN 9781138783263. s.225-250. DOI: 10.4324/9781315768762-13

Tonje Berntsen; Marion Seiersten; Tor Henning Hemmingsen (2013) Effect of FeCO3 Supersaturation and Carbide Exposure on the CO2 Corrosion Rate of Carbon Steel. I: Corrosion. ISSN 0010-9312. Volum 69. s.601-613. DOI: 10.5006/0553

Espen Enge; Mikal Vedå Bredal; Helge Vatsvåg; Tor Henning Hemmingsen (2012) The survival of a small isolated brown trout population (Salmo trutta) in a harsh environment in the remote Lysedalen, Rogaland. I: VANN. ISSN 0042-2592. s.152-169.

Yuan Song; Attila Palencsar; Gaute Svenningsen; Jon Kvarekvål; Tor Henning Hemmingsen (2012) Effect of O-2 and Temperature on Sour Corrosion. I: Corrosion. ISSN 0010-9312. Volum 68. s.662-671. DOI: 10.5006/0341

Espen Enge; Tor Hemmingsen (2010) Modellberegning av vannkjemiske effekter av vassdragsreguleringer ? eksempel fra Sira-Kvina-reguleringen. I: VANN. ISSN 0042-2592. Volum 45. s.11-11.

Erling Skavås; Tor Hemmingsen (2007) Kinetics and mechanism of sulphite oxidation on a rotating platinum disc electrode in an alkaline solution. I: Electrochimica Acta. ISSN 0013-4686. Volum 52.

Lisbeth Hilbert; Tor Hemmingsen; Lars Vendelboe Nielsen; S. Richter (2007) Reliability of electrochemical techniques for determining corrosion rates on carbon steel in sulfide media. I: Corrosion. ISSN 0010-9312. Volum 63.

Tor Hemmingsen; Frederik Fusek; Erling Skavås (2006) Monitoring of the corrosion process on sulphide film formation with electrochemical and optical measurements. I: Electrochimica Acta. ISSN 0013-4686. Volum 51.

Lisbeth Hilbert; Tor Hemmingsen; Lars Vendelboe Nielsen; Sonja Richter (2005) When can electrochemical techniques give reliable corrosion rates on carbon steel in sulfide media?. I: ?. s.5436-5436.

Cato Brede; Ingunn Skjevrak; H Herigstad; Elin Aanensen; Ruth Austvoll; Tor Hemmingsen (2002) Sample preparation and cleanup suitable for the screening of migration contaminants in vegetable oil using gas chromatography coupled with mass spectrometry. I: Food Additives and Contaminants. ISSN 0265-203X. Volum 19. s.483-491.

Tor Hemmingsen; Halfdan Hovdan; Pål Sanni; Nils Olav Aagotnes (2002) The influence of electrolyte reduction potential on weld corrosion. I: Electrochimica Acta. ISSN 0013-4686. Volum 47. s.3949-3955.

Tor Hemmingsen; Hege Lima (1998) Electrochemical and optical studies of sulphide film formation on carbon steel. I: ?. Volum 35.

L. Treindl; Tor Hemmingsen; Peter Ruoff (1997) The Belousov-Zhabotinskii Oscillations during Chemical or Electrochemical Generation of Silver Ions. I: ?. Volum 269. s.263-267.

Tor Hemmingsen; Lars Vendelboe Nielsen; Ernst Maahn (1992) The effect of sulphite om pitting and crevice corrosion on various steels in 0,5 M sodium chloride. I: Materials Science Forum. ISSN 0255-5476. Volum 111-112. s.453-470.

Tor Hemmingsen (1992) The electrochemical reaction of sulphur––oxygen compounds––part I. A review of literature on the electrochemical properties of sulphur/sulphur––oxygen compounds. I: Electrochimica Acta. ISSN 0013-4686. Volum 37. s.2775-2784.

Tor Hemmingsen (1992) The Electrochemical Reaction of Sulphur-Oxygen Compounds. Part II. Voltammetric Investigations Performed on Platinum. I: Electrochimica Acta. ISSN 0013-4686. Volum 37. s.2785-2790.

