Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller

The advancement of computer technology has given the necessary impetus to perform numerical modelling and simulation in engineering. Turbulence modelling in Computational Fluid Dynamics is characterized by non-physics based modelling and there are several developments in this area that also has cont...

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Autor principal:	Aravind SEENI
Formato:	article
Lenguaje:	EN
Publicado:	National Institute for Aerospace Research “Elie Carafoli” - INCAS 2021
Materias:	turbulence models uav propeller propeller performance low reynolds number numerical accuracy computational cost Motor vehicles. Aeronautics. Astronautics TL1-4050
Acceso en línea:	https://doaj.org/article/a06e592d68fd4cc0871816fcf67b3637
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spelling	oai:doaj.org-article:a06e592d68fd4cc0871816fcf67b36372021-12-05T21:31:09ZEffect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller10.13111/2066-8201.2021.13.4.132066-82012247-4528https://doaj.org/article/a06e592d68fd4cc0871816fcf67b36372021-12-01T00:00:00Zhttps://bulletin.incas.ro/files/seeni__vol_13_iss_4.pdfhttps://doaj.org/toc/2066-8201https://doaj.org/toc/2247-4528The advancement of computer technology has given the necessary impetus to perform numerical modelling and simulation in engineering. Turbulence modelling in Computational Fluid Dynamics is characterized by non-physics based modelling and there are several developments in this area that also has contributed to the growing rise in empiricism. Typically, turbulence models are chosen based on expert knowledge and experience. In this paper, the problem of selecting a turbulence closure is addressed for a small Unmanned Aerial Vehicle propeller rotating at a low Reynolds number. Using scientific approaches, verification and validation of performance data against experimental results have been performed for a selected number of turbulence model candidates available in the well-known finite-volume solver Fluent. Modified bivariate plots of performance data error reveal a few numbers of strong candidates of turbulence closures for this problem. After performing a series of checks for consistency, accuracy and computational cost, the two-equation standard k-ω is selected as the preferred model for further propeller simulations.Aravind SEENINational Institute for Aerospace Research “Elie Carafoli” - INCASarticleturbulence modelsuav propellerpropeller performancelow reynolds numbernumerical accuracycomputational costMotor vehicles. Aeronautics. AstronauticsTL1-4050ENINCAS Bulletin, Vol 13, Iss 4, Pp 151-166 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	turbulence models uav propeller propeller performance low reynolds number numerical accuracy computational cost Motor vehicles. Aeronautics. Astronautics TL1-4050
spellingShingle	turbulence models uav propeller propeller performance low reynolds number numerical accuracy computational cost Motor vehicles. Aeronautics. Astronautics TL1-4050 Aravind SEENI Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller
description	The advancement of computer technology has given the necessary impetus to perform numerical modelling and simulation in engineering. Turbulence modelling in Computational Fluid Dynamics is characterized by non-physics based modelling and there are several developments in this area that also has contributed to the growing rise in empiricism. Typically, turbulence models are chosen based on expert knowledge and experience. In this paper, the problem of selecting a turbulence closure is addressed for a small Unmanned Aerial Vehicle propeller rotating at a low Reynolds number. Using scientific approaches, verification and validation of performance data against experimental results have been performed for a selected number of turbulence model candidates available in the well-known finite-volume solver Fluent. Modified bivariate plots of performance data error reveal a few numbers of strong candidates of turbulence closures for this problem. After performing a series of checks for consistency, accuracy and computational cost, the two-equation standard k-ω is selected as the preferred model for further propeller simulations.
format	article
author	Aravind SEENI
author_facet	Aravind SEENI
author_sort	Aravind SEENI
title	Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller
title_short	Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller
title_full	Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller
title_fullStr	Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller
title_full_unstemmed	Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller
title_sort	effect of turbulence models in performance characterization of a low reynolds number uav propeller
publisher	National Institute for Aerospace Research “Elie Carafoli” - INCAS
publishDate	2021
url	https://doaj.org/article/a06e592d68fd4cc0871816fcf67b3637
work_keys_str_mv	AT aravindseeni effectofturbulencemodelsinperformancecharacterizationofalowreynoldsnumberuavpropeller
_version_	1718370961778016256

Effect of Turbulence Models in Performance Characterization of a Low Reynolds Number UAV Propeller

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