Vitenskapelige publikasjoner
Xing, Yihan;
Ong, Muk Chen;
Hemmingsen, Tor;
Ellingsen, Kjell Einar;
Reinås, Lorents
(2020)
Design Considerations of a Subsea Shuttle Tanker System for Liquid Carbon Dioxide Transportation.
I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 5: Ocean Space Utilization.
The American Society of Mechanical Engineers (ASME).
ISBN 978-0-7918-8436-2.
Adasooriya, Mudiyan Nirosha Damayanthi;
Hemmingsen, Tor;
Pavlou, Dimitrios
(2019)
An Experimental Study on Environmental Assisted Cracking of Structural Steel in 3.5 wt% NaCl Solution.
ISOPE - International Offshore and Polar Engineering Conference. Proceedings.
ISSN 1098-6189.
s.4154-4160.
Dotel, Utsav Raj;
Dirdal, Erik Gisle;
Sydnes, Magne Olav;
Jolma, Ingunn Westvik;
Urkedal, Hans;
Hemmingsen, Tor
(2018)
Selective electrochemical removal of monovalent and divalent ions from seawater.
The International Journal of Energy and Environment.
ISSN 2076-2895.
Volum 9.
Hefte 2.
s.129-136.
Mikkelsen, Ove;
Rege, Kristen;
Hemmingsen, Tor Henning;
Pavlou, Dimitrios
(2017)
Numerical Estimation of the Stop Holes-Induced Fatigue Crack Growth Retardation
in Offshore Structures Taking into Account the Corrosion Effect.
I: The Proceedings of the twenty-seventh (2017) International Ocean and Polar Engineering Conference - ISOPE 2017.
International Society of Offshore & Polar Engineers.
ISBN 978-1-880653-97-5.
s.451-458.
Enge, Espen;
Bredal, Mikal Vedå;
Vatsvåg, Helge;
Hemmingsen, Tor Henning
(2012)
The survival of a small isolated brown trout population (Salmo trutta) in a harsh environment in the remote Lysedalen, Rogaland.
Vann.
ISSN 0042-2592.
Hefte 2.
s.152-169.
Enge, Espen;
Hemmingsen, Tor
(2010)
Modellberegning av vannkjemiske effekter av vassdragsreguleringer ? eksempel fra Sira-Kvina-reguleringen.
Vann.
ISSN 0042-2592.
Volum 45.
Hefte 3.
Hilbert, Lisbeth;
Hemmingsen, Tor;
Nielsen, Lars Vendelboe;
Richter, S.
(2007)
Reliability of electrochemical techniques for determining corrosion rates on carbon steel in sulfide media.
Corrosion.
ISSN 0010-9312.
Volum 63.
Skavås, Erling;
Hemmingsen, Tor
(2007)
Kinetics and mechanism of sulphite oxidation on a rotating platinum disc electrode in an alkaline solution.
Electrochimica Acta.
ISSN 0013-4686.
Volum 52.
Hemmingsen, Tor;
Fusek, Frederik;
Skavås, Erling
(2006)
Monitoring of the corrosion process on sulphide film formation with electrochemical and optical measurements.
Electrochimica Acta.
ISSN 0013-4686.
Volum 51.
s.0-0.
Hilbert, Lisbeth;
Hemmingsen, Tor;
Vendelboe Nielsen, Lars;
Richter, Sonja
(2005)
When can electrochemical techniques give reliable corrosion rates on carbon steel in sulfide media?.
?.
Brede, Cato;
Skjevrak, Ingunn;
Herigstad, H;
Aanensen, Elin;
Austvoll, Ruth;
Hemmingsen, Tor
(2002)
Sample preparation and cleanup suitable for the screening of migration contaminants in vegetable oil using gas chromatography coupled with mass spectrometry.
Food Additives and Contaminants.
ISSN 0265-203X.
Volum 19.
s.483-491.
Hemmingsen, Tor;
Hovdan, Halfdan;
Sanni, Pål;
Aagotnes, Nils Olav
(2002)
The influence of electrolyte reduction potential on weld corrosion.
Electrochimica Acta.
ISSN 0013-4686.
Volum 47.
Hefte 24.
s.3949-3955.
Hemmingsen, Tor;
Lima, Hege
(1998)
Electrochemical and optical studies of sulphide film formation on carbon steel.
?.
Volum 35.
Treindl, L.;
Hemmingsen, Tor;
Ruoff, Peter
(1997)
The Belousov-Zhabotinskii Oscillations during Chemical or Electrochemical Generation of Silver Ions.
?.
Volum 269.
s.263-267.
Hemmingsen, Tor;
Hemmingsen, Tor;
Vangdal, Hans;
Våland, Torstein
(1992)
Formation of Ferrous Sulfide Film from Sulfite under Anaerobic Conditions.
