id ump-1763
recordtype eprints
spelling ump-17632017-04-06T03:09:48Z http://umpir.ump.edu.my/id/eprint/1763/ Internal surface pipe roughness classification using high frequency acoustic evaluation Amar Reza, Mohammad Firdaus TA Engineering (General). Civil engineering (General) This project was carried out using the method of acoustic emission analysis to distinguish the internal surface roughness of the pipe. Internal roughness of the pipe is referred to the level of corrosion occurring, where normally it is difficult to be monitored online. Acoustic Emission (AE) technique can be used as an alternative solution to the corrosion monitoring in pipes, especially for complex pipelines and difficult to achieve by other monitoring devices. The objective of this project is to study the AE signals emitted from internal surface pipe and to classify the internal surface pipe roughness using Bangi Number, AB. This study used the hydraulic bench to provide fluid flow at four different pressures in pipes with different internal surface roughness (rough and smooth). The main source of acoustic emission was from activity in the control valve, coupled with high pressure water flow friction in the inner surface of the pipe. The signal from these sources was detected by using the AED-2000V instrument and assisted by the Acoustic Emission Detector (AED) software. The time domain parameter; root mean square, RMS amplitude was processed and compared at different pressures for each type of internal pipe roughness at ten different locations. Based on the RMS values, Bangi Number was derived and can be used for discriminating level of internal surface pipe roughness. Internal surface pipe can still be considered as smooth if AB value is above than 1.0. Meanwhile if AB value is below than 1.0, the inner surface pipe is in rough condition. As conclusion, the acoustic emission technique offers great opportunity for new approaches in monitoring the pipe and it can be used to classify the internal surface pipe roughness. 2010-12 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/1763/1/Internal%20surface%20pipe%20roughness%20classification%20using%20high%20frequency%20acoustic%20evaluation%20-%20Table%20of%20content.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1763/2/Internal%20surface%20pipe%20roughness%20classification%20using%20high%20frequency%20acoustic%20evaluation%20-%20Abstract.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1763/13/Internal%20surface%20pipe%20roughness%20classification%20using%20high%20frequency%20acoustic%20evaluation%20-%20Chapter%201.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1763/14/Internal%20surface%20pipe%20roughness%20classification%20using%20high%20frequency%20acoustic%20evaluation%20-%20References.pdf Amar Reza, Mohammad Firdaus (2010) Internal surface pipe roughness classification using high frequency acoustic evaluation. Faculty of Mechanical Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:51643&theme=UMP2
repository_type Digital Repository
institution_category Local University
institution Universiti Malaysia Pahang
building UMP Institutional Repository
collection Online Access
language English
English
English
English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Amar Reza, Mohammad Firdaus
Internal surface pipe roughness classification using high frequency acoustic evaluation
description This project was carried out using the method of acoustic emission analysis to distinguish the internal surface roughness of the pipe. Internal roughness of the pipe is referred to the level of corrosion occurring, where normally it is difficult to be monitored online. Acoustic Emission (AE) technique can be used as an alternative solution to the corrosion monitoring in pipes, especially for complex pipelines and difficult to achieve by other monitoring devices. The objective of this project is to study the AE signals emitted from internal surface pipe and to classify the internal surface pipe roughness using Bangi Number, AB. This study used the hydraulic bench to provide fluid flow at four different pressures in pipes with different internal surface roughness (rough and smooth). The main source of acoustic emission was from activity in the control valve, coupled with high pressure water flow friction in the inner surface of the pipe. The signal from these sources was detected by using the AED-2000V instrument and assisted by the Acoustic Emission Detector (AED) software. The time domain parameter; root mean square, RMS amplitude was processed and compared at different pressures for each type of internal pipe roughness at ten different locations. Based on the RMS values, Bangi Number was derived and can be used for discriminating level of internal surface pipe roughness. Internal surface pipe can still be considered as smooth if AB value is above than 1.0. Meanwhile if AB value is below than 1.0, the inner surface pipe is in rough condition. As conclusion, the acoustic emission technique offers great opportunity for new approaches in monitoring the pipe and it can be used to classify the internal surface pipe roughness.
format Undergraduates Project Papers
author Amar Reza, Mohammad Firdaus
author_facet Amar Reza, Mohammad Firdaus
author_sort Amar Reza, Mohammad Firdaus
title Internal surface pipe roughness classification using high frequency acoustic evaluation
title_short Internal surface pipe roughness classification using high frequency acoustic evaluation
title_full Internal surface pipe roughness classification using high frequency acoustic evaluation
title_fullStr Internal surface pipe roughness classification using high frequency acoustic evaluation
title_full_unstemmed Internal surface pipe roughness classification using high frequency acoustic evaluation
title_sort internal surface pipe roughness classification using high frequency acoustic evaluation
publishDate 2010
url http://umpir.ump.edu.my/id/eprint/1763/
http://umpir.ump.edu.my/id/eprint/1763/
http://umpir.ump.edu.my/id/eprint/1763/1/Internal%20surface%20pipe%20roughness%20classification%20using%20high%20frequency%20acoustic%20evaluation%20-%20Table%20of%20content.pdf
http://umpir.ump.edu.my/id/eprint/1763/2/Internal%20surface%20pipe%20roughness%20classification%20using%20high%20frequency%20acoustic%20evaluation%20-%20Abstract.pdf
http://umpir.ump.edu.my/id/eprint/1763/13/Internal%20surface%20pipe%20roughness%20classification%20using%20high%20frequency%20acoustic%20evaluation%20-%20Chapter%201.pdf
http://umpir.ump.edu.my/id/eprint/1763/14/Internal%20surface%20pipe%20roughness%20classification%20using%20high%20frequency%20acoustic%20evaluation%20-%20References.pdf
first_indexed 2023-09-18T21:54:59Z
last_indexed 2023-09-18T21:54:59Z
_version_ 1777414019431268352