Effect of Blockage Size on Pipe Vibration

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Circular pipes are widely used to convey goods to a desired location. Flow inside a pipe needs to be smoothed and unobstructed to ensure an optimize flow of particle. However, pipes are prone to clogging or blocking due to deposition of unwanted impurities and external objects. Built up inside a circular pipe will affect the flow velocity and pressure within the pipe. This paper presents a method of assessing blockage inside a pipe by using vibration analysis. The effect of blockage was observed through changes in pipe vibration response and also turbulence intensity. The changes in vibration parameters were identified together with the reduction of flow area due to increasing blockage size.

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993-996

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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[1] Y. Tanaka, O. Tonomura, K. Isozaki and S. Hasebe: Detection and Diagnosis of Blockage in Parallelized Microreactors (Chemical Engineering Journal 167 (2011) 483–489).

DOI: 10.1016/j.cej.2010.09.087

Google Scholar

[2] N. L. T. Lile, M. H. M. Jaafar, M. R. Roslan and M. S. Muhamad Azmi: Blockage Detection in Circular Pipe Using Vibration Analysis (International Journal on Advanced Science Engineering Information Technology Vol. 2 (2012) No. 3).

DOI: 10.18517/ijaseit.2.3.197

Google Scholar

[3] J. Östberg, M. Martinsson, Ö. Stål and A. M. Fransson: Risk of Root Intrusion by Tree and Shrub Species into Sewer Pipes in Swedish Urban Areas (Urban Forestry & Urban Greening 2012).

DOI: 10.1016/j.ufug.2011.11.001

Google Scholar

[4] P. Sampson and R. D. Gibson: Solidification of a Liquid Metal Flowing Through a Circular Pipe: A Prediction of Nozzle Blockage (Adv. Eng. Software, 1981, Vol. 3 No. 1).

DOI: 10.1016/0141-1195(81)90049-8

Google Scholar

[5] L. Tajul, H. Hadi and M. R. Roslan: Vibration Analysis of Blocked Circular Pipe Flow (Applied Mechanics and Materials Vol. 165 (2012) pp.197-201).

DOI: 10.4028/www.scientific.net/amm.165.197

Google Scholar

[6] M. Qing and Z. Jinghui: Orifice-induced Wall Pressure Fluctuations and Pipe Vibrations: Theory and Modeling of Fluid Excitations (Flow Turbulence Combust (2007) 79: 25–40).

DOI: 10.1007/s10494-006-9062-2

Google Scholar