Publications

The project results are presented as Licentiate and Doctoral Theses, conference articles, journal articles, Master Thesis reports, Interviews, Presentations, internal reports, etc.

Doctoral Theses

  • Monzó P. KTH Royal Institute of Technology. Skolan för industriell teknik och management, Energiteknik, Tillämpad termodynamik och kylteknik. Stockholm, 2018.

Modelling and Monitoring Thermal Response of the Ground in Borehole fields

  • Lazzarotto A. KTH Royal Institute of Technology. Skolan för arkitektur och samhällsbyggnad, Byggvetenskap, Byggnadsteknik. Stockholm, 2015.

Developments in Ground Heat Storage Modeling

  • Acuña J. KTH Royal Institute of Technology. Skolan för industriell teknik och management, Energiteknik, Tillämpad termodynamik och kylteknik. Stockholm, 2013

DTRTs: New insights on U-pipe and Coaxial heat exchangers in groundwater-filled boreholes

Public defense: 

Part 1

Part 2

Licentiate Theses

  • Acuña J. KTH Royal Institute of Technology, Stockholm, 2010

Improvements of U-pipe Borehole Heat Exchangers

Journal articles

  • Holmberg H, Acuña J, Erling Næss, Otto K. Sønju. Thermal evaluation of coaxial deep borehole heat exchangers. Renewable Energy. Volume 97, November 2016, Pages 65–76.
  • Ruiz-Calvo F, De Rosa M, Monzó P, Montagud C, Corberán JM. Coupling short-term (B2G model) and long-term (g-function) models for ground source heat exchanger simulation in TRNSYS. Application in a real installation. Applied Thermal Engineering 102 (2016) 720-732 
  • Monzó P, Bernier M, Acuña J, Mogensen P. A monthly based bore field sizing methodology with applications to optimum borehole spacing

  ASHRAE Transaction 122 Part 1(2016) 111-126 ASHRAE's webpage

  • Monzó P, Mogensen P, Acuña J, Ruiz-Calvo F, Montagud C.A novel numerical approach for imposing a temperature boundary condition at the borehole wall in borehole fields. Geothermics 56 (2015) 35-44.

  • Ruiz-Calvo F, De Rosa M, Acuña J, Corberán J.M, Montagud C.Experimental validation of a short-term Borehole-to-Ground (B2G) dynamic model. Applied Energy 140 (2015) 210-223.

  • Holmberg H, Acuña J, Erling Næss, Otto K. Sønju.Numerical model for non-grouted borehole heat exchangers, Part 2 - Evaluation. Geothermics 59(2016) Part A Pages 134-144.
  • Beier R. Acuña J. Mogensen P, Palm B.Transient heat transfer in a coaxial borehole heat exchanger. Geothermics 51(2014) 470–482
  • Acuña J, Palm B.Distributed thermal response tests on pipe-in-pipe borehole heat exchangers. Applied Energy 109(2013) 312-320.
  • Beier R, Acuña J, Mogensen P, Palm B. Borehole resistance and temperature profiles in coaxial borehole heat exchangers. Applied Energy 102(2013) 665-675.
  • Beier R. Acuña J. Mogensen P, Palm B.Vertical temperature profiles and borehole resistance in a U-tube borehole heat exchanger, Geothermics 44(2012), 23-32.
  • Acuña J, Mogensen P, Palm B.Distributed Thermal Response Tests on a Multi-pipe Coaxial Borehole Heat Exchanger. HVAC&R 17:6(2011), 1012-1029.

Conference articles

  • Rolando et al. IGSHPA Technical/Research Conference and Exp. Denver 2017

Heat Extraction Distributed Thermal Response Test: a methodological approach and in-situ experiment. dx.doi.org/10.22488/okstate.17.000536

  • Monzó et al. IGSHPA Technical/Research Conference and Exp. Denver 2017

First Measurements of a Monitoring project on a BTES system

  • Lazzarotto et al. European Geothermal Congress. Strasbourg 2016

Analysis and modelling  of a large borehole system in  Sweden

  • Puttige et al. European Geothermal Congress. Strassbourg 2016.

