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Optimizing Efficiency of Biomass—Fired Organic Rankine Cycle with Concentrated Solar Power in Denmark View metadata,Downloaded citation and from similar orbit.dtu.dk papers on:at core.ac.uk Mar 29, 2019 brought to you by CORE provided by Online Research Database In Technology Optimizing Efficiency of Biomass—Fired Organic Rankine Cycle with Concentrated Solar Power in Denmark Zourellis, Andreas; Perers, Bengt; Donneborg, Jes; Matoricz, Jelica Published in: Energy Procedia Link to article, DOI: 10.1016/j.egypro.2018.08.206 Publication date: 2018 Document Version Publisher's PDF, also known as Version of record Link back to DTU Orbit Citation (APA): Zourellis, A., Perers, B., Donneborg, J., & Matoricz, J. (2018). Optimizing Efficiency of Biomass—Fired Organic Rankine Cycle with Concentrated Solar Power in Denmark. Energy Procedia, 149, 420-426. DOI: 10.1016/j.egypro.2018.08.206 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Users may download and print one copy of any publication from the public portal for the purpose of private study or research. You may not further distribute the material or use it for any profit-making activity or commercial gain You may freely distribute the URL identifying the publication in the public portal If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Available online at www.sciencedirect.com Available online at www.sciencedirect.com ScienceDirect ScienceDirect AvailableEnergy online Procedia at www.sciencedirect.com00 (2018) 000–000 Available online at www.sciencedirect.com 2 Andreas Zourellis / Energy Procedia 00 (2018) 000–000 Energy Procedia 00 (2018) 000–000 www.elsevier.com/locate/procedia www.elsevier.com/locate/procedia ScienceDirectScienceDirect 1. Introduction EnergyEnergy Procedia Procedia 14900 (20(2018)17) 000420–426–000 Solar energy is abundant and increasingly utilized in domestic systems to supply space heating and cooling. www.elsevier.com/locate/procedia However, over the last couple of decades the world energy demand has increased dramatically due to both industrial 16th International Symposium on District Heating and Cooling, DHC2018, growth and population increase. 16th International9– 12Symposium September on 2018, District Hamburg, Heating Germany and Cooling, DHC2018, 9–12 September 2018, Hamburg, Germany 1.1 Concentrated Solar Power in Denmark Optimizing Efficiency of Biomass—Fired Organic Rankine Cycle Concentrated solar power (CSP) plants have so far mainly been built to produce electricity for export to the grid, OptimizingThe Efficiency 15th International of Biomass Symposium— onFired District Organic Heating and Rankine Cooling Cycle with Concentrated Solar Power in Denmark however, numerous advantages have been identified in industrial setting as well. Due to the technology’s flexibility with Concentrated Solar Power in Denmark to produce high and mid temperature heat, it provides an ideal solar-thermal solution for industrial purposes. Parabolic Assessing the feasibilitya ofb using the heatc demand-outdoord trough CSP plants are typically found in countries around the solar belt, but economic viability has also been proven Andreas Zourellis *, Bengt Perers , Jes Donneborg and Jelica Matoricz in a place with limited solar resources, in Denmark, where efficiency of the system was monitored and compared with Andreas Zourellisa*, Bengt Perersb, Jes Donneborgc and Jelica Matoriczd temperature functiona,c,d Aalborg for CSP a A/S, long Hjulmagervej-term 55, 9000 district Aalborg, Denmark heat demand forecast flat solar-thermal panels. The report concluded that CSP produces more energy per square meter above 50 °C, provides b Department of Civil Engineering,a,c,d Aalborg CSPTechnical A/S, Hjulmagervej University of 55,Nordvej 9000 Building Aalborg, 119 Denmark, 2800 Kgs. Lyngby, Denmark a better economy over the system’s 25-years lifetime and ensures a year-round energy production even in Nordic a,b,c a a b c c I. Andrib Departmentć of* ,Civil A. Engineering, Pina , P. Technical Ferrão University, J. Fournier of Nordvej Building., B. 119Lacarrière, 2800 Kgs. Lyngby, O., Denmark Le Corre climate conditions compared to flat panel systems [1]. It has also be seen that even when operating in higher temperature the parabolic trough collectors maintain a high heat yield per square meter or aperture area [2], [3]. That a AbstractIN+ Center for Innovation, Technology and Policy Research - Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisbon, Portugal is because the heat is concentrated in a central receiver tube enclosed in a vacuum glass envelope. Abstract