Short-term airing by natural ventilation: modeling and control strategies

Marco Perino, Per Heiselberg

Research output: Contribution to journalJournal articleResearchpeer-review

14 Citations (Scopus)

Abstract

The need to improve the energy efficiency of buildings requires new and more efficient ventilation systems. It has been demonstrated that innovative operating concepts that make use of natural ventilation seem to be more appreciated by occupants. This kind of system frequently integrates traditional mechanical ventilation components with natural ventilation devices, such as motorized windows and louvers. Among the various ventilation strategies that are currently available, buoyancy driven single-sided natural ventilation has proved to be very effective and can provide high air change rates for temperature and IAQ control. However, in order to promote a wider applications of these systems, an improvement in the knowledge of their working principles and the availability of new design and simulation tools is necessary. In this context, the paper analyses and presents the results of a research that was aimed at developing and validating numerical models for the analysis of buoyancy driven single-sided natural ventilation systems. Once validated, these models can be used to optimize control strategies in order to achieve satisfactory indoor comfort conditions and IAQ.
Original languageEnglish
JournalIndoor Air
Volume19
Issue number5
Pages (from-to)357-380
ISSN0905-6947
DOIs
Publication statusPublished - 2009

Keywords

  • Single-sided natural ventilation
  • Intermittent ventilation
  • Short-term airing
  • Modeling natural ventilation
  • Zonal model
  • CFD simulations

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