The impact of air exchange effectiveness on thermal comfort in an air-conditioned office

Roonak Daghigh, Kamaruzzaman Sopian

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Problem statement: Impact of air exchange effectiveness on thermal comfort has not been investigated and, therefore, not well understood. Therefore, the influence of air exchange effectiveness on thermal comfort is investigated in this study. Approach: The main objective of this research is to investigate the thermal comfort level of an air-conditioned office room under 14 windows-door opening arrangements as a function of maximum, minimum and mean Air Exchange Effectiveness (AEE), as has not been inquired into already. The tracer gas decay method has been applied during the experimental procedures to estimate air exchange effectiveness, on the basis of room average and local mean age of air. Simultaneously, thermal comfort variables were measured and through these data, the thermal comforts Fanger's indices (PMV and PPD) were calculated. Staff answered a survey on their sensation of the indoor climate. Results: Results of 60 survey responses to thermal comfort questions in office and indoor air quality are presented. This study has shown that there are relationship between AEE and thermal comfort and three linear regression equations of PMV versus AEE can be derived for this air-conditioned office. Conclusion: Studies on the effect of air exchange effectiveness on thermal comfort in an office have shown that Thermal comfort is influenced by AEE, which go beyond the six factors which have been taken into account in PMV modeling.

Original languageEnglish
Pages (from-to)1974-1981
Number of pages8
JournalAmerican Journal of Applied Sciences
Volume6
Issue number11
Publication statusPublished - 2009

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Thermal comfort
Air
Air quality
Linear regression

Keywords

  • Age of air
  • Air exchange effectiveness
  • Objective approach
  • Subjective study
  • Thermal comfort
  • Tracer gas decay

ASJC Scopus subject areas

  • General

Cite this

The impact of air exchange effectiveness on thermal comfort in an air-conditioned office. / Daghigh, Roonak; Sopian, Kamaruzzaman.

In: American Journal of Applied Sciences, Vol. 6, No. 11, 2009, p. 1974-1981.

Research output: Contribution to journalArticle

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