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Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System

Water hammer is a common phenomenon when a home pipe suddenly shuts down. The phenomenon may lead to pump failure, water system fatigue, pipe rupture and contaminated water backflow, and thus produces a loud banging or hammering noise. To prevent this phenomenon, a suitable accumulator is a must. Th...

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Main Authors: Kasim, Mohd Shahir, Mohd Nasir, Faarih Farhan, A Ghani, Jaharah, Raja Abdullah, Raja Izamshah, Mohd Shahrim, Mohammad Shah All Hafiz, Wong, Pui Kei, Yusof, Ahmad Anas, Mohamad, W Noor Fatihah
Format: Article
Language:English
Published: Penerbit Akademia Baru 2019
Online Access:http://eprints.utem.edu.my/id/eprint/24457/2/ARFMTSV61_N1_P33_43.PDF
http://eprints.utem.edu.my/id/eprint/24457/
http://www.akademiabaru.com/doc/ARFMTSV61_N1_P33_43.pdf
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spelling my.utem.eprints.244572020-12-03T16:05:55Z http://eprints.utem.edu.my/id/eprint/24457/ Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System Kasim, Mohd Shahir Mohd Nasir, Faarih Farhan A Ghani, Jaharah Raja Abdullah, Raja Izamshah Mohd Shahrim, Mohammad Shah All Hafiz Wong, Pui Kei Yusof, Ahmad Anas Mohamad, W Noor Fatihah Water hammer is a common phenomenon when a home pipe suddenly shuts down. The phenomenon may lead to pump failure, water system fatigue, pipe rupture and contaminated water backflow, and thus produces a loud banging or hammering noise. To prevent this phenomenon, a suitable accumulator is a must. Therefore, the objective of this research is to identify the exact volume of the bladder needed in the accumulator to overcome water hammer in the domestic water system. A ball bladder type of accumulator was chosen due to its flexibility, lightweight and capability to absorb hydraulic shock during the water hammer. The diameter of the ball bladder was 75 mm. There were two parameters for the experiment, namely water pressure during water hammer and the effect of ball bladder size on the hydraulic shock. These parameters were analysed to reduce the effect of water hammer in the future. The experiments were conducted by using DAQami software to understand the behaviour of the shock wave due to water hammer in the presence of a ball bladder. The outcome of analysis showed that the accumulator with four ball bladders with size of 883.57 cm3 (2.79 bar), had the slowest time in terms of water pressure increase when the test valve was shut down suddenly. In addition, there was no leakage at the pipe, no water droplets and no noisy sound from the pump when the test valve is shut down immediately or suddenly. Besides, the pressure of the shock wave was reduced from 4.00 bar to 2.79 bar, leading to a reduction of 1.21 bar (30%). This research revealed that the appropriate size of ball bladder for the domestic water system to prevent water hammer was 1523.33 cm3, which was approximated to seven ball bladders. Penerbit Akademia Baru 2019-09 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/24457/2/ARFMTSV61_N1_P33_43.PDF Kasim, Mohd Shahir and Mohd Nasir, Faarih Farhan and A Ghani, Jaharah and Raja Abdullah, Raja Izamshah and Mohd Shahrim, Mohammad Shah All Hafiz and Wong, Pui Kei and Yusof, Ahmad Anas and Mohamad, W Noor Fatihah (2019) Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 61 (1). pp. 33-43. ISSN 2289-7879 http://www.akademiabaru.com/doc/ARFMTSV61_N1_P33_43.pdf
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description Water hammer is a common phenomenon when a home pipe suddenly shuts down. The phenomenon may lead to pump failure, water system fatigue, pipe rupture and contaminated water backflow, and thus produces a loud banging or hammering noise. To prevent this phenomenon, a suitable accumulator is a must. Therefore, the objective of this research is to identify the exact volume of the bladder needed in the accumulator to overcome water hammer in the domestic water system. A ball bladder type of accumulator was chosen due to its flexibility, lightweight and capability to absorb hydraulic shock during the water hammer. The diameter of the ball bladder was 75 mm. There were two parameters for the experiment, namely water pressure during water hammer and the effect of ball bladder size on the hydraulic shock. These parameters were analysed to reduce the effect of water hammer in the future. The experiments were conducted by using DAQami software to understand the behaviour of the shock wave due to water hammer in the presence of a ball bladder. The outcome of analysis showed that the accumulator with four ball bladders with size of 883.57 cm3 (2.79 bar), had the slowest time in terms of water pressure increase when the test valve was shut down suddenly. In addition, there was no leakage at the pipe, no water droplets and no noisy sound from the pump when the test valve is shut down immediately or suddenly. Besides, the pressure of the shock wave was reduced from 4.00 bar to 2.79 bar, leading to a reduction of 1.21 bar (30%). This research revealed that the appropriate size of ball bladder for the domestic water system to prevent water hammer was 1523.33 cm3, which was approximated to seven ball bladders.
format Article
author Kasim, Mohd Shahir
Mohd Nasir, Faarih Farhan
A Ghani, Jaharah
Raja Abdullah, Raja Izamshah
Mohd Shahrim, Mohammad Shah All Hafiz
Wong, Pui Kei
Yusof, Ahmad Anas
Mohamad, W Noor Fatihah
spellingShingle Kasim, Mohd Shahir
Mohd Nasir, Faarih Farhan
A Ghani, Jaharah
Raja Abdullah, Raja Izamshah
Mohd Shahrim, Mohammad Shah All Hafiz
Wong, Pui Kei
Yusof, Ahmad Anas
Mohamad, W Noor Fatihah
Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System
author_facet Kasim, Mohd Shahir
Mohd Nasir, Faarih Farhan
A Ghani, Jaharah
Raja Abdullah, Raja Izamshah
Mohd Shahrim, Mohammad Shah All Hafiz
Wong, Pui Kei
Yusof, Ahmad Anas
Mohamad, W Noor Fatihah
author_sort Kasim, Mohd Shahir
title Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System
title_short Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System
title_full Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System
title_fullStr Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System
title_full_unstemmed Analysis On Effect Of Ball Bladder Size During Water Hammer In Domestic Water System
title_sort analysis on effect of ball bladder size during water hammer in domestic water system
publisher Penerbit Akademia Baru
publishDate 2019
url http://eprints.utem.edu.my/id/eprint/24457/2/ARFMTSV61_N1_P33_43.PDF
http://eprints.utem.edu.my/id/eprint/24457/
http://www.akademiabaru.com/doc/ARFMTSV61_N1_P33_43.pdf
_version_ 1687397235903430656
score 13.211869

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