Corrosion.
ISSN 0010-9312.
Volum 48.
Hefte 6.
s.475-481.
Hemmingsen, Tor
(1992)
The Electrochemical Reaction of Sulphur-Oxygen Compounds. Part II. Voltammetric Investigations Performed on Platinum.
Electrochimica Acta.
ISSN 0013-4686.
Volum 37.
Hefte 15.
s.2785-2790.
Hemmingsen, Tor
(1992)
The electrochemical reaction of sulphur––oxygen compounds––part I. A review of literature on the electrochemical properties of sulphur/sulphur––oxygen compounds.
Electrochimica Acta.
ISSN 0013-4686.
Volum 37.
Hefte 15.
s.2775-2784.
Hemmingsen, Tor;
Vendelboe Nielsen, Lars;
Maahn, Ernst
(1992)
The effect of sulphite om pitting and crevice corrosion on various steels in 0,5 M sodium chloride.
Materials Science Forum.
ISSN 0255-5476.
Volum 111-112.
s.453-470.
Hemmingsen, Tor;
Hemmingsen, Tor;
Våland, Torstein
(1991)
The Reactions of the Sulphite/Bisulphite - Couple on SMO-steel under Anaerobic Conditions.
Electrochimica Acta.
ISSN 0013-4686.
Volum 36.
Hefte 8.
s.1367-1375.
Hemmingsen, Tor Henning;
Svendsen, John Sigurd;
Sydnes, Leiv Kristen
(1988)
Silver-ion assisted methanolysis of 2,2-dibromo-1-methylcyclopropanecarboxylic acid and 2,2-dibromo-1,3-dimethylcyclopropanecarboxylic acid.
Acta Chemica Scandinavica.
ISSN 0904-213X.
Volum B42.
Hefte 10.
s.651-661.
Hemmingsen, Tor;
Svendsen, Jon Sigurd;
Sydnes, Leiv
(1988)
Silver-ion Assisted Methanolysis of 2,2-Dibromo-1-methylcyclopropancarboxylic Acid and 2,2-Dibromo-1,3-dimethylcyclopropancarboxylic Acid.
Acta Chemica Scandinavica.
ISSN 0904-213X.
Volum 42.
Hefte 10.
s.651-661.
Sydnes, Leiv;
Hemmingsen, Tor
(1986)
The Photochemical Decomposition of 9,10-Dimethyl-9,10-Dihydro-9,10-Epidioxyanthracene: A Reinvestigation.
Journal Chemical Research.
ISSN 0308-2342.
Volum 66.
s.66-67.
Sydnes, Leiv;
Hemmingsen, Tor
(1985)
Silver Ion-Assisted Methanolysis of Some Functionalized Bromocyclopropane Derivatives.
Acta Chemica Scandinavica.
ISSN 0904-213X.
Volum B39.
s.93-102.
Sydnes, Leiv;
Hemmingsen, Tor
(1985)
Seasonal Variations in Weathering and Toxicity of Crude Oil on Seawater under Arctic Conditions.
Environmental Science and Technology.
ISSN 0013-936X.
Volum 19.
Hefte 11.
s.1076-1081.
Formidling
Kelland, Malcolm Andrew;
Pomicpic, Janronel Calog;
Ghosh, Radhakanta;
Undheim, Camilla;
Hemmingsen, Tor;
Zhang, Qian;
Varfolomeev, Mikhail A.;
Pavelyev, Roman S.;
Vinogradova, Svetlana S.
(2021)
Multi-functional oilfield production chemicals: maleic-based
polymers for gas hydrate and corrosion inhibition.
COTech & OGTech;
2021-11-25 - 2021-11-26.
Apeland, Jørgen;
Pavlou, Dimitrios;
Hemmingsen, Tor
(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.
Mikkelsen, Ove;
Rege, Kristen;
Hemmingsen, Tor Henning;
Pavlou, Dimitrios
(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.
Palencsar, Iozsef Attila;
Seiersten, Marion;
Berntsen, Tonje;
Hemmingsen, Tor Henning
(2017)
Assessment of pH stabilization in low temperature regions of long subsea pipelines.
Eurocorr 2017;
2017-09-03 - 2017-09-07.
Palencsar, Iozsef Attila;
Seiersten, Marion;
Berntsen, Tonje;
Hemmingsen, Tor
(2017)
Assessment of pH stabilization in low temperature regions of long
subsea pipelines.
Oil Field Chemistry Symposium;
2017-03-26 - 2017-03-29.
Dotel, Utsav Raj;
Bakrachevska, Elena;
Austbø, Shane C Gjelnes;
Hemmingsen, Tor Henning;
Havn, Torfinn
(2015)
Corrosion resistance of tubing after bending.
