Results of IEA SHC Task 45: Large Scale Solar Heating and Cooling Systems. Subtask A: “Collectors and Collector Loop”

Federico Bava, Jan Erik Nielsen, Samuel Knabl, Alfred Brunger, Simon Furbo, Christian Fink

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Abstract

The IEA SHC Task 45 Large Scale Solar Heating and Cooling Systems, carried out between January 2011 and December 2014, had the main objective to assist in the development of a strong and sustainable market of large solar heating systems by focusing on high performance and reliability of systems. Within this project, subtask A had the more specific objectives of investigating ways to evaluate the influence that different operating conditions can have on the collector performance, assure proper and safe installation of large solar collector fields, and guarantee their performance and yearly energy output. The results of the different investigations are presented, with a particular focus on how different parameters such as tilt, flow rate and fluid type, can affect the collector efficiency. Other presented results include methods to guarantee and check the thermal performance of a solar collector field and guidelines to design collector fields in such a way that the flow distribution is improved and the risks related to stagnation are minimized.
Original languageEnglish
JournalEnergy Procedia
Volume91
Pages (from-to)546-556
ISSN1876-6102
DOIs
Publication statusPublished - 2016
Event4th International Conference on Solar Heating and Cooling for Buildings and Industry 2015 - Istanbul, Turkey
Duration: 2 Dec 20154 Dec 2015
Conference number: 4

Conference

Conference4th International Conference on Solar Heating and Cooling for Buildings and Industry 2015
Number4
CountryTurkey
CityIstanbul
Period02/12/201504/12/2015

Bibliographical note

© 2016 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer-review by the scientific conference committee of SHC 2015 under responsibility of PSE AG

Keywords

  • Solar collector field
  • Collector efficiency
  • Fluid type
  • Water
  • Propylene glycol
  • Tilt angle
  • Flow rate
  • Flow regime
  • FEP
  • Stagnation
  • Flow distribution
  • Performance guarantee

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