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Cooling performance of ground-coupled air intake ducts

M. Mysen, 2003
cooling | duct | hybrid ventilation | natural ventilation
Bibliographic info: Air Information Review, Vol. 25, n° 1, Dec 2003, pp 5, 1 Fig.
Languages: English

In Norway and Sweden's schools, hybrid or natural ventilation with ground-coupled fresh air intake ducts (or culverts) is the popular way of conditioning air.The ground-coupled ducts are normally made of concrete and easily accessible for inspection and cleaning; they can be divided into two parts: the air-intake culvert and the air-distribution culvert. Measurements show that the use of ground-coupled ducts along with a suitable airflow regulation is a guarantee that the supply air is colder than room air.


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