Publications

2011

C. Verhelst, F. Logist, J. Van Impe, and L. Helsen, "Study of the optimal control problem formulation for air-to-water heat pump systems", 2011. Submitted for publication in Energy and Buildings.

B. Verbruggen, J. Van Roy, R. De Coninck, R. Baetens, L. Helsen, and J. Driesen, "Object-Oriented Electrical Grid and Photovoltaic system modelling in Modelica", in Proceedings of the International Modelica Conference (Mar 20-22, 2011, Dresden, Germany), 2011. Available at https://www.modelica.org/events/modelica2011/Proceedings/pages/papers/25_poster_ID_200_a_fv.pdf.

2010

M. Sourbron and L. Helsen, "Evaluation of adaptive thermal comfort models in moderate climates and their impact on energy use in office buildings", Energy and Buildings, vol. 43, 2010, pp. 423-432.

R. Baetens, R. De Coninck, L. Helsen, and D. Saelens, "The impact of load profile on the grid-interaction of building integrated photovoltaic (BIPV) systems in low-energy dwellings", Journal of Green Building, vol. 5, no. 4, 2010, pp. 137-147.

R. Baetens, R. De Coninck, L. Helsen, and D. Saelens, "The impact of heat emission system on the grid-interaction of building integrated photovoltaics in low-energy dwellings", in Proceedings of the 8th International Conference on System Simulation in Buildings - SBB 2010 (Dec 13-15, 2010, Liège, Belgium), 2010. Available at http://www.ssb2010.ulg.ac.be/.  

R. De Coninck, R. Baetens, B. Verbruggen, D. Saelens, J. Driesen, and L. Helsen, "Modelling and simulation of a grid connected photovoltaic heat pump system with thermal energy storage using Modelica", in Proceedings of the 8th International Conference on System Simulation in Buildings - SSB 2010 (Dec 13-15, 2010, Liège, Belgium), 2010. Available at http://www.ssb2010.ulg.ac.be/.

C. Verhelst, D. Axehill, C. Jones, and L. Helsen, "Study of optimal control formulations for an air-to-water heat pump system", in Proceedings of the 8th International Conference on System Simulation in Buildings - SSB 2010 (Dec 13-15, 2010, Liège, Belgium), 2010. Available at http://www.ssb2010.ulg.ac.be/.

S. Bertagnolio, L. Helsen, D. Saelens, P. Andre, and V. Lemort, "A sensitivity study with a simplified equation-based building energy model in view of a calibration procedure", in Proceedings of the 8th International Conference on System Simulation in Buildings - SSB 2010 (Dec 13-15, 2010, Liège, Belgium), 2010. Available at http://www.ssb2010.ulg.ac.be/.

M. Sourbron and L. Helsen, "Thermally activated building systems in office buildings: impact of control strategy on energy performance and thermal comfort", in Proceedings of the 8th International Conference on System Simulation in Buildings - SSB 2010 (Dec 13-15, 2010, Liège, Belgium), 2010. Available at http://www.ssb2010.ulg.ac.be/.

D. Degrauwe, C. Verhelst, F. Logist, J. Van Impe, and L. Helsen, "Multi-objective optimal control of an air-to-water heat pump for residential heating", in Proceedings of the 8th International Conference on System Simulation in Buildings - SSB 2010 (Dec 13-15, 2010, Liège, Belgium), 2010. Available at http://www.ssb2010.ulg.ac.be/.   

R. Baetens, R. De Coninck, L. Helsen, and D. Saelens, "The impact of domestic load profiles on the grid-interaction of building integrated photovoltaic (BIPV) systems in extremely low-energy dwellings", in Proceedings of the Renewable Energy Research Conference (June 7-8, 2010, Trondheim, Norway), 2010. Available at http://www.sffe.no/conference/material.htm.

M. Sourbron and L. Helsen, "Identifying appropriate thermal comfort criteria for buildings equipped with thermally active building systems (TABS)", in Proceedings of the 10th REHVA WORLD CONGRESS “Sustainable Energy Use in Buildings” - CLIMA 2010 (May 9-12, 2010, Antalya, Turkey), 2010. 

2009

M. Sourbron, R. De Herdt, T. Van Reet, W. Van Passel, M. Baelmans, and L. Helsen, "How efficiently produced heat and cold is squandered by inappropriate control strategies: a case study", Energy and Buildings, vol. 41, 2009, pp. 1091-1098.

C. Verhelst, G. Vandersteen, J. Schoukens, and L. Helsen, "A linear dynamic borehole model for use in model based predictive control", in Proceedings of EFFSTOCK 2009 (June 14-17, 2009, Stockholm, Sweden), 2009.

M. Sourbron, M. Baelmans, and L. Helsen, "Thermal response of thermally activated building systems (TABS) in office buildings", in Proceedings of EFFSTOCK 2009 (June 14-17, 2009, Stockholm, Sweden), 2009.

