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Increasing the solar gain by heat-fed and hot water-fed clothes washer and washing machines
Dalarna University, School of Technology and Business Studies, Environmental Engineering.
Dalarna University, School of Technology and Business Studies, Environmental Engineering.
2006 (English)In: EuroSun 2006, Glasgow, UK, 2006Conference paper, Published paper (Other academic) Published
Abstract [en]

70 to 90% of the electric energy used by dishwashers and washing machines heats the water, the crockery, the laundry and the machine and could just as well be replaced by heating energy from solar collectors, district heating or a boiler. A dishwasher and a washing machine equipped with a heat exchanger and heated by a hot water circulation circuit instead of electricity (heat-fed machines) have been simulated together with solar heating systems for single-family houses in two different climates (Stockholm, Sweden and Miami, USA). The increased heat load will increase the solar gain and this will compensate for the increased energy demand by heat-fed machines due to increased pipe losses and increased electricity used by pumps. Using ordinary machines connected to the hot water pipe (hot water-fed machines) and using only cold water for the rinses in the washing machine gives almost the same solar contribution; however considerably lower electrical energy savings are achieved since extra electricity is needed to heat up the machines to the required washing temperature.

Place, publisher, year, edition, pages
Glasgow, UK, 2006.
Keywords [en]
heat-fed machines, hot-water-fed machines, solar gain, electricity saving, dishwasher, clothes washer, Washing machine
Identifiers
URN: urn:nbn:se:du-2107OAI: oai:dalea.du.se:2107DiVA, id: diva2:521614
Conference
EuroSun 2006 , Glasgow, UK, 27 - 30 June, 2006
Available from: 2006-05-16 Created: 2006-05-16 Last updated: 2012-04-24Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Language
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  • nn-NB
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Output format
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  • asciidoc
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