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    Taşıtlarda Araç Altının Tamamen Kapalı Olmasının Lift Kuvvetine Etkisinin Analiz Edilmesi
    (Selçuk Üniversitesi Fen Bilimleri Ensititüsü, 2023) Ahraz, Mehmet Enes; Ciniviz, Murat
    Like developments in every field, developments in vehicle technology are also about performance enhancement. Performance enhancement briefly means to increase the efficiency of the vehicle, in other words, it is the best use of the power obtained from the energy source used in the vehicle to provide maximum speed, acceleration, uphill capacity and economy, which is one of the most important factors in today's world. The automotive industry has focused on minimizing fuel consumption and finding new energy sources by using all its means, especially because of today's increasing oil prices and the toxic gases released as a result of the combustion of petroleum products adversely affect human health. One of these studies is to reduce the effect of resistance on the vehicle. The way to reduce these resistances is to know the effects of the resistances on the vehicle well. These resistances are; rolling resistance, hill resistance, inertia resistance, powertrain resistance and aerodynamic resistance. Aerodynamics was previously only used in ship and aircraft designs because it was directly related to these areas. Aircraft and ship designers were very experienced in this regard and could easily use these features of birds and fish, which could be the best model for them, in their designs, by minimizing energy consumption both in air and in water. They were able to extract many features necessary for them from the designs they created inspired by nature. But there was no similar natural pattern for land vehicles. That's why auto designers tried to integrate ship and airplane shapes in their designs. But they realized that these studies were wrong. As they moved away from this unsuccessful integration process, automobile aerodynamics gained momentum forward. It is noteworthy that the bottom of the upper segment vehicles used today is completely closed. This allows these vehicles to show better handling, better maneuverability and better acceleration performance. In this study, it will be analyzed in computer environment how the bottom of the vehicles affects the aerodynamic forces.