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Thermal sensation and skin temperature during step-changes in non-uniform indoor environment
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Fluid and Climate Technology.
2014 (English)In: Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate, 2014, 175-182 p.Conference paper (Refereed)
Abstract [en]

To examine thermal sensation in non-uniform environment, this paper studied overall thermal sensation and skin temperature during step-change between an ambient and the workstation where local ventilation device was installed to supply air motion around the head. 23 human subject tests were conducted in summer for cooling in a controlled environment chamber. Thermal sensations and skin temperatures were collected and analysed by statistical tests. Thermal sensation's changing trends of hysteresis and overshooting were found respectively after stepping into the ambient and the workstation. Face skin temperature changed closely with thermal sensation, while it had no overshooting phenomenon as thermal sensation did. The minimum change of face skin temperature required for a just noticeable difference on thermal sensation was calculated. In conclusion, thermal sensation's changing rules are comfort positive for non-uniform thermal environment. Face skin temperature well explained thermal sensation's changing characters during step-changes with different local cooling methods.

Place, publisher, year, edition, pages
2014. 175-182 p.
Keyword [en]
Non-uniform, Personalized ventilation, Skin temperature, Step-change, Thermal sensation, Air quality, Indoor air pollution, Ventilation, Skin temperatures, Step changes, Thermal sensations, Thermal comfort
National Category
Civil Engineering
URN: urn:nbn:se:kth:diva-167880ScopusID: 2-s2.0-84924696707OAI: diva2:821214
13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014, 7 July 2014 through 12 July 2014

QC 20150615

Available from: 2015-06-15 Created: 2015-05-22 Last updated: 2015-06-15Bibliographically approved

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