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The structure of the blue whirl revealed – Science Advances
The blue whirl is a small, stable, spinning blue flame that evolved spontaneously in recent laboratory experiments while studying turbulent, sooty fire whirls. It burns a range of different liquid hydrocarbon fuels cleanly with no soot production, presenting …
INTRODUCTION
A blue whirl, shown in Fig. 1A, is a small, soot-free blue flame that was discovered serendipitously while performing experimental studies of fire whirls burning liquid hydrocarbon fuels on a water base (1). Although fire whirls are dangerous, violent, turbulent eddies of fire, they can be created in (relatively) safe, confined conditions for laboratory study…
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