Knowledge Center

2011

 

Living in volcanic shadow

An article by D. Hjalmarsdottir published in Crisis Response Journal, volume 7 issue 3.

 

Calculation of minimum water flow through a hydropower tunnel required to prevent freezing in permafrost rock near Ilulissat, Greenland, using a transient, three-dimensional heat transfer model

A paper by O. P. Einarsson, Æ. Jóhannesson and K. M. Sigurjónsson presented at the International hydro power conference in Prague, Czech Republic, October 2011.

 

Converting wall roughness to hydraulic roughness in fully turbulent pipe flow: Small-scale experiments and large-scale measurements at the Kárahnjúkar HEP, Iceland.

A paper by K. M. Hákonardóttir, P.R. Pálmason, A. Kasprzyk og K. Filipek, published in The International Journal on Hydropower & Damsional, HYDRO Prague, Czech Republic, 2011.

 

Acoustics in an open-plan elementary school

An Article by H.K. Juliusson published in Forum Acusticum 2011

 

2010

 

Asymmetric sudden enlargement energy dissipater in Jökulsá Tunnel of the Kárahnjúkar HEP in Iceland

A paper by Th. S. Leifsson and A. Bauman presented at the International hydro power conference in Lisbon, Portugal, September 2010.

 

Geothermal District Heating System in XianYang, Shaanxi, China

An article by Th Erlingsson, Th Johannesson, E Olafsson and G Axelsson for World Geothermal Congress 2010 Bali, Indonesia, 25-29 April 2010.

 

A new Icelandic classification standard for acoustic quality.

Lecture by S. Gudmundsson given at BNAM - Joint Baltic-Nordic Acoustics Meeting 2010, in Bergen, Norway.

 

2009

 

Geothermal Energy as Replacement for Oil and Gas – A Proven Option among the Renewables

A lecture on Geothermal energy by O. B. Björnsson, Ph.D given at the 5th International Oil and Gas Conference. Sibenik, Croatia, September 29th-October 1, 2009.

 

Heat pump enhanced district heating in low-temperature geothermal areas

A lecture held by O. B. Björnsson, Ph.D on the International Geothermal Days, Slovakia 26th to 29th May 2009. Častá Papiernička Slovakia.

 

Flood design criteria for Kárahnjúkar dam – a glacially dominated watershed

A paper by G.G. Tomasson, S.M. Gardarsson, Th.S. Leifsson and B. Stefansson presented at the 33rd IAHR congress in Vancouver, Canada, August 2009.

 

The hydraulic roughness of unlined and shotcreted TBM-bored tunnels in volcanic rock: In-situ observations and measurements at Kárahnjúkar Iceland.

An article by K. M. Hákonardóttir, G. G. Tomasson, J Kaelin and B Stefansson, published in Tunnelling and Underground Space Technology 24, pages 706-715, Volume 2, No. 6. November 2009.

 

Reliable power delivery from a powerstation dedicated to a single user. The Kárahnjúkar Powerstation in Iceland.

A paper by H Th Helgason, A. Benediktsson, K M Sigurjonsson and S I Olafsson presented at the International hydro power conference in Lyon, France, October 2009.

 

Filling and Pressurizing of the Headrace Tunnel for the Kárahnjúkar HEP in Iceland

A paper by J. J. Kaelin, S I Olafsson and Th. S. Leifsson presented at the International hydro power conference in Lyon, France, October 2009.

 

2008

 

Hljómahöllin – A Renovated Hall and a new Music School

Lecture by H.K. Juliusson, S. Gudmundsson and S. Einarsson given at BNAM - Joint Baltic-Nordic Acoustics Meeting 2008, in Reykjavik, Iceland.

 

Auditorium Acoustics a Case Study

Lecture by H.K. Juliusson given at BNAM - Joint Baltic-Nordic Acoustics Meeting 2008, in Reykjavik, Iceland.

 

Acoustic design of the culture house Hof in Akureyri

Lecture by S. Gudmundsson and S. Einarsson given at BNAM - Joint Baltic-Nordic Acoustics Meeting 2008, in Reykjavik, Iceland.

