| Issue |
E3S Web Conf.
Volume 268, 2021
2020 6th International Symposium on Vehicle Emission Supervision and Environment Protection (VESEP2020)
|
|
|---|---|---|
| Article Number | 01033 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1051/e3sconf/202126801033 | |
| Published online | 11 June 2021 | |
Studied on the effect of refueling rate on fuel system refueling based on STAR-CCM+
China Automotive Technology and Research Center Co., Ltd, China
* Corresponding author: zhongchongzhi@catarc.ac.cn
A model of fuel system which is with ORVR is established based on STAR CCM +, to study the influence of different refueling velocity on the formation of liquid seal in refueling process. The simulation results show that the increase of refueling rate leads to the formation of liquid seal in the process of fuel flow, but it will lead to the deterioration of refueling smoothness. When the refueling rate is 15L/min, there is no liquid seal formed at the bottom of the refueling pipe, because of the small gas resistance formed in the refueling process, and when the refueling flow rate reaches 37L/min, a stable dynamic liquid seal can be formed at the bottom of the refueling pipe but the fuel accumulation at the refueling port has taken place. When the refueling flow rate reaches40L/min and 45L/min, a stable dynamic liquid seal is formed at the bottom of the refueling pipe at 4s, but until 4 seconds, fuel has been submerged in the refueling muzzle. At 10 seconds, the fuel accumulation state is the same as 5 seconds, indicating that the gun PSO had taken happened.
Key words: fuel system / filler pipe / simulation / ORVR
© The Authors, published by EDP Sciences, 2021
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