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Impact of high residential density on the building technology, HVAC systems, and indoor environment in Swedish apartments
Lund University, Sweden.
RISE Research Institutes of Sweden, Built Environment, System Transition and Service Innovation. Lund University, Sweden.ORCID iD: 0000-0001-7568-3334
RISE Research Institutes of Sweden, Safety and Transport. Lund University, Sweden.ORCID iD: 0000-0002-3863-0740
Lund University, Sweden.
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2020 (English)In: E3S Web of Conferences. Volyme 172, 2020., EDP Sciences , 2020, article id 09003Conference paper, Published paper (Refereed)
Abstract [en]

During the last few years, there has been an increased number of overcrowded apartments, due to increased migration but also housing shortage in general, particularly in the suburbs to major cities. The question is how the indoor environment in these apartments is affected by the high number of persons and how the problems related to high residential density can be overcome. This paper aims to specify the problem by investigating and analysing the technical parameters influenced by residential density in Swedish apartments built between 1965-1974. To map the situation, 11 interviews with employees at housing companies were conducted. Based on extreme conditions described in the interviews, simulations of the indoor climate and moisture risks at some vulnerable parts of constructions were made. Simulations were focused on moisture loads and CO2 concentrations as functions of residential density and ventilation rate. Finally, measures to combat problems associated to overcrowding are suggested. The aim is that the results should be used by authorities to formulate incentives and/or recommendations for housing companies to take actions to ensure a good indoor environment for all, irrespective of residential density conditions. © The Authors.

Place, publisher, year, edition, pages
EDP Sciences , 2020. article id 09003
Keywords [en]
Apartment houses, Climate control, Moisture, Building technologies, CO2 concentration, Extreme conditions, Indoor climate, Indoor environment, Major cities, Residential density, Ventilation rate, HVAC
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-45623DOI: 10.1051/e3sconf/202017209003Scopus ID: 2-s2.0-85088442365OAI: oai:DiVA.org:ri-45623DiVA, id: diva2:1458847
Conference
12th Nordic Symposium on Building Physics, NSB 2020, 6 September 2020 through 9 September 2020
Note

Funding details: Energimyndigheten, 41819-1; Funding details: Nova; Funding text 1: This research was funded by the Swedish Energy Agency, program E2B2 grant 41819-1, NOVA.

Available from: 2020-08-18 Created: 2020-08-18 Last updated: 2023-05-25Bibliographically approved

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von Platten, JennyMjörnell, Kristina

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