EXPERIMENTAL OPTIMIZATION OF AERODYNAMIC DRAG COEFFICIENT OF A MINIBUS MODEL WITH NON-SMOOTH SURFACE PLATE APPLICATION

In this study non-smooth surface plate application was experimentally investigated to flow control around a scaled minibus model in a wind tunnel. 1/15 scaled minibus model and non-smooth surface plate were designed in SolidWorks® Cad program and produced in 3-D printer. It was focused on decrease o...

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Published in:Journal of engineering studies and research 2022-10, Vol.28 (4), p.34-40
Main Authors: Bayindirli, Cihan, Celik, Mehmet
Format: Article
Language:English
Subjects:
3-D printers
Aerodynamic drag
Design
Drag coefficients
Dynamic similarity
Efficiency
Emissions
Energy consumption
Experiments
Flow control
Flow separation
Flow velocity
Fluid flow
Greenhouse gases
Kinematics
Minibuses
Numerical analysis
Optimization
Reynolds number
Simulation
Three dimensional printing
Vehicles
Vortices
Wind tunnel testing
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Celik, Mehmet
description In this study non-smooth surface plate application was experimentally investigated to flow control around a scaled minibus model in a wind tunnel. 1/15 scaled minibus model and non-smooth surface plate were designed in SolidWorks® Cad program and produced in 3-D printer. It was focused on decrease of drag coefficient of vehicle with non-smooth surface plate by reducing flow separation. The experimental tests carried out 4 free stream velocities between the speed of 13.90-27.40 m/s and 2.62x105-5.18x105 Reynolds numbers. In wind tunnel tests Reynolds number independence was used to ensure dynamic similarity. The blockage rate was 10.68 %. It was determined that the using of non-smooth surface plate e on the front roof area of minibus model decreased to drag coefficient by an average of 1.03%. This reduction rate can decrease fuel consumption of vehicle about 0.5% at high speeds.
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source EZB Electronic Journals Library
subjects 3-D printers
Aerodynamic drag
Design
Drag coefficients
Dynamic similarity
Efficiency
Emissions
Energy consumption
Experiments
Flow control
Flow separation
Flow velocity
Fluid flow
Greenhouse gases
Kinematics
Minibuses
Numerical analysis
Optimization
Reynolds number
Simulation
Three dimensional printing
Vehicles
Vortices
Wind tunnel testing
title EXPERIMENTAL OPTIMIZATION OF AERODYNAMIC DRAG COEFFICIENT OF A MINIBUS MODEL WITH NON-SMOOTH SURFACE PLATE APPLICATION
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