Randi Kalskin Ramstad
Publikasjoner
2026
-
Kauko, Hanne Laura Pauliina;
Strømstad, Torbjørn;
Gabrielii, Cecilia H;
Khalil, Roger Antoine;
Belbo, Håvard;
Solli, Martin;
Worsoe, Christoffer;
Vandsvik, Kai-Robert;
Holmberg, Henrik;
Ramstad, Randi Kalskin.
(2026)
Tydal Biopark: Overskuddsvarme fra datasenter som grunnlag for en bioindustriklynge.
SINTEF Energi AS
Forskningsrapport
2025
-
Midttømme, Kirsti;
Beer, Hans de;
Kvalsvik, Karoline Husevåg;
Nermoen, Anders;
Hagemoen, Rolf-Iver Mytting;
Lønøy, Bjarte;
Ramstad, Randi Kalskin.
(2025)
Geothermal Energy Use, Country Update for Norway.
European Geothermal Congress
Konferanserapport
-
Kvalsvik, Karoline Husevåg;
Ramstad, Randi Kalskin;
Holmberg, Henrik;
Kocbach, Jan Martin.
(2025)
Measurements and simulations of high temperature borehole thermal energy storage in Drammen, Norway - evaluation of thermal losses and thermal barrier.
Geothermics
Vitenskapelig artikkel
2023
-
Kvalsvik, Karoline Husevåg;
Holmberg, Henrik;
Ramstad, Randi Kalskin;
Midttømme, Kirsti.
(2023)
Inclusion of advection in fractures in the line source equation for analysis of thermal response tests.
Geothermics
Vitenskapelig artikkel
2022
-
Stenvik, Lars Aaberg;
Ramstad, Randi Kalskin;
Frengstad, Bjørn S..
(2022)
Optimizing submersible pump regulation of a clogging prone groundwater heat pump system in Melhus, Norway.
Science and Technology for the Built Environment
Vitenskapelig artikkel
-
Ramstad, Randi Kalskin;
Justo Alonso, Maria;
Acuna, José;
Andersson, Olof;
Stokuca, Milan;
Håkansson, Niklas;
Midttømme, Kirsti;
Rydell, Leif.
(2022)
The borehole thermal energy storage at Emmaboda, Sweden: First distributed temperature measurements.
Science and Technology for the Built Environment
Vitenskapelig artikkel
-
Kvalsvik, Karoline;
Ramstad, Randi Kalskin;
Holmberg, Henrik;
Midttømme, Kirsti.
(2022)
Quantification of time-varying groundwater flow in boreholes in fractured crystalline rock using long-term distributed temperature sensing.
Norwegian Journal of Geology
Vitenskapelig artikkel
-
Stenvik, Lars Aaberg;
Gjengedal, Sondre;
Ramstad, Randi Kalskin;
Frengstad, Bjørn S..
(2022)
How to avoid gas clogging in groundwater heat pump systems: a case study from the Lena terrasse system in Melhus, Norway.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
-
Stenvik, Lars Aaberg;
Gjengedal, Sondre;
Ramstad, Randi Kalskin;
Frengstad, Bjørn.
(2022)
Hydrochemical and biotic control on iron incrustations in groundwater heat pump systems: Case study from a saline, anoxic aquifer in Melhus, Norway.
Geothermics
Vitenskapelig artikkel
2021
-
Gjengedal, Sondre;
Stenvik, Lars Aaberg;
Ramstad, Randi Kalskin;
Ulfsnes, Jan Ivar;
Hilmo, Bernt Olav;
Frengstad, Bjørn S..
(2021)
Online remote-controlled and cost-effective fouling and clogging surveillance of a groundwater heat pump system.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
2020
-
Stenvik, Lars Aaberg;
Ramstad, Randi Kalskin;
Kristensen, Lene.
(2020)
Test of Differential Monitoring of Stability (DMS) borehole temperature data to map groundwater flow in the unstable rock mass at Åknes, Norway.
Vitenskapelig kapittel
-
Gjengedal, Sondre;
Brøtan, Vegard;
Buset, Ole Tore;
Larsen, Erik;
Åsebø Berg, Olav;
Torsæter, Ole;
Ramstad, Randi Kalskin;
Hilmo, Bernt Olav;
Frengstad, Bjørn.
