Aerodynamic Analysis of the Preliminary Design of SURIAKAR 4 Using CFD

Lai Gwo Sung; Wan Zaidi Wan Omar; Ahmad Zafri Zainudin; S. Mansor; Tholudin Mat Lazim

doi:10.4028/www.scientific.net/AMM.629.507

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 629Aerodynamic Analysis of the Preliminary Design of...

Aerodynamic Analysis of the Preliminary Design of SURIAKAR 4 Using CFD

Abstract:

A four-wheel solar car, the SURIAKAR 4, was designed based on the revised regulations of the Challenger Class World Solar Challenge (2013). It is a four-wheel car with the front and back wheels enclosed in a wind cheating cover. The cockpit is located in such a way that it sits between the front and rear wheel, within the wheel cover on the right side of the car. This paper investigates the aerodynamic characteristics of the car, especially the drag and lift forces, and other forces and moments that determine the stability of the car using CFD package ANSYS Fluent. The model analysis was done with 2.23 million elements after a thorough grid independence study was conducted. The drag coefficient of SURIAKAR 4 is 0.1817. With a frontal area of 0.8934 m²and at the design speed, the car requires 2132 W of power to overcome this aerodynamic drag. The results also showed that the airflow quality around the car is relatively well-behaved, with only a few turbulent flow points identified. This flow incurs drag penalty and thus have to be modified.

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Periodical:

Applied Mechanics and Materials (Volume 629)

Pages:

507-512

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.629.507

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Online since:

October 2014

Authors:

Lai Gwo Sung, Wan Zaidi Wan Omar*, Ahmad Zafri Zainudin, S. Mansor, Tholudin Mat Lazim

Keywords:

Aerodynamic Forces, Aerodynamic Moments, Computational Fluid Dynamics (CFD), Solar Car Aerodynamics, Solar Power

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