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Hollow three-dimensional model for fuel reduction in aviation industry

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In the past two years, the pandemic situation has affected the aviation industry drastically. This situation starts to change, gradually, which is about to highly increase the international air travel around the world. Commercial air transport emission contributes a significant amount to global warming. Hence, in this research, to reduce the fuel consumption in commercial aircraft the aerodynamic surface of the wing is improved with the help of a hollow model in three dimensions. This biomimetic model named Raw Riblet was derived from a shark’s skin texture. The cross-section of the wing was (NACA 0012) designed and the Raw Riblet model was implemented in two different ways, computationally, and formulated biomimetic aerofoil models such as BRR and LRR (0.455). All these aerofoil models were analysed in high-speed airflow, computationally, and the aerodynamic performance values were noted. All the computational results were validated, and the result analysis showed a promising decrease in viscous drag of up to 11%. Both biomimetic models performed well in disturbance reduction when compared to the NACA model. This improved aerodynamic surface with reduced drag would decrease the fuel consumption in aircraft. This computational model would help us to fight the war against global warming.

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Change history

  • 25 May 2022

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Hollow patterned biomimetic aerofoil




National advisory committee for aeronautics


Raw riblet


Three dimension

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Correspondence to Siva Marimuthu.

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Marimuthu, S., Natarajan, M., Ramesh, R. et al. Hollow three-dimensional model for fuel reduction in aviation industry. Int J Interact Des Manuf (2022).

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  • Aerofoil
  • Biomimetics
  • Computational fluid dynamics
  • Transonic flow
  • Viscous reduction