(2020)
Fluid flow through 3D-printed particle beds: a new technique for understanding, validating, and improving predictability of permeability from empirical equations.
Transport in Porous Media
Vitenskapelig artikkel
-
Gjengedal, Sondre;
Ramstad, Randi Kalskin;
Hilmo, Bernt Olav;
Frengstad, Bjørn S..
(2020)
Fouling and clogging surveillance in open loop GSHP systems: A systematic procedure for fouling and clogging detection in the whole groundwater circuit.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
2019
-
Justo Alonso, Maria;
Line, Tor;
Næss, Erling;
Ramstad, Randi Kalskin;
Breuhaus, Peter Helmut Herbert;
Midttømme, Kirsti.
(2019)
Lessons learned after one-year of use of a highly efficient
neighbourhood in Norway.
IOP Conference Series: Materials Science and Engineering
Vitenskapelig artikkel
-
Gjengedal, Sondre;
Stenvik, Lars Aaberg;
Storli, Pål-Tore Selbo;
Ramstad, Randi Kalskin;
Hilmo, Bernt Olav;
Frengstad, Bjørn S..
(2019)
Design of Groundwater Heat Pump Systems.
Principles, Tools, and Strategies for Controlling Gas
and Precipitation Problems.
Energies
Vitenskapelig artikkel
2016
-
Spitler, Jeffrey D;
Javed, Saqib;
Ramstad, Randi Kalskin.
(2016)
Natural convection in groundwater-filled boreholes used as ground heat exchangers.
Applied Energy
Vitenskapelig artikkel
-
Persson, Tomas;
Stavset, Ole;
Ramstad, Randi Kalskin;
Justo Alonso, Maria.
(2016)
Software for modelling and simulation of
ground source heating and cooling systems.
SINTEF Energi AS
Forskningsrapport
-
Ganerød, Guri Venvik;
Ramstad, Randi Kalskin.
(2016)
Grunnvann som energikilde har ingen CO2-utslipp, likevel er det lite brukt i Norge.
Teknisk Ukeblad
Fagartikkel
-
Ramstad, Randi Kalskin;
Hilmo, Bernt Olav.
(2016)
ORMEL-prosjektet.
VVS aktuelt
Fagartikkel
2014
-
Ramstad, Randi Kalskin;
Midttømme, Kirsti;
Liebel, Heiko Tobias;
Frengstad, Bjørn S;
Willemoes-Wissing, Bjørn.
(2014)
Thermal conductivity map of the Oslo region based on thermal diffusivity measurements of rock core samples.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
2012
-
Liebel, Heiko Tobias;
Stølen, Marie Sigmundsdatter;
Frengstad, Bjørn Syvert;
Ramstad, Randi kalskin;
Brattli, Bjørge.
(2012)
Insights into the reliability of different thermal conductivity measurement techniques: a thermo-geological study in Mære (Norway).
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
-
Liebel, Heiko Tobias;
Huber, Kilian;
Frengstad, Bjørn Syvert;
Ramstad, Randi kalskin;
Brattli, Bjørge.
(2012)
Thermal response testing of a fractured hard rock aquifer with and without induced groundwater flow.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
2011
-
Liebel, Heiko Tobias;
Huber, Kilian;
Frengstad, Bjørn Syvert;
Ramstad, Randi kalskin;
Brattli, Bjørge.
(2011)
Temperature footprint of a thermal response test can help to reveal thermogeological information.
Bulletin. Norges geologiske undersøkelse (NGU-Bulletin)
Vitenskapelig artikkel
2010
-
Liebel, Heiko;
Huber, K.;
Frengstad, Bjørn Syvert;
Ramstad, Randi kalskin;
Brattli, Bjørge.
(2010)
Rock core samples cannot replace thermal response tests : a statistical comparison based on thermal conductivity data from the Oslo Region (Norway).
Vitenskapelig kapittel
2009
-
Liebel, Heiko;
Brattli, Bjørge;
Huber, Kilian;
Frengstad, Bjørn;
Ramstad, Randi Kalskin.
(2009)
Thermogeology in the Oslo region and Kristiansand - Results from thermal response tests (TRT) with and without artificially induced groundwater flow.
