Toward direct numerical simulation of aeroacoustic field around airfoil using multi-scale lattice boltzmann method

K. Kusano, K. Yamada, M. Furukawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Lattice Boltzmann method (LBM) has a potential to simulate airfoil self-noise with low Mach number flow including turbulent flow and aerodynamic feedback loops. In this study, the computational techniques concerning LBM were developed toward direct numerical simulation of aeroacoustic fields with low Mach number. For applications of multi-scale phenomena such as flow and acoustic fields, multi-scale model was introduced, which enables to use locally refined grids. The grids were efficiently arranged using the Building-Cube Method (BCM) by dividing the computational domain into multiple blocks with various grid sizes. Furthermore, the zonal DNS and LES approach was adopted to suppress the numerical instability in the region of coarse grids. The grid dependency of the results provided by the present numerical method was investigated by two-dimensional simulations of flow fields around a NACA0012 airfoil using four different grids. Furthermore, a three-dimensional simulation of flow around a NACA0018 airfoil with moderate Reynolds number was conducted. The computational results were compared and have a good agreement with the experimental ones. The present method can simulate flow around airfoil with moderate Reynolds number involving the laminar-to-turbulent transition.

Original languageEnglish
Title of host publicationASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013
DOIs
Publication statusPublished - Dec 1 2013
EventASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013 - Incline Village, NV, United States
Duration: Jul 7 2013Jul 11 2013

Publication series

NameAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM
Volume1 A
ISSN (Print)0888-8116

Other

OtherASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013
CountryUnited States
CityIncline Village, NV
Period7/7/137/11/13

Fingerprint

Aeroacoustics
Direct numerical simulation
Airfoils
Mach number
Flow fields
Reynolds number
Acoustic fields
Turbulent flow
Numerical methods
Aerodynamics
Feedback

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

Kusano, K., Yamada, K., & Furukawa, M. (2013). Toward direct numerical simulation of aeroacoustic field around airfoil using multi-scale lattice boltzmann method. In ASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013 [V01AT09A005] (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM; Vol. 1 A). https://doi.org/10.1115/FEDSM2013-16526

Toward direct numerical simulation of aeroacoustic field around airfoil using multi-scale lattice boltzmann method. / Kusano, K.; Yamada, K.; Furukawa, M.

ASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013. 2013. V01AT09A005 (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM; Vol. 1 A).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kusano, K, Yamada, K & Furukawa, M 2013, Toward direct numerical simulation of aeroacoustic field around airfoil using multi-scale lattice boltzmann method. in ASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013., V01AT09A005, American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, vol. 1 A, ASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013, Incline Village, NV, United States, 7/7/13. https://doi.org/10.1115/FEDSM2013-16526
Kusano K, Yamada K, Furukawa M. Toward direct numerical simulation of aeroacoustic field around airfoil using multi-scale lattice boltzmann method. In ASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013. 2013. V01AT09A005. (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM). https://doi.org/10.1115/FEDSM2013-16526
Kusano, K. ; Yamada, K. ; Furukawa, M. / Toward direct numerical simulation of aeroacoustic field around airfoil using multi-scale lattice boltzmann method. ASME 2013 Fluids Engineering Division Summer Meeting, FEDSM 2013. 2013. (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM).
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