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Numerical Analysis of the Wall Effect on Flow Around Airfoil Subjected to a Pitching Movement

  • Research Article - Mechanical Engineering
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Abstract

In this work, we discuss the problem of the flow around a NACA0012 airfoil subjected to a pitching movement. The set of flow equations coupled with solid movement is solved with a finite element method using ANSYS program. Results show that our numerical model presents a good agreement in comparison with the experimental and the numerical results available in the literature. Next, the airfoil pitching movement is analyzed with the presence of the wall in the flow. It is shown that, the wall has a significant effect on aerodynamic parameters of airfoil. It found that the wall slows down the flow.

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Abbreviations

b :

Length of the airfoil span (m)

c :

Airfoil chord length (m)

CD:

Drag coefficient

CL:

Lift coefficient

CP:

Pressure coefficient

f :

Frequency of the pitching motion \((\hbox {s}^{-1})\)

\(F_\mathrm{D}\) :

The drag force

\(F_\mathrm{L}\) :

The lift force

p :

The pressure

\(p_{\infty }\) :

The free stream static pressure

\(U_{\infty }\) :

Free stream velocity (\(\hbox {m}\,{\hbox {s}^{-1}}\))

t :

Time, (s)

k :

Reduced frequency (\(k=\frac{\pi fc}{U_\infty }\))

Re :

Reynlods number (\({Re}=\frac{\rho U_\infty c}{\mu }\))

\(\rho \) :

Fluid density \((\hbox {kg}\,\hbox {m}^{-3})\)

\(\alpha \) :

Mean angle of attack (deg)

\(\mu \) :

Fluid dynamic viscosity(Pa s)

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Authors and Affiliations

  1. Laboratory of Mechanics, Physics, and Mathematical Modelling (LMP2M), University of Medea, 26000, Medea, Algeria

    Farouk Ziane & Abdellah Abdellah El-Hadj

Authors
  1. Farouk Ziane
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  2. Abdellah Abdellah El-Hadj
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Correspondence to Farouk Ziane.

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Ziane, F., Abdellah El-Hadj, A. Numerical Analysis of the Wall Effect on Flow Around Airfoil Subjected to a Pitching Movement. Arab J Sci Eng 43, 1061–1069 (2018). https://doi.org/10.1007/s13369-017-2701-1

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  • DOI: https://doi.org/10.1007/s13369-017-2701-1

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