Norges geologiske undersøkelse (NGU)
Forskningsrapport
2008
-
Liebel, Heiko;
Frengstad, Bjørn;
Ramstad, Randi;
Brattli, Bj�rge.
(2008)
Low enthalpy geothermal energy in fractured rock aquifers.
33rd International Geological Congress, Abstracts
Konferanseabstract
2006
-
Ramstad, Randi;
Hilmo, Bernt O.;
Brattli, Bjørge.
(2006)
In-situ rock stress and construction of groundwater-based ground source energy plant.
Vitenskapelig kapittel
2005
-
Ramstad, Randi Kalskin.
(2005)
Vann i berg – til nytte og besvær: grunnvann i berg som ressurs for menneskers velferd og som årsak til problemer i undergrunnsanlegg.
NTNU, Institutt for geologi og bergteknikk
Forskningsrapport
2004
-
Ramstad, Randi Kalskin.
(2004)
Ground source energy in crystalline bedrock - increased energy extraction by using hydraulic fracturing in boreholes.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandling
Tidsskriftspublikasjoner
-
Gjengedal, Sondre;
Stenvik, Lars Aaberg;
Ramstad, Randi Kalskin;
Ulfsnes, Jan Ivar;
Hilmo, Bernt Olav;
Frengstad, Bjørn S..
(2021)
Online remote-controlled and cost-effective fouling and clogging surveillance of a groundwater heat pump system.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
-
Stenvik, Lars Aaberg;
Ramstad, Randi Kalskin;
Frengstad, Bjørn S..
(2022)
Optimizing submersible pump regulation of a clogging prone groundwater heat pump system in Melhus, Norway.
Science and Technology for the Built Environment
Vitenskapelig artikkel
-
Kvalsvik, Karoline Husevåg;
Holmberg, Henrik;
Ramstad, Randi Kalskin;
Midttømme, Kirsti.
(2023)
Inclusion of advection in fractures in the line source equation for analysis of thermal response tests.
Geothermics
Vitenskapelig artikkel
-
Spitler, Jeffrey D;
Javed, Saqib;
Ramstad, Randi Kalskin.
(2016)
Natural convection in groundwater-filled boreholes used as ground heat exchangers.
Applied Energy
Vitenskapelig artikkel
-
Justo Alonso, Maria;
Line, Tor;
Næss, Erling;
Ramstad, Randi Kalskin;
Breuhaus, Peter Helmut Herbert;
Midttømme, Kirsti.
(2019)
Lessons learned after one-year of use of a highly efficient
neighbourhood in Norway.
IOP Conference Series: Materials Science and Engineering
Vitenskapelig artikkel
-
Kvalsvik, Karoline Husevåg;
Ramstad, Randi Kalskin;
Holmberg, Henrik;
Kocbach, Jan Martin.
(2025)
Measurements and simulations of high temperature borehole thermal energy storage in Drammen, Norway - evaluation of thermal losses and thermal barrier.
Geothermics
Vitenskapelig artikkel
-
Gjengedal, Sondre;
Brøtan, Vegard;
Buset, Ole Tore;
Larsen, Erik;
Åsebø Berg, Olav;
Torsæter, Ole;
Ramstad, Randi Kalskin;
Hilmo, Bernt Olav;
Frengstad, Bjørn.
(2020)
Fluid flow through 3D-printed particle beds: a new technique for understanding, validating, and improving predictability of permeability from empirical equations.
Transport in Porous Media
Vitenskapelig artikkel
-
Gjengedal, Sondre;
Stenvik, Lars Aaberg;
Storli, Pål-Tore Selbo;
Ramstad, Randi Kalskin;
Hilmo, Bernt Olav;
Frengstad, Bjørn S..
(2019)
Design of Groundwater Heat Pump Systems.
Principles, Tools, and Strategies for Controlling Gas
and Precipitation Problems.
Energies
Vitenskapelig artikkel
-
Liebel, Heiko Tobias;
Stølen, Marie Sigmundsdatter;
Frengstad, Bjørn Syvert;
Ramstad, Randi kalskin;
Brattli, Bjørge.
(2012)
Insights into the reliability of different thermal conductivity measurement techniques: a thermo-geological study in Mære (Norway).
