Current Research Information SysTem In Norway
 
 

 English version


 
Hovedside
Forskningsresultater/NVI
Forskere
Prosjekter
Forskningsenheter
Logg inn
Om Cristin
 
 
   
Eksporter til


Viser treff 1-50 av 74 << Forrige 1 2    Neste >>

2022
1 Stenvik, Lars Aaberg; Gjengedal, Sondre; Ramstad, Randi Kalskin; Frengstad, Bjørn.
Hydrochemical and biotic control on iron incrustations in groundwater heat pump systems: Case study from a saline, anoxic aquifer in Melhus, Norway. Geothermics 2022 ;Volum 100.
NTNU NGI Untitled
 
2021
2 Gjengedal, Sondre; Stenvik, Lars Aaberg; Ramstad, Randi Kalskin; Ulfsnes, Jan Ivar; Hilmo, Bernt Olav; Frengstad, Bjørn S..
Online remote-controlled and cost-effective fouling and clogging surveillance of a groundwater heat pump system. Bulletin of Engineering Geology and the Environment 2021 ;Volum 80. s. 1063-1072
NTNU Untitled
 
3 Larsen, H.B..
Physically Based Modelling of Shallow Landslides with “TRIGRS”. A Review of Applications and an Implementation in the Case Study of Jølster 2019. : NTNU 2021
NGI NTNU Untitled
 
4 Pajak, Leszek; Sowiżdżał, Anna; Gładysz, Paweł; Tomaszewska, Barbara; Miecznik, Maciej; Andresen, Trond; Frengstad, Bjørn S.; Chmielowska, Anna.
Multi-criteria studies and assessment supporting the selection of locations and technologies used in co2-egs systems. Energies 2021 ;Volum 14.(22) s. -
ENERGISINT NTNU Untitled
 
5 Sowizdzal, Anna; Gladysz, Pawel; Andresen, Trond; Miecznik, Maciej; Frengstad, Bjørn S.; Liszka, Marcin; Chmielowska, Anna; Gawron, Marcel; Løvseth, Sigurd Weidemann; Pajak, Leszek; Stenvik, Lars Aaberg; Tomaszewska, Barbara.
CO2-enhanced geothermal systems for climate neutral energy supply. I: TCCS–11. CO2 Capture, Transport and Storage. Trondheim 22nd–23rd June 2021. Short Papers from the 11th International Trondheim CCS Conference. SINTEF akademisk forlag 2021 ISBN 978-82-536-1714-5. s. 277-283
ENERGISINT NTNU Untitled
 
6 Stenvik, Lars Aaberg; Frengstad, Bjørn S.; Gjengedal, Sondre; Ramstad, Randi Kalskin.
Diagnosing Encrustation Problems in Open-loop Groundwater Heat Pump Systems in Melhus, Norway. World Geothermal Congress 2020+1 Reykjavik; 2021-03-01 - 2021-10-27
NTNU Untitled
 
2020
7 Gjengedal, Sondre; Brøtan, Vegard; Buset, Ole Tore; Larsen, Erik; Åsebø Berg, Olav; Torsæter, Ole; Ramstad, Randi Kalskin; Hilmo, Bernt Olav; Frengstad, Bjørn.
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 2020 ;Volum 134. s. 1-40
NTNU SRAUFOSS Untitled
 
8 Gjengedal, Sondre; Ramstad, Randi Kalskin; Hilmo, Bernt Olav; Frengstad, Bjørn S..
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 2020 ;Volum 79. s. 69-82
NTNU Untitled
 
2019
9 Gjengedal, Sondre; Stenvik, Lars Aaberg; Storli, Pål-Tore Selbo; Ramstad, Randi Kalskin; Hilmo, Bernt Olav; Frengstad, Bjørn S..
Design of Groundwater Heat Pump Systems. Principles, Tools, and Strategies for Controlling Gas and Precipitation Problems. Energies 2019 ;Volum 12.(19) s. -
NTNU Untitled
 
10 Skarphagen, Helge; Banks, David; Frengstad, Bjørn S.; Gether, Harald.
Design considerations for borehole thermal energy storage (BTES): A review with emphasis on convective heat transfer. Geofluids 2019 ;Volum 2019:4961781. s. 1-26
NTNU Untitled
 
11 Stenvik, Lars Aaberg; Gjengedal, Sondre; Frengstad, Bjørn S.; Ramstad, Randi Kalskin.
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; 2019-09-22 - 2019-09-27
NTNU Untitled
 