16th Nordic Corrosion Congress;
2015-05-20 - 2015-05-22.
Høydal, Anne Britt;
Skavås, Erling;
Hemmingsen, Tor Henning
(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.
Farida, Winia;
Hemmingsen, Tor Henning;
Berntsen, Tonje;
Rabindran, Patrick
(2012)
Effect of Precorrosion and Temperature on the Formation Rate of Iron Carbonate Film.
7th Pipeline Technology Conference;
2012-03-28 - 2012-03-30.
Berntsen, Tonje;
Seiersten, M.;
Hemmingsen, Tor Henning
(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.
Berntsen, Tonje;
Seiersten, Marion;
Hemmingsen, Tor Henning
(2011)
Effect of FeCO3 Supersaturation and Carbide Exposure on the CO2 Corrosion Rate of Carbon Steel.
I: Corrosion Conference; Corrosion Conference and Expo 2011.
ISBN 9781617825934.
s.1119-1135.
Song, Y;
Palencsar, Attila;
Svenningsen, Gaute;
Hemmingsen, Tor Henning;
Kvarekval, J.
(2011)
Effect of O2 and Temperature on Sour Corrosion.
Corrosion Conference; Corrosion Conference and Expo 2011;
2011-03-13 - 2011-03-17.
Song, Y;
Palencsar, Attila;
Svenningsen, Gaute;
Hemmingsen, Tor Henning;
Kvarekval, J.
(2011)
Effect of O2 and Temperature on Sour Corrosion.
I: Corrosion Conference; Corrosion Conference and Expo 2011.
ISBN 9781617825934.
s.4074-4088.
Song, Yuan;
Palencsar, Attila;
Svenningsen, Gaute;
Hemmingsen, Tor;
Kvarekvål, J.
(2010)
Effect of oxygen and temperature on aqueous sour corrosion systems.
Eurocorr 2010;
2010-09-13 - 2010-09-17.
Palencsar, Attila;
Song, Yuan;
Svenningsen, Gaute;
Hemmingsen, Tor;
Kvarekvål, J.
(2009)
Effect of oxygen on aqueous sour corrosion systems.
Eurocorr 2009;
2009-09-06 - 2009-09-10.
Berntsen, Tonje;
Seiersten, Marion;
Hemmingsen, Tor
(2008)
CO2 Corrosion of Carbon Steel at Lower Temperatures.
Eurocorr 2008;
2008-09-07 - 2008-09-11.
Skavås, Erling;
Hemmingsen, Tor
(2007)
A Study of the Interference from Sulphide and Dithionite on Electrochemical Sulphite Analyses on Platinum.
?.
Volum 2.
Hefte 3.
s.203-215.
Hörnlund, Erik;
Fossen, Jørn;
Hauger, Stian;
Haugen, Christine;
Havn, Torfinn;
Hemmingsen, Tor
(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.
?.
Volum 2.
Hefte 1.
s.82-92.
Hemmingsen, Tor
(2006)
Uten kjemi stopper oljen.
Norwegian Chemical Society Meeting;
2006-09-21.
Skavås, Erling;
Adriaens, Annemie;
Hemmingsen, Tor
(2006)
A comparative study of sulphite oxidation under alkaline conditions by use of wall-jet flow cell and rotating disc electrode.
International Journal of Electrochemical Science.
ISSN 1452-3981.
Volum 1.
Hefte 8.
s.414-424.
Hemmingsen, Tor;
Havn, Torfinn;
Hörnlund, Erik;
Ferkingstad, Håkon;
Voll, Frank
(2005)
Use of aluminium and zinc anodes for cathodic protection of produced water tanks and separators.
Eurocorr 2005;
2005-09-04 - 2005-09-08.
Havn, Torfinn;
Hemmingsen, Tor;
Hörnlund, Erik;
Eriksen, Kristian
(2005)
Comparison of corrosion resistance of two duplex stainless steels after simulated welding.
Eurocorr 2005;
2005-09-04 - 2005-09-08.
Hörnlund, Erik;
Havn, Torfinn;
Hemmingsen, Tor
(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.
Hemmingsen, Tor
(2005)
Bruk av offeranoder for katodisk beskyttelse i produsert vannmiljø i separator/prosesstanker.
Drift- og vedlikeholdsdagene i Rogaland;
2005-11-22 - 2005-11-23.
Hemmingsen, Tor;
Førre, Knut;
Urke, Hildegunn;
Aagotnes, Nils Olav;
Eliassen, Svein
(2004)
Hydrogen diffusion in 13Cr supermartensitic stainless steels. Experiences with the electrochemical hydrogen permeationcell.
13th Scandinavian Corrosion Congress;
2004-04-18.
