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RISS 인기검색어
- 검색키워드
- 저자 : Baohong Tong (검색결과 1 건)
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Design of cross-linked baffle and analysis of its wave suppression characteristics
Minmin Shen,Baohong Tong,Chuanbin Sun,Hu Huang,Kun Zhang 대한기계학회 2022 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.36 No.12
Under variable speed condition, oil in a fuel tank is shaken violently, thereby causing damage to the fuel tank structure and supply interruption, affecting the safe driving of the vehicle. A structural design scheme of a fuel tank with cross-linked baffle is proposed. Oil sloshing in the fuel tank under braking conditions is numerically simulated using a method verified by experiments. The characteristics of cross-linkage baffled fuel tanks to inhibit oil sloshing are analysed. The results show that the baffles can be linked when stiffeners are installed between baffles in the fuel tank. Applying the force opposite to the oil impact pressure improves the rigidity of the baffle and enables a reduction in fatigue damage. The cross-linked baffled has little influence on the baffle wall pressure but has a certain impact on the shape of oil sloshing. With the increase of braking acceleration, the jet velocity of the oil passing through the baffle pores increases, and the nonlinear phenomenon caused by the jet hitting the liquid surface is further aggravated. With the rise of the fuel tank filling rate, the jet velocity of the oil passing through the baffle pores decreases, and the intensity of sloshing is reduced. The vortex generated near the cross-linked baffle changes the flow field structure, reduces the oil climbing speed, and ultimately restrains sloshing.
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