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
-
Ramstad, Randi Kalskin;
Justo Alonso, Maria;
Acuna, José;
Andersson, Olof;
Stokuca, Milan;
Håkansson, Niklas;
Midttømme, Kirsti;
Rydell, Leif.
(2022)
The borehole thermal energy storage at Emmaboda, Sweden: First distributed temperature measurements.
Science and Technology for the Built Environment
Vitenskapelig artikkel
-
Liebel, Heiko Tobias;
Huber, Kilian;
Frengstad, Bjørn Syvert;
Ramstad, Randi kalskin;
Brattli, Bjørge.
(2012)
Thermal response testing of a fractured hard rock aquifer with and without induced groundwater flow.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
-
Ramstad, Randi Kalskin;
Midttømme, Kirsti;
Liebel, Heiko Tobias;
Frengstad, Bjørn S;
Willemoes-Wissing, Bjørn.
(2014)
Thermal conductivity map of the Oslo region based on thermal diffusivity measurements of rock core samples.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
-
Ganerød, Guri Venvik;
Ramstad, Randi Kalskin.
(2016)
Grunnvann som energikilde har ingen CO2-utslipp, likevel er det lite brukt i Norge.
Teknisk Ukeblad
Fagartikkel
-
Ramstad, Randi Kalskin;
Hilmo, Bernt Olav.
(2016)
ORMEL-prosjektet.
VVS aktuelt
Fagartikkel
-
Gjengedal, Sondre;
Ramstad, Randi Kalskin;
Hilmo, Bernt Olav;
Frengstad, Bjørn S..
(2020)
Fouling and clogging surveillance in open loop GSHP systems: A systematic procedure for fouling and clogging detection in the whole groundwater circuit.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
-
Kvalsvik, Karoline;
Ramstad, Randi Kalskin;
Holmberg, Henrik;
Midttømme, Kirsti.
(2022)
Quantification of time-varying groundwater flow in boreholes in fractured crystalline rock using long-term distributed temperature sensing.
Norwegian Journal of Geology
Vitenskapelig artikkel
-
Liebel, Heiko Tobias;
Huber, Kilian;
Frengstad, Bjørn Syvert;
Ramstad, Randi kalskin;
Brattli, Bjørge.
(2011)
Temperature footprint of a thermal response test can help to reveal thermogeological information.
Bulletin. Norges geologiske undersøkelse (NGU-Bulletin)
Vitenskapelig artikkel
-
Stenvik, Lars Aaberg;
Gjengedal, Sondre;
Ramstad, Randi Kalskin;
Frengstad, Bjørn S..
(2022)
How to avoid gas clogging in groundwater heat pump systems: a case study from the Lena terrasse system in Melhus, Norway.
Bulletin of Engineering Geology and the Environment
Vitenskapelig artikkel
-
Stenvik, Lars Aaberg;
Gjengedal, Sondre;
Ramstad, Randi Kalskin;
Frengstad, Bjørn.
(2022)
Hydrochemical and biotic control on iron incrustations in groundwater heat pump systems: Case study from a saline, anoxic aquifer in Melhus, Norway.
Geothermics
Vitenskapelig artikkel
-
Liebel, Heiko;
Frengstad, Bjørn;
Ramstad, Randi;
Brattli, Bj�rge.
(2008)
Low enthalpy geothermal energy in fractured rock aquifers.
33rd International Geological Congress, Abstracts
Konferanseabstract
Del av bok/rapport
-
Liebel, Heiko;
Huber, K.;
Frengstad, Bjørn Syvert;
Ramstad, Randi kalskin;
Brattli, Bjørge.
(2010)
Rock core samples cannot replace thermal response tests : a statistical comparison based on thermal conductivity data from the Oslo Region (Norway).
Vitenskapelig kapittel
-
Stenvik, Lars Aaberg;
Ramstad, Randi Kalskin;
Kristensen, Lene.
(2020)
Test of Differential Monitoring of Stability (DMS) borehole temperature data to map groundwater flow in the unstable rock mass at Åknes, Norway.
Vitenskapelig kapittel
-
Ramstad, Randi;
Hilmo, Bernt O.;
Brattli, Bjørge.
(2006)
In-situ rock stress and construction of groundwater-based ground source energy plant.
