Analysis of the Effects of Using Different Nozzles and Angle of Attack in Miniature Commercial Aircraft with Vertical Lift Using CFD

P.T. Aravindhan; P.T. Anandhan

doi:10.4028/www.scientific.net/AMR.984-985.1195

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 984-985Analysis of the Effects of Using Different Nozzles...

Analysis of the Effects of Using Different Nozzles and Angle of Attack in Miniature Commercial Aircraft with Vertical Lift Using CFD

Abstract:

— The objective of the work is to compare between convergent, convergent-divergent nozzle and to analyse which has better performance in a miniature aircraft having vertical lift system. Comparison is done by having 2° and 4° attack angle at a free stream mach no 0.8 and to find the variation of pressures around, drag. CFD analysis has been performed for the miniature aircraft. Pressure forces, viscous forces, pressure coefficient and viscous coefficient are found for convergent nozzle and convergent-divergent nozzle. Also pressure variation at 2 ° and 4 ° angle of attack for Airfoil types AIG(smart fish) and NACA(Conventional) are found. It was found convergent-divergent nozzle is best suited with vertical lift having exit jet velocity 2700m/s. It is also found that airfoil produce less drag when attack angle is 4 °

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Periodical:

Advanced Materials Research (Volumes 984-985)

Pages:

1195-1203

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.984-985.1195

Citation:

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Online since:

July 2014

Authors:

P.T. Aravindhan*, P.T. Anandhan

Keywords:

Aerodynamic, Aerofoil, CFD, Vertical Lift

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* - Corresponding Author

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