Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers

Donghwi Lee; Taku Nonomura; Akira Oyama; Kozo Fujii

doi:10.1007/978-3-319-30602-5_74

Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers

Donghwi Lee, Taku Nonomura, Akira Oyama, Kozo Fujii

ENG - Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Two- (2D) and three-dimensional (3D) simulation of flow over a flat plate at various low Reynolds numbers (Re) are conducted. The predictability of instantaneous flow fields in the 2D simulation and variation of the flow field characteristics with Re are discussed in this study. The results show that 2D simulations can predict qualitative characteristics of averaged features such as surface pressure and skin friction coefficients. Moreover, two types of critical Re are specified; separation Re (Res) and bubble-length Re (Re_bl). Detailed analysis for the averaged pressure distribution predictability are performed by deriving a Reynolds averaged pressure gradient equation and budgeting each term.

Original language	English
Title of host publication	Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015
Editors	Antonio Segalini
Publisher	Springer Science and Business Media, LLC
Pages	603-611
Number of pages	9
ISBN (Print)	9783319306001
DOIs	https://doi.org/10.1007/978-3-319-30602-5_74
Publication status	Published - 2016
Event	5th International Conference on Jets, Wakes and Separated Flows, ICJWSF2015 - Stockholm, Sweden Duration: 2015 Jun 15 → 2015 Jun 18

Publication series

Name	Springer Proceedings in Physics
Volume	185
ISSN (Print)	0930-8989
ISSN (Electronic)	1867-4941

Conference

Conference	5th International Conference on Jets, Wakes and Separated Flows, ICJWSF2015
Country/Territory	Sweden
City	Stockholm
Period	15/6/15 → 15/6/18

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10.1007/978-3-319-30602-5_74

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Lee, D., Nonomura, T., Oyama, A., & Fujii, K. (2016). Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers. In A. Segalini (Ed.), Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015 (pp. 603-611). (Springer Proceedings in Physics; Vol. 185). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-3-319-30602-5_74

Lee, Donghwi ; Nonomura, Taku ; Oyama, Akira et al. / Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers. Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015. editor / Antonio Segalini. Springer Science and Business Media, LLC, 2016. pp. 603-611 (Springer Proceedings in Physics).

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title = "Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers",

abstract = "Two- (2D) and three-dimensional (3D) simulation of flow over a flat plate at various low Reynolds numbers (Re) are conducted. The predictability of instantaneous flow fields in the 2D simulation and variation of the flow field characteristics with Re are discussed in this study. The results show that 2D simulations can predict qualitative characteristics of averaged features such as surface pressure and skin friction coefficients. Moreover, two types of critical Re are specified; separation Re (Res) and bubble-length Re (Rebl). Detailed analysis for the averaged pressure distribution predictability are performed by deriving a Reynolds averaged pressure gradient equation and budgeting each term.",

author = "Donghwi Lee and Taku Nonomura and Akira Oyama and Kozo Fujii",

note = "Publisher Copyright: {\textcopyright} Springer International Publishing Switzerland 2016.; 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF2015 ; Conference date: 15-06-2015 Through 18-06-2015",

year = "2016",

doi = "10.1007/978-3-319-30602-5_74",

language = "English",

isbn = "9783319306001",

series = "Springer Proceedings in Physics",

publisher = "Springer Science and Business Media, LLC",

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Lee, D, Nonomura, T, Oyama, A & Fujii, K 2016, Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers. in A Segalini (ed.), Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015. Springer Proceedings in Physics, vol. 185, Springer Science and Business Media, LLC, pp. 603-611, 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF2015, Stockholm, Sweden, 15/6/15. https://doi.org/10.1007/978-3-319-30602-5_74

Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers. / Lee, Donghwi; Nonomura, Taku; Oyama, Akira et al.
Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015. ed. / Antonio Segalini. Springer Science and Business Media, LLC, 2016. p. 603-611 (Springer Proceedings in Physics; Vol. 185).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers

AU - Lee, Donghwi

AU - Nonomura, Taku

AU - Oyama, Akira

AU - Fujii, Kozo

N1 - Publisher Copyright: © Springer International Publishing Switzerland 2016.

PY - 2016

Y1 - 2016

N2 - Two- (2D) and three-dimensional (3D) simulation of flow over a flat plate at various low Reynolds numbers (Re) are conducted. The predictability of instantaneous flow fields in the 2D simulation and variation of the flow field characteristics with Re are discussed in this study. The results show that 2D simulations can predict qualitative characteristics of averaged features such as surface pressure and skin friction coefficients. Moreover, two types of critical Re are specified; separation Re (Res) and bubble-length Re (Rebl). Detailed analysis for the averaged pressure distribution predictability are performed by deriving a Reynolds averaged pressure gradient equation and budgeting each term.

AB - Two- (2D) and three-dimensional (3D) simulation of flow over a flat plate at various low Reynolds numbers (Re) are conducted. The predictability of instantaneous flow fields in the 2D simulation and variation of the flow field characteristics with Re are discussed in this study. The results show that 2D simulations can predict qualitative characteristics of averaged features such as surface pressure and skin friction coefficients. Moreover, two types of critical Re are specified; separation Re (Res) and bubble-length Re (Rebl). Detailed analysis for the averaged pressure distribution predictability are performed by deriving a Reynolds averaged pressure gradient equation and budgeting each term.

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Lee D, Nonomura T, Oyama A, Fujii K. Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers. In Segalini A, editor, Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows, ICJWSF 2015. Springer Science and Business Media, LLC. 2016. p. 603-611. (Springer Proceedings in Physics). doi: 10.1007/978-3-319-30602-5_74

Two- and three-dimensional numerical analysis for flow field characteristics at various low Reynolds numbers

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