Abstract
At the field scale, a strongly burning fire is a turbulent flow (Pitts 1991). In the strictest sense, there is no scientific definition of a turbulent flow regime, only a set of properties. For fire, these properties are described empirically through the following scenario (Santoni et al. 2006): in the gas phase, fire can extend over a large range of space and time scales that may extend up to three decades or more. These scales are organised into a cascade in which large-scale vortices transfer a large amount of mechanical energy to smaller vortices, which dissipate the energy through viscous forces. This cascade scales with a power law, in frequency or wavelength.
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Silvani, X. (2013). Beyond Measurement Devices. In: Metrology for Fire Experiments in Outdoor Conditions. SpringerBriefs in Fire. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7962-8_3
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DOI: https://doi.org/10.1007/978-1-4614-7962-8_3
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