LAPSE:2023.23165
Published Article
LAPSE:2023.23165
Performance Investigation of a Two-Bed Type Adsorption Chiller with Various Adsorbents
Jung-Gil Lee, Kyung Jin Bae, Oh Kyung Kwon
March 27, 2023
In this study, the performance evaluation of an adsorption chiller (AD) system with three different adsorbents—silica-gel, aluminum fumarate, and FAM-Z01—was conducted to investigate the effects of adsorption isotherms and physical properties on the system’s performance. In addition, the performance evaluation of the AD system for a low inlet hot-water temperature of 60 °C was performed to estimate the performance of the system when operated by low quality waste heat or sustainable energy sources. For the simulation work, a two-bed type AD system is considered, and silica-gel, metal organic frameworks (MOFs), and ferro-aluminophosphate (FAPO, FAM-Z01) were employed as adsorbents. The simulation results were well matched with the laboratory-scale experimental results and the maximum coefficient of performance (COP) difference was 7%. The cooling capacity and COP of the AD system were investigated at different operating conditions to discuss the influences of the adsorbents on the system performance. Through this study, the excellence of the adsorbent, which has an S-shaped isotherm graph, was presented. In addition, the influences of the physical properties of the adsorbent were also discussed with reference to the system performance. Among the three different adsorbents employed in the AD system, the FAM-Z01 shows the best performance at inlet hot water temperature of 60 °C, which can be obtained from waste heat or sustainable energy, where the cooling capacity and COP were 5.13 kW and 0.47, respectively.
Keywords
adsorbent, adsorption chiller, coefficient of performance, cooling capacity, isotherm characteristics, low quality waste heat, metal organic frameworks, Renewable and Sustainable Energy, Simulation
Suggested Citation
Lee JG, Bae KJ, Kwon OK. Performance Investigation of a Two-Bed Type Adsorption Chiller with Various Adsorbents. (2023). LAPSE:2023.23165
Author Affiliations
Lee JG: Thermal and Fluid System Group, Korea Institute of Industrial Technology, Cheonan-si, Chungcheongnam-do 31056, Korea
Bae KJ: Thermal and Fluid System Group, Korea Institute of Industrial Technology, Cheonan-si, Chungcheongnam-do 31056, Korea
Kwon OK: Thermal and Fluid System Group, Korea Institute of Industrial Technology, Cheonan-si, Chungcheongnam-do 31056, Korea
Journal Name
Energies
Volume
13
Issue
10
Article Number
E2553
Year
2020
Publication Date
2020-05-18
Published Version
ISSN
1996-1073
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Original Submission
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PII: en13102553, Publication Type: Journal Article
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LAPSE:2023.23165
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doi:10.3390/en13102553
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Mar 27, 2023
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