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Investigation of the flow structure and convective heat transfer in impinging swirling turbulent jets. / Sharaborin, D. K.; Dulin, V. M.; Nichik, M. Yu et al.

19th International Conference on the Methods of Aerophysical Research, ICMAR 2018. ed. / Fomin. Vol. 2027 American Institute of Physics Inc., 2018. 040063 (AIP Conference Proceedings; Vol. 2027).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Harvard

Sharaborin, DK, Dulin, VM, Nichik, MY & Markovich, DM 2018, Investigation of the flow structure and convective heat transfer in impinging swirling turbulent jets. in Fomin (ed.), 19th International Conference on the Methods of Aerophysical Research, ICMAR 2018. vol. 2027, 040063, AIP Conference Proceedings, vol. 2027, American Institute of Physics Inc., 19th International Conference on the Methods of Aerophysical Research, ICMAR 2018, Akademgorodok, Novosibirsk, Russian Federation, 13.08.2018. https://doi.org/10.1063/1.5065337

APA

Sharaborin, D. K., Dulin, V. M., Nichik, M. Y., & Markovich, D. M. (2018). Investigation of the flow structure and convective heat transfer in impinging swirling turbulent jets. In Fomin (Ed.), 19th International Conference on the Methods of Aerophysical Research, ICMAR 2018 (Vol. 2027). [040063] (AIP Conference Proceedings; Vol. 2027). American Institute of Physics Inc.. https://doi.org/10.1063/1.5065337

Vancouver

Sharaborin DK, Dulin VM, Nichik MY, Markovich DM. Investigation of the flow structure and convective heat transfer in impinging swirling turbulent jets. In Fomin, editor, 19th International Conference on the Methods of Aerophysical Research, ICMAR 2018. Vol. 2027. American Institute of Physics Inc. 2018. 040063. (AIP Conference Proceedings). doi: 10.1063/1.5065337

Author

Sharaborin, D. K. ; Dulin, V. M. ; Nichik, M. Yu et al. / Investigation of the flow structure and convective heat transfer in impinging swirling turbulent jets. 19th International Conference on the Methods of Aerophysical Research, ICMAR 2018. editor / Fomin. Vol. 2027 American Institute of Physics Inc., 2018. (AIP Conference Proceedings).

BibTeX

@inproceedings{3e9b97ff26434a46a40c8e7d9dd2339e,
title = "Investigation of the flow structure and convective heat transfer in impinging swirling turbulent jets",
abstract = "The present paper reports on the measurements of flow structure and heat transfer in swirling jets, impinging normally on a flat heated wall. Velocity field is measured by using the stereoscopic particle image velocimetry technique, whereas the wall temperature is monitored by IR imaging. Two cases of distances between the jet nozzle and impingement surface are considered, namely, one and two nozzle diameters. The Reynolds number is fixed as Re = 5000. Flows of non-swirling, weakly and strongly swirling jets are investigated. Only for the latter case in free jet flow configuration, the swirl intensity exceeds a critical value for breakdown of the swirling jet's vortex core, corresponding to the formation of a central recirculation zone. For the confined jet conditions, the superimposed swirl in both cases results in presence of an extended recirculation zone between the nozzle and impingement wall, which is found to reduce heat transfer around the stagnation point for the separation distance of two nozzle diameters. However, for the separation distance of one nozzle diameter, the high-swirl jet is found to provide most effective overall cooling of the wall.",
author = "Sharaborin, {D. K.} and Dulin, {V. M.} and Nichik, {M. Yu} and Markovich, {D. M.}",
note = "Publisher Copyright: {\textcopyright} 2018 Author(s).; 19th International Conference on the Methods of Aerophysical Research, ICMAR 2018 ; Conference date: 13-08-2018 Through 19-08-2018",
year = "2018",
month = nov,
day = "2",
doi = "10.1063/1.5065337",
language = "English",
volume = "2027",
series = "AIP Conference Proceedings",
publisher = "American Institute of Physics Inc.",
editor = "Fomin",
booktitle = "19th International Conference on the Methods of Aerophysical Research, ICMAR 2018",

}

RIS

TY - GEN

T1 - Investigation of the flow structure and convective heat transfer in impinging swirling turbulent jets

AU - Sharaborin, D. K.

AU - Dulin, V. M.

AU - Nichik, M. Yu

AU - Markovich, D. M.

N1 - Publisher Copyright: © 2018 Author(s).

PY - 2018/11/2

Y1 - 2018/11/2

N2 - The present paper reports on the measurements of flow structure and heat transfer in swirling jets, impinging normally on a flat heated wall. Velocity field is measured by using the stereoscopic particle image velocimetry technique, whereas the wall temperature is monitored by IR imaging. Two cases of distances between the jet nozzle and impingement surface are considered, namely, one and two nozzle diameters. The Reynolds number is fixed as Re = 5000. Flows of non-swirling, weakly and strongly swirling jets are investigated. Only for the latter case in free jet flow configuration, the swirl intensity exceeds a critical value for breakdown of the swirling jet's vortex core, corresponding to the formation of a central recirculation zone. For the confined jet conditions, the superimposed swirl in both cases results in presence of an extended recirculation zone between the nozzle and impingement wall, which is found to reduce heat transfer around the stagnation point for the separation distance of two nozzle diameters. However, for the separation distance of one nozzle diameter, the high-swirl jet is found to provide most effective overall cooling of the wall.

AB - The present paper reports on the measurements of flow structure and heat transfer in swirling jets, impinging normally on a flat heated wall. Velocity field is measured by using the stereoscopic particle image velocimetry technique, whereas the wall temperature is monitored by IR imaging. Two cases of distances between the jet nozzle and impingement surface are considered, namely, one and two nozzle diameters. The Reynolds number is fixed as Re = 5000. Flows of non-swirling, weakly and strongly swirling jets are investigated. Only for the latter case in free jet flow configuration, the swirl intensity exceeds a critical value for breakdown of the swirling jet's vortex core, corresponding to the formation of a central recirculation zone. For the confined jet conditions, the superimposed swirl in both cases results in presence of an extended recirculation zone between the nozzle and impingement wall, which is found to reduce heat transfer around the stagnation point for the separation distance of two nozzle diameters. However, for the separation distance of one nozzle diameter, the high-swirl jet is found to provide most effective overall cooling of the wall.

UR - http://www.scopus.com/inward/record.url?scp=85056358618&partnerID=8YFLogxK

U2 - 10.1063/1.5065337

DO - 10.1063/1.5065337

M3 - Conference contribution

AN - SCOPUS:85056358618

VL - 2027

T3 - AIP Conference Proceedings

BT - 19th International Conference on the Methods of Aerophysical Research, ICMAR 2018

A2 - Fomin, null

PB - American Institute of Physics Inc.

T2 - 19th International Conference on the Methods of Aerophysical Research, ICMAR 2018

Y2 - 13 August 2018 through 19 August 2018

ER -

ID: 17392198