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research article

Experimental method for the evaluation of the dynamic transfer matrix using pressure transducers

Yamamoto, Keita  
•
Müller, Andres  
•
Ashida, Takuya
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2015
Journal of Hydraulic Research

This paper introduces an experimental method for the evaluation of dynamic transfer matrices using only pressure transducers. The discharge fluctuations are evaluated from the fluctuation of the pressure difference at different streamwise locations. The transfer matrices of the resistance, the inertance and the compliance elements are determined by using simple flow configurations. This method is then validated by comparing the transfer matrix components to theoretical values. The results show that the direct measurement of the transfer matrices produces good results below the first structural eigenfrequency of the system. Furthermore, a deviation from the mass continuity in the amplitude ratio of the fluctuating upstream and downstream discharges is investigated. This behaviour can be explained with a simple model taking into account the compliance in the system.

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Type
research article
DOI
10.1080/00221686.2015.1050076
Web of Science ID

WOS:000362881700005

Author(s)
Yamamoto, Keita  
Müller, Andres  
Ashida, Takuya
Yonezawa, Koichi
Avellan, François  
Tsujimoto, Yoshinobu
Date Issued

2015

Publisher

Taylor & Francis Ltd

Published in
Journal of Hydraulic Research
Volume

53

Issue

4

Start page

466

End page

477

Subjects

Dynamic transfer matrix

•

Experimental facilities

•

Hydraulic machines

•

One-dimensional models

•

Oscillatory flows

•

Velocity measurements

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LMH  
Available on Infoscience
July 16, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/116331
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