CFD Analysis of Aerodynamics Drag Reduction and Improving Fuel Economy

A tétel rövid nézete
dc.contributor.advisorHajdu, Sándor
dc.contributor.authorFarooq, Umar
dc.contributor.departmentDE--Műszaki Kar
dc.date.accessioned2025-06-24T13:12:40Z
dc.date.available2025-06-24T13:12:40Z
dc.date.created2025-05-15
dc.description.abstractThe main objective of this thesis is to examine and analyze the effects of several aerodynamic modifications on truck model drag reduction and fuel consumption using Computational Fluid Dynamics (CFD) simulations. The study began by Ahmed body standard for guaranteeing the precision and reliability of simulations to validate the CFD model. After the successful validation process, a created a CAD model of truck and modified by different aerodynamics attachments and achieved results by CFD analysis, aimed to decrease drag and improve fuel efficiency. At first the coefficient of drag (Cd) value for the base truck model was 1.209. By implementing the initial set of modifications which included gap filling and front fairing drag coefficient was lowered to 1.065 and resulted in an 11.91% reduction in drag. Further aerodynamic modifications included the teardrop shape, resulted in further coefficient drag was lowered 1.075 and the percentage of drag reduction slightly decreased at 11.08%. In the addition of tail fairing in together with the previous modification the result was more significant in drag reduction with Cd falling 0.861 and 28.78% reduction. Ultimately the whole truck design including the front fairing, gap filling, teardrop, tail fairing, and side skirts, resulted in the lowest drag coefficient of 0.840, the overall drag reduction of 30.52%. The drag equation, which considers the truck's density, velocity, and reference area, was then used to obtain the drag force values: FD = 0.5×ρAV2CD. The drag forces were used to calculate the fuel consumption per 100 km using L/100km=0.008051×𝐹𝐷. With each attachment modification the result demonstrated reduction in fuel consumption. The basic model showed no fuel savings. However, with modification of the front fairing and gap filling fuel saving of 2.840 L/100km was achieved. Further teardrop modification fuel consumption was reduced with 2.636 litters savings per 100 km. By combining the front fairing, gap filling, tail fairing, and teardrop modification resulted were achieved fuel saving 6.857 L/100km. Finally, the completely modified truck model demonstrated the highest potential for fuel saving 7.272 liter per 100 km.
dc.description.courseMechanical Engineeringen
dc.description.degreeMSc/MA
dc.format.extent62
dc.identifier.urihttps://hdl.handle.net/2437/394535
dc.language.isoen
dc.rights.infoHozzáférhető a 2022 decemberi felsőoktatási törvénymódosítás értelmében.
dc.subjectImproving Fuel Economy
dc.subjectCFD Model
dc.subjectCFD Analysis
dc.subjectBenchmark
dc.subjectAerodynamics Drag Reduction
dc.subject.dspaceEngineering Sciences
dc.titleCFD Analysis of Aerodynamics Drag Reduction and Improving Fuel Economy
Fájlok
Eredeti köteg (ORIGINAL bundle)
Megjelenítve 1 - 1 (Összesen 1)
Nincs kép
Név:
Farooq Umar_Thesis.pdf
Méret:
3.24 MB
Formátum:
Adobe Portable Document Format
Leírás:
Megjelenítés
Engedélyek köteg
Megjelenítve 1 - 1 (Összesen 1)
Nincs kép
Név:
license.txt
Méret:
1.69 KB
Formátum:
Item-specific license agreed upon to submission
Leírás:
Letöltés
Gyűjtemények
Theses (Department of Mechanical Engineering)