Tor Hemmingsen; Tor Hemmingsen; Hans Vangdal; Torstein Våland (1992) Formation of Ferrous Sulfide Film from Sulfite under Anaerobic Conditions. I: Corrosion. ISSN 0010-9312. Volum 48. s.475-481.

Tor Hemmingsen; Tor Hemmingsen; Torstein Våland (1991) The Reactions of the Sulphite/Bisulphite - Couple on SMO-steel under Anaerobic Conditions. I: Electrochimica Acta. ISSN 0013-4686. Volum 36. s.1367-1375.

Tor Henning Hemmingsen; John Sigurd Svendsen; Leiv Kristen Sydnes (1988) Silver-ion assisted methanolysis of 2,2-dibromo-1-methylcyclopropanecarboxylic acid and 2,2-dibromo-1,3-dimethylcyclopropanecarboxylic acid. I: Acta Chemica Scandinavica. ISSN 0904-213X. Volum B42. s.651-661.

Tor Hemmingsen; Jon Sigurd Svendsen; Leiv Sydnes (1988) Silver-ion Assisted Methanolysis of 2,2-Dibromo-1-methylcyclopropancarboxylic Acid and 2,2-Dibromo-1,3-dimethylcyclopropancarboxylic Acid. I: Acta Chemica Scandinavica. ISSN 0904-213X. Volum 42. s.651-661.

Leiv Sydnes; Tor Hemmingsen (1986) The Photochemical Decomposition of 9,10-Dimethyl-9,10-Dihydro-9,10-Epidioxyanthracene: A Reinvestigation. I: Journal Chemical Research. ISSN 0308-2342. Volum 66. s.66-67.

Leiv Sydnes; Tor Hemmingsen (1985) Silver Ion-Assisted Methanolysis of Some Functionalized Bromocyclopropane Derivatives. I: Acta Chemica Scandinavica. ISSN 0904-213X. Volum B39. s.93-102.

Leiv Sydnes; Tor Hemmingsen (1985) Seasonal Variations in Weathering and Toxicity of Crude Oil on Seawater under Arctic Conditions. I: Environmental Science and Technology. ISSN 0013-936X. Volum 19. s.1076-1081.

Bøker og kapitler

Dimitrios Pavlou; José A.F.O. Correia; Tiago Fazeres-Ferradosa; Ove Tobias Gudmestad; Sudath C. Siriwardane; Hirpa G. Lemu; Gerhard Ersdal; Jayantha Prasanna Liyanage; Vidar Folke Hansen; Mona Wetrhus Minde; Chandima RATNAYAKE MUDIYANSELAGE; Andreas Delimitis; Idriss El-Thalji; Mudiyan Nirosha Damayanthi Adasooriya; Samarakoon Mudiyansele Samindi Samarakoon; Tor Hemmingsen (2024) Analytical and experimental methods in mechanical and civil engineering : Contributions of the 1st olympiad in engineering science (OES 2023). Springer Nature. ISBN 9783031497223.

Tonje Berntsen; Marion Seiersten; Tor Henning Hemmingsen (2011) Effect of FeCO3 Supersaturation and Carbide Exposure on the CO2 Corrosion Rate of Carbon Steel. I: . CORROSION CONFERENCE AND EXPO, Corrosion Conference; Corrosion Conference and Expo 2011. NACE International. ISBN 9781617825934. s.1119-1135.

Y Song; Attila Palencsar; Gaute Svenningsen; Tor Henning Hemmingsen; J. Kvarekval (2011) Effect of O2 and Temperature on Sour Corrosion. I: . CORROSION CONFERENCE AND EXPO, Corrosion Conference; Corrosion Conference and Expo 2011. NACE International. ISBN 9781617825934. s.4074-4088.

Sigurd Skogestad; Mari-Ann Einarsrud; Helmer Fjellvåg; Lise-Lotte Gundersen; Trond Vidar Hansen; Tor Hemmingsen; Tor Hemmingsen; Vidar Jensen; Roland Kallenborn; Brit Salbu; Arne Smalås; Geir Walsø (2010) Oppfølging av Kjemievalueringen 2009. Forskningsrådet. ISBN 9788212027848.

Nils Arne Jentoft; Tor Hemmingsen (2005) Grensesprengende kjemi. Norsk Kjemisk Selskap. ISBN 9788291294025.

