Seminar 05-2 -- Numerical Methods for Predicting Outdoor Dispersion from Exhaust Stacks PDF

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Exhaust stacks emit pollutants that may be re-entrained into building outside air intakes, thus potentially creating indoor air pollution problems. These issues can be important for central plants, boiler exhausts, kitchen exhausts, and laboratories. Numerical methods, ranging from simple algebraic equations to computational fluid dynamics (CFD) have long been available as an alternative to wind tunnel modeling of exhaust stacks and dispersion of pollutants. This seminar explores recent trends and the current state of the art in numerical methods. CFD and simple equations are covered. Comparisons are made to some wind tunnel modeling as well.

Updated Dispersion Model for the ASHRAE Applications and Lab Design Handbooks
Brad Cochran, Member
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)

CFD Approaches to Predicting Dilution from Exhaust Stacks in Urban Areas
Ted Stathopoulos, Ph.D., P.E., Member, Mauricio Chavez, Ali Bahloul, Ph.D.
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)

Evaluation of Several Simple Numerical Methods Against Wind Tunnel Modeling
Michael Ratcliff, Ph.D., P.E., Member
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)