Vitenskapelig kapittel
Rapport
-
Kauko, Hanne Laura Pauliina;
Strømstad, Torbjørn;
Gabrielii, Cecilia H;
Khalil, Roger Antoine;
Belbo, Håvard;
Solli, Martin;
Worsoe, Christoffer;
Vandsvik, Kai-Robert;
Holmberg, Henrik;
Ramstad, Randi Kalskin.
(2026)
Tydal Biopark: Overskuddsvarme fra datasenter som grunnlag for en bioindustriklynge.
SINTEF Energi AS
Forskningsrapport
-
Midttømme, Kirsti;
Beer, Hans de;
Kvalsvik, Karoline Husevåg;
Nermoen, Anders;
Hagemoen, Rolf-Iver Mytting;
Lønøy, Bjarte;
Ramstad, Randi Kalskin.
(2025)
Geothermal Energy Use, Country Update for Norway.
European Geothermal Congress
Konferanserapport
-
Persson, Tomas;
Stavset, Ole;
Ramstad, Randi Kalskin;
Justo Alonso, Maria.
(2016)
Software for modelling and simulation of
ground source heating and cooling systems.
SINTEF Energi AS
Forskningsrapport
-
Liebel, Heiko;
Brattli, Bjørge;
Huber, Kilian;
Frengstad, Bjørn;
Ramstad, Randi Kalskin.
(2009)
Thermogeology in the Oslo region and Kristiansand - Results from thermal response tests (TRT) with and without artificially induced groundwater flow.
Norges geologiske undersøkelse (NGU)
Forskningsrapport
-
Ramstad, Randi Kalskin.
(2005)
Vann i berg – til nytte og besvær: grunnvann i berg som ressurs for menneskers velferd og som årsak til problemer i undergrunnsanlegg.
NTNU, Institutt for geologi og bergteknikk
Forskningsrapport
Studentoppgave eller avhandling
-
Ramstad, Randi Kalskin.
(2004)
Ground source energy in crystalline bedrock - increased energy extraction by using hydraulic fracturing in boreholes.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandling
Undervisning
Emner
- TGB4200 - Ingeniørgeologi - Løsmasser, videregående kurs
- TGB4570 - Tekniske geofag, fordypningsprosjekt
- TGB4945 - Tekniske geofag, masteroppgave
- TGB4855 - Eksperter i team - Energilagring i grunnen - et viktig bidrag i det grønne skiftet
- TEP4260 - Varmepumpesystemer for oppvarming og kjøling av bygninger
- TGB4205 - Hydrogeologi
Formidling
2025
-
Annen presentasjonGeorges, Laurent Francis Ghislain; Ramstad, Randi Kalskin; Liravi, Mohammad; Jenssen, Bjørn; Midttømme, Kirsti; Harsem, Trond Thorgeir; Pour Ahmadiyan, Ali. (2025) Hybrid Ground Source Heat Pumps in Cold Climates. Hybrid Ground Source Heat Pumps in Cold Climates
-
KonferanseforedragMidttømme, Kirsti; Beer, Johannes de; Ramstad, Randi Kalskin. (2025) Geoenergi og setninger. Vinterkonferansen 2025
2024
-
KonferanseforedragKvalsvik, Karoline Husevåg; Ramstad, Randi Kalskin; Holmberg, Henrik; Kocbach, Jan Martin. (2024) Quantification of losses from borehole thermal energy storage through distributed temperature sensing and numerical modelling. IGSHPA 2024
-
ForedragRamstad, Randi Kalskin. (2024) Integrated mapping of energy requirements and geologic knowledge into optimal tailored system design in Norway. Optimization of Shallow Geothermal Energy Resources for Green Transition OptiSGE Hybrid workshop
-
KonferanseforedragMidttømme, Kirsti; Beer, Hans de; Ramstad, Randi Kalskin. (2024) Monitoring Geoenergy-Related Subsidence and Ground Movements Using InSAR Technology. European Geothermal Workshop 2024
2023
-
ForedragKvalsvik, Karoline Husevåg; Ramstad, Randi Kalskin; Midttømme, Kirsti; Holmberg, Henrik. (2023) Distributed Temperature Sensing measurements for exploring Borehole Thermal Energy Storages in Scandinavia. European Geothermal Workshop
-
ForedragRamstad, Randi Kalskin; Midttømme, Kirsti. (2023) Muligheter innenfor de nye nasjonale virkemidlene for ENØK. Bergvarme: Veien til energioptimalisering i Norge?