Improvements on a Numerical Model of Borehole Heat Exchangers

  • Monzó et al. 12th REHVA World Congress CLIMA. Aalborg 2016.

Monitoring of a borehole thermal energy storage in Sweden

  • Derouet et al. World Geothermal Congress. Melbourne 2015.

Monitoring and Forecasting the Thermal Response of an Existing Borehole Field

  • Holmberg et al. World Geothermal Congress. Melbourne 2015.

Deep Borehole Heat Exchangers, Application to Ground Source Heat Pump Systems. (pdf 930 kB)

  • Ignatowicz et al. World Geothermal Congress. Melbourne 2015. 

Investigation of Ethanol Based Secondary Fluids with Denaturing Agents and Other Additives Used for (pdf 1,1 MB)

  • Rolando et al. World Geothermal Congress. Melbourne 2015. 

A Web Application for Geothermal Borefield Design (pdf 499 kB)

  • Monzó et al. ASHRAE Annual Conference. Seattle 2014. 

Experimental Validation of a Numerical Model for the Thermal Response of a Borehole Field

Available at ASHRAE Papers CD: 2014 ASHARE Annual Conference SE-14-C048 ASHRAE's website

  • Pentilä et al. The 11th International Energy Agency Heat Pump Conference. Montreal 2014.

Temperature stratification of circular borehole thermal energy storages

  • Monzó et al. The 11th International Energy Agency Heat Pump Conference. Montreal 2014.

A novel numerical model for the thermal response of borehole heat exchangers fields

  • Monzó et al. International Conference on Applied Energy. ICAE2013-524. Pretoria 2013.

A study of the thermal response of a borehole field in winter and summer

  • Monzó et al. European Geothermal Congress, Pisa 2013. 

Numerical generation of the temperature response factors for a borehole heat exchanger field

  • Acuña et al. COMSOL Multiphysics Conference, Milano 2012.

Numerically generated g-functions for ground coupled heat pump applications

  • Johansson et al. COMSOL Multiphysics Conference, Milano 2012.

Use of Comsol as a Tool in the Design of an Inclined Multiple Borehole Heat Exchanger (pdf 625 kB)

  • Acuña et al. Innostock - The 12th International Conference on Energy Storage, Lleida, 2012.

Distributed Thermal Response Tests on Pipe-in-pipe Borehole Heat Exchanger. (pdf 568 kB)

  • Monzó et al. Innostock - The 12th International Conference on Energy Storage, Lleida, 2012.

Analysis of the influence of the heat power rate variations in different phases of a DTRT

  • Acuña et al. The 10th IEA Heat Pump Conference, Tokyo, 2011.

Distributed Temperature Measurements on a Multi-pipe Coaxial Borehole Heat Exchanger

  • Acuña et al. IIR Conference on Sources/Sinks alternative to the outside Air for HPs and AC techniques, Padua, 2011.

First Experiences with Coaxial Borehole Heat Exchangers

  • Acuña et al. Evaluation of a coaxial borehole heat exchanger prototype. ASME International Heat Transfer Conference, Washington, 2010.
  • Acuña et al. The ground source heat pump: A system analysis with a particular focus on the U-pipe borehole heat exchanger. ASME International Heat Transfer Conference, Washington, 2010.
  • Acuña et al. Sustainable Refrigeration and Heat Pump Technology Conference, Stockholm, 2010

Comprehensive Summary of Borehole Heat Exchanger Research at KTH

  • Acuña et al. IGA World Geothermal Congress, Bali, 2010.

A novel coaxial BHE: Description and first Distributed Thermal Response Test Measurements

  • Acuña et al. The 9th Gustav Lorentzen Conference, Sydney, 2010.

Distributed Temperature Measurements on a U-pipe Thermosyphon Borehole Heat Exchanger with CO2

  • Acuña et al. COMSOL Multiphysics Conference, Milano 2009.

