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Influencing analysis of different baffle factors on oil liquid sloshing in automobile fuel tank
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering ( IF 1.5 ) Pub Date : 2020-06-09 , DOI: 10.1177/0954407020919584
Enhui Zhang 1 , Wenyan Zhu 1 , Lihe Wang 2
Affiliation  

Oil liquid sloshing is a common phenomenon in automobile fuel tank under variable working conditions. Installing baffles in automobile fuel tank is the most effective way to suppress adverse influence caused by oil liquid sloshing. Different types of three-dimensional finite element models filling oil liquid are created, meshed, and simulated. The reliability of simulation results is verified by test. The concept of time–area value is proposed in this work. In order to explore the influence of different baffle factors on oil liquid sloshing, six factors are studied. Six kinds of influencing factors are height, structure, shape, spacing, number, and placement of baffles. The sloshing pressure and time–area value are the core parameters for evaluating the influence degree. Some results could be obtained by comparing the parameters of oil liquid sloshing under the same condition. High baffles and baffles with small spacing have obvious attenuation influence on the pressure of oil liquid sloshing. Low baffles, double baffles, parallel baffles, and the combined action of inertia force and gravity are more beneficial to the reduction of time–area value. Time–area value is the largest and the smallest in fuel tank with intersection baffles and low baffles, respectively.

中文翻译:

不同挡板因素对汽车油箱油液晃动的影响分析

油液晃动是汽车油箱在各种工况下的普遍现象。在汽车油箱中安装挡板是抑制油液晃动造成不利影响的最有效方法。不同类型的填充油液的三维有限元模型被创建、网格化和模拟。通过试验验证了仿真结果的可靠性。在这项工作中提出了时间-面积值的概念。为探讨不同挡板因素对油液晃荡的影响,对六个因素进行了研究。六种影响因素是挡板的高度、结构、形状、间距、数量和位置。晃荡压力和时域值是评价影响程度的核心参数。通过比较相同条件下油液晃荡的参数,可以得到一些结果。高挡板和小间距挡板对油液晃荡压力有明显的衰减影响。低折流板、双折流板、平行折流板以及惯性力和重力的共同作用更有利于时间-面积值的降低。时间-面积值分别在具有交叉挡板和低挡板的油箱中最大和最小。
更新日期:2020-06-09
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