2022
-
KonferanseposterBryn, Christian Rekve; Soldal, Oddmund; Frengstad, Bjørn S.; Ramstad, Randi Kalskin; Dagestad, Atle. (2022) BØMOEN PLUS VILLAGE - A sustainable utilization of a groundwater resource for drinking water, energy extraction and storage. 35th Nordic Geological Winter meeting, 2022
2021
-
KonferanseforedragStenvik, Lars Aaberg; Frengstad, Bjørn S.; Gjengedal, Sondre; Ramstad, Randi Kalskin. (2021) Diagnosing Encrustation Problems in Open-loop Groundwater Heat Pump Systems in Melhus, Norway. World Geothermal Congress 2020+1 Reykjavik
-
Foredrag
-
KonferanseforedragMidttømme, Kirsti; Ramstad, Randi Kalskin; Kvalsvik, Karoline; Justo Alonso, Maria. (2021) Geothermal Energy Use in Norway. Country Update for 2015-2019. World Geothermal Congress 2020
-
KonferanseforedragKvalsvik, Karoline; Ramstad, Randi Kalskin; Midttømme, Kirsti; Holmberg, Henrik. (2021) Quantification of grondwater flow using DTS for better BTES design. Vinterkonferansen 2021
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KonferanseforedragJusto Alonso, Maria; Ramstad, Randi Kalskin; Holmberg, Henrik; Walnum, Harald Taxt; Midttømme, Kirsti; Andersen, Geir. (2021) Fjell 2020 High Temperature Borehole Energy Storage - System Control for Various Operation Modes. World Geothermal Congress 2020
-
KonferanseposterKvalsvik, Karoline; Ramstad, Randi Kalskin; Holmberg, Henrik; Midttømme, Kirsti. (2021) EFFECTIVE THERMAL CONDUCTIVITY FROM THERMAL RESPONSE TESTS INCREASES WITH TIME WHEN SUFFICIENT GROUNDWATER FLOW IS PRESENT. Enerstock
2020
-
KonferanseforedragMidttømme, Kirsti; Justo Alonso, Maria; Krafft, Charlotte Gannefors; Kvalsvik, Karoline; Ramstad, Randi Kalskin; Stene, Jørn. (2020) Geothermal Energy Use in Norway, Country Update for 2015-2019. World Geothermal Congress 2020
-
ForedragRamstad, Randi Kalskin; Stenvik, Lars Aaberg. (2020) Lena terrasse, Melhus: Long-term performance of GSHP systems for commercial, institutional and multi-family buildings. IEA HPT Annex 52
-
KonferanseforedragMidttømme, Kirsti; Ramstad, Randi Kalskin; Justo Alonso, Maria; Krafft, Charlotte Gannefors. (2020) Geothermal energy systems – understanding the heat exchange by distributed temperature sensing (DTS). 34th Nordic Geological Winter Meeting
2019
-
KonferanseforedragMidttømme, Kirsti; Skarphagen, Helge; Ramstad, Randi Kalskin; Bastesen, Eivind; Kvalsvik, Karoline. (2019) Developing Borehole Thermal Energy Storage (BTES) towards high temperature (HT) BTES. Geologisk Vintermøte, Bergen
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ForedragMidttømme, Kirsti; Ramstad, Randi Kalskin; Justo Alonso, Maria; Stene, Jørn. (2019) Norway- Annex 52 Monitoring Projects. IEA HPT 4th expert meeting
-
ForedragMidttømme, Kirsti; Ramstad, Randi Kalskin; Justo Alonso, Maria; Stene, Jørn. (2019) Country News- Norway. IEA HPT Annex 52 4th Expert Meeting
-
ForedragMidttømme, Kirsti; Ramstad, Randi Kalskin; Justo Alonso, Maria; Kvalsvik, Karoline; Stene, Jørn. (2019) Country News - Norway. IEA HPT Annex 52 3th Expert Meeting
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KonferanseforedragStenvik, Lars Aaberg; Gjengedal, Sondre; Frengstad, Bjørn S.; Ramstad, Randi Kalskin. (2019) Application of a flow-through cell to monitor groundwater source heat pump systems in Melhus, Norway. 46th IAH Congress: Groundwater management and governance – coping with water scarcity
