Study Of Pressure Fluctuations Generated By An Expansion
Author(s)
A. Hammi
Abstract
Study of pressure fluctuations generated by an
expansion
A. Harnrni
Laboratoire de Me'canique
Centre de Recherche ScientiJique et Technique, Algeria
Abstract
In the flows of nuclear reactors pipelines, and those of many others industrial
installations, we observe an excitation induced by the local fluctuate pressure
field in the level of singularities and moreover by acoustic sources in connection
with these singularities.
Thus, these phenomena can induce vibratory excitations of the structures
whose intensity is often unacceptable. Therefore, it is important to develop
prevision methods of vibratory levels in order to understand the excitation
processes and to minimise the risks associated with the behaviour of these
mechanical structures.
We have chosen to study in this paper the singularity constituted by an expansion
(due to the fact that the flow passes fi-om a tube of diameter d to one of diameter
D where d
Keywords
Related Book
Other papers in this volume
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