Publications and available downloads
We publish regularly at international congresses, in professional literature or peer-reviewed publications. Below you will find an overview of the main publications, some can be downloaded (for others please contact us).
Witte, H.J.L. 2013. Error Analysis of Thermal Response Tests. Applied Energy 109: 302 - 3011.
IF Technology, Groenholland Geo-energiesystemen &KWR Watercycle Research Institute 2013. Technisch Onderzoek Gesloten Bodemenergiesystemen.
- Referentietypen [download pdf] en Positieve effecten (GH) [download pdf]
- Energiebalans en rendement (GH) [download pdf]
- Risico's op lekkage en doorboren kleinlagen (KWR) [download pdf]
- Interferentie tussen open en gesloten bodemenergiesystemen (IF) [download pdf]
Bruno, R., Salvatore, M., Tinti, F., Witte, H.J.L. 2013. Probabilistic approach to TRT analysis: evaluation of groudnwater flow effects and machine - borehole interaction. European Geothermal Congress 2013. Pisa, Italy.
Groenholland, 2012. Bepalen van het energetisch rendement van een warmtepompinstallatie met een gesloten bodemenergiesysteem. GHNL 012002 (Opdracht I&M). [download pdf]
Witte, H.J.L. 2012. Error analysis of thermal response tests (Extended Version). The 12th International conference on Energy Storage (INNOSTOCK, Lleida). INNO-U08. [download pdf] Excel calculation sheet [download zip]
Witte, H.J.L. 2012. The GEOTHEX geothermal heat exchanger, characterisation of a novel high efficiency heat exchanger design. The 12th International conference on Energy Storage (INNOSTOCK, Lleida). INNO-U32. [download pdf]
Witte, H.J.L. 2012. A parametric sensitivity study into borehole perfromance design parameters. The 12th International conference on Energy Storage (INNOSTOCK, Lleida). INNO-U33. [download pdf]
Witte, H.J.L. 2011. The ground source heat pump project at Lakeshore, Bristol (UK) - an example of a commercial turn-key heat pump project. REVHA European HVAC Journal. 48(4). [download pdf]
Witte, H.J.L. 2009. TRT: How to get the number right. GeoDrilling International Magazine. [download pdf]
Witte, H.J.L. 2006. Geothermal Response Tests using controlled multi-power level heating and cooling pulses (MPL-HCP): Qauntifying ground warer effects on heat transport around a borehole heat exchanger. In: Stiles (ed). The Tenth International Conference on Thermal Energy Storage, Ecostock 2006 Proceedings. May 31 - June 2, 2006, Stockton College New Jersey (USA).
(download pdf file)
Gelder, A.J, van, Witte, H.J.L., & Heaton, P. 2006. A ground source energy plant for the New Assembly for Wales. In: Stiles (ed). The Tenth International Conference on Thermal Energy Storage, Ecostock 2006 Proceedings. May 31 - June 2, 2006, Stockton College New Jersey (USA).
(download pdf file)
Witte, H.J.L., Gelder, A.J, van & Klep, P. 2006. A very large distributed ground source heat pump project for domestic heating: Schoenmakershoek, Etten-Leur (the Netherlands). In: Stiles (ed). The Tenth International Conference on Thermal Energy Storage, Ecostock 2006 Proceedings. May 31 - June 2, 2006, Stockton College New Jersey (USA).
(download pdf file)
Witte, H.J.L. 2006. Advances in Geothermal Response Testing. In: Paksoy (ed), Nato Advanced Study Institute on Thermal Energy Storage for Sustainable Energy Consumption (TESSEC), Fundamentals Case Studies and Design. June 6 - 17 2005. Izmir-Cesme/Turkey.
Witte, H.J.L. & Gelder, A.J. 2006. Three years monitoring of a borehole thermal energy store of a UK office building. In: Paksoy (ed), Nato Advanced Study Institute on Thermal Energy Storage for Sustainable Energy Consumption (TESSEC), Fundamentals Case Studies and Design. June 6 - 17 2005. Izmir-Cesme/Turkey.
Geelen, C.P.J.M., Witte, H.J.L. & Arkesteijn, C.A.M., 2006. Isso-publicatie 73 handleiding voor ontwerp en uitvoering, Toepassing van verticale bodemwarmtewisselaars. Verwarming en Ventilatie, 4: 302 - 307.
Romero, G., Urchueguía, J.F., Witte, H.J.L., Cambien, W. & Magraner, T. 2005. Comparative study between a Geothermal Heat Pump System and an Air-to-Water Heat Pump System for heating and cooling in typical conditions of the European Mediterranean Coast. Proceedings World Geothermal Congress, Antalya, Turkey.
(download pdf file)
Witte, H.J.L., 2003. Kwaliteitsrichtlijn Verticale Bodemwarmtewisselaars (NOVEM, 2DEN-0324)
(download pdf file)
Witte, H.J.L., 2002. Ground thermal conductivity testing: Effects of groundwater on the estimate. Wärmetransport in der Kruste - Beiträge zur allgemeinen und angewandten 3. Kolloquium des AK Geothermik der DGG 3-4 October 2002, Aachen, Germany.
(download pdf file)
Witte, H.J.L., Gelder, A.J, van & Spitler, J.D. 2002. In-situ measurement of ground thermal conductivity: The dutch perspepctive. ASHRAE Transactions, Volume 108, No. 1.
(download pdf file)
Witte, H.J.L., Gelder, A.J., van. & Serraõ, M. 2002. Comparison of design and operation of a commercial UK ground source heat pump project. SET 2002, 1st International Conference on Sustainable Energy Technologies. 12th -14th of June 2002, Porto, Portugal. Paper n. RHP8.
(download pdf file)
Witte, H.J.L. 2001. Geothermal response tests: The design and engineering of geothermal energy systems. Europäischer workshop über Geothermische Response Tests, EPFL, Lausanne, 25th and 26th of October 2001.
(download pdf file)
Gelder, A.J., van. 2001. Geothermal response tests with heat extraction and heat injection: Examples of application in research and design of geothermal ground heat exhangers. Europäischer workshop über Geothermische Response Tests, EPFL, Lausanne, 25th and 26th of October 2001.
(download pdf file)
Witte, H.J.L., Kalma, S. and A.J. van Gelder 2000. In-situ thermal conductivity testing: The dutch perspective (part 1 & 2). The Source. May/June 2000. Volume 13, No. 3, The Source. July/August 2000. Volume 13, No. 4.
(download pdf file)
Van Gelder, A.J., Witte, H.J.L., Kalma, S., Snijders, A. and R.G.A. Wennekes 1999. In-situ Messungen der thermische Eigenschaften des Untergrunds durch Wärmeentzug. IN: T. Hitziger (Ed): OPET Seminar “Erdgekoppelte Wärmepumpen zum heizen und Klimatisieren von Gebäuden. 109 pp.