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Adaptive-rational Thermal Comfort Model: Adaptive Predicted Mean Vote with Variable Adaptive Coefficient.

08:00 EDT 10th March 2020 | BioPortfolio

Summary of "Adaptive-rational Thermal Comfort Model: Adaptive Predicted Mean Vote with Variable Adaptive Coefficient."

Thermal adaptations, as feedbacks of occupants to physical stimuli, extend thermal comfort zone thereby reducing building energy consumption effectively. The rational approach models thermal comfort from the perspective of the body's heat balance, but is limited in explaining the thermal adaptations. The adaptive approach of modelling thermal comfort can fully account for the thermal adaptations, but ignores the body's heat balance. To improve thermal comfort prediction, this study proposes an adaptive-rational thermal comfort model, i.e., an adaptive Predicted Mean Vote with a variable adaptive coefficient (termed as arPMV). By linearly linking the negative feedback effects of the thermal adaptations to the ambient temperature according to the adaptive approach, the variable adaptive coefficient is linearly related to the reciprocal of the ambient temperature with two constants. The variable adaptive coefficient is determined by explicitly quantifying the two constants as the functions of the Predicted Mean Vote, thermal sensation vote and ambient temperature. The proposed arPMV is validated for naturally-ventilated, air-conditioned and mixed-mode buildings, with the mean absolute error and the robustness of the thermal sensation prediction reduced by 24.8 - 83.5% and improved by 49.7 - 83.4%, respectively.

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This article was published in the following journal.

Name: Indoor air
ISSN: 1600-0668
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