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A better understanding of thermal Alliesthesia and thermal Adaptation for correctly predicting dynamic thermal comfort

Project description

Indoor comfort systems move from satisfactory to totally hot

Nearly everyone working in a modern shared-space environment, or even living with others, has experienced the thermostat war – some people are freezing while others are warm. Our perception of temperature and our thermal comfort are dependent on more than a static heat balance between the environment and our skin or our core temperature. After all, the environment is the same for everyone, as is the core temperature for all practical purposes. Understanding the factors and processes determining our perceived thermal comfort is emerging as a critical consideration in developing energy-efficient buildings that simultaneously keep people happy. The EU-funded comfortA project is investigating the psychophysiological mechanisms behind dynamic thermal comfort to develop better predictive models, resulting in the design of indoor comfort systems that do much more than comfort.

Objective

Much of the effort in thermal comfort research has been given to understand which environmental and personal steady-state conditions lead to thermal comfort. This focus on static and isothermal states has been translated in the prescription of fixed set-point temperatures in buildings. Now, a paradigm shift in the way energy is generated and used calls for a complete rethink of the way buildings are designed and operated. In contrast to a fixed set-point driven design, the implementation of set-point modulations in buildings allows to shift and/or shave heating and cooling peak loads and contributes to boost buildings’ flexibility. However, a scarce knowledge of the effect of dynamic indoor conditions on occupants’ thermal comfort still prevents the design and adoption of comfortable temperature fluctuations. While big advancements have been made in modelling the physics of the heat and mass transfer into and out of the human body (i.e. the passive system of multi-segmental dynamic models of human thermoregulation), still very little is known on how the brain processes and integrates sensory inputs to create thermal perceptions, particularly during dynamic indoor conditions. The proposed research project aims to address this knowledge deficit by shedding new light on the psycho-physiological mechanisms driving the dynamic thermal perception, with a particular focus on the phenomena of thermal alliesthesia and thermal adaptation, and by creating a more accurate predictive thermal comfort model, which is able to better account for these two phenomena. This project will provide the research community with a new robust set of empirical data, novel knowledge and a novel physiological-based dynamic thermal comfort model, which has the potential to revolutionize the way professionals and researchers design and operate indoor comfort systems: not just aiming for thermal neutrality but striving for thermal delight.

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Keywords

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

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Call for proposal

(opens in new window) H2020-MSCA-IF-2019

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Coordinator

LA ROCHELLE UNIVERSITE
Net EU contribution
€ 220 958,88
Address
Avenue Albert-Einstein 23
17031 La Rochelle
France
Region
Nouvelle-Aquitaine Poitou-Charentes Charente-Maritime
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 220 958,88

Partners (1)