Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system
Air-conditioning (AC) systems are the most common energy consuming equipment in commercial buildings in Malaysia. An Ice Thermal Storage (ITS) application is capable of reducing the power consumption of the air-conditioning system and its corresponding costs as it transfers the peak of electricity c...
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Penerbit Akademia Baru
2017
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my.utm.763992018-05-31T09:20:32Z http://eprints.utm.my/id/eprint/76399/ Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system Awang, N. A. Kamar, H. M. Kamsah, N. TJ Mechanical engineering and machinery Air-conditioning (AC) systems are the most common energy consuming equipment in commercial buildings in Malaysia. An Ice Thermal Storage (ITS) application is capable of reducing the power consumption of the air-conditioning system and its corresponding costs as it transfers the peak of electricity consumption from on-peak to off-peak hours. In this study, an analysis was performed on a conceptual AC-ITS system to estimate the annual saving in operating cost when compared to an existing AC system installed at Perpustakaan Raja Zarith Sofia (PRZS) building located in Universiti Teknologi Malaysia, Johor. First, the cooling loads of the building based on the Carrier Cooling Load Method were determined. Based on the cooling loads the system equipment was selected. From the cooling load profile, the chiller-charging and -discharging scheduling of the ITS system were determined. The estimated annual operating cost of the present AC system is approximately RM 437,877. By employing the ITS-AC system, a potential saving of about RM 299,901 per year can be achieved, representing a 68.5 % saving per year. Penerbit Akademia Baru 2017 Article PeerReviewed Awang, N. A. and Kamar, H. M. and Kamsah, N. (2017) Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 31 (1). pp. 1-10. ISSN 2289-7879 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042777408&partnerID=40&md5=f882f1f329bf5460c19db105e5a8f1a7 |
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Universiti Teknologi Malaysia |
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Malaysia |
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TJ Mechanical engineering and machinery Awang, N. A. Kamar, H. M. Kamsah, N. Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system |
| description |
Air-conditioning (AC) systems are the most common energy consuming equipment in commercial buildings in Malaysia. An Ice Thermal Storage (ITS) application is capable of reducing the power consumption of the air-conditioning system and its corresponding costs as it transfers the peak of electricity consumption from on-peak to off-peak hours. In this study, an analysis was performed on a conceptual AC-ITS system to estimate the annual saving in operating cost when compared to an existing AC system installed at Perpustakaan Raja Zarith Sofia (PRZS) building located in Universiti Teknologi Malaysia, Johor. First, the cooling loads of the building based on the Carrier Cooling Load Method were determined. Based on the cooling loads the system equipment was selected. From the cooling load profile, the chiller-charging and -discharging scheduling of the ITS system were determined. The estimated annual operating cost of the present AC system is approximately RM 437,877. By employing the ITS-AC system, a potential saving of about RM 299,901 per year can be achieved, representing a 68.5 % saving per year. |
| format |
Article |
| author |
Awang, N. A. Kamar, H. M. Kamsah, N. |
| author_facet |
Awang, N. A. Kamar, H. M. Kamsah, N. |
| author_sort |
Awang, N. A. |
| title |
Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system |
| title_short |
Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system |
| title_full |
Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system |
| title_fullStr |
Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system |
| title_full_unstemmed |
Energy saving potential of an air-conditioner - ice thermal storage (AC-ITS) system |
| title_sort |
energy saving potential of an air-conditioner - ice thermal storage (ac-its) system |
| publisher |
Penerbit Akademia Baru |
| publishDate |
2017 |
| url |
http://eprints.utm.my/id/eprint/76399/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042777408&partnerID=40&md5=f882f1f329bf5460c19db105e5a8f1a7 |
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1643657299907051520 |
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13.211869 |