Semi-Empirical Models for Buoyancy-Driven Ventilation: A Literature Study

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Abstrakt

A literature study is presented on the theories and models dealing with buoyancy-driven ventilation in rooms. The models are categorised into four types according to how the physical process is conceived: column model, fan model, neutral plane model and pressure model. These models are analysed and compared with a reference model. Discrepancies and differences are shown, and the deviations are discussed. It is concluded that a reliable buoyancy model based solely on the fundamental flow equations is desirable.
OriginalsprogEngelsk
TidsskriftInternational Journal of Ventilation
Vol/bind14
Udgave nummer1
Sider (fra-til)77-90
Antal sider14
ISSN1473-3315
DOI
StatusUdgivet - 1 jun. 2015

Emneord

  • Natural ventilation
  • Buoyancy-driven ventilation
  • Column model
  • Fan model
  • Neutral plane

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