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ForedragMidttømme, Kirsti; Ramstad, Randi Kalskin; Justo Alonso, Maria; Kvalsvik, Karoline; Stene, Jørn; Holmberg, Henrik; Sivertsen, Ove. (2019) Norway - Annex 52 Monitoring Projects. IEA HPT Annex 52 3th Expert Meeting
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KonferanseforedragStenvik, Lars Aaberg; Gjengedal, Sondre; Frengstad, Bjørn S.; Ramstad, Randi Kalskin. (2019) ORMEL 2: Iron and manganese encrustations in open-loop ground source heat pump systems. Vinterkonferansen 2019
-
ForedragStenvik, Lars Aaberg; Gjengedal, Sondre; Frengstad, Bjørn S.; Ramstad, Randi Kalskin. (2019) Groundwater source heat pumps systems: Principles and challenges. Clean Energy Symposium
-
KonferanseforedragKvalsvik, Karoline; Midttømme, Kirsti; Ramstad, Randi Kalskin. (2019) Geothermal Energy Use, Country Update for Norway. European Geothermal Congress 2019
2018
-
KonferanseforedragHolmberg, Henrik; Ramstad, Randi Kalskin; Riise, Mari Helen. (2018) Temperature profile measurements – easy, cheap and informative. IGSHPA Reasearch Conference 2018
-
KonferanseforedragGjengedal, Sondre; Ramstad, Randi Kalskin; Hilmo, Bernt Olav; Frengstad, Bjørn S.. (2018) Video inspection of wells in open loop ground source heat pump systems in Norway. IGSHPA Reasearch Conference 2018
-
ForedragRamstad, Randi Kalskin. (2018) Energibrønner som varmekilde for varmepumper. VVS foreningen/CGER, Bergen 10 april 2018
2017
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ForedragRamstad, Randi Kalskin; Gjengedal, Sondre. (2017) Forskningsprosjektet ORMEL i Norge - grunnvann til varme og kjøling i Melhus og Elverum. Grundvattendagarna Uppsala
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ForedragRamstad, Randi Kalskin. (2017) Aquifer Thermal Energy Storage (ATES) and direct use of groundwater for heating and cooling – Norwegian experiences. Seminar Poland, Iceland, EGEC, Norway Bergen
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ForedragRamstad, Randi Kalskin. (2017) Onshore geoenergy - Technologies and potential. Workshop Statoil på NTNU IGP
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ForedragRamstad, Randi Kalskin. (2017) Energibrønner som varmekilde for varmepumper - Har kuldebransjen noe å lære her?. Kveldsmøte for Norsk kjøleteknisk forening i Oslo
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ForedragRamstad, Randi Kalskin. (2017) ORMEL - optimal Resource utilization of groundwater for heating and cooling in Melhus and Elverum. GeoEnergi 2017 Bergen
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ForedragRamstad, Randi Kalskin; Holmberg, Henrik; Mazotti, Willem. (2017) De viktigste resultatene fra Føyka-prosjektet så langt. Seminaret "Nye løsninger for geoenergi"
2016
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KonferanseforedragMidttømme, Kirsti; Henne, Ingvar; Kocbach, Jan; Ramstad, Randi Kalskin. (2016) Geothermal Energy Use, Country Update for Norway. European Geothermal Congress 2016
2015
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KonferanseforedragMidttømme, Kirsti; Muller, Jiri; Ramstad, Randi Kalskin. (2015) Country Update for Norway. World Geothermal Congress 2015
2011
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KonferanseforedragLiebel, Heiko; Frengstad, Bjørn; Ramstad, Randi Kalskin; Brattli, Bjørge. (2011) Termisk responstesting kontra varmeledningsevne målt i lab. "Det 20. nasjonale seminar om hydrogeologi og miljøgeologi, NGU.
