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Effects of ventilation behaviour on indoor heat load based on test reference years

  • Since 2003, most European countries established heat health warning systems to alert the population to heat load. Heat health warning systems are based on predicted meteorological conditions outdoors. But the majority of the European population spends a substantial amount of time indoors, and indoor thermal conditions can differ substantially from outdoor conditions. The German MeteorologicalSince 2003, most European countries established heat health warning systems to alert the population to heat load. Heat health warning systems are based on predicted meteorological conditions outdoors. But the majority of the European population spends a substantial amount of time indoors, and indoor thermal conditions can differ substantially from outdoor conditions. The German Meteorological Service (Deutscher Wetterdienst, DWD) extended the existing heat health warning system (HHWS) with a thermal building simulation model to consider heat load indoors. In this study, the thermal building simulation model is used to simulate a standardized building representing a modern nursing home, because elderly and sick people are most sensitive to heat stress. Different types of natural ventilation were simulated. Based on current and future test reference years, changes in the future heat load indoors were analyzed. Results show differences between the various ventilation options and the possibility to minimize the thermal heat stress during summer by using an appropriate ventilation method. Nighttime ventilation for indoor thermal comfort is most important. A fully opened window at nighttime and the 2-h ventilation in the morning and evening are more sufficient to avoid heat stress than a tilted window at nighttime and the 1-h ventilation in the morning and the evening. Especially the ventilation in the morning seems to be effective to keep the heat load indoors low. Comparing the results for the current and the future test reference years, an increase of heat stress on all ventilation types can be recognized.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/1846
Bibliografische Angaben
Title (English):Effects of ventilation behaviour on indoor heat load based on test reference years
Author:Madeleine Rosenfelder, Christina Koppe, Jens PfafferottStaff MemberORCiDGND, Andreas Matzarakis
Year of Publication:2015
Date of first Publication:2015/06/07
Place of publication:Berlin und Heidelberg
Publisher:Springer
First Page:277
Last Page:287
Parent Title (English):International Journal of Biometeorology
Volume:60
Issue:2
ISSN:1432-1254
DOI:https://doi.org/10.1007/s00484-015-1024-8
Language:English
Inhaltliche Informationen
Institutes:Forschung / INES - Institut für nachhaltige Energiesysteme (bis 18.11.2021: Institut für Energiesystemtechnik)
Fakultät Maschinenbau und Verfahrenstechnik (M+V)
Institutes:Bibliografie
GND Keyword:Thermische Belastung; Ventilator
Formale Angaben
Open Access: Closed Access 
Licence (German):License LogoUrheberrechtlich geschützt