Local Conduction Heat Transfer in U-pipe Borehole Heat Exchangers (pdf 449 kB)

  • Acuña et al. Effstock - The 11th International Conference on Energy Storage, Stockholm, 2009

Distributed Thermal Response Test on a U-Pipe Borehole Heat Exchanger

  • Acuña et al. The 8th IIR Gustav Lorentzen Conference, Copenhagen, 2008

Experimental Comparison of Four Borehole Heat Exchangers

  • Acuña et al. The 9th IEA Heat Pump Conference, Zurich, 2008. s4-p19.

Characterization of Boreholes: Results from a U-pipe Borehole Heat Exchanger Installation

Poster Presentations

  • Puttige et al. European Geothermal Congress. Strasbourg 2016.

Improvements on a Numerical Model of Borehole Heat Exchangers. (pdf 627 kB)

  • Monzó et al. The 11th International Energy Agency Heat Pump Conference. Montreal 2014.

A novel numerical model for the thermal response of borehole heat exchanger fields (pdf 508 kB)

  • Pentilä et al. The 11th International Energy Agency Heat Pump Conference. Montreal 2014.

Temperature stratification of circular borehole thermal energy storages (pdf 520 kB)

  • Monzó et al. European Geothermal Congress, Pisa 2013. 

Poster- Numerical generation of the temperature response factors for a borehole heat exchanger field (pdf 1,9 MB)

  • Ericsson M. Flödesöptimering av bergvärmepumpar. Experimentell studie av köldbärareflödets inverkan på systemets värmefaktor. Kandidatexamen. Energi&Miljö program. KTH.

Flödesoptimering av bergvärmepumpar. Experimentellt studie av köldbärarflödets inverkan på COP (pdf 2,6 MB)

  • Monzó et al. Innostock- The 12th International Conference on Energy Storage, Lleida, 2012.

Poster - Analysis of the influence of the heat power rate variations in different phases of a DTRT (pdf 1,9 MB)

  • Monzó et al. The 3rd European Geothermal PhD Day, Pisa, 2012.

Poster- Analysis of the influence of the heat power rate variations in different phases of a DTRT. (pdf 686 kB)

  • Acuña et al. The 1st European Geothermal PhD Day, Postdam, 2010.

Poster - Borehole Heat Exchanger Research at KTH. (pdf 2,1 MB)

  • Acuña et al. The 9th IEA Heat Pump Conference, Zurich, 2008.

Poster - Characterization of Boreholes: Results from a U-pipe BHE installation. (pdf 551 kB)

