Use of local convective and radiant cooling at warm environment

Arsen Krikor Melikov, Barbora Krejcirikova, Jan Kaczmarczyk, Marcin Duszyk, Tomonori Sakoi

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Abstract

The effect of four local cooling devices (convective, radiant and combined) on SBS symptoms reported by 24 subjects at 28 ˚C and 50% RH was studied. The devices studied were: (1) desk cooling fan, (2) personalized ventilation providing clean air, (3) two radiant panels and (4) two radiant panels with one panel equipped with small fans. A reference condition without cooling was tested as well. The response of the subjects to the exposed conditions was collected by computerized questionnaires. The cooling devices significantly (p<0,05) improved subjects’ thermal comfort compared to without cooling. The acceptability of the thermal environment was similar for all cooling devices. The acceptability of air movement and PAQ increased when the local cooling methods were used. The best results were achieved with personalized ventilation and cooling fan. The minimal improvement in PAQ was reported when the radiant panel was used alone. The use of the local cooling devices led to increase of eye irritation. The reported SBS symptoms increased during the exposure time in all studied conditions, i.e. with and without cooling devices. The lowest prevalence of symptoms was with personalized ventilation and with radiant panel with attached fans, which also helped people to feel less fatigue. The SBS symptoms increased the most when the cooling fan, generating movement of polluted room air, was used.
Original languageEnglish
Title of host publicationProceedings of Healthy Buildings 2012
Number of pages7
PublisherInternational Society of Indoor Air Quality and Climate
Publication date2012
Article number4G.7
ISBN (Print)9781627480758
Publication statusPublished - 2012
Event10th International Conference on Healthy Buildings - Brisbane Convention & Exhibition Centre, Brisbane, Australia
Duration: 8 Jul 201212 Jul 2012
Conference number: 10
http://hb2012.org/

Conference

Conference10th International Conference on Healthy Buildings
Number10
LocationBrisbane Convention & Exhibition Centre
CountryAustralia
CityBrisbane
Period08/07/201212/07/2012
Internet address

Cite this

Melikov, A. K., Krejcirikova, B., Kaczmarczyk, J., Duszyk, M., & Sakoi, T. (2012). Use of local convective and radiant cooling at warm environment. In Proceedings of Healthy Buildings 2012 [4G.7] International Society of Indoor Air Quality and Climate.