Influence of thermophysiology on thermal behavior: the essentials of categorization

C. Jacquot, L. Schellen, B.R. Kingma, M.A. van Baak, W.D. van Marken Lichtenbelt

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Predicted energy use of dwellings often deviates from the actual energy use. Thermoregulatory behavior of the occupant might explain this difference. Such behavior is influenced by thermal sensation and thermal comfort. These subjective ratings in turn are linked to physiological parameters such as core and skin temperatures. However, it is unclear which physiological parameters best predict thermoregulatory behavior. The objective of this research was to study physiological parameters that potentially can be used to predict thermoregulatory behavior. Sixteen healthy females (18-30years) were exposed to two dynamic temperature protocols: a gradual increase (+4K/h, ranging from 24 degrees C to 32 degrees C) and a gradual decrease in ambient temperature (-4K/h, ranging from 24 degrees C to 16 degrees C). During the experiments physiological responses, thermal sensation, thermal preference and the intention of thermoregulatory behavior were measured. Thermal sensation is highly correlated with thermal preference (r=-0.933, P<0.001). The skin temperature of the wrist best predicts thermal sensation (R2=0.558, P<0.001) and therefore seems useful as a physiological parameter to predict the intention of thermoregulatory behavior. When the subjects are categorized based on their thermal sensation votes, more precise predictions of thermal sensation can be made. This categorization therefore can be of value for the determination of the actual energy use of occupant in dwellings.
Original languageEnglish
Pages (from-to)180-187
Number of pages8
JournalPhysiology & Behavior
Volume128
DOIs
Publication statusPublished - 10 Apr 2014

Keywords

  • Thermoregulatory behavior
  • Thermophysiology
  • Categorization
  • Thermal sensation
  • Thermal preference
  • SKIN TEMPERATURE
  • COMFORT
  • SENSATION
  • HEAT
  • PRODUCTIVITY
  • HOMEOSTASIS
  • GENDER
  • SLEEP
  • SPACE

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