 

The Iceland sound classification standard for dwellings - Experience and development

Lecture by S. Gudmundsson given at BNAM - Joint Baltic-Nordic Acoustics Meeting 2008, in Reykjavik, Iceland.

 

Avalanche protections in Iceland designed by VST consulting engineers ltd.: Experience and examples.

An article H. D. Indriðason, F. Sigurdsson, G. G. Tomasson and K. M Hakonardottir published in the proceedings of the International Symposium on Mitigative Measures against Snow Avalanches. Egilsstaðir, Iceland, 2008.

 

Snow drift measures as protection against snow avalanches in Iceland.

An article by K. M Hakonardottir, S. Margreth, G. G. Tomasson, H. D. Indridason and S. Thordarson published in the proceedings of the International Symposium on Mitigative Measures against Snow Avalanches. Egilsstaðir, Iceland, 2008.

 

The design of avalanche protection dams based on new design criteria: Three different case studies.

An article by K. M Hakonardottir, G. G. Tomasson, H. D. Indridason and F. Sigurdsson published in the proceedings of the International Symposium on Mitigative Measures against Snow Avalanches. Egilsstaðir, Iceland, 2008.

 

2006

 

Geothermal energy price issues: Selling and pricing - Various ways to sell heat, comparison between methods.

An article by Th Erlingsson, Th Johannesson, C Chatenay and Th S. Olafsson for Xianyang Geothermal Conference 2006

 

The importance of house heating systems applicable for geothermal heat: Guidelines for construction and regulation

An article by Th Erlingsson, Th Johannesson, C Chatenay and Th S. Olafsson for Xianyang Geothermal Conference 2006

 

Xianyang geothermal heating projects - Sino-Icelandic cooperation projects

An article by Th Erlingsson, Th Johannesson, C Chatenay and Th S. Olafsson for Xianyang Geothermal Conference 2006

 

Geothermal energy - a sustainable and renewable energy source

An article by Th Erlingsson, Th Johannesson, C Chatenay and Th S. Olafsson for Xianyang Geothermal Conference 2006

 

2005

 

Low-temperature geothermal energy - Origin and use in Iceland

A lecture given by O. B. Bjornsson on LSH congress, Reykjavík, 2005.
 

2004

 

Snow avalanche training dike at Flateyri, Iceland

An article by P. R. Palmason, F. G. Sigtryggsdottir, F Sigurdsson og G. G. Tomasson. Published in the proceedings of fifth International Conference on Case Histories in Geothechnical Engineering, New York, April 2004.
 

2003

 

Meeting the annual heat demand

An article by Th Johannesson and Th S. Olafsson for The International Geothermal Conference - Reykjavík 2003
 

Estimating short-term capacities of geothermal wells

An article by Th Johannesson and Th S. Olafsson for The International Geothermal Conference - Reykjavík 2003

 

Multiple integrated applications for low to medium temperature geothermal resources

O.B. Bjornsson co-author of a article published in Geothermics 32 (2003).

 

2002

 

Comprehensive Use of Geothermal Energy for Large Sports Complexes

An article by Th Erlingsson VST, Th Jóhannesson Fjarhitun, C Chatenay Fjarhitun, E. T. Elíasson Enex published in Proceedings of 2002 Beijing International Geothermal Symposium, October 2002

 

1990-2000

 

Geothermal District Heating

O.B. Bjornsson gave a lecture at the District Heating Symposium in Ljubliana Slovenia 1999
 

Space and District Heating

O.B. Bjornsson Contributor to the book “Geothermal Energy”, Unesco Energy Engineering Series, published by Wiley 1995, in the field of Space and District Heating.  Revision for 2nd edition in 1998/9 (UNITAR/UNDP)
 

Perlan - Compromise between Daylight, Visibility and Thermal Comfort

O.B. Bjornsson gave a lecture on the design of Perlan on International Cold Climate conference in Reykjavik 1997
 

Design and full-scale tests of anti-waterhammer air vessels in a large transmission pipeline system

A lecture by O.B. Bjornsson and Th Johannesson, held in Edinburgh 1993.
 



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