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KonferanseposterLiebel, Heiko Tobias; Vistnes, Gunnar; Frengstad, Bjørn; Ramstad, Randi kalskin; Brattli, Bjørge. (2011) Thermal response test with and without artificial convection. 2nd European Geothermal PhD Day
2010
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KonferanseposterLiebel, Heiko; Kilian, Huber; Ramstad, Randi kalskin; Frengstad, Bjørn; Brattli, Bjørge. (2010) Rock core samples cannot replace thermal response tests – a statistical comparison based on thermal conductivity data from the Oslo region (Norway). Renewable Energy Conference 2010
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KonferanseforedragLiebel, Heiko Tobias; Huber, Kilian; Ramstad, Randi kalskin; Brattli, Bjørge; Frengstad, Bjørn. (2010) Can rock core thermal conductivity data replace thermal response tests?. Water and Energy 2010
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KonferanseposterLiebel, Heiko Tobias; Frengstad, Bjørn; Ramstad, Randi kalskin; Brattli, Bjørge. (2010) Groundwater or rock type - what dominates the thermal conductivity in the ground?. First European Geothermal PhD Day (EGPD) 2010
2009
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KonferanseposterLiebel, Heiko; Ramstad, Randi Kalskin; Frengstad, Bjørn; Brattli, Bjørge. (2009) Groundwater or rock type - what dominates the thermal conductivity in the ground?. Effstock 2009 Thermal Energy Storage for Efficiency and Sustainability
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KonferanseposterLiebel, Heiko; Frengstad, Bjørn; Ramstad, Randi; Brattli, Bjørge. (2009) Grunnvann eller berggrunn - hva dominerer varmeledningsevnen i grunnen?. Det 18. nasjonale seminar om hydrogeologi og miljøgeokjemi
2005
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KonferanseforedragRamstad, Randi; Hilmo, Bernt; Brattli, Bjørge. (2005) Grunnvarme fra fast fjell - god lønnsomhet ved bruk av grunnvann. Det 14. seminar om hydrogeologi og miljøgeokjemi
2003
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KonferanseforedragRamstad, Randi Kalskin; Hilmo, Bernt Olav; Skarphagen, Helge; Hiorth, Espen; Brattli, Bjørge. (2003) Grunnvarme fra fast fjell - Noen resultater fra "Trykkeprosjektet". Det 12. seminar om hydrogeologi og miljøgeokjemi
2002
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KonferanseforedragRamstad, Randi Kalskin; Hilmo, Bernt Olav; Brattli, Bjørge. (2002) Ground-source energy from crystalline bedrock - Improved yield and energy extraction by using hydraulic fracturing in wells. The 25th Nordic Geological Winter Meeting
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KonferanseposterRamstad, Randi Kalskin; Hilmo, Bernt Olav; Skarphagen, Helge; Hiort, Espen; Brattli, Bjørge. (2002) Tørre brønner - en saga blott?. Det 11. seminar om hydrogeologi og miljøgeologi, NGU
2001
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KonferanseforedragRamstad, Randi Kalskin; Brattli, Bjørge; Hilmo, Bernt Olav; Hiorth, Espen. (2001) Grunnvarme fra fast fjell - økt energiuttak ved hydraulisk trykking av borebrønner. Fjellspregningskonferansen 22.nov., Bergmekanikkdagen 23.nov., Geotenikkdagen 23.nov. 2001.
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KonferanseposterRamstad, Randi Kalskin; Hilmo, Bernt Olav; Brattli, Bjørge. (2001) Grunnvarme fra fast fjell - økt energiuttak ved hydraulisk trykking av borebrønner. "Det 10. seminar om hydrogeologi og miljøgeologi"
2000
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KonferanseforedragRamstad, Randi Kalskin; Midttømme, Kjersti; Hilmo, Bernt O.. (2000) Mapping the potential of ground-source heat in superficial deposits. 24. Nordic Geological Winter Meeting
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KonferanseforedragMidttømme, Kirsti; Hilmo, Bernt Olav; Skarphagen, Olav; Ramstad, Randi Kalskin. (2000) Investigations of the geothermal energy potential in selected areas of Norway. 24th Nordic Geological Winter Meeting
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KonferanseposterMidttømme, Kirsti; Hilmo, Bernt Olav; Skarphagen, Olav; Ramstad, Randi Kalskin. (2000) Mapping of geothermal energy in bedrock. 24th Nordic Geological Winter Meeting