Cited by 206Building Energy and Comfort OptimizationThermoregulation and physiological responsesUrban Heat Island Mitigation

The influence of local effects on thermal sensation under non-uniform environmental conditions — Gender differences in thermophysiology, thermal comfort and productivity during convective and radiant cooling

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Schellen, L., Loomans, M.G.L.C., de Wit, M.H., Olesen, B.W., Lichtenbelt, W.D. van Marken·2012·Physiology & Behavior

Abstract

Applying high temperature cooling concepts, i.e. high temperature cooling (T(supply) is 16-20°C) HVAC systems, in the built environment allows the reduction in the use of (high quality) energy. However, application of high temperature cooling systems can result in whole body and local discomfort of the occupants. Non-uniform thermal conditions, which may occur due to application of high temperature cooling systems, can be responsible for discomfort. Contradictions in literature exist regarding the validity of the often used predicted mean vote (PMV) index for both genders, and the index is not intended for evaluating the discomfort due to non-uniform environmental conditions. In some cases, however, combinations of local and general discomfort factors, for example draught under warm conditions, may not be uncomfortable. The objective of this study was to investigate gender differences in thermophysiology, thermal comfort and productivity in response to thermal non-uniform environmental conditions. Twenty healthy subjects (10 males and 10 females, age 20-29 years) were exposed to two different experimental conditions: a convective cooling situation (CC) and a radiant cooling situation (RC). During the experiments physiological responses, thermal comfort and productivity were measured. The results show that under both experimental conditions the actual mean thermal sensation votes significantly differ from the PMV-index; the subjects are feeling colder than predicted. Furthermore, the females are more uncomfortable and dissatisfied compared to the males. For females, the local sensations and skin temperatures of the extremities have a significant influence on whole body thermal sensation and are therefore important to consider under non-uniform environmental conditions.

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Crossref · 10.1016/j.physbeh.2012.07.008

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  1. Mccullough EA, Jones BW, Tamura T. A database for determining the evaporative resistance of clothing. ASHRAE Trans 1989;95:316-28.
  2. Mccullough EA, Olesen BW, Hong S. Thermal insulation provided by chairs. ASHRAE Trans 1994;100(1):795-802.

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Authors
Schellen, L., Loomans, M. G. L. C., de Wit, M. H., Olesen, B. W., & Lichtenbelt, W. D. V. M.
Affiliations
  • Eindhoven University of Technology (NL)
  • Technical University of Denmark (DK)
  • Maastricht University Medical Centre (NL)
Corresponding author
Schellen, L.
Venue
Physiology & Behavior
Publisher
Elsevier BV
Published
2012-09
Volume
107
Issue
2
Pages
252-261
ISSN
0031-9384 (ISSN-L)
OpenAlex
W2119470845
Cited by
206
References
42
Citations by year
2026: 13 · 2025: 13 · 2024: 18 · 2023: 15 · 2022: 25 · 2021: 17 · 2020: 12 · 2019: 17 · 2018: 19 · 2017: 17 · 2016: 12 · 2015: 9 · 2014: 11 · 2013: 8
FWCI
16.91
Type
journal article
Language
en
Open access
Locations
  • Physiology & Behavior (publishedVersion)
  • PubMed (publishedVersion)
  • TU/e Research Portal (publishedVersion)
  • TU/e Research Portal (submittedVersion)
  • Research Publications (Maastricht University) (submittedVersion, other-oa)
  • Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU) (submittedVersion)
Funders
Technische Universiteit Eindhoven
Topics
  • Physical Sciences › Engineering › Building and Construction › Building Energy and Comfort Optimization
  • Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
  • Physical Sciences › Environmental Science › Environmental Engineering › Urban Heat Island Mitigation
Keywords
thermal sensation, gender differences, thermal physiology, thermal comfort, productivity, convective cooling, radiant cooling, predicted mean vote, draught, skin temperature, extremities, occupant discomfort
MeSH terms
Adult, Air Conditioning, Cold Temperature, Efficiency, Environment, Female, Humans, Male, Personal Satisfaction, Surveys and Questionnaires, Sex Characteristics, Skin Temperature, Thermosensing

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