Topography Optimization of a Bracket Used for Car Bodywork Reinforcement

Scurtu, I L; Bălcău, Monica; Jurco, Ancuta Nadia

doi:10.1007/978-3-319-94409-8_8

Proceedings of the 4th International Congress of Automotive and Transport Engineering (AMMA 2018)

2018

DOI: 10.1007/978-3-319-94409-8_8

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Topography Optimization of a Bracket Used for Car Bodywork Reinforcement

I L Scurtu

Monica Bălcău

Ancuta Nadia Jurco

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2023

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“…Thanks to the advantages it offers, the finite element method is frequently used in the design of vehicle and machine parts [15][16][17][18]. Nowadays, both anti-slosh and weight and cost reduction studies in fuel tank design are carried out by computational fluid dynamics (CFD) method using special software [19,20]. With the CFD method, all properties and parameters such as acceleration, force, flow regime, liquid properties, tank geometry, filling level, antislosh baffle geometry, number, and location can be tested in different combinations to determine the optimum design.…”

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confidence: 99%

CFD Analysis of Sloshing in the Fuel Tank of a Heavy Vehicle with Emergency Braking System

ARSLAN,

BAYRAKÇEKEN,

YAVUZ

2023

International Journal of Automotive Science and Technology

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Liquid sloshing, which occurs in all accelerating and liquid-carrying vehicles, is of great importance, especially in the automotive and aerospace industries. Large-scale fluid sloshing causes both operational and safety problems in vehicles. In this study, the fuel tank of a heavy vehicle with an emergency braking system is designed in three dimensions, and liquid sloshing in the fuel tank is investigated by CFD analysis meth-od. VOF solution method, k-ԑ turbulence model, and PISO solution algorithm are used in the study. In the analysis of liquid sloshing, it is assumed that the vehicle is traveling at a certain speed, decelerates and stops with emergency braking, and remains station-ary for a while. The braking scenario and boundary conditions are based on test data from a heavy vehicle manufacturer. The designed fuel tank with a capacity of 207.6 li-ters was analyzed at 25%, 50%, and 60% diesel fuel filling levels in 6 different cases with and without anti-slosh baffles. Four virtual sensors were placed on the side wall of the fuel tank in the direction of vehicle movement, and time-dependent pressure changes were analyzed for all cases. In addition, the fuel volume ratio in all cases is visualized and presented for specific time steps. With the use of anti-slosh baffles, the maximum pressure, the rate of pressure increase, and the liquid sloshing were reduced by a factor of 2-3 for different cases. With the design of the fuel tank using anti-slosh baffles, instantaneous interruptions in the fuel system are prevented. Reducing the im-pact pressures on the tank walls is expected to positively affect noise, vibration, and stability problems.

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confidence: 99%

CFD Analysis of Sloshing in the Fuel Tank of a Heavy Vehicle with Emergency Braking System

ARSLAN,

BAYRAKÇEKEN,

YAVUZ

2023

International Journal of Automotive Science and Technology

View full text Add to dashboard Cite

show abstract

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Topography Optimization of a Bracket Used for Car Bodywork Reinforcement

Cited by 1 publication

References 0 publications

CFD Analysis of Sloshing in the Fuel Tank of a Heavy Vehicle with Emergency Braking System

CFD Analysis of Sloshing in the Fuel Tank of a Heavy Vehicle with Emergency Braking System

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