Entrainment of air into a balcony spill plume (2006)
This article examines various uncertainties relating to calculation methods for the balcony spill plume. The approach of physical scale modeling is used in the analysis. Comparisons are made between experimental results and predictions made using these calculation methods. This work has demonstrated that the presence of a downstand from the soffit at the spill edge of a compartment opening appears to have little effect on the entrainment of air into the subsequent spill plume. A simplified spill plume formula has also been developed to predict the mass flow rate of gases, which inherently includes entrainment of air into the free ends
CitationHarrison, R., Spearpoint, M.J. (2006) Entrainment of air into a balcony spill plume. Journal of Fire Protection Engineering, 16(3), pp. 211-245.
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Keywordsbalcony spill plume; downstand; smoke ventilation; entrainment
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The Balcony Spill Plume: Entrainment of Air into a Flow from a Compartment Opening to a Higher Projecting Balcony Harrison, R.; Spearpoint, M. (University of Canterbury. Civil and Natural Resources Engineering., 2007)In the design of smoke ventilation systems, a crucial input parameter for balcony spill plume calculations is the mass flow rate of gases at the spill edge. In some cases, depending upon the specific geometry, these ...
Physical scale modeling of smoke contamination in upper balconies by a channeled balcony spill plume in an atrium Tan, F.; Harrison, R.; Spearpoint, M.J. (University of Canterbury. Civil and Natural Resources Engineering, 2010)Whether the balcony spill plume will rise unhindered as a free plume or curl inward and interact with the atrium structure is dependent upon a number of factors. Not all the factors are well investigated and wholly understood, ...
Harrison, R.; Spearpoint, M. (University of Canterbury. Civil and Natural Resources Engineering, 2009)Smoke management design for buildings such as atria and multi-level complexes often requires consideration of smoke produced from a balcony spill plume. This work provides new experimental data to characterise entrainment ...