Numerical and experimental study on the flame flow field near the fuel nozzle tip

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dc.contributor.authorHoang, Long Duong
dc.contributor.authorTien, Van Truong
dc.contributor.authorQuoc, Cuong Dang
dc.contributor.authorQuang, Dinh Phan
dc.date.accessioned2026-02-10T08:04:08Z
dc.date.available2026-02-10T08:04:08Z
dc.date.issued2025
dc.description8 p.
dc.description.abstractThe generation of a recirculation zone in jet flow has recently been demonstrated to influence flame stability and soot formation. In this study, we conducted both experiments and numerical simulations to elucidate the mechanisms underlying vortex formation in laminar coflow diffusion flames. Numerical models were developed by incorporating various parameters, including fuel density, jet velocity, fuel temperature, and ambient air temperature. The flow patterns near the nozzle indicated how these parameters affect the development of the recirculation zone. Simulation results were validated against experimental data. Among the studied parameters, fuel density, jet velocity, and nozzle diameter emerged as the primary factors influencing recirculation flow, whereas fuel and ambient air temperatures exerted secondary effects. Detailed analysis of each parameter unveiled critical conditions at which the recirculation zone forms.
dc.identifier.citationNguyen Tat Thanh University. (2025). Journal of Science and Technology - NTTU, Volume 8, Issue 8. ISSN 2615-9015
dc.identifier.issn2615-9015
dc.identifier.urihttps://repository.ntt.edu.vn/handle/298300331/1256
dc.language.isoen
dc.publisherNguyen Tat Thanh University
dc.relation.ispartofseriesJournal of Science and Technology - NTTU; Volume 8, Issue 8
dc.subjectNegative buoyancy
dc.subjectDiffusion flame
dc.subjectJetflame
dc.subjectRecirculation
dc.titleNumerical and experimental study on the flame flow field near the fuel nozzle tip
dc.typeArticle
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