AERODYNAMIC EVALUATION OF A MOTORCYCLE HELMET
Keywords:CFD simulation, helmet design, frontal area, drag coefficient
Traditionally, the product design has been based on physical experiments using different prototypes. Nowadays, the evolution of the computers has an important effect on the product design, it is based on the computer software from the conception phase. This paper presents an aerodynamic evaluation of a motorcycle helmet model using CFD simulation methods. The beginning of the evaluation includes the current state of the art regarding the computational methods for evaluate the aerodynamic performance of the motorcycle helmet, followed by the mathematical approach applied in this paper establishment of the airflow regime. Another part of the paper presents the CAD design of the motorcycle helmet modelled in five variants and performing the CFD simulation at 33.34 m/s airflow velocity for each helmet variant. The resulted aerodynamic force and the aerodynamic coefficient for each simulation model are discussed in the third part of the paper. The end of the paper presents the conclusions of this aerodynamic study, highlighting the advantages and disadvantages of using the CFD simulation to establish the helmet aerodynamics.
Bodea, S., Prodan, C., & Scurtu, I-L., (2018, October). The Aerodynamic Study of a Body Truck. In International Congress of Automotive and Transport Engineering, pp 73-79, Springer, Cham.
Balcau, M. (2021). Aerodynamic study of a car towing a motorcycle trailer. Journal of Automotive Engineering, ISSN 2457 – 5275, Vol. 27-1, pp 31-38.
Czyz, Z., Karpinski, P., & Sevdim, T. (2018). Numerical analysis of the drag coefficient of a motorcycle helmet. Applied Computer Science, 14(1).
Dubey, P., Pramod, M. Y., Kumar, A. S., & Kannan, B. T. (2020, November). Numerical simulation of flow over a racing motorbike using OpenFOAM. In AIP Conference Proceedings (Vol. 2277, No. 1, p. 030029). AIP Publishing LLC.
Jurco, A. N. (2021). Study of the influence of roof luggage box on a vehicle aerodynamics. Journal of Automotive Engineering, ISSN 2457 – 5275, Vol. 27-22, pp 15-38.
Kiraly, A. (2019). Optimizing the forms and dimensions of a field cultivator working knives. Journal of Industrial Design and Engineering Graphics, 14(1), pp 71-74, Online ISSN 2344-4681.
Kiraly,A., (2002) Grafica Inginereasca, Editura U.T.PRESS, ISBN 973-8335-35-3, Cluj-Napoca.
Malerba, M., & Conti, P. (2017). Influence of the rider seating position on motorcycle aerodynamic performance. Int. J. Eng. Sci. Innov. Technol, 6(1), pp 90-97.
Ljubomir, M., Dalibor, B., Andrija, B., & Hrvoje, K. (2018). Aerodynamic Design of a Solar Road Vehicle. International Journal of Automotive Technology, 19(6), pp 949-957.
Sathish Gandhi, V. C., Kumaravelan, R., Ramesh, S., Venkatesan, M., & Siva Rama Krishnan, M. (2014). Aerodynamic design and analysis of motorcycle helmet with anti-glare visor. Tehnicki glasnik, 8(1), pp 97-101.
Scurtu, I. L. (2021). Aerodynamic performance evaluation for a vehicle structure equipped with a bicycle rack. Journal of Automotive Engineering, ISSN 2457 – 5275, Vol. 27-22, pp 5-14.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.