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Open AccessArticle

Multi-Country Analysis on Energy Savings in Buildings by Means of a Micro-Solar Organic Rankine Cycle System: A Simulation Study

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Università Telematica eCampus, Via Isimbardi 10, 22060 Novedrate (CO), Italy
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DIAEE, Sapienza Università di Roma, via Eudossiana 18, 00184 Rome, Italy
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Department Mechanical Engineering and Construction, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
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GREiA Research Group, Universitat de Lleida, Pere de Cabrera s/n, 25001 Lleida, Spain
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Elianto S.R.L., Parco Scientifico e Tecnologico della Sardegna Località Piscina Manna—Edificio 1, 09010 Pula (CA), Italy
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Enogia S.A.S, 19 Avenue Paul Héroult, 13015 Marseille, France
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Società per il TRAsferimento TEcnologico e Guida all’Innovation Engineering, S.TRA.TE.G.I.E. srl, via Sandro Totti 1, 60131 Ancona, Italy
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Sinagro Enginyeria S.L.P, Av. Estudi General 7, Altell 5, 25001 Lleida, Spain
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User Feedback Program SL, Sant Jaume Apòstol 8, 25126 Almenar, Spain
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AAVID Thermacore Europe, 12 Wansbeck Business Park Ashington, Northumberland NE63 8QW, UK
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Author to whom correspondence should be addressed.
Environments 2018, 5(11), 119; https://doi.org/10.3390/environments5110119
Received: 4 October 2018 / Revised: 29 October 2018 / Accepted: 31 October 2018 / Published: 2 November 2018
(This article belongs to the Special Issue Smart Energy Management for a Sustainable Built Environment)
In this paper, the smart management of buildings energy use by means of an innovative renewable micro-cogeneration system is investigated. The system consists of a concentrated linear Fresnel reflectors solar field coupled with a phase change material thermal energy storage tank and a 2 kWe/18 kWth organic Rankine cycle (ORC) system. The microsolar ORC was designed to supply both electricity and thermal energy demand to residential dwellings to reduce their primary energy use. In this analysis, the achievable energy and operational cost savings through the proposed plant with respect to traditional technologies (i.e., condensing boilers and electricity grid) were assessed by means of simulations. The influence of the climate and latitude of the installation was taken into account to assess the performance and the potential of such system across Europe and specifically in Spain, Italy, France, Germany, U.K., and Sweden. Results show that the proposed plant can satisfy about 80% of the overall energy demand of a 100 m2 dwelling in southern Europe, while the energy demand coverage drops to 34% in the worst scenario in northern Europe. The corresponding operational cost savings amount to 87% for a dwelling in the south and at 33% for one in the north. View Full-Text
Keywords: renewable technologies; combined heat and power production; organic Rankine cycle; buildings; energy savings renewable technologies; combined heat and power production; organic Rankine cycle; buildings; energy savings
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Arteconi, A.; Del Zotto, L.; Tascioni, R.; Mahkamov, K.; Underwood, C.; Cabeza, L.F.; Maldonado, J.M.; Manca, R.; Mintsa, A.C.; Bartolini, C.M.; Gimbernat, T.; Botargues, T.; Halimic, E.; Cioccolanti, L. Multi-Country Analysis on Energy Savings in Buildings by Means of a Micro-Solar Organic Rankine Cycle System: A Simulation Study. Environments 2018, 5, 119.

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