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Air flows in a school with fan-assisted natural ventilation, with the focus on the opening of the exhaust windows

In English

Författare

Summary, in English

In schools the air flow is one of the most important factors with regard to the well-being and performance of the children. Some school buildings have a fan assisted natural ventilation system. In some buildings windows are the only exhaust air component. The teachers can be requested to take an active part in the control of these ventilation systems. The objective is to examine the air flows and air directions when the exhaust windows are in different positions. This is studied by computer calculations with the program PFS. The results show that when all openings are opened as intended the required air flows are attained. When exhaust openings are opened in an unintended position, cases with very low or reverse air flow may occur. The position of the exhaust openings seems to be significant for the amount of supply air flow, implying that the position of the exhaust openings should be carefully monitored.

Publiceringsår

2008

Språk

Engelska

Publikation/Tidskrift/Serie

Proceedings of Indoor Air 2008

Volym

Paper ID 541

Dokumenttyp

Konferensbidrag

Förlag

International Society of Indoor Air Quality and Climate (ISIAQ)

Ämne

  • Building Technologies

Nyckelord

  • Ventilation
  • Air flow
  • Reverse flow
  • Exhaust opening
  • Window
  • Fan assisted natural ventilation

Conference name

11th International Conference on Indoor Air Quality and Climate, 2008

Conference date

2008-08-17 - 2008-08-22

Conference place

Copenhagen, Denmark

Status

Published