Tor Hemmingsen (2004) Elektrokjemi. Kjemi.

Tor Hemmingsen; Ragnheidur Inga Thorarinsdottir; Lisbeth Hilbert; Lars Vendelboe Nielsen; Olof Forsen; Dominoque Thierry (2004) Monitoring corrosion in district heating systems - Final report.

Tor Hemmingsen; Frederik Fusek; Ingebret Fjelde (2004) Corrosion measurements on carbon steel electrodes in presence of oil, corrosion and scale inhibitors. NORCE Research AS.

Formidling

Malcolm Andrew Kelland; Janronel Calog Pomicpic; Radhakanta Ghosh; Camilla Undheim; Tor Hemmingsen; Qian Zhang; Mikhail A. Varfolomeev; Roman S. Pavelyev; Svetlana S. Vinogradova (2021) Multi-functional oilfield production chemicals: maleic-based polymers for gas hydrate and corrosion inhibition. COTech & OGTech; 2021-11-25 - 2021-11-26.

Jørgen Apeland; Dimitrios Pavlou; Tor Hemmingsen (2020) State-of-Technology and Bariers for Adoption of Fuel Cell Powered Multirotor Drones. 2020 International Conference on Unmanned Aircraft Systems (ICUAS); 2020-09-01 - 2020-09-04.

Ove Mikkelsen; Kristen Rege; Tor Henning Hemmingsen; Dimitrios Pavlou (2017) Numerical Estimation of the Stop Holes-Induced Fatigue Crack Growth Retardation in Offshore Structures Taking into Account the Corrosion Effect. ISOPE-2017; 2017-06-25 - 2017-06-30.

Iozsef Attila Palencsar; Marion Seiersten; Tonje Berntsen; Tor Hemmingsen (2017) Assessment of pH stabilization in low temperature regions of long subsea pipelines. Oil Field Chemistry Symposium; 2017-03-26 - 2017-03-29.

Iozsef Attila Palencsar; Marion Seiersten; Tonje Berntsen; Tor Henning Hemmingsen (2017) Assessment of pH stabilization in low temperature regions of long subsea pipelines. Eurocorr 2017; 2017-09-03 - 2017-09-07.

Utsav Raj Dotel; Elena Bakrachevska; Shane C Gjelnes Austbø; Tor Henning Hemmingsen; Torfinn Havn (2015) Corrosion resistance of tubing after bending. 16th Nordic Corrosion Congress; 2015-05-20 - 2015-05-22.

Anne Britt Høydal; Erling Skavås; Tor Henning Hemmingsen (2013) Paper 2013_2763 Crevice Corrosion on Super Duplex Stainless Steel? Effect of Potential on Critical Crevice Corrosion Temperature. CORROSION 2013; 2013-03-17 - 2013-03-21.

Winia Farida; Tor Henning Hemmingsen; Tonje Berntsen; Patrick Rabindran (2012) Effect of Precorrosion and Temperature on the Formation Rate of Iron Carbonate Film. 7th Pipeline Technology Conference; 2012-03-28 - 2012-03-30.

Tonje Berntsen; M. Seiersten; Tor Henning Hemmingsen (2011) Effect of FeCO3 Supersaturation and Carbide Exposure on the CO~2 Corrosion Rate of Carbon Steel. Corrosion Conference; Corrosion Conference and Expo 2011; 2011-03-13 - 2011-03-17.

Y Song; Attila Palencsar; Gaute Svenningsen; Tor Henning Hemmingsen; J. Kvarekval (2011) Effect of O2 and Temperature on Sour Corrosion. Corrosion Conference; Corrosion Conference and Expo 2011; 2011-03-13 - 2011-03-17.

Yuan Song; Attila Palencsar; Gaute Svenningsen; Tor Hemmingsen; J. Kvarekvål (2010) Effect of oxygen and temperature on aqueous sour corrosion systems. Eurocorr 2010; 2010-09-13 - 2010-09-17.

Attila Palencsar; Yuan Song; Gaute Svenningsen; Tor Hemmingsen; J. Kvarekvål (2009) Effect of oxygen on aqueous sour corrosion systems. Eurocorr 2009; 2009-09-06 - 2009-09-10.