2008

L. Helsen, M. Sourbron, and C. Verhelst, "Milieutechnologie : Grondgekoppelde warmtepompen als bron voor betonkernactivering", Veiligheid & Milieu, no. 10-extra, Nov. 2008.

M. Sourbron, F. Khaldi, M. Baelmans, and L. Helsen, "Validation of a thermally activated hollow core slab RC-model with measurements and FEM simulations", in Proceedings of the Symposium Building Physics (Oct 29-31, 2008, Leuven, Belgium), 2008.

P. Luickx, L. Helsen, and W. D'haeseleer, "Influence of massive heat-pump introduction on the electricity-generation mix and the GHG effect: Comparison between Belgium, France, Germany and The Netherlands", Renewable & Sustainable Energy Reviews, vol. 12, no. 8, Oct. 2008, pp. 2140-2158. Available at http://dx.doi.org/10.1016/j.rser.2007.01.030

L. Helsen, C. Verhelst, and M. Sourbron, "Thermal systems in buildings: a hot research topic at the Division Applied Mechanics and Energy Conversion (K.U. Leuven)", in Proceedings of the Heat Pump Platform Symposium (September 17, 2008, Sint-Katelijne-Waver, Belgium), 2008.

M. Sourbron, C. Verhelst, and L. Helsen, "Monitoring an office building equipped with thermally activated building systems (TABS) and a ground source heat pump", in Proceedings of the Heat Pump Platform Symposium (September 17, 2008, Sint-Katelijne-Waver, Belgium), 2008.

C. Verhelst, F. De Ridder, and L. Helsen, "System identification of a borehole thermal energy storage system for application in optial control", in Proceedings of the Heat Pump Platform Symposium (September 17, 2008, Sint-Katelijne-Waver, Belgium), 2008.

C. Verhelst, H. Nolens, K. Schoovaerts, and L. Helsen, "Performance of an air-to-water heat pump system in a low energy residential building: modelling and experimental results", 2008. Accepted for 9th IEA Heat Pump Conference, May 20-22, 2008, Zürich, Switserland.

L. Helsen, "WarmtePompPlatform Vlaanderen". Address at Heat Pump Platform Symposium, September 17, 2008, Sint-Katelijne-Waver, Belgium.

C. Verhelst, "Inleiding/situering warmtepompen". Address at Heat Pump Platform Symposium, September 17, 2008, Sint-Katelijne-Waver, Belgium.

L. Peeters, J. Van der Veken, H. Hens, L. Helsen, and W. D'haeseleer, "Control of heating systems in residential buildings: Current practice", Energy and Buildings, vol. 40, 2008, pp. 1446-1455.

L. Helsen, "Lucht-water warmtepompen in lage-energie woningen: een toets met de praktijk". Address at the Daikin Product Launch, January 30, 2008, Beersel, Belgium.

P. Luickx, L. Peeters, L. Helsen, and W. D'haeseleer, "Influence of massive heat-pump introduction on the electricity-generation mix and the GHG effect, Belgian case study", International Journal of Energy Research, vol. 32, no. 1, 2008, pp. 57-67. Available at http://dx.doi.org/10.1002/er.1366

2007

C. Verhelst and L. Helsen, "Modelgebaseerde regeling van grondgekoppelde warmtepompsystemen in kantoorgebouwen", in Proceedings of the KVIV Symposium "Mooi bedacht, nuttig toegepast", Sessie Energie (November 28, 2007, Brussels, Belgium), 2007.

M. Sourbron, M. Baelmans, and L. Helsen, "How efficiently produced heat and cold is squandered by inappropriate control strategies: Analysing TABS control strategies by measurements and simulations", in Proceedings of the Common technical briefing of ECBCS and HPP, Energy conservation in buildings and heat pump use (November 14, 2007, Brussels, Belgium), 2007. Available at http://www.labothap.ulg.ac.be/cmsms/index.php?page=iea-ecbcs-hpp-technical-briefing

C. Verhelst and L. Helsen, "Heat pumps in residential buildings". Address at ATIC meeting "De warmtepomp in de woning, al dan niet omkeerbaar, de uitrusting voor morgen?", October 18, 2007, Brussels, Belgium.

M. Sourbron, R. De Herdt, T. Van Reet, W. Van Passel, M. Baelmans, and L. Helsen, "Control of an office building equipped with thermally activated building systems (TABS): a case study", in Proceedings of the IEA Annex 48 Meeting (October 1, 2007, Luik, Belgium), 2007.

C. Verhelst and L. Helsen, "Modelling of an air-to-water heat pump system in a low energy residential building", in Proceedings of the IEA Annex 48 Meeting (October 1, 2007, Luik, Belgium), 2007.

M. Sourbron and L. Helsen, "Thermal Activated Building Systems (TABS): Current Practice (Analyzing TABS control strategies by measurements and simulations)" [Abstract], in Proceedings of the IEA-ECBCS-Annex 48 working meeting (October 1, 2007, Liege, Belgium), 2007.

