Numerical Study Of Aerodynamic Performance Of Dimple On Commercial Bus (Pioneer Coach Builder)

Mohd Azli Lee, Mohamad Fakhrul Fuad (2018) Numerical Study Of Aerodynamic Performance Of Dimple On Commercial Bus (Pioneer Coach Builder). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, rising fuel make the road transport uneconomical (Muthuvel et al. 2013). This project deals with the study effect of Dimple Shape Optimization on the surface of the Pioneer Coach Builder (PCB) bus as a Drag Reduction Device. The objective of this project is to construct the 3D data of the bus design from Pioneer Coach Builder Company. In order to achieve this project requirement, the CAD data is generated which is from 2D drawing of PCB bus. Then the 3D data of the bus design can be construct with the optimize dimple on the surface of the PCB bus. Based on the parameter obtain, a 3D PCB bus model with optimize dimple was made and will be analysed. Next, the second and third objective is to apply the optimize dimple shape on the surface of the bus as reduction device and to validate the performance of dimple shape on the surface of the bus as drag reduction towards fuel consumption. Spalart-Allmaras will be used to obtain the data. From the analysing result, the drag coefficient will be calculated and reduced the fuel consumption. The percentage of fuel used to overcome aerodynamic drag, G for benchmark model and optimize model is 0.3 %. Thus, the objective had been achieved.

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