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contributor authorYonezawa, Koichi
contributor authorNishimura, Kosuke
contributor authorSano, Takeshi
contributor authorMiyagawa, Kazuyoshi
contributor authorTsujimoto, Yoshinobu
date accessioned2022-02-06T05:29:20Z
date available2022-02-06T05:29:20Z
date copyright9/13/2021 12:00:00 AM
date issued2021
identifier issn0098-2202
identifier otherfe_143_12_121108.pdf
identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4278137
description abstractUnsteady behaviors of free surface around a rotating vertical shaft in cylindrical stationary casing were investigated. Experiments were carried out with various rotating frequency of the shaft at two initial water levels. An axi-symmetrical free surface oscillation took place when the rotational speed of the shaft became larger than a certain value. The frequency of the free surface oscillation decreased as the rotating frequency increased. A theoretical model was developed, and the mechanisms of the free surface oscillation were clarified. The oscillation was found to be a sloshing mode excited by the change of fluid angular velocity, caused by the change of wetted areas on the inner rotating shaft and outer stationary casing, associated with the change in free surface height.
publisherThe American Society of Mechanical Engineers (ASME)
titleSloshing of Fluid Between Rotating Inner Vertical Shaft and Stationary Outer Casing
typeJournal Paper
journal volume143
journal issue12
journal titleJournal of Fluids Engineering
identifier doi10.1115/1.4052127
journal fristpage0121108-1
journal lastpage0121108-9
page9
treeJournal of Fluids Engineering:;2021:;volume( 143 ):;issue: 012
contenttypeFulltext


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