A novel method for determining infiltration of mechanically ventilated buildings

Ilpo Kulmala (Corresponding Author), Heikki Parviainen, Ian Hall, Pertti Pasanen

Research output: Contribution to journalArticleScientificpeer-review

Abstract

A novel method for determining air infiltration for mechanically ventilated buildings is presented in this paper. It consists of a model that uses size-resolved particle concentrations of the outdoor, filtered supply, and exhaust air as input. Based on these continuously measured concentrations, the infiltration rate can be inferred by fitting the experimentally obtained indoor concentrations with theoretically calculated values. The approach was validated by continuous long-term field measurements made over a four-month period. The results show that infiltration rates could be reliably estimated using this method and that the calculated infiltration rates were clearly dependent on the wind speed.

Original languageEnglish
Number of pages7
JournalScience and Technology for the Built Environment
DOIs
Publication statusE-pub ahead of print - 25 Jun 2019
MoE publication typeA1 Journal article-refereed

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Infiltration
Air
Particle size

Cite this

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title = "A novel method for determining infiltration of mechanically ventilated buildings",
abstract = "A novel method for determining air infiltration for mechanically ventilated buildings is presented in this paper. It consists of a model that uses size-resolved particle concentrations of the outdoor, filtered supply, and exhaust air as input. Based on these continuously measured concentrations, the infiltration rate can be inferred by fitting the experimentally obtained indoor concentrations with theoretically calculated values. The approach was validated by continuous long-term field measurements made over a four-month period. The results show that infiltration rates could be reliably estimated using this method and that the calculated infiltration rates were clearly dependent on the wind speed.",
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A novel method for determining infiltration of mechanically ventilated buildings. / Kulmala, Ilpo (Corresponding Author); Parviainen, Heikki; Hall, Ian; Pasanen, Pertti.

In: Science and Technology for the Built Environment, 25.06.2019.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Parviainen, Heikki

AU - Hall, Ian

AU - Pasanen, Pertti

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N2 - A novel method for determining air infiltration for mechanically ventilated buildings is presented in this paper. It consists of a model that uses size-resolved particle concentrations of the outdoor, filtered supply, and exhaust air as input. Based on these continuously measured concentrations, the infiltration rate can be inferred by fitting the experimentally obtained indoor concentrations with theoretically calculated values. The approach was validated by continuous long-term field measurements made over a four-month period. The results show that infiltration rates could be reliably estimated using this method and that the calculated infiltration rates were clearly dependent on the wind speed.

AB - A novel method for determining air infiltration for mechanically ventilated buildings is presented in this paper. It consists of a model that uses size-resolved particle concentrations of the outdoor, filtered supply, and exhaust air as input. Based on these continuously measured concentrations, the infiltration rate can be inferred by fitting the experimentally obtained indoor concentrations with theoretically calculated values. The approach was validated by continuous long-term field measurements made over a four-month period. The results show that infiltration rates could be reliably estimated using this method and that the calculated infiltration rates were clearly dependent on the wind speed.

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