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Article

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Title

Incorporating an atrium as a HAVC element for energy consumption reduction and thermal comfort improvement in a Polish climate

Authors

[ 1 ] Instytut Inżynierii Środowiska i Instalacji Budowlanych, Wydział Inżynierii Środowiska i Energetyki, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.10] Environmental engineering, mining and energy

Year of publication

2022

Published in

Energy and Buildings

Journal year: 2022 | Journal volume: vol. 277

Article type

scientific article

Publication language

english

Keywords
EN
  • Atrium
  • Daylighting
  • Ventilation
  • Building simulations
  • Energy savings
  • University buildings
  • IES VE
Abstract

EN The form, attractiveness, functionality, and exterior appearance of buildings have been important considerations in architecture for centuries. Large common spaces, sharing of daylight, and the use of large glazing are also important. Combining many of these factors, buildings with atriums form a focal point, create a social meeting place, and contribute to the attractiveness of the building by providing a large open interior space. In cold and moderate climates, the atrium roof is important as the climate is often not conducive to outdoor activities. Using an IES-VE simulation, variants of a building in which the atrium was an independent element of the building or integrated into the ventilation system as a passive heater were analyzed. Additionally, two lighting systems were analyzed: on/off time-dependent control and daylight-dependent control (using dimming profiles for artificial lighting). Integrating the atrium into the HVAC system reduced the primary energy consumption for air heating by 17–22%. Using regulated lighting lowered the number of overheating hours. Factoring when the building was used (academic year), the atrium variants met thermal comfort requirements for 90% of its useful time, which did not occur when the atrium was not integrated. Therefore, integrating an atrium with an HVAC system can reduce energy consumption while providing thermal comfort to users.

Date of online publication

22.10.2022

Pages (from - to)

112592-1 - 112592-13

DOI

10.1016/j.enbuild.2022.112592

URL

https://www.sciencedirect.com/science/article/pii/S0378778822007630?via%3Dihub

Comments

Article Number: 112592

License type

CC BY (attribution alone)

Open Access Mode

czasopismo hybrydowe

Open Access Text Version

final published version

Date of Open Access to the publication

in press

Ministry points / journal

140

Impact Factor

6,7

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