Effect of wall heating on the characteristics of near-wall reverse flow events occurring in a turbulent duct

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Effect of wall heating on the characteristics of near-wall reverse flow events occurring in a turbulent duct. / Chuprov, I. V.; Ivashchenko, V. A.; Mullyadzhanov, R. I. et al.

In: Journal of Applied Mechanics and Technical Physics, Vol. 65, No. 1, 02.2024, p. 112-120.

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

BibTeX

@article{7ab4eb1609564d099b01533134ff641c,

title = "Effect of wall heating on the characteristics of near-wall reverse flow events occurring in a turbulent duct",

abstract = "Direct numerical simulation is used to study the effect of wall heating on the characteristics of a near-wall reverse flow during a turbulent stream of various coolants in a duct. A temperature field is considered both in a passive scalar approximation and in a low Mach number approximation. Qualitative and quantitative results are obtained that characterize the probability of occurrence of a near-wall reverse flow in all the cases considered at a Reynolds number based on mean flow velocity and duct half-height. It is revealed that, in the cases considered, the wall heating causes a two- or a threefold increase in the probability of near-wall reverse flow formation.",

keywords = "direct numerical simulation, low Mach number approximation, near-wall reverse flow, passive scalar",

author = "Chuprov, {I. V.} and Ivashchenko, {V. A.} and Mullyadzhanov, {R. I.} and Zaripov, {D. I.}",

note = "This work was financially supported by the Russian Science Foundation (Grant No. 22-29-01274).",

year = "2024",

month = feb,

doi = "10.1134/S0021894424010139",

language = "English",

volume = "65",

pages = "112--120",

journal = "Journal of Applied Mechanics and Technical Physics",

issn = "0021-8944",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "1",

}

RIS

TY - JOUR

T1 - Effect of wall heating on the characteristics of near-wall reverse flow events occurring in a turbulent duct

AU - Chuprov, I. V.

AU - Ivashchenko, V. A.

AU - Mullyadzhanov, R. I.

AU - Zaripov, D. I.

N1 - This work was financially supported by the Russian Science Foundation (Grant No. 22-29-01274).

PY - 2024/2

Y1 - 2024/2

N2 - Direct numerical simulation is used to study the effect of wall heating on the characteristics of a near-wall reverse flow during a turbulent stream of various coolants in a duct. A temperature field is considered both in a passive scalar approximation and in a low Mach number approximation. Qualitative and quantitative results are obtained that characterize the probability of occurrence of a near-wall reverse flow in all the cases considered at a Reynolds number based on mean flow velocity and duct half-height. It is revealed that, in the cases considered, the wall heating causes a two- or a threefold increase in the probability of near-wall reverse flow formation.

AB - Direct numerical simulation is used to study the effect of wall heating on the characteristics of a near-wall reverse flow during a turbulent stream of various coolants in a duct. A temperature field is considered both in a passive scalar approximation and in a low Mach number approximation. Qualitative and quantitative results are obtained that characterize the probability of occurrence of a near-wall reverse flow in all the cases considered at a Reynolds number based on mean flow velocity and duct half-height. It is revealed that, in the cases considered, the wall heating causes a two- or a threefold increase in the probability of near-wall reverse flow formation.

KW - direct numerical simulation

KW - low Mach number approximation

KW - near-wall reverse flow

KW - passive scalar

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85201722174&origin=inward&txGid=feee794bb8834b147db79ee66e6cbefb

UR - https://www.elibrary.ru/item.asp?id=68611513

UR - https://www.mendeley.com/catalogue/54389e84-0a09-3c1c-a830-e709aa318148/

U2 - 10.1134/S0021894424010139

DO - 10.1134/S0021894424010139

M3 - Article

VL - 65

SP - 112

EP - 120

JO - Journal of Applied Mechanics and Technical Physics

JF - Journal of Applied Mechanics and Technical Physics

SN - 0021-8944

IS - 1

ER -

ID: 60532229