Author:
LIN Y. J. P.,LINDEN P. F.
Abstract
A model of single-room displacement ventilation is extended to a space consisting of
two chambers of equal height connected by two openings. Individually, both chambers
have displacement ventilation in this geometrical arrangement, but the space itself is
not connected to the outside. Thus we are considering ventilation of two chambers in
the interior of a building, such as an office connected to an internal atrium. Theoretical
analysis and experimental results are presented in this paper. The experiments use salt
solutions to simulate thermal forcing in buildings and the theoretical analysis is based
on plume theory. The two chambers have a time-dependent interaction resulting from
changing stratification in the two chambers. We concentrate here on a small chamber
with an internal heat source connected to a large unheated chamber, and show that
the time variation is determined by the size of the larger chamber. We discuss the
implications of these results for building ventilation design and control.
Publisher
Cambridge University Press (CUP)
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Cited by
40 articles.
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