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Simulation of Indoor Radon and Energy Recovery Ventilation Systems in Residential Buildings
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.
2015 (English)Doctoral thesis, monograph (Other academic)
Abstract [en]

This study aims to investigate the effects of ventilation rate, indoor air temperature, humidity and using a heat recovery ventilation system on indoor radon concentration and distribution.

Methods employed include energy dynamic and computational fluid dynamics simulation, experimental measurement and analytical investigations. Experimental investigations primarily utilize a continuous radon meter and a detached house equipped with a recovery heat exchanger unit.

The results of the dynamic simulation show that the heat recovery unit is cost-effective for the cold Swedish climate and an energy saving of about 30 kWh per  floor area per year is possible, while it can be also used to lower radon level.

The numerical results showed that ventilation rate and ventilation location have significant impacts on both radon content and distribution, whereas indoor air temperature only has a small effect on radon level and distribution and humidity has no impact on radon level but has a small impact on its distribution.

Place, publisher, year, edition, pages
Sweden: Mälardalen University , 2015.
Mälardalen University Press Dissertations, ISSN 1651-4238 ; 190
Keyword [en]
Energy saving, Radon, Heat recovery ventilation, Residential building, CFD
National Category
Energy Engineering
Research subject
Energy- and Environmental Engineering
URN: urn:nbn:se:mdh:diva-29274ISBN: 978-91-7485-236-3OAI: diva2:857712
Public defence
2015-12-18, Pi, Mälardalens högskola, Västerås, 10:00 (English)
Available from: 2015-09-30 Created: 2015-09-30 Last updated: 2015-12-21Bibliographically approved

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Akbari, Keramatollah
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