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VÄRMEÅTERVINNING I ALBANO: Energieffektivisering i studentbostäder
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Industrial Ecology.
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Industrial Ecology.
2013 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Rapporten beskriver undersökningen av två värmeåtervinningsmetoder, frånluftsvärmepump och frånlufts/tilluftsvärmeväxlingssystem (FTX-system), för en av Svenska Bostäders byggnader i det kommande byggprojektet i Albano. Syftet var att göra detta utifrån hållbarhetsaspekterna energieffektivitet, klimatpåverkan i form av växthusgasutsläpp samt driftskostnader för inköpt energi. Uppbyggnad av en värmeflödesmodell, baserad på en av byggnaderna i området, samt energiberäkningar för respektive uppvärmningssystem, visade att det relativt nollalternativ gick att spara 55 % av uppvärmningsbehovet om frånluftsvärmepumpen väljs och 45 % om FTX-systemet väljs. Totalt sett tyder resultaten på att frånluftsvärmepumpsystemet utgör ett något mer fördelaktigt alternativ, men om den studerade byggnadens totala klimatskalsprestanda kan uppnå mycket låga värmegenomgångstal utgör FTX-alternativet det bättre alternativet.

Abstract [en]

The report describes the investigation of two heat recovery methods, an exhaust air heat pump and an exhaust/supply air heat exchange system (FTX), for use in Svenska Bostäder’s buildings in the upcoming construction project in Albano. The aim was to do this based on the sustainability aspects of energy efficiency, environmental impact in terms of greenhouse gas emissions and operating costs for purchased energy. The construction of a heat flow model, based on one of the buildings in the area, as well as energy calculations for each heating system, showed that 55% of the heating requirement could be saved with the exhaust air heat pump option, while 45% if the FTX system was selected. Overall, the results suggest that the exhaust air heat pump system is a slightly more favorable option, but if the studied building’s total envelope can achieve a very low heat transfer coefficient, the FTX option is superior.

Place, publisher, year, edition, pages
2013. , 53 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-139087OAI: oai:DiVA.org:kth-139087DiVA: diva2:683743
Subject / course
Industrial Ecology
Educational program
Bachelor of Science - Energy and Environment
Supervisors
Examiners
Available from: 2014-01-06 Created: 2014-01-06 Last updated: 2014-01-06Bibliographically approved

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