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Application of Ground Source Heat Pump to a Supermarket in Portugal

Journal of Civil Engineering and Architecture 2011年第3期5卷 241-247页

作者： Joao Garcia Luis Coelho Rita Cerdeira Burkhard Sanner Philippe Lentz Nicolas Frechin polithecnic institute of set（tbal Escola Superior de Tecnologia de Setubal Campus de IPS 1 Setuba12910-76 Portugal European Geothermal Energy Council （EGEC） Brussels Belgium SAUNIER ＆ ASSOCIES Paris France

The objective of the present paper is to describe a technical and economical visibility study of the application of ground source heat pumps （GSHP） in a supermarket in Portugal. The study was developed under the European project ＂Integration of Geothermal Energy Into Industrial Application - IGEIA＂, project number EIE 06/001, supported by the Intelligent Energy for Europe, IEE, of EACI, European Commission. In general for supermarkets installed in single buildings, the building envelope has higher rates of envelope areas per indoor air volume. In Portugal this fact produces high need of heating during the winter season and high cooling needs during the summer season. Inside the building there are strong internal heat loads produced by high densities of lights and equipments. However these internal loads are not distributed uniformly. There are some areas with high production of heat but there are others with production of cooling. Therefore the acclimatization of this kind of buildings is not so easy and the balance of heating and cooling needs is depending of different parameters which should be well evaluated. The energy consummation of the cold display cases and deep freezers in market area and storage is also very high. The different energy needs could be studied in an integrated way and could be partially satisfied by geothermal energy using ground source heat pumps. At the same time the boreholes could be used as an energy reservoir increasing the efficiency of whole system. Four different climatic zones in Portugal were selected, （north coast, interior north, south coast and interior south） using the same system. The results of the study show that the all energy needs can by partially satisfied by geothermal energy but they need to be integrated to increase the global efficiency. The paper shows that the geothermal energy can be an attractive application for the supermarkets in Portugal if the energy solution is studied in an integrated way and if it is also

关键词： Geothermal energy ground source heat pump high efficiency

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