MATEC Web Conf.
Volume 225, 2018UTP-UMP-VIT Symposium on Energy Systems 2018 (SES 2018)
|Number of page(s)||9|
|Section||Energy Enhancement and Optimization|
|Published online||05 November 2018|
Simulation Study on the Potential of Braided Hose Failure in Internal Combustion Engines
Department of Mechanical Engineering, Universiti Teknologi PETRONAS, 31750 Bandar Seri Iskandar, Perak.
2 PETRONAS Carigali Sdn.Bhd, Kompleks Operasi PETRONAS, Kerteh, Terengganu, Malaysia.
* Corresponding author: email@example.com
In this study, damaged braided hoses was obtained from the actual site to investigate the possible causes of failure in the internal combustion engines. The hoses were assembled with polytetrafluroethylene (PTFE) as the inner tube and externally braided outer tube corrosionresistant steel (CRES). The hose had undergone failures near the end of the fittings. The braided hose was measured and modelled using SOLIDWORKS CAD software. The ANSYS static structural stimulation was used to measure the stress distribution on the hose due to pressure applied with various bend shapes. The simulation was done by fixing the end of the pipe and exerting the working pressure inside the inner layer of PTFE. The results of the simulation have shown that the inner tube experienced high stresses near the fittings which is then aggravated with the bending. With cyclic pressure loading, the hose was unable to stand the high stresses near the fittings and therefore failed. Further analyses were done to the braided hose to investigate the other possible of failure using failure analysis method.
© The Authors, published by EDP Sciences, 2018
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