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

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On formation of a stagnation zone in the flow between conical flame and flat obstacle. / Kravtsov, Z. D.; Tolstoguzov, R. V.; Chikishev, L. M. et al.

In: Thermophysics and Aeromechanics, Vol. 25, No. 2, 01.03.2018, p. 317-320.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{516e9f51d4674d1bb372cd7511cd7683,

title = "On formation of a stagnation zone in the flow between conical flame and flat obstacle",

abstract = "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.",

keywords = "convective heat transfer, impinging jet",

author = "Kravtsov, {Z. D.} and Tolstoguzov, {R. V.} and Chikishev, {L. M.} and Dulin, {V. M.}",

note = "Publisher Copyright: {\textcopyright} 2018, Pleiades Publishing, Ltd.",

year = "2018",

month = mar,

day = "1",

doi = "10.1134/S0869864318020178",

language = "English",

volume = "25",

pages = "317--320",

journal = "Thermophysics and Aeromechanics",

issn = "0869-8643",

publisher = "PLEIADES PUBLISHING INC",

number = "2",

}

RIS

TY - JOUR

T1 - On formation of a stagnation zone in the flow between conical flame and flat obstacle

AU - Kravtsov, Z. D.

AU - Tolstoguzov, R. V.

AU - Chikishev, L. M.

AU - Dulin, V. M.

PY - 2018/3/1

Y1 - 2018/3/1

N2 - 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.

AB - 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.

KW - convective heat transfer

KW - impinging jet

UR - http://www.scopus.com/inward/record.url?scp=85048658828&partnerID=8YFLogxK

U2 - 10.1134/S0869864318020178

DO - 10.1134/S0869864318020178

M3 - Article

AN - SCOPUS:85048658828

VL - 25

SP - 317

EP - 320

JO - Thermophysics and Aeromechanics

JF - Thermophysics and Aeromechanics

SN - 0869-8643

IS - 2

ER -

ID: 14048253