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The provision of an adequate supply of uncontaminated air suitable for the needs of the occupants is an important aspect of building design and construction. Ventilation can be promoted by natural or artificial forces, and it is necessary to understand this process since it affects both the energy consumption and the internal environment of a building. Ventilation is a complex process which is influenced by a variety of constructional, behavioral, and environmental parameters.
Measurement techniques provide the fundamental means of acquiring a greater understanding of air infiltration and ventilation, in that they enable primary data to be obtained from existing structures. In recognition of the importance of measurement techniques, the Air Infiltration and Ventilation Centre (AIVC) has produced a document titled Air Exchange Rate and Airtightness Measurement Techniques—An Applications Guide.
The guide primarily examines the measurement of air change rate, interzonal airflow, and airtightness. The broad aims of this document are to indicate the variety of techniques which are available, to provide detailed information about several techniques, and to offer advice regarding the selection of techniques for particular applications. This paper describes the scope, structure, and content of this guide to air exchange rate and airtightness measurement techniques.
air change rate, interzonal airflow, airtightness, infiltration, measurement techniques, ventilation
Senior scientist, University of Warwick Science Park, Coventry,