bVeolia Recherche & Innovation, 291 Avenue Dreyfous Daniel, 78520 Limay, France A first of its kindcDépartement concentrated Systèmes solar Énergétiques power (CSP) et Environnement installation has- IMT been Atlantique integrated, 4 r uetogether Alfred Kastler,with a biomass44300 Nantes, heat andFrance power (CHP) Aplant first using of its an kind organic concentrated rankine solarcycle power(ORC) (CSP) unit. Theinstallation plant has has been been deployed integrated in togetherthe north withern parta biomassof Jutland heat inand Denmark, power (C rightHP) plantnext tousing the cityan organic of Brønderslev. rankine cycle The (ORC)plant has unit been. The supplying plant has heatbeen to deployed the local in district the north heatingern part networkof Jutlandsince in the Denmark, end of 2016 right. nextAalborg to the CSP city has of developed Brønderslev. and Thebuilt p thelantCSP has plantbeen supplyingconsisting heatof parabolic to the local trough district collectors heating with network an aperturesince reflectingthe end of area 2016 of. Abstract Aalborg26,920 m CSP2. The has CSP developed plant is and able built to deliverthe CSP 16.6 plant MWth consisting at its of peak parabolic while troughit can supplycollectors the withdistrict an apertureheating orreflecting the ORC area with of approximately26,920 m2. The 16,000 CSP plantMWh isof ableheat toannually. deliver This16.6 paper MWth serves at its as peak a description while it ofcan the supply technical the aspectsdistrict ofheating the system or the with ORC specific with District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the approximatelyfocus on the CSP 16,000 field MWh as well of as heat present annually. the firstThismeasured paper serves performance as a description from the of Stheummer technical of 2017. aspects of the system with specific greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat focus on the CSP field as well as present the first measured performance from the Summer of 2017. ©sales 2018. DueThe Authors.to the changed Published climate by Elsevier conditions Ltd. and building renovation policies, heat demand in the future could decrease, prolonging the investment return period. ©This 2018 is an The open Authors. access Published article under by Elsevierthe CC BY Ltd.Ltd-.NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0/) ThisThe ismain an open scope access of this article paper under is to assessthe CC the BY-NC-ND feasibility license of using (https://creativecommons.org/licenses/by-nc-nd/4.0/ the heat demand – outdoor temperature function for) heat demand ThisSelection is an andopen peer access-review article under under responsibility the CC BY of-NC the-ND scientific license committee (https://creativecommons.org/licenses/by of the 16th International Symposium-nc-nd/4.0/ on District) Heating Selectionforecast. andThe peer-review district of underAlvalade, responsibility located inof Lisbonthe scientific (Portugal), committee was usedof the as16th a caseInternational study. The Symposium district ison consistedDistrict Heatingof 665 Selectionand Cooling, and DHC2018peer-review. under responsibility of the scientific committee of the 16th International Symposium on District Heating andbuildings Cooling, that DHC2018. vary in both construction period and typology. Three weather scenarios (low, medium, high) and three district and Cooling, DHC2018. Keywords:renovationSolar scenarios Energy, Concentratedwere developed Solar (shallow,Power, CSP, intermediate, Concentrated deep).Solar Heat, To CSH,estimate Solar the-Thermal, error, obtainedIntegrated heatEnergy demand System, values Organic were RankineKeywords:compared Cycle,Solar with ORC, Energy, results Biomass Concentrated from a dynamic Solar heatPower, demand CSP, Concentrated model, previously Solar Heat, developed CSH, Solar and-Thermal, validated Integrated by the authors. Energy System, Organic RankineThe results Cycle, showed ORC, Biomass that when only weather change is considered, the margin of error could be acceptable for some applications (the error in annual demand was lower than 20% for all weather scenarios considered). However, after introducing renovation scenarios, the error value increased up to 59.5% (depending on the weather and renovation scenarios combination considered). Figure 1: Parabolic trough collector performance vs. flat plate collectors The value of slope coefficient increased on average within the range of 3.8% up to 8% per decade, that corresponds to the in low heating temperatures decrease in the number of heating hours of 22-139h
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