M. Sourbron, R. De Herdt, T. Van Reet, W. Van Passel, M. Baelmans, and L. Helsen, "Thermal activated building systems (TABS): current practice", in Proceedings of the Passive House Symposium (September 7, 2007, Brussels, Belgium), 2007, pp. 303-310.

M. Sourbron, "Aspecten van regeling met betonkernactivering", in Proceedings of the Duurzame energie-installaties: thermische activering en ventilatie in gebouwen (September 13, 2007, Sint-Katelijne-Waver, Belgium), 2007.

L. Peeters, J. Van der Veken, H. Hens, L. Helsen, and W. D'haeseleer, "Sizing of boilers for residential buildings", in Proceedings of the REHVA Clima WellBeing Indoors Conference (June 10-14, 2007, Helsinki, Finland) [CD-ROM], 2007.

C. Verhelst, "Op hete kolen", Het Ingenieursblad, Apr. 2007.

D. Haeseldonckx, L. Peeters, L. Helsen, and W. D'haeseleer, "The impact of thermal storage on the operational behaviour of residential CHP facilities and the overall CO2 emissions", Renewable & Sustainable Energy Reviews, vol. 11, 2007, pp. 1227-1243.

L. Peeters, L. Helsen, and W. D'haeseleer, "Deel 3b: Optimalisatie van installaties; analyse per systeem: controlestrategieën : Eindrapport GBOU-project 020212: Ontwikkeling via levenscyclusoptimalisatie van extreem lage energie- en pollutiewoningen", Katholieke Universiteit Leuven, Tech. Rep. 2007R02, 2007.

2006

J. Van der Veken, H. Hens, L. Peeters, L. Helsen, and W. D'haeseleer, "Economic, energetic and ecological comparison of CHP and heat pumps with high efficiency gas boilers in domestic dwellings", in Proceedings of the Building Physics Conference (August 27-31, 2006, Montreal, Canada), 2006, pp. 661-668.

C. Verhelst, "Integratie van een SOFC hoge temperatuur brandstofcel in de gecombineerde vermogencycli van een IGCC steenkoolcentrale", Master's Thesis (Advisors: W. D'haeseleer and L. Helsen), Katholieke Universiteit Leuven, Heverlee, 2006.

L. Peeters, J. Van der Veken, L. Helsen, W. D'haeseleer, and H. Hens, "The performance of different heating systems in residential buildings with varying insulation quality", in Proceedings of the Esim Conference (May 3-5, 2006, Toronto, Canada), 2006, pp. 165-172.

A. Van de Meulebroecke, M. Suijkerbuik, I. Verhaert, L. Hendriksen, M. Sourbron, and K. Steendam, "Code van goede praktijk voor warmtepompinstallaties in de woningbouw", Belgium: Ode Vlaanderen, 2006. ISBN 9081088610.

2005

L. Helsen, "De ene warmte is de andere niet". Address at KVIV-studiedag "Lage temperatuur en toch warm!", November 16, 2005, Gent, Belgium.

L. Peeters, L. Helsen, and W. D'haeseleer, "Prediction of next day's heat demand to minimise heat-pump heating costs", in Proceedings of the Rehva Conference CLIMA (October 9-12, 2005, Lausanne, Switzerland), vol. 17, 2005, pp. 291-296.

L. Peeters, L. Helsen, and W. D'haeseleer, "Voorspelling van warmtevraag", ATIC Newsletter, Oct. 2005.

P. Luickx, L. Peeters, L. Helsen, and W. D'haeseleer, "The PROMIX simulation tool: an exercise for the massive introduction of heat pumps and its influence on the electricity-generation mix and GHG emissions". Address at Workshop on Market Modelling of the Central Western European Electricity Market, September 15-16, 2005, Leuven, Belgium.

L. Peeters, L. Helsen, and W. D'haeseleer, "Comparison of heating systems in a residential building", in Proceedings of the International Building Performance Simulation Association (August 15-18, 2005, Montreal, Canada), 2005, pp. 1277-1284.

W. D'haeseleer and L. Helsen, "European Sustainable Electricity; Comprehensive Analysis of Future Demand and Generation of European Electricity and its Security of Supply", in Proceedings of the Risoe International Energy Conference 2005 (May 23-25, 2005, Roskilde, Denmark) [CD-ROM], 2005. Available at http://www.risoe.dk/rispubl/SYS/ris-r-1517.htm

N. Jouret, L. Helsen, and E. Van den Bulck, "Study of the wood gasifier at the power plant of Electrabel Ruien", in Proceedings of the European Combustion Meeting (April 3-6, 2005, Louvain-la-Neuve), 2005.

L. Helsen, "Sampling technologies and air pollution control devices for gaseous and particulate arsenic: A review", Environmental Pollution, vol. 137, no. 2, 2005, pp. 305-315.

L. Helsen and E. Van den Bulck, "Review of disposal technologies for chromated copper arsenate (CCA) treated wood waste, with detailed analyses of thermochemical conversion processes", Environmental Pollution, vol. 134, no. 2, 2005, pp. 301-314.