The vibro-acoustic behaviour of buried plastic water pipes and its influence on leak detection

• Grant number: 15/50312-4
• Support Opportunities: Regular Research Grants
• Start date: May 01, 2016
• End date: April 30, 2018
• Field of knowledge: Engineering - Mechanical Engineering - Mechanics of Solids
• Agreement: University of New South Wales
• Principal Investigator: Michael John Brennan
• Grantee: Michael John Brennan
• Principal researcher abroad: Nicole Kessissoglou
• Institution abroad: University of New South Wales (UNSW), Australia
• Host Institution: Faculdade de Engenharia (FEIS). Universidade Estadual Paulista (UNESP). Campus de Ilha Solteira. Ilha Solteira , SP, Brazil

Abstract

This project concerns leak detection in plastic water distribution pipes, and is closely related to the FAPESP (PITE) project co-funded by SABESP (Processo 2013/50412-3). In this Sprint project, two specific pieces of work will be conducted. One will be to improve the fundamental understanding into the way in which a leak generates noise in a plastic pipe and the second will be to couple this to a vibro-acoustic model of the pipe. This will enable fundamental limits for leak detection ranges in plastic water distribution pipes to be determined. The theoretical aspects of this will be undertaken by the UNSW team and the experimental verification will be undertaken by the UNESP team. This fundamental work will feed into the later parts of the FAPESP project in which a second generator correlator will have an integral actuator incoporated to measure in-situ the wave speed related to leak noise. Additionally, it is intended that the research groups in UNESP and UNSW will forge a closer relationship which will enable them to apply for research grants in the future to tackle important vibro-acoustic problems that have relevance to both Brazil and Australia. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

BRENNAN, M. J.; KARIMI, M.; MUGGLETON, J. M.; ALMEIDA, F. C. L.; KROLL DE LIMA, F.; AYALA, P. C.; OBATA, D.; PASCHOALINI, A. T.; KESSISSOGLOU, N.. On the effects of soil properties on leak noise propagation in plastic water distribution pipes. Journal of Sound and Vibration, v. 427, p. 120-133, AUG 4 2018. (15/50312-4)

BRENNAN, M. J.; KARIMI, M.; ALMEIDA, F. C. L.; DE LIMA, F. KROLL; AYALA, P. C.; OBATA, D.; PASCHOALINI, A. T.; KESSISSOGLOU, N.; VESTRONI, F; ROMEO, F; et al. On the role of vibro-acoustics in leak detection for plastic water distribution pipes. X INTERNATIONAL CONFERENCE ON STRUCTURAL DYNAMICS (EURODYN 2017), v. 199, p. 6-pg., 2017-01-01. (15/50312-4)