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title:(Displacement AND ventilation)

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10 items by relevance
1 Book

Displacement ventilation

Kosonen, Risto; Melikov, Arsen Krikor; Mundt, Elisabeth; Mustakalio, Panu; Nielsen, Peter V.

Federation of European Heating and Air-Conditioning Associations, REHVA — 2017

The aim of this Guidebook is to give the state-of-the art knowledge of the displacement ventilation technology, and to simplify and improve the practical design procedure. The Guidebook discusses methods of total volume ventilation by mixing ventilation and displacement ventilation and it gives

Year: 2017

Language: English

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2 Journal article

Dynamic design model of displacement ventilation

Lastovets, Natalia; Kosonen, Risto; Jokisalo, Juha; Kilpeläinen, Simo

E3s Web of Conferences — 2019, Volume 111, pp. 04049

An accurate temperature gradient calculation is essential for displacement ventilation (DV) system design, since it directly relates to the calculation of the required supply air flow rate. Inaccurate temperature prediction can cause the poor thermal comfort and w sizing of the ventilation

Year: 2019

Language: Undetermined

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3 Journal article

Dynamic performance of displacement ventilation in a lecture hall

Lastovets, Natalia; Sirén, Kai; Kosonen, Risto; Jokisalo, Juha; Kilpeläinen, Simo

International Journal of Ventilation — 2021, Volume 20, Issue 3, pp. 204-214

An accurate temperature gradient calculation is essential for displacement ventilation (DV) system design since it directly relates to thecalculation of the required supply airflow rate. Inaccurate temperature prediction can cause poor thermal comfort and wrong sizing of the ventilation and cooling

Year: 2021

Language: Undetermined

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4 Journal article

The use of displacement and zoning ventilation in a multipurpose arena

Lestinen, Sami; Koskela, Hannu; Jokisalo, Juha; Kilpeläinen, Simo; Kosonen, Risto

International Journal of Ventilation — 2016, Volume 15, Issue 2, pp. 151-166

This study investigated the performance of ventilation and indoor climate in a multipurpose arena located in Malmö, Sweden, with a seating capacity of 13,000 individuals, and in which a combination of displacement and zoning ventilation was applied. The main objective was to explore thermal

Year: 2016

Language: English

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5 Journal article

Modelling of room air temperature profile with displacement ventilation

Lastovets, Natalia; Kosonen, Risto; Mustakallio, Panu; Jokisalo, Juha; Li, Angui

International Journal of Ventilation — 2020, Volume 19, Issue 2, pp. 112-126

An accurate temperature gradient calculation is essential for displacement ventilation (DV) system design, since it directly relates to the calculation of supply air flow rate. Several simplified nodal models were developed and implemented in the various building simulation programmes to estimate

Year: 2020

Language: English

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6 Journal article

Local Discomfort Caused by Draft Perception in a Space Served by Displacement Ventilation System in the Tropics

Yu, W. J.; Cheong, K. W. D.; Sekhar, S. C.; Tham, K. W.; Kosonen, R.

Indoor and Built Environment — 2006, Volume 15, Issue 3, pp. 225-233

This paper reports a subjective study in a field environmental chamber (FEC) served by a displacement ventilation (DV) system. Sixty tropically acclimatised subjects, 30 males and 30 females, were engaged in sedentary office work for 3h. The subjects were exposed to three vertical air temperature

Year: 2006

Language: Undetermined

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7 Journal article

Thermal effect of temperature gradient in a field environment chamber served by displacement ventilation system in the tropics

Yu, W.J.; Cheong, K.W.D.; Tham, K.W.; Sekhar, S.C.; Kosonen, R.

Building and Environment — 2007, Volume 42, Issue 1, pp. 516-524

The effect of vertical air temperature gradient on overall and local thermal comfort at different overall thermal sensations and room air temperatures (at 0.6m height) was investigated in a room served by displacement ventilation system. Sixty tropically acclimatized subjects performed sedentary

Year: 2007

Language: English

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8 Journal article

Influence of shape and heat release of thermal passenger manikins on the performance of displacement ventilation in a train compartment

Schmeling, Daniel; Bosbach, Johannes; Kosonen, Risto

Indoor and Built Environment — 2020, Volume 29, Issue 6, pp. 835-850

The influence of sensible heat release on the performance of displacement ventilation was studied in a generic laboratory representing the lower cabin of the German Aerospace Center (DLR)’s Next Generation Train. Tests at variable mean cabin temperatures were conducted with human subjects, thermal

Year: 2020

Language: Undetermined

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9 Journal article

Local thermal sensation and comfort study in a field environment chamber served by displacement ventilation system in the tropics

Cheong, K.W.D.; Yu, W.J.; Sekhar, S.C.; Tham, K.W.; Kosonen, R.

Building and Environment — 2007, Volume 42, Issue 2, pp. 525-533

This paper presents a study of local thermal sensation (LTS) and comfort in a field environmental chamber (FEC) served by displacement ventilation (DV) system. The FEC, 11.12m (L)×7.53m (W)×2.60m (H), simulates a typical office layout. A total of 60 tropically acclimatized subjects, 30 male and 30

Year: 2007

Language: English

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10 Journal article

Assessment of thermal environment using a thermal manikin in a field environment chamber served by displacement ventilation system

Cheong, K.W.D.; Yu, W.J.; Kosonen, R.; Tham, K.W.; Sekhar, S.C.

Building and Environment — 2005, Volume 41, Issue 12, pp. 1661-1670

This paper presents a thermal comfort study using a thermal manikin in a field environment chamber served by the Displacement Ventilation (DV) system. The manikin has a female body with 26 individually heated and controlled body segments. The manikin together with subjects was exposed to 3 levels

Year: 2005

Language: English

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