Experimental Study on Mechanical Properties of Polyethylene HDPE in Conditions of Hydraulic Impact Simulation

Szymon Imiełowski , Apoloniusz Kodura , Aniela Maria Glinicka , Cezary Witold Ajdukiewicz

Abstract

Experimental research on mechanical properties of hardened polyethylene HDPE, is developed in the paper. The conditions of hydraulic impact simulation, caused by sudden opening or closing of the valve or by working pomp were adopted in the model. The created in such conditions shock wave moves at a high speed causing additional dangerous dynamic loadings, which lead to faster pipe wear process. The aim of this study is to determine Young's modulus of the pipe material in the cyclic load conditions. The assumed amplitude and frequency of the applied load relates to variation of the impact wave pressure also the speed of the disturbances propagation are taken from experimental measurement of the real water hammer. The measured Young's modulus is higher than that obtained from a static tensile test. The presented study arises from the need to verify the actual value of pipe material mechanical properties, i.e. longitudinal stiffness, for designing of hydraulic pipes under conditions of water hammer.
Author Szymon Imiełowski (FEE / DHEH)
Szymon Imiełowski,,
- Department of Hydraulic Engineering and Hydraulics
, Apoloniusz Kodura (FEE / DHEH)
Apoloniusz Kodura,,
- Department of Hydraulic Engineering and Hydraulics
, Aniela Maria Glinicka (FCE / ICE)
Aniela Maria Glinicka,,
- The Institute of Civil Engineering
, Cezary Witold Ajdukiewicz (FCE / ICE)
Cezary Witold Ajdukiewicz,,
- The Institute of Civil Engineering
Journal seriesSolid State Phenomena, ISSN 1012-0394, e-ISSN 1662-9779, (0 pkt)
Issue year2016
Vol240
Pages149-154
Publication size in sheets0.5
Conference26th Symposium on Experimental Mechanics of Solids, 22-10-2014 - 25-10-2014, Jachranka, Polska
Keywords in English Cyclic Load, Experimental Determination of Young’s Modulus, HDPE Modulus of Elasticity, Hydraulic Impact, Water Hammer
ASJC Classification3104 Condensed Matter Physics; 2500 General Materials Science; 3107 Atomic and Molecular Physics, and Optics
DOIDOI:10.4028/www.scientific.net/SSP.240.149
Languageen angielski
Score (nominal)5
Score sourcejournalList
ScoreMinisterial score = 0.0, 15-11-2019, ArticleFromJournal
Ministerial score (2013-2016) = 5.0, 15-11-2019, ArticleFromJournal
Publication indicators Scopus Citations = 2; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.477
Citation count*5 (2019-12-07)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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