74. Measurement of stability of a pipe system with flowing fluid

A. Sudintas1, P. Paškevičius2, B. Spruogis3, R. Maskeliūnas4

1, 2Kaunas University of Technology, Kaunas, Lithuania

3, 4Vilnius Gediminas Technical University, Vilnius, Lithuania

1Corresponding author

E-mail: 1antanas.sudintas@ktu.lt, 2petras.paskevicius@ktu.lt, 3bronislovas.spruogis@vgtu.lt, 4rimas.maskeliunas@vgtu.lt

(Received 20 July 2015; received in revised form 21 August 2015; accepted 28 August 2015)

Abstract. The two dimensional system of coupled vibrating pipes is investigated. The model of a pipe system consisting from two dimensional beams is employed. The problem of stability because of the reduction of stiffness caused by the flow of fluid is solved and the stability eigenmodes are determined. The places where the deflections of the stability eigenmodes are large are recommended for the location of measurement devices.

Keywords: measurement of stability, pipe, beam, flowing fluid, stability eigenmodes, finite elements.

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Cite this article

Sudintas A., Paškevičius P., Spruogis B., Maskeliūnas R. Measurement of stability of a pipe system with flowing fluid. Journal of Measurements in Engineering, Vol. 3, Issue 3, 2015, p. 87‑91.

 

Journal of Measurements in Engineering. September 2015, Volume 3, Issue 3
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