Effects of Perforated Baffle on Reducing Sloshing in Rectangular Tank:Experiment

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Effects of Perforated Baffle on Reducing Sloshing in Rectangular Tank:Experimental and Numerical Study

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薛米安 林鹏智 郑金海 马玉祥 苑晓丽 Viet-Thanh NGUYENa

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【摘要】:A liquid sloshing experimental rig driven by a wave-maker is designed and built to study liquid sloshing problems in a rectangular liquid tank with perforated baffle.A series of experiments are conducted in this experimental rig to estimate the free surface fluctuation and pressure distribution by changing external excitation frequency of the shaking table.An in-house CFD code is also used in this study to simulate the liquid sloshing in three-dimensional(3D)rectangular tank with perforated baffle.Good agreements of free surface elevation and pressure between the numerical results and the experimental data are obtained and presented.Spectral analysis of the time history of free surface elevation is conducted by using the fast Fourier transformation.水利论文Qbl!C:?x

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【作者单位】:水利论文2hBNxWL

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liquid sloshing experimental study rectangular tank perforated baffle水利论文t5Uy)~`T3Z

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【基金】:supported by the China Postdoctoral Science Foundation(Grant No.2012M511192)

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8}BkF}+O8i2^3a0the National Natural Science Foundation of China(Grant Nos.51209080 and 51061130547水利论文"SZxn-@

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Open Fund of State Key Laboratory of Coastaland Off shore Engineering(Grant No.LP1207

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the Open Fund of State Key Laboratory of Hydraulics and Mountain River Engineering(Grant No.1213)水利论文1U0r n,ifr(r T

%H!Zu+? b0Qing Lan Project and 333 Project of Jiangsu Province(Grant No.BRA2012130)水利论文E| @,gR y9vDN

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the Fundamental Research Funds for the Central Universities(Hohai University,Grant No.2012B06514水利论文tdF K v'w-UZ;_

DK4w'z2o1}C0the 111 Project(Grant No.B12032)水利论文!Fs^0ned+D

b`j8|Q(W-XW-J'ht0Research Fund for the Doctoral Program of Higher Education of China(Grant No.20120181110084)水利论文8kjt)b&F

O"ZI'_7M7F[(|0【分类号】:TV131.6水利论文4w#gA j%A

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【正文快照】:水利论文e%@,S~j6R"F

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1.IntroductionSea wave-induced ship motions such as sway,heave,and roll result in severe sloshing of liquidsin LNG/LPG tankers and ballast containers.Violent sloshing can create highly localized impact forceon tank walls or ceiling which may lead to dama

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