Cost benefit analysis and energy savings of using compression and absorption chillers for air conditioners in hot and humid climates

Shekarchian, M. and Moghavvemi, M. and Motasemi, F. and Mahlia, T.M.I. (2012) Cost benefit analysis and energy savings of using compression and absorption chillers for air conditioners in hot and humid climates. In: 4th International Meeting of Advances in Thermofluids, IMAT 2011, 3-4 October 2011, Melaka, Malaysia.

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Abstract

The electricity consumption growth has increased steadily in the recent decade which is a great concern for the environment. Increasing the number of high-rise air-conditioned buildings and the rapid use of electrical appliances in residential and commercial sectors are two important factors for high electricity consumption. This paper investigates the annual energy required for cooling per unit area and the total energy cost per unit area for each type of air conditioning systems in hot and humid climates. The effects of changing the coefficient of performance (COP) of absorption chillers on cost saving was also investigated in this study. The results showed that using absorption chillers for cooling will increase the amount of energy consumption per unit area; however the energy cost per unit area will decrease. In addition this research indicates that for each 0.1 increment in COP of absorption chillers, there is about 500 USD/m2 saved cost.

Item Type: Conference or Workshop Item (Paper)
Additional Information: ISSN: 0094243X ISBN: 978-073541032-9 DOI: 10.1063/1.4704258
Uncontrolled Keywords: Absorption thermal system; Air conditioning; cost benefit analysis; Performance
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Norhamizah Tamizi
Date Deposited: 25 Mar 2014 08:58
Last Modified: 23 Nov 2017 02:39
URI: http://eprints.um.edu.my/id/eprint/9734

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