12 Stenvik, Lars Aaberg; Gjengedal, Sondre; Frengstad, Bjørn S.; Ramstad, Randi Kalskin.
Groundwater source heat pumps systems: Principles and challenges. Clean Energy Symposium; 2019-02-08 - 2019-02-08
NTNU Untitled
 
13 Stenvik, Lars Aaberg; Gjengedal, Sondre; Frengstad, Bjørn S.; Ramstad, Randi Kalskin.
ORMEL 2: Iron and manganese encrustations in open-loop ground source heat pump systems. Vinterkonferansen 2019; 2019-01-07 - 2019-01-09
NTNU Untitled
 
2018
14 ; Hauge, Emilie Olsen.
The Influence of Water Content and Mineralogy on the Shear Strength of two Petrographically Contrasting Norwegian Tills. Trondheim: Norwegian University of Science and Technology 2018 153 s.
NTNU Untitled
 
15 Frengstad, Bjørn S.; Kalskin Ramstad, Randi.
«Evighetsmaskinen» som trenger oppfølging og kompetanse. Lærdommer fra ORMEL-prosjektet.. Fagseminar om grunngrunnvarme og grunnvann; 2018-04-24 - 2018-04-24
NTNU Untitled
 
16 Gjengedal, Sondre; Ramstad, Randi Kalskin; Hilmo, Bernt Olav; Frengstad, Bjørn S..
Video inspection of wells in open loop ground source heat pump systems in Norway. IGSHPA Reasearch Conference 2018; 2018-09-18 - 2018-09-19
NTNU Untitled
 
2017
17 Bottrell, Simon; Hipkins, Emma V.; Lane, James M.; Zegos, Rose A.; Banks, David; Frengstad, Bjørn.
Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity?. Sustainable Water Resources Management 2017 s. -
NTNU Untitled
 
18 Dutova, Ekaterina M.; Nikitenkov, Aleksei N.; Pokrovskiy, Vitaly D.; Banks, David; Frengstad, Bjørn; Parnachev, Valerii P..
Modelling of the dissolution and reprecipitation of uranium under oxidising conditions in the zone of shallow groundwater circulation. Journal of Environmental Radioactivity 2017 ;Volum 178-179. s. 63-76
NTNU Untitled
 
2015
19 Flem, Belinda; Reimann, Clemens; Birke, Mannfred; Banks, David; Filzmoser, Peter; Frengstad, Bjørn S..
Inorganic chemical quality of European tap-water: 2. Geographical distribution.. Applied Geochemistry 2015 (59) s. 211-224
NTNU Untitled
 
2014
20 Frengstad, Bjørn S.; Banks, David.
Uranium distribution in groundwater from fractured crystalline aquifers in Norway. I: Fractured Rock Hydrogeology. CRC Press 2014 ISBN 9781138001596. s. 257-275
NTNU Untitled
 
2012
21 Liebel, Heiko; de Beer, Johannes; Frengstad, Bjørn; Kalskin Ramstad, Randi; Brattli, Bjørge.
Effect of water yield and rock thermal conductivities on TRT results. Comunicações Geológicas 2012 ;Volum 99.(1) s. 43-47
NGU NTNU Untitled
 
22 Liebel, Heiko Tobias; Huber, Kilian; Frengstad, Bjørn Syvert; Ramstad, Randi kalskin; Brattli, Bjørge.
Thermal response testing of a fractured hard rock aquifer with and without induced groundwater flow. Bulletin of Engineering Geology and the Environment 2012 ;Volum 71.(3) s. 435-445
NGU NTNU Untitled
 
23 Liebel, Heiko Tobias; Stølen, Marie Sigmundsdatter; Frengstad, Bjørn Syvert; Ramstad, Randi kalskin; Brattli, Bjørge.
Insights into the reliability of different thermal conductivity measurement techniques: a thermo-geological study in Mære (Norway). Bulletin of Engineering Geology and the Environment 2012 ;Volum 71.(2) s. 235-243
NGU NTNU Untitled
 
2011
24 Liebel, Heiko Tobias; Vistnes, Gunnar; Frengstad, Bjørn; Ramstad, Randi kalskin; Brattli, Bjørge.
Thermal response test with and without artificial convection. 2nd European Geothermal PhD Day; 2011-03-02 - 2011-03-04
NTNU Untitled
 
