Experimental analysis of liquid movements in automotive fuel tanks Online publication date: Tue, 03-Apr-2018
by Assunta Andreozzi; Luigi Di Matteo; Francesco Fortunato
International Journal of Vehicle Design (IJVD), Vol. 75, No. 1/2/3/4, 2017
Abstract: Nowadays, a complex activity is taking place to enhance design and validation of automotive fuel tanks. It includes track tests, new bench tests and fluid-dynamic simulations. The target is to prevent issues with vapour pressure build up and fuel spill to vapour canister, operating as early as possible in the design process. A new test bench has been developed by Moog Inc. based on Fiat Chrysler Automobiles (FCA) specification and experience, which allows simulating vehicle accelerations using a combination of tank motion and tilt on all axes. Accelerometric measurements have been conducted. A comparison between results obtained by means of the '8-DOF' innovative test bench (also called 'Fuel Tank Test System') and the ones obtained by means of a simpler '6-DOF' bench has been carried out. Moreover, the experimental results are compared with the ones obtained when the fuel tank is mounted on a vehicle running on a test track.
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