Study and development of the drag reduction system for go-kart

Julianous, Ketihus (2014) Study and development of the drag reduction system for go-kart. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Aerodynamic is an important element that needs to be considered in designation of a race car to achieve the top speed instead of depending only on the engine horsepower. In development of race car, engineer’s goal is to provide enough downforce, and minimum aerodynamic drag. The innovative of aerodynamic design affects the speed of a race car, means the more aerodynamic of the car, the faster the speed of the vehicle and vice versa. However, there are two enemies or constrains that may affect speed in race car aerodynamics which is excess in drag force and lack of downforce. The drag is the resultant force in the direction of the upstream velocity; it opposes the forward motion of the vehicle. Excess in drag (wind resistance) reducing the effectiveness of the time and requires more horsepower for the engine to achieve top speed. Lack of downforce can reduce the traction and road grip. Therefore, this paper addresses the study and development of Drag Reduction System (DRS) for go-kart, a current technology in aerodynamics world. DRS are an adjustable rear wings used in Formula One cars to facilitate overtaking by reducing the drag and at the same time reducing downforce. In order to prove this hypothesis, DRS need to be developed in this project. Then its performance is tested in simulation and real world test (static test). In the same time, front and rear wing also required to be fabricated. Development of wings and DRS begins with conducting a literature study on previous research by several experts and follow by designing wings model. Process continues with fabrication and development. The final product are tested in real world environment and simulated by using Solidworks Flow Simulation. The purpose of this tests are to obtain the performance of the final product and comparing both results in term of aerodynamics element. The reduction of both aerodynamics forces must be at least reducing lower than the initial values.

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