airflow in high-rise multi-unit residential buildings with respect to ventilation and iaq

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Airflow in High-Rise Multi-Unit Residential Buildings with Respect to Ventilation and IAQ

!   Lorne Ricketts, EIT lricketts@rdhbe.com

!   Graham Finch, P.Eng. gfinch@rdhbe.com

10/17/2013

!   Extensive experimental program ! Perfluorocarbon tracer (PFT)

testing to measure airflows

!   Long term monitoring of pressure differences

!  Pressure neutralized airtightness testing

Case Study Building

!   Very interesting measured results regarding: !  Pressurized corridor ventilation systems

!   Interaction of driving forces (wind, stack effect, & mechanical)

!  Airtightness and compartmentalization

Findings

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