- Author
- McCartney, C. J. | Lougheed, G. D. | Weckman, E. J.
- Title
- CFD Investigation of Balcony Spill Plumes in Atria.
- Coporate
- National Research Council of Canada, Ottawa, Ontario
- Journal
- ASHRAE Transactions, Vol. 114, No. 1, 369-378, 2008
- Report
- NRCC-50043,
- Keywords
- computational fluid dynamics | plumes | atria | equations | codes | standards | large scale fire tests | experiments | smoke flow | mass flow | flow rate | NFPA 2003 | sensitivity analysis
- Identifiers
- Fire Dynamics Simulator (FDS); high-elevation atrium CFD model; parametric study parameter values; linear regression parameters; approximate height of virtual origin
- Abstract
- The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) initiated a project to evaluate the balcony spill plume equation used in North American codes and standards (RP-1247). ASHRAE engaged the National Research Council of Canada (NRC) to use computational fluid dynamics (CFD) modeling and full-scale experiments to investigate smoke flow in balcony spill plumes and the resulting mechanical exhaust requirements for an atrium. This paper presents results of the CFD model study, which investigated the variation of plume mass flow rate with elevation in a simulated atrium. It includes a comparison of the model study to existing engineering correlations and a new correlation developed for the variation in mass flow rate with elevation for a balcony spill plume.