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- Title
Emulation of condensed fuel flames with gaseous fuels supplied through a porous copper calorimeter.
- Authors
Auth, Eric; Quintiere, James G.; Sunderland, Peter B.
- Abstract
Summary: The burning rate emulator (BRE) is a burner that emulates condensed fuel flames using gaseous fuel/inert mixtures by matching four properties: the heat of combustion; the heat of gasification; the laminar smoke point; and the surface temperature. Matching the heat of gasification requires measuring the burner heat flux, for which the BRE has embedded heat flux gauges and a copper top‐plate calorimeter. Seven condensed fuels were emulated: acetone, ethanol, methanol, polyethylene, polymethylmethacrylate, polypropylene, and polystyrene. The gaseous fuels were methane, ethylene, and propylene, diluted with nitrogen. Emulation data and flame images are shown to demonstrate emulation accuracy. A new method of emulation is developed that shifts the focus on which properties are prioritized and yields ~15% improvement in flame height. Calibration and use of the calorimeter are shown to have improved accuracy (within 5%) which provides confidence in the results.
- Subjects
FUEL; FLAME; HEAT of combustion; CALORIMETERS; METHANE as fuel; METHANOL as fuel
- Publication
Fire & Materials, 2020, Vol 44, Issue 7, p935
- ISSN
0308-0501
- Publication type
Article
- DOI
10.1002/fam.2896