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Airflow through large openings

Allard, F. / Utsumi, Y.

Abstract The subject of airflow through large openings includes a large number of different problems, ranging from steady gravitational flows to fluctuating flows due to wind turbulence, and including recirculating flows caused by boundary layer effects in a thermally driven cavity. After a review describing the various physical phenomena, and the existing solutions available in the literature to solve this problem, we present in this paper a general solution to predict airflow through large vertical openings. This solution is able to take into account effects of density gradients and turbulence on gravitational flows, and is compatible with a pressure network description for multizone modelling of airflow in buildings.

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Airflow through large openings

Allard, F. / Utsumi, Y.

Abstract The subject of airflow through large openings includes a large number of different problems, ranging from steady gravitational flows to fluctuating flows due to wind turbulence, and including recirculating flows caused by boundary layer effects in a thermally driven cavity. After a review describing the various physical phenomena, and the existing solutions available in the literature to solve this problem, we present in this paper a general solution to predict airflow through large vertical openings. This solution is able to take into account effects of density gradients and turbulence on gravitational flows, and is compatible with a pressure network description for multizone modelling of airflow in buildings.

Airflow through large openings

Allard, F. / Utsumi, Y.

Abstract The subject of airflow through large openings includes a large number of different problems, ranging from steady gravitational flows to fluctuating flows due to wind turbulence, and including recirculating flows caused by boundary layer effects in a thermally driven cavity. After a review describing the various physical phenomena, and the existing solutions available in the literature to solve this problem, we present in this paper a general solution to predict airflow through large vertical openings. This solution is able to take into account effects of density gradients and turbulence on gravitational flows, and is compatible with a pressure network description for multizone modelling of airflow in buildings.

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Title:

Airflow through large openings

Contributors:

Allard, F. (author) / Utsumi, Y. (author)

Published in:

Energy and Buildings ; 18 ; 133-145

Publication date:

1992-01-01

Size:

13 pages

ISSN:

DOI:

https://doi.org/10.1016/0378-7788(92)90042-F

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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