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Paradoxes in understanding the Efficiency Factors of Space Heating
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.ORCID iD: 0000-0002-2822-0000
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2018 (English)In: Energy Efficiency, ISSN 1570-646X, E-ISSN 1570-6478Article in journal (Refereed) Epub ahead of print
Abstract [en]

Efficiency factors are here defined as the thermal energy performance indicators of the space heating. Until recently, the efficiency factors were assumed as one value for space heating located inany climate. This study addresses the problem of how the outdoor climate affects the efficiency factors of a space heating equipped with 1D model of hydronic floor heating. The findings show how the efficiency factors, computed with two numerical methods, are correlated with the solar radiation. This study highlights the paradoxes in understanding the results of efficiency factors analysis. This work suggests how to interpret and use the efficiency factors as a benchmark performance indicator.

Place, publisher, year, edition, pages
Springer, 2018.
Keywords [en]
Efficiency factors, Space heating, Accuracy 1D model of hydronic floor heating, Outdoor climate, Performance indicator, Solar radiation, Benchmark, Linear regression model
National Category
Building Technologies
Research subject
Technical Physics
Identifiers
URN: urn:nbn:se:umu:diva-149931DOI: 10.1007/s12053-018-9692-yOAI: oai:DiVA.org:umu-149931DiVA, id: diva2:1229280
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Reliability and robustness of efficiency factors theory of the space heating equipped with hydronic technologiesAvailable from: 2018-06-29 Created: 2018-06-29 Last updated: 2018-08-08

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Brembilla, ChristianÖstin, RonnySoleimani-Mohseni, MohsenOlofsson, Thomas

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CiteExportLink to record
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Output format
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