The numerical analysis of NACA 0018 airfoil: Studying the effect of flap

Armaan Aditya, G. Srinivas

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An airfoil is basically a cross-section of the wing or a blade (in case of rotor or propeller). Flap is such a device which is used to increase the amount of lift generated by an airfoil. As the flaps are deployed the curvature (or camber) of the wing increases which leads to an increment in the lift coefficient of the wing. During take-off the required lift cannot be generated alone by the wings because of the slow speed and thus flaps are deployed. During flight when air flow over the wings starts detaching from the wing surface it leads to flow separation and thus stall of the aircraft. The stall is a severe phenomenon which can lead to sudden loss of lift and thus can be fatal for the aircraft. This paper deals with numerical analysis of NACA 0018 airfoil. Initially, 2D NACA 0018 clean airfoil has been modelled and simulated to obtain lift and drag coefficients. The results were validated by comparing it to standard data. Based on previous simulation a flap was added to the airfoil and then analysis was conducted to get lift and drag. Results obtained for both clean and flap airfoil were compared and the changes in lift and drag forces were tabulated. This paper will benefit and provide a base to researchers, aerodynamicists etc. who want to carry out work in the field of 2D airfoil. Standard SST k-ω turbulence model was used in ANSYS Fluent to conduct the simulation.

Original languageEnglish
Pages (from-to)1047-1054
Number of pages8
JournalInternational Journal of Mechanical and Production Engineering Research and Development
Volume9
Issue number4
DOIs
Publication statusPublished - 31-08-2019
Externally publishedYes

Fingerprint

Airfoils
Numerical analysis
Flaps
Drag
Aircraft
Cambers
Flow separation
Drag coefficient
Takeoff
Propellers
Turbulence models
Turbomachine blades
Rotors
Air

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

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abstract = "An airfoil is basically a cross-section of the wing or a blade (in case of rotor or propeller). Flap is such a device which is used to increase the amount of lift generated by an airfoil. As the flaps are deployed the curvature (or camber) of the wing increases which leads to an increment in the lift coefficient of the wing. During take-off the required lift cannot be generated alone by the wings because of the slow speed and thus flaps are deployed. During flight when air flow over the wings starts detaching from the wing surface it leads to flow separation and thus stall of the aircraft. The stall is a severe phenomenon which can lead to sudden loss of lift and thus can be fatal for the aircraft. This paper deals with numerical analysis of NACA 0018 airfoil. Initially, 2D NACA 0018 clean airfoil has been modelled and simulated to obtain lift and drag coefficients. The results were validated by comparing it to standard data. Based on previous simulation a flap was added to the airfoil and then analysis was conducted to get lift and drag. Results obtained for both clean and flap airfoil were compared and the changes in lift and drag forces were tabulated. This paper will benefit and provide a base to researchers, aerodynamicists etc. who want to carry out work in the field of 2D airfoil. Standard SST k-ω turbulence model was used in ANSYS Fluent to conduct the simulation.",
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The numerical analysis of NACA 0018 airfoil : Studying the effect of flap. / Aditya, Armaan; Srinivas, G.

In: International Journal of Mechanical and Production Engineering Research and Development, Vol. 9, No. 4, 31.08.2019, p. 1047-1054.

Research output: Contribution to journalArticle

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