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Demonstration of So...
Demonstration of Solar Heating andCooling System using Sorption Integrated Solar Thermal Collectors
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- Blackman, Corey (författare)
- Högskolan Dalarna,Mälardalens högskola,Framtidens energi,FE,Energi och miljöteknik,Mälardalen University,REESBE
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- Hallström, Olof (författare)
- Mälardalens högskola,Framtidens energi,FE,Mälardalen University
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- Bales, Chris (författare)
- Högskolan Dalarna,Energi och miljöteknik
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(creator_code:org_t)
- ISES, 2014
- 2014
- Engelska.
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Ingår i: EuroSun 2014 Conference Proceedings. - : ISES. ; , s. 523-532
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Abstract
Ämnesord
Stäng
- Producing cost-competitive small and medium-sized solar cooling systems is currently a significant challenge. Due to system complexity, extensive engineering, design and equipment costs; the installation costs of solar thermal cooling systems are prohibitively high. In efforts to overcome these limitations, a novel sorption heat pump module has been developed and directly integrated into a solar thermal collector. The module comprises a fully encapsulated sorption tube containing hygroscopic salt sorbent and water as a refrigerant, sealed under vacuum with no moving parts. A 5.6m2 aperture area outdoor laboratory-scale system of sorption module integrated solar collectors was installed in Stockholm, Sweden and evaluated under constant re-cooling and chilled fluid return temperatures in order to assess collector performance. Measured average solar cooling COP was 0.19 with average cooling powers between 120 and 200 Wm-2 collector aperture area. It was observed that average collector cooling power is constant at daily insolation levels above 3.6 kWhm-2 with the cooling energy produced being proportional to solar insolation. For full evaluation of an integrated sorption collector solar heating and cooling system, under the umbrella of a European Union project for technological innovation, a 180m2 large-scale demonstration system has been installed in Karlstad, Sweden. Results from the installation commissioned in summer 2014 with non-optimised control strategies showed average electrical COP of 10.6 and average cooling powers between 140 and 250 Wm-2 collector aperture area. Optimisation of control strategies, heat transfer fluid flows through the collectors and electrical COP will be carried out in autumn
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- solar cooling
- absorption
- integrated sorption collector
- sorption heat pump
- Energy- and Environmental Engineering
- energi- och miljöteknik
- Reesbe företagsforskarskola
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)