25 Liebel, Heiko; Frengstad, Bjørn; Ramstad, Randi Kalskin; Brattli, Bjørge.
Termisk responstesting kontra varmeledningsevne målt i lab. "Det 20. nasjonale seminar om hydrogeologi og miljøgeologi, NGU.; 2011-02-14 - 2011-02-15
NGU NTNU Untitled
 
26 Liebel, Heiko Tobias; Huber, Kilian; Frengstad, Bjørn Syvert; Ramstad, Randi kalskin; Brattli, Bjørge.
Temperature footprint of a thermal response test can help to reveal thermogeological information. Bulletin. Norges geologiske undersøkelse (NGU-Bulletin) 2011 ;Volum 451. s. 20-31
NGU NTNU Untitled
 
2010
27 Frengstad, Bjørn S.; Lax, Kaj; Tarvainen, Timo; Jæger, Øystein; Wigum, Børge Johannes.
The chemistry of bottled mineral and spring waters from Norway, Sweden, Finland and Iceland.. Journal of Geochemical Exploration 2010 (107) s. 350-361
NTNU Untitled
 
28 Liebel, Heiko; Huber, K.; Frengstad, Bjørn Syvert; Ramstad, Randi kalskin; Brattli, Bjørge.
Rock core samples cannot replace thermal response tests : a statistical comparison based on thermal conductivity data from the Oslo Region (Norway). I: Renewable Energy Research Conference 2010 - Zero Emission Buildings. Tapir Akademisk Forlag 2010 ISBN 978-82-519-2623-2. s. 145-154
NGU NTNU Untitled
 
29 Liebel, Heiko; Kilian, Huber; Ramstad, Randi kalskin; Frengstad, Bjørn; Brattli, Bjørge.
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; 2010-06-07 - 2010-06-08
NTNU Untitled
 
30 Liebel, Heiko Tobias; Frengstad, Bjørn; Ramstad, Randi kalskin; Brattli, Bjørge.
Groundwater or rock type - what dominates the thermal conductivity in the ground?. First European Geothermal PhD Day (EGPD) 2010; 2010-02-12 - 2010-02-12
NTNU Untitled
 
31 Liebel, Heiko Tobias; Huber, Kilian; Ramstad, Randi kalskin; Brattli, Bjørge; Frengstad, Bjørn.
Can rock core thermal conductivity data replace thermal response tests?. Water and Energy 2010; 2010-11-10 - 2010-11-12
NTNU Untitled
 
2009
32 Liebel, Heiko; Frengstad, Bjørn; Ramstad, Randi; Brattli, Bjørge.
Grunnvann eller berggrunn - hva dominerer varmeledningsevnen i grunnen?. Det 18. nasjonale seminar om hydrogeologi og miljøgeokjemi; 2009-02-03 - 2009-02-04
NGU NTNU Untitled
 
33 Karnachuk, Olga V.; Gerasimchuk, A.L.; Banks, David; Frengstad, Bjørn S.; Stykon, G.A.; Tikhonova, Z.L.; Kaksonen, A.; Puhakka, J.; Yanenko, A.S.; Pimenov, N.V..
Bacteria of the sulfur cycle in the sediments of gold mine tailings, Kuznetsk Basin, Russia. Microbiology 2009 ;Volum 78.(4) s. 483-491
NTNU Untitled
 
34 Liebel, Heiko; Brattli, Bjørge; Huber, Kilian; Frengstad, Bjørn; Ramstad, Randi Kalskin.
Thermogeology in the Oslo region and Kristiansand - Results from thermal response tests (TRT) with and without artificially induced groundwater flow. Trondheim: Norges geologiske undersøkelse (NGU) 2009 57 s.
NTNU Untitled
 
35 Liebel, Heiko; Ramstad, Randi Kalskin; Frengstad, Bjørn; Brattli, Bjørge.
Groundwater or rock type - what dominates the thermal conductivity in the ground?. Effstock 2009 Thermal Energy Storage for Efficiency and Sustainability; 2009-06-14 - 2009-06-17
NTNU Untitled
 
2008
36 Liebel, Heiko; Frengstad, Bjørn; Ramstad, Randi; Brattli, Bj�rge.
Low enthalpy geothermal energy in fractured rock aquifers. 33rd International Geological Congress, Abstracts 2008 Suppl. Abstract CD
NGU NTNU Untitled
 
37 Frengstad, Bjørn S.; Banks, David.
The Natural Inorganic Chemical Quality of Crystalline Bedrock Groundwaters of Norway. I: Natural Groundwater Quality. Blackwell Publishing 2008 ISBN 978-1-4051-5675-2. s. 421-440
NTNU Untitled
 
