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Article: On the understanding of the mean radiant temperature within both the indoor and outdoor environment, a critical review

TitleOn the understanding of the mean radiant temperature within both the indoor and outdoor environment, a critical review
Authors
KeywordsGlobe thermometer
Human biometeorology
mean radiant temperature
Net radiometer
Thermal comfort
Issue Date2020
Citation
Renewable and Sustainable Energy Reviews, 2020, v. 117, article no. 109207 How to Cite?
AbstractMean radiant temperature is central to our understanding of the radiant heat exchange between the human body and surrounding environment. This paper will present a review of the concept's evolution including its qualitative definition, methods of quantitative evaluation and corresponding challenges. In the process, this review suggests that more effort needs to be invested in addressing the geometric complexities of radiant heat transfer in research into MRT; the ASHRAE definition is broad and is liable to simplification, and research which uses the definition relies on a variety of simplifications, often without acknowledging the degree of geometric complexity which exists in reality. Existing means of obtaining an estimate of mean radiant temperature range from direct measurements using globe thermometers or net radiometers, to computational simulations, and are widely used for studies within indoor and outdoor environments. Previous literature studying the correlation between air temperature and MRT has found equivalence ratios, the relative importance of convection to radiation, ranging from 0.71 to 1.4, however, it is often assumed to be 1.0 in current research practices. We also identified a rapid increase in the usage of MRT in biometeorological studies during the last ten years on top of the increased usage in indoor environment sensing and modeling in light of recent developments in heating and cooling systems. Recent efforts to include the short-wave component in indoor MRT characterization have shown an increase in cooling capacity of radiant floors from 32 to 110 W/m2; significantly decreasing peak energy demand.
Persistent Identifierhttp://hdl.handle.net/10722/334621
ISSN
2023 Impact Factor: 16.3
2023 SCImago Journal Rankings: 3.596
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorGuo, Hongshan-
dc.contributor.authorAviv, Dorit-
dc.contributor.authorLoyola, Mauricio-
dc.contributor.authorTeitelbaum, Eric-
dc.contributor.authorHouchois, Nicholas-
dc.contributor.authorMeggers, Forrest-
dc.date.accessioned2023-10-20T06:49:27Z-
dc.date.available2023-10-20T06:49:27Z-
dc.date.issued2020-
dc.identifier.citationRenewable and Sustainable Energy Reviews, 2020, v. 117, article no. 109207-
dc.identifier.issn1364-0321-
dc.identifier.urihttp://hdl.handle.net/10722/334621-
dc.description.abstractMean radiant temperature is central to our understanding of the radiant heat exchange between the human body and surrounding environment. This paper will present a review of the concept's evolution including its qualitative definition, methods of quantitative evaluation and corresponding challenges. In the process, this review suggests that more effort needs to be invested in addressing the geometric complexities of radiant heat transfer in research into MRT; the ASHRAE definition is broad and is liable to simplification, and research which uses the definition relies on a variety of simplifications, often without acknowledging the degree of geometric complexity which exists in reality. Existing means of obtaining an estimate of mean radiant temperature range from direct measurements using globe thermometers or net radiometers, to computational simulations, and are widely used for studies within indoor and outdoor environments. Previous literature studying the correlation between air temperature and MRT has found equivalence ratios, the relative importance of convection to radiation, ranging from 0.71 to 1.4, however, it is often assumed to be 1.0 in current research practices. We also identified a rapid increase in the usage of MRT in biometeorological studies during the last ten years on top of the increased usage in indoor environment sensing and modeling in light of recent developments in heating and cooling systems. Recent efforts to include the short-wave component in indoor MRT characterization have shown an increase in cooling capacity of radiant floors from 32 to 110 W/m2; significantly decreasing peak energy demand.-
dc.languageeng-
dc.relation.ispartofRenewable and Sustainable Energy Reviews-
dc.subjectGlobe thermometer-
dc.subjectHuman biometeorology-
dc.subjectmean radiant temperature-
dc.subjectNet radiometer-
dc.subjectThermal comfort-
dc.titleOn the understanding of the mean radiant temperature within both the indoor and outdoor environment, a critical review-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.rser.2019.06.014-
dc.identifier.scopuseid_2-s2.0-85074534004-
dc.identifier.volume117-
dc.identifier.spagearticle no. 109207-
dc.identifier.epagearticle no. 109207-
dc.identifier.eissn1879-0690-
dc.identifier.isiWOS:000501608500001-

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