engleski

Installation of ground- and water-source heat pumps in karst terrains (case studies from Croatia)

Hydrogeological and thermogeological properties of the shallow subsurface in the Dinaric karst area of Croatia were investigated in the context of its utilization for ground- and water-source heat pumps (GSHPs and WSHPs). It was determined that rock thermal conductivities are favorable for GSHP utilization and that wells with high enough yield and stabile seawater or groundwater temperatures for WSHP utilization can be designed in appropriate structural settings. Advantages and disadvantages of the utilized methodology have been pointed out, as well as methods which should prove useful in the future. Hydrogeological, geotechnical and thermal risks expected during the drilling, installation and operational phases have also been identified. Presented case studies have given the insight into the heat pump installation options and conditions in Croatian part of the Dinarides, but can be useful to other researchers and engineers both in the Dinarides and in similar karst regions.

Dinaric karst, rock thermal properties, hydrogeological properties, heat pumps, Croatia

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