Master Theses 

  1. Thoren Åsa. 2016. Practical evaluation of borehole heat exchanger models in TRNSYS.
  2. Samara Dalia. 2015. Thermal Performance Insight on a Ground Coupled Heat Pump.
  3. Biancucci Mauro. 2015. Modelling of a large borehole heat exchanger installation in Sweden.
  4. Kauppinen Robin. 2015. Analysis of building energy use and evaluation of long-term borehole storage temperature: Study of the new ferry terminal at Värtahamnen, Sweden.
  5. Derouet Marc. 2014. Analysis of borehole heat exchanger performance in an existing ground source heat pump installation. 
  6. Garnier Michel. 2014. Trimming of a ground source heat pump installation in Saltjöbaden. 
  7. Simondon Camille. 2014. Optimization of thermal response test equipment and evaluation tools.
  8. Marcucci Marine, 2014. Distributed Thermal Response Test on Grouted U-pipe Borehole Heat Exchanger.
  9. Penttilä Jens, 2013. Temperaturzoner för lagring av värmeenergi i cirkulärt borrhålsfält.
  10. Casellato Francesco, 2013. Heat exchange phenomena and COP evaluation in heat pump systems coupled to single borehole heat exchangers
  11. Pérez Jesús, 2013. Understanding numerically generated g-functions: A study case for a 6x6 borehole field.
  12. Righi Alexandro, 2013. Numerical models and simulations of geothermal heat exchangers.
  13. Mallet Cécile. 2013. Numerical analysis of a distributed thermal response test on a U-pipe borehole heat exchanger.
  14. Risorto Luigi, 2012. Modeling and validation of U-pipe thermosyphon borehole heat exchanger with CO2.
  15. Svyrydonova Iuliia, 2012. Energy system analysis for the hospital in Sweden.
  16. Johansson Eric, 2012. Optimization of ground source cooling combined with free cooling for protected sites.
  17. Calzada Eduard, 2012. Measurement of the thermal performance of a borehole heat exchanger while injecting air bubbles in the groundwater.
  18. Kamarad Anthony, 2012. Design and construction of a mobile equipment for thermal response test in borehole heat exchangers.
  19. Wajman Michal. 2011. Technical and economical analysis of GSHP systems with BHEs in Poland.
  20. Vernet Valentin, 2011. Short term behaviour of a U-pipe Borehole heat exchanger.
  21. Tam Ying, 2011. Integration of Water Supply and Waste Water in a Standing Column Well
  22. Guillaume Francois, 2011. Analysis of a novel coaxial borehole heat exchanger.
  23. Monzó Patricia. 2011. Comparison of different line source model approaches for analysis of TRT in a U-pipe BHE
  24. Pau Marcos. 2010. Experimental evaluation of heat extraction along U-pipe Borehole heat exchangers
  25. Acuña José, 2008. Characterization and temperature measurement techniques of energy wells for heat pumps
  26. Ten María, 2008. Thermal comparison of two borehole heat exchangers. 
  27. Kassabian Maral, 2007. Analysing the brine flow in boreholes.
  28. Brulles Alba, 2008. Secondary Loops with Natural Circulation for Increased Energy Effciency.
  29. Rudorf Julia, 2008. Thermosiphon Loops for Heat Extraction from the Ground.

Swedish Magazines

Värme och kyla från akviferlager, en inblick i framtiden. KYLA+ Värmepumpar 1, 2016.

Bättre beräkningar för bättre borrhål. KYLA+ Värmepumpar nr 7, 2015.

Separat borrhålskrets för köldbärarcirkulationen. KYLA + värmepumpar nr 5, 2013.

Mätningar i berg ger bättre förståelse för geoenergin. Energi&Miljö nr 8/2013.

Vatten som köldbärare i svenska bergvärmepumpar! Är det möjligt? KYLA+Värmepumpar nr 6 2012

Framtidens värmesystem med borrhålsvärmeväxlare. Energi&Miljö nr 2 februari 2011.

Effektivare Utnyttjande av Energibrunnar för Värmepumpar Undersöks på KTH. KYLA Värmepumpar No 6 2010.

Optimera med rätt kollektorval. Borrsvängen nr. 2/2010.

Slang intill bergväggen ger effektivare värmeväxling. HUSBYGGAREN, nr 6 2009.

Forskningsprojekt Ska Ge Effektivare Bergvärme, VVS Forum no 1, 2009

Bergvärmepumpar Kan Göras Ännu Mer Effektiva, Enegi&Miljö no 3, 2008

Other Publications

  • Borehole Thermal Energy Storage. GeoOutlook 2016 Volume 13, nr. 3
  • An update on Sweden’s ground source heat pumps. GeoOutlook Volume 13, nr 1.
  • Fiber optic based distributed temperature sensing (DTS) for large Geo Installations. GeoOutlook Volume 13, nr 1.
  • Better borehole heat exchangers for heat pumps. The REHVA European HVAC Journal (http://rehvajournal.com/). Vol. 47, issue 2, March 2010.
  • Efficient Use of Energy Wells for Heat Pumps. GeoConneXion Magazine, Fall 2009.
  • Citation from interview in newspaper Dagens nyheter DN on April 13th, 2008. Article “ bergvärme inte lika populärt längre”.
  • Interview in newspaper SVEP NYTT nr 3,2008. ”Hur bra kan ett borrhål bli?”
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