Tonje Berntsen; Marion Seiersten; Tor Hemmingsen (2008) CO2 Corrosion of Carbon Steel at Lower Temperatures. Eurocorr 2008; 2008-09-07 - 2008-09-11.

Erik Hörnlund; Jørn Fossen; Stian Hauger; Christine Haugen; Torfinn Havn; Tor Hemmingsen (2007) Hydrogen Diffusivities and Concentrations in 520M Carbon Steel under Cathodic Protection in 0.5M NaCl and the Effect of Added Sulphite, Dithionite, Thiosulphate, and Sulphide. I: ?. Volum 2. s.82-92.

Erling Skavås; Tor Hemmingsen (2007) A Study of the Interference from Sulphide and Dithionite on Electrochemical Sulphite Analyses on Platinum. I: ?. Volum 2. s.203-215.

Erling Skavås; Annemie Adriaens; Tor Hemmingsen (2006) A comparative study of sulphite oxidation under alkaline conditions by use of wall-jet flow cell and rotating disc electrode. I: International Journal of Electrochemical Science. Online ISSN 1452-3981. Volum 1. s.414-424.

Tor Hemmingsen (2006) Uten kjemi stopper oljen. Norwegian Chemical Society Meeting; 2006-09-21.

Torfinn Havn; Tor Hemmingsen; Erik Hörnlund; Kristian Eriksen (2005) Comparison of corrosion resistance of two duplex stainless steels after simulated welding. Eurocorr 2005; 2005-09-04 - 2005-09-08.

Tor Hemmingsen; Torfinn Havn; Erik Hörnlund; Håkon Ferkingstad; Frank Voll (2005) Use of aluminium and zinc anodes for cathodic protection of produced water tanks and separators. Eurocorr 2005; 2005-09-04 - 2005-09-08.

Erik Hörnlund; Torfinn Havn; Tor Hemmingsen (2005) The effect of sulphur compounds on hydrogen permeation rate in steel. 56th Annual Meeting of the International Society of Electrochemistry, 042-023 / 4B-003-O The effect of sulphur compounds on hydrogen permeation rate in steel Erik Hörnlund*, Jørn Fossen, Stian Haug; 2005-09-25 - 2005-09-30.

Tor Hemmingsen (2005) Bruk av offeranoder for katodisk beskyttelse i produsert vannmiljø i separator/prosesstanker. Drift- og vedlikeholdsdagene i Rogaland; 2005-11-22 - 2005-11-23.

Tor Hemmingsen; Erling Skavås; Frederik Fusek (2004) Sulphide film formation under alkaline conditions. Eurocorr 2004, EFC event no.266; 2004-09-12 - 2004-09-16.

Torfinn Havn; Tor Hemmingsen (2004) Safe use of Al-bronze components in 22Cr duplex stainlesssteel equipment. NACE Corrosion 2004; 2004-03-28.

Tor Hemmingsen; Ivar Austvoll; Frederik Fusek; Erling Skavås (2004) Combined optical and electrochemical measurements on sulphide film formation. 13th Scandinavian Corrosion Congress; 2004-04-18.

Tor Hemmingsen; Knut Førre; Hildegunn Urke; Nils Olav Aagotnes; Svein Eliassen (2004) Hydrogen diffusion in 13Cr supermartensitic stainless steels. Experiences with the electrochemical hydrogen permeationcell. 13th Scandinavian Corrosion Congress; 2004-04-18.

Tor Hemmingsen (2003) Elektrokjemiske studier omkring svovel. utenTitteltekst; 2003-04-03.

Tor Hemmingsen (2003) Assessment of sulphur and H2S corrosion by the use of simultaneous ER, galvanic and optical measurements. utenTitteltekst; 2003-04-08.

Tor Hemmingsen (2003) A comparison of sulphur compounds in saline and non-saline electrolytes on carbon steel. 54th Annual Meeting of the International Society of Electrochemistry; 2003-08-31 - 2003-09-05.

Tor Hemmingsen; Lisbeth Hilbert; Lars Vendelboe Nielsen (2003) Assessment of sulphur and H2S corrosion by use of simultaneous ER, galvanic and optical measurements. Eurocorr '03; 2003-09-28 - 2003-10-02.