2007
38 Frengstad, Bjørn S.; Banks, David.
Universal controls on the evolution of groundwater chemistry in crystalline bedrock: the evidence from empirical and theoretical studies. I: Groundwater in fractured rocks. Selected papers from Groundwater in Fractured Rocks International Conference, Prague. IAH selected papers Vol. 9. Balkema 2007 ISBN 9780415414425. s. 275-289
NTNU Untitled
 
39 Reimann, Clemens; Grimstvedt, Andreas Magnar; Frengstad, Bjørn S.; Finne, Tor Erik.
White HDPE bottles as source of serious contamination of water samples with Ba and Zn. Science of the Total Environment 2007 ;Volum 374.(2-3) s. 292-296
NGU NTNU SINTEF Untitled
 
2006
40 Banks, David; Frengstad, Bjørn S..
Evolution of groundwater chemical composition by plagioclase hydrolysis in Norwegian anorthosites. Geochimica et Cosmochimica Acta 2006 ;Volum 70.(6) s. 1337-1355
NTNU Untitled
 
2003
41 Reimann, Clemens; Bjorvatn, Kjell; Frengstad, Bjørn; Melaku, Zenebe; Tekle-Haimanot, Redda; Siewers, Ulrich.
Drinking water quality in the Ethiopian section of the East African Rift Valley; I: data and health aspects. Det 12. seminar om hydrogeologi og miljøkjemi, NGU 4-5 februar 2003; 2003-01-01
UiB Untitled
 
42 Reimann, Clemens; Bjorvatn, Kjell; Frengstad, Bjørn; Melaku, Zenebe; Tekle-Haimanot, Redda; Siewers, Ulrich.
Drinking water quality in the Ethiopian section of the East African Rift Valley I-Date and health aspects. Science of the Total Environment 2003
UiB Untitled
 
2002
43 Banks, David; Parnachov, Valerij P.; Frengstad, Bjørn; Holden, Wayne; Vedernikov, Anatoly A.; Karnachuk, Olga V..
Alkaline mine drainage from metal sulphide and coal mines: examples from Svalbard and Siberia. Geological Society Special Publication 2002 (198) s. 287-296
NTNU Untitled
 
44 Frengstad, Bjørn.
Groundwater quality of crystalline bedrock aquifers in Norway. Trondheim: Department of Geology and Mineral Resources Engineering, NTNU 2002 (ISBN 82-471-5449-8) 389 s.
NTNU Untitled
 
45 Frengstad, Bjørn; Banks, David; Midtgård Skrede, Aase; Krogh, Jan Reidar; Siewers, Ulrich; Strand, Terje.
The hydrochemistry of crystaline bedrock groundwater in Norway. NGU-Bulletin 2002 ;Volum 439. s. 87-98
UiO Untitled
 
46 Frengstad, Bjørn; Banks, David; Skrede, Aase K.M.; Krog, Jan Reidar; Siewers, Ulrich; Strand, Terje.
The hydrochemistry of crystalline bedrock groundwater in Norway. The second workshop of the Fennoscandian working group on hardrock hydrogeology, NVE, Oslo 14-16. august 2001.; 2001-08-16
NTNU Untitled
 
47 Shand, Paul; Frengstad, Bjørn.
Baseline groundwater quality. A comparison of Selected British and Norwegian Aquifers. Wallingford, England: British Geological Survey 2002 Groundwater Systems and Water Quality Programme Internal Report(IR/01/177)
NTNU Untitled
 
48 Banks, David; Karnachuk, Olga V.; Parnachov, Valerij P.; Holden, Wayne; Frengstad, Bjørn Syvert.
Rural pit latrines as a source of groundwater contamination; examples from Siberia and Kosova. Water and Environment Journal 2002 ;Volum 16.(2) s. 147-152
NTNU Untitled
 
2001
49 Frengstad, Bjørn; Banks, David; Siewers, Ulrich.
The chemistry of Norwegian groundwaters: IV. The pH-dependence of element concentrations in crystalline bedrock groundwaters. The Science of the Total Envinronment 2001 (277) s. 101-117
NTNU Untitled
 
50 Frengstad, Bjørn; Shand, Paul.
Naturlig grunnvannskvalitet i utvalgte norske og britiske akviferer. Et eksempel på bruk av "Baseline"-konseptet. Det 10. seminar om hydrogeologi og miljøgeokjemi; 2001-02-09
NTNU Untitled
 
    Vis neste liste