On formation of a stagnation zone in the flow between conical flame and flat obstacle

Результат исследования: Научные публикации в периодических изданияхстатья

Аннотация

The structure of a jet flow formed by the combustion products of conical propane-air flame and impinging onto a normally oriented flat cooled surface is studied experimentally. The velocity field is measured by the particle image velocimetry technique. Based on the non-intrusive measurements, formation of a recirculation zone in the flow between the flame cone and surface has been detected for the first time. Mechanism for the observed phenomenon is proposed. Presence of the low-intensity recirculation bubble on the jet axis can explain the effect of a heat transfer decrease near the stagnation point on the surface, observed in the previous studies.

Язык оригиналаанглийский
Страницы (с-по)317-320
Число страниц4
ЖурналThermophysics and Aeromechanics
Том25
Номер выпуска2
DOI
СостояниеОпубликовано - 1 мар 2018

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