2014
DOI: 10.1080/13647830.2014.971058
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Abstract: In this work, two-dimensional hot spots are modelled by combining a linear temperature gradient with a constant temperature plateau. This approach retains the simplicity of a linear temperature gradient, but captures the effects of a local temperature maximum of finite size. Symmetric and asymmetric plateau regions are modelled using both rectangular and elliptical geometries. A one-step Arrhenius reaction for H 2 -air is used to model the reactive mixture. Plateaus with different ratios of excitation to acous… Show more

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Cited by 6 publications
(18 citation statements)
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“…Kurtz and Regele [31,32] investigated more realistic hotspot temperature profiles, by including a hotspot center of finite size in shape of an isothermal plateau. Plateaus of sufficient size were shown to induce DDT in gradient which on their own would not.…”
Section: Hotspot Modelingmentioning
confidence: 99%
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“…Kurtz and Regele [31,32] investigated more realistic hotspot temperature profiles, by including a hotspot center of finite size in shape of an isothermal plateau. Plateaus of sufficient size were shown to induce DDT in gradient which on their own would not.…”
Section: Hotspot Modelingmentioning
confidence: 99%
“…Hotspots in thermally stratified fields generally take some curved shape with a local maximum, the hotspot core, surrounded by a gradient region, the hotspot body, in which the temperature either drops of to some ambient condition or into a neighboring cold pocket. Recent efforts sought to investigate the influence of the hotspot core on the reaction of the surrounding hotspot body, by modeling the local maximum at the hotspot center as an isothermal plateau [31,32]. Using an acoustic timescale characterization approach of the hotspot plateau an a-priori prediction of the gas dynamic response could be made.…”
Section: Objectives and Organizationmentioning
confidence: 99%
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