Tor Hemmingsen (2003) Fjernvarme - utfordringer og muligheter. utenTitteltekst; 2003-02-05.

Sonja Richter; Tor Hemmingsen (2003) A Study of Electrochemical Behaviour of Sulphur Compounds. Eurocorr '03; 2003-09-28 - 2003-10-02.

Torfinn Havn; Lars Hardli; Nils Olav Aagotnes; Tor Hemmingsen (2002) Investigation of use of 316 SS in seawater protected by carbon steel. Corrosion 2002; 2002-04-07 - 2002-04-11.

Ragnheidur Inga Thorarinsdottir; Tor Hemmingsen; Magnus Nordling; Piet Jansen (2002) Improved quality control - Corrosion monitoring in district heating systems. I: ?. Volum 31. s.34-37.

Tor Hemmingsen (2002) Monitering av korrosjon i fjernvarmeanlegg- Et Nordisk Samarbeidsprosjekt. utenTitteltekst; 2002-11-06.

Tor Hemmingsen; Halfdan Hovdan; Pål Sanni; Nils Olav Aagotnes (2001) Determination of Tafel lines. The 200th Meeting of The Electrochemical Society, Inc. and the 52nd Meeting of The International Society of Electrochemistry; 2001-09-02 - 2001-09-07.

Tor Hemmingsen; Halfdan Hovdan; Pål Sanni; Nils Olav Aagotnes (2001) Effect of the redox potential in an electrolyte on weld corrosion. The 200th Meeting of The Electrochemical Society, Inc. and the 52nd Meeting of The International Society of Electrochemistry; 2001-09-02 - 2001-09-07.

Ragnheidur Inga Thorarinsdottir; Kate Nielsen; Lars Vendelboe Nielsen; Lisbeth Hilbert; Magnus Nordling; Tor Hemmingsen (2001) Monitering av korrosjon i fjernvarmesystemer. I: Kjemi. ISSN 0023-1983. s.16-18.

Ragnheidur Inga Thorarinsdottir; Kate Nielsen; Lars Vendelboe Nielsen; Lisbeth Hilbert; Magnus Nordling; Tor Hemmingsen (2001) Monitering af korrosion i fjernvarmesystemer. I: Dansk Kemi. ISSN 0011-6335. Volum 82. s.21-23.

Tor Hemmingsen (2000) Electrochemical and optical measurements of film formation on steel surface. 11th Australian Electrochemistry Conference. Theme: Advancing Electrochemistry in the New Millenium"; 2000-12-10 - 2000-12-14.

Tor Hemmingsen; Nils Olav Aagotnes; Trine Kroeger Silseth; Nada Kolak; Merete Kaik (2000) Effect of sulphite ions in N2 and CO2 purged 0.5 M NaCl solution on stainless steels examined by different electrochemical techniques and by reflectance measurments. CORROSION 99 NACEexpo 99;

Nils Olav Aagotnes; Tor Hemmingsen; Cecilie Alveid Haarseth; Ingolf Midttveit (2000) Comparison of corrosion measurments by use of AC-impedance, LPR and Polarisation Methods on carbon steel in CO2 purged NaCl solutions. Corrosion 99 NACExpo 99;

Tor Hemmingsen (1999) An evaluation of 13%Cr-steel for use in the oil wells. 9th International Oil Field Chemical Symposium (1998).;

Tor Hemmingsen; Dag A. Hinnaland; Arild Saasen (1999) The co-effect of asphaltenes on wax precipitation and crystallisation temperature. 9th International Oil Field Chemical Symposium (1998).;

Tor Hemmingsen; Cecilie A. Haarseth (1998) Studies of Carbonates Film Formation on Carbon Steel by Use of AC-Impedance. The 6th International Symposium on Electrochemical Methodes in Corrosion Research;

Tor Hemmingsen (1993) The Effect of Sulphite on Pitting and Crevice Corrosion on AISI 304 Stainless Steel. 4th International Oil Field Chemical Symposium; 1993-04-18 - 1993-04-21.

Tor Hemmingsen; Tor Hemmingsen; Torstein Våland (1989) An Investigation of the Effects of HSO3-/SO32- on Steel under Anaerobic Conditions. I: ?. s.65-65.

Source: Nasjonalt vitenarkiv