| Issue |
EPL
Volume 112, Number 1, October 2015
|
|
|---|---|---|
| Article Number | 14002 | |
| Number of page(s) | 5 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/112/14002 | |
| Published online | 20 October 2015 | |
Super free fall of an inviscid liquid through interconnected vertical pipes
1 Unidad Multidisciplinaria de Docencia e Investigación Sisal Facultad de Ciencias, UNAM Puerto de Abrigo S/N, Sisal, Yucatán 97355, México
2 SEPI ESIME Azcapotzalco, Instituto Politénico Nacional - Av. de las Granjas No. 682, Col. Sta. Catarina, C.P. 02250, Mexico D.F., México
Received: 18 June 2015
Accepted: 1 October 2015
In this work the super free fall motion of the interface of a liquid column flowing downwards, suddenly from the rest in a system of vertical concentrically interconnected tubes, is studied theoretically, using a one-dimensional model in the inviscid regime. The ratio of the surface area of the upper tube to that of the lower one, 
, is assumed to be smaller than unity. Experiments show a good agreement with the main results of the developed theory.
PACS: 47.60.Dx – Flows in ducts and channels / 47.10.-g – General theory in fluid dynamics / 47.80.Jk – Flow visualization and imaging
© EPLA, 2015
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