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A numerical study of the transition in the circular hydraulic jump

✍ Scribed by Kensuke Yokoi; Feng Xiao

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
151 KB
Volume
257
Category
Article
ISSN
0375-9601

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✦ Synopsis

We performed axisymmetric r-z simulations to clarify the structure formation of the circular hydraulic jump. The transition from a type I to a type II jump, which was induced by changing the depth of the fluid far away from the jet in the laboratory experiment, was investigated numerically. We found that the transition is associated with a rise in pressure beneath the surface immediately after the hydraulic jump. This result shows that the hydrostatic assumption used in most of the theoretical studies may not be appropriate for the formation of a type II jump.

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