Hemmingsen, Tor;
Austvoll, Ivar;
Fusek, Frederik;
Skavås, Erling
(2004)
Combined optical and electrochemical measurements on sulphide film formation.
13th Scandinavian Corrosion Congress;
2004-04-18.
Havn, Torfinn;
Hemmingsen, Tor
(2004)
Safe use of Al-bronze components in 22Cr duplex stainlesssteel equipment.
NACE Corrosion 2004;
2004-03-28.
Hemmingsen, Tor;
Skavås, Erling;
Fusek, Frederik
(2004)
Sulphide film formation under alkaline conditions.
Eurocorr 2004, EFC event no.266;
2004-09-12 - 2004-09-16.
Hemmingsen, Tor;
Hilbert, Lisbeth;
Vendelboe Nielsen, Lars
(2003)
Assessment of sulphur and H2S corrosion by use of simultaneous ER, galvanic and optical measurements.
Eurocorr '03;
2003-09-28 - 2003-10-02.
Richter, Sonja;
Hemmingsen, Tor
(2003)
A Study of Electrochemical Behaviour of Sulphur Compounds.
Eurocorr '03;
2003-09-28 - 2003-10-02.
Hemmingsen, Tor
(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.
Hemmingsen, Tor
(2003)
Fjernvarme - utfordringer og muligheter.
utenTitteltekst;
2003-02-05.
Hemmingsen, Tor
(2003)
Elektrokjemiske studier omkring svovel.
utenTitteltekst;
2003-04-03.
Hemmingsen, Tor
(2003)
Assessment of sulphur and H2S corrosion by the use of simultaneous ER, galvanic and optical measurements.
utenTitteltekst;
2003-04-08.
Havn, Torfinn;
Hardli, Lars;
Aagotnes, Nils Olav;
Hemmingsen, Tor
(2002)
Investigation of use of 316 SS in seawater protected by carbon steel.
Corrosion 2002;
2002-04-07 - 2002-04-11.
Thorarinsdottir, Ragnheidur Inga;
Hemmingsen, Tor;
Nordling, Magnus;
Jansen, Piet
(2002)
Improved quality control - Corrosion monitoring in district heating systems.
?.
Volum 31.
Hefte 5.
s.34-37.
Hemmingsen, Tor
(2002)
Monitering av korrosjon i fjernvarmeanlegg- Et Nordisk Samarbeidsprosjekt.
utenTitteltekst;
2002-11-06.
Hemmingsen, Tor;
Hovdan, Halfdan;
Sanni, Pål;
Aagotnes, Nils Olav
(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.
Hemmingsen, Tor;
Hovdan, Halfdan;
Sanni, Pål;
Aagotnes, Nils Olav
(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.
Thorarinsdottir, Ragnheidur Inga;
Nielsen, Kate;
Nielsen, Lars Vendelboe;
Hilbert, Lisbeth;
Nordling, Magnus;
Hemmingsen, Tor
(2001)
Monitering av korrosjon i fjernvarmesystemer.
Kjemi.
ISSN 0023-1983.
Hefte 10.
s.16-18.
Thorarinsdottir, Ragnheidur Inga;
Nielsen, Kate;
Nielsen, Lars Vendelboe;
Hilbert, Lisbeth;
Nordling, Magnus;
Hemmingsen, Tor
(2001)
Monitering af korrosion i fjernvarmesystemer.
Dansk Kemi.
ISSN 0011-6335.
Volum 82.
Hefte 12.
s.21-23.
Hemmingsen, Tor
(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.
Aagotnes, Nils Olav;
Hemmingsen, Tor;
Haarseth, Cecilie Alveid;
Midttveit, Ingolf
(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;
Hemmingsen, Tor;
Aagotnes, Nils Olav;
Silseth, Trine Kroeger;
Kolak, Nada;
Kaik, Merete
(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;
Hemmingsen, Tor;
Hinnaland, Dag A.;
Saasen, Arild
(1999)
The co-effect of asphaltenes on wax precipitation and crystallisation temperature.
9th International Oil Field Chemical Symposium (1998).;
Hemmingsen, Tor
(1999)
An evaluation of 13%Cr-steel for use in the oil wells.
9th International Oil Field Chemical Symposium (1998).;
Hemmingsen, Tor;
Haarseth, Cecilie A.
(1998)
Studies of Carbonates Film Formation on Carbon Steel by Use of AC-Impedance.
The 6th International Symposium on Electrochemical Methodes in Corrosion Research;
Hemmingsen, Tor
(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.
Hemmingsen, Tor;
Hemmingsen, Tor;
Våland, Torstein
(1989)
An Investigation of the Effects of HSO3-/SO32- on Steel under Anaerobic Conditions.
?.