A simplified procedure for sizing solar thermal systems based on national assessment methods in the UK and Ireland.

Richard O'Hegarty, Oliver Kinnane, Sarah McCormack

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    3 Citations (Scopus)
    1140 Downloads (Pure)

    Abstract

    Solar heating systems have the potential to be an efficient renewable energy technology, provided they are sized correctly. Sizing a solar thermal system for domestic applications does not warrant the cost of a simulation. As a result simplified sizing procedures are required. The size of a system depends on a number of variables including the efficiency of the collector itself, the hot water demand and the solar radiation at a given location. Domestic Hot Water (DHW) demand varies with time and is assessed using a multi-parameter detailed model. Secondly, the national energy evaluation methodologies are evaluated from the perspective of solar thermal system sizing. Based on the assessment of the standards, limitations in the evaluation method for solar thermal systems are outlined and an adapted method, specific to the sizing of solar thermal systems, is proposed. The methodology is presented for two common dwelling scenarios. Results from this showed that it is difficult to achieve a high solar fraction given practical sizes of system infrastructure (storage tanks) for standard domestic properties. However, solar thermal systems can significantly offset energy loads due associated DHW consumption, particularly when sized appropriately. The presented methodology is valuable for simple solar system design and also for the quick comparison of salient criteria.
    Original languageEnglish
    Title of host publicationEnergy Procedia: 6th International Conference on Sustainability in Energy and Buildings, SEB-14
    PublisherElsevier
    Pages647-655
    Number of pages9
    Volume62
    ISBN (Print)1876-6102
    DOIs
    Publication statusPublished - 2014
    Event6th International Conference on Sustainability in Energy and Buildings, SEB-14 - Cardiff, United Kingdom
    Duration: 25 May 201427 Jun 2014

    Conference

    Conference6th International Conference on Sustainability in Energy and Buildings, SEB-14
    CountryUnited Kingdom
    CityCardiff
    Period25/05/201427/06/2014

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