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First thermal response test in Syria
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0001-7144-9778
2009 (English)In: Abstract book and proceedings : Effstock 2009: 11th International conference on thermal Energy Storage for Energy Efficiency and Sustainability / [ed] Signhild Gehlin, Stockholm: Energi- och Miljötekniska Föreningen / EMTF Förlag , 2009Conference paper, Published paper (Refereed)
Abstract [en]

Ground source heat pumps (GSHPs) mean attractive heating and cooling systems. The injection/extraction of thermal energy is obtained by borehole heat exchangers (BHE). Since the GSHP operates at a relatively stable temperature, the coefficient of performance of such systems is higher than that of air source heat pumps. BHEs are drilled to a depth <300 m with a diameter of 0.10-0.15 m. The proper BHE design requires knowledge of ground thermal properties. Thermal response testing (TRT) is used primarily for in situ determination of design data for BHEs. In current study, which was the first TRT in Syria, the purpose was to determine the effective ground thermal conductivity. Measured data were evaluated by the line source model. Used method and performed evaluation are presented for a borehole drilled in clay, silt and sand. The resulting effective ground thermal conductivity was 2.011 W/m.K and the borehole thermal resistance was 0.111 K /(W/m).

Place, publisher, year, edition, pages
Stockholm: Energi- och Miljötekniska Föreningen / EMTF Förlag , 2009.
National Category
Water Engineering
Research subject
Water Resources Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-38928Local ID: d7c66dc0-8668-11de-8da0-000ea68e967bOAI: oai:DiVA.org:ltu-38928DiVA: diva2:1012435
Conference
International Conference on Thermal Energy Storage : 14/06/2009 - 17/06/2009
Note
Godkänd; 2009; 20090811 (khamoh)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-10-19Bibliographically approved

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