This paper describes a series of ventilation measurements carried out in two small factory units situated on an industrial estate in Newport, South Wales. One of the factories is typical of current design, and the other is designed to be of greater energy efficiency in terms of increased levels of insulation and reduced air infiltration rate.
Increasing use is made of open front or cold confinement buildings for fattening beef cattle. Reports model study of an open front beef confinement building a) to evaluate the effects of ridge vent design on airflow characteristics and temperature and b) to determine prediction equations forthe relationship between wind velocity and outlet velocity. Reviews literature on the subject. Compares results with previous studies. Discusses relationships between outlet velocity, wind speed and temperature difference. Recommends open and baffled ridge vents.
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