Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation
In a previous study, a laboratory prototype of a thermal-driven adsorption air conditioning system employing activated carbon as adsorbent and methanol as the refrigerant was successfully developed. The experimental results employing the prototype obtained a COP of 0.19 and cooling capacity Q of aro...
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| Language: | English |
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IJRRAS
2014
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| Online Access: | http://ir.unimas.my/id/eprint/9724/ http://ir.unimas.my/id/eprint/9724/1/Comparative%20Study%20of%20Three%20Differ%28abs%29.pdf |
| _version_ | 1848836628943994880 |
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| author | H. R., Ramji M. O., Abdullah I.A. W., Tan S. L., Leo |
| author_facet | H. R., Ramji M. O., Abdullah I.A. W., Tan S. L., Leo |
| author_sort | H. R., Ramji |
| building | UNIMAS Institutional Repository |
| collection | Online Access |
| description | In a previous study, a laboratory prototype of a thermal-driven adsorption air conditioning system employing activated carbon as adsorbent and methanol as the refrigerant was successfully developed. The experimental results employing the prototype obtained a COP of 0.19 and cooling capacity Q of around 320 kJ. The cooling power P yielded ~ 0.64 kW and it was able to produce chilled air temperature Tchill,out of around 22 °C. In the present study, further works are conducted via simulation to carry out “what-if” analysis viz. to determine the optimal adsorbent-adsorbate working pair based on the prototype. Three types of refrigerants, coupled with activated carbon, were considered in this study, namely (1) methanol (similar to the experimental works); (2) ammonia; and (3) water. The simulation results obtained showed that activated carbon-water pair produced the best cooling compared to activated carbon-methanol and activated carbon-ammonia working pairs, as far as present study is concerned. The methanol and ammonia showed a COP of 0.37 and 0.4, respectively. The average Tchill,out produced by methanol was around 15 °C while the temperature produced by ammonia was slightly higher around 19 °C. The cooling capacity P for methanol and ammonia showed a value of 0.65 kW and 0.50 kW, respectively. Activated carbon-water pair simulated to yield a higher COP of 0.58 with Q at 480 kJ mainly due to high heat of evaporation, which was able to produce average Tchill,out of 12 °C with cooling power of approximately 1 kW. |
| first_indexed | 2025-11-15T06:26:48Z |
| format | Article |
| id | unimas-9724 |
| institution | Universiti Malaysia Sarawak |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T06:26:48Z |
| publishDate | 2014 |
| publisher | IJRRAS |
| recordtype | eprints |
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| spelling | unimas-97242015-11-17T07:17:19Z http://ir.unimas.my/id/eprint/9724/ Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation H. R., Ramji M. O., Abdullah I.A. W., Tan S. L., Leo Q Science (General) T Technology (General) TK Electrical engineering. Electronics Nuclear engineering In a previous study, a laboratory prototype of a thermal-driven adsorption air conditioning system employing activated carbon as adsorbent and methanol as the refrigerant was successfully developed. The experimental results employing the prototype obtained a COP of 0.19 and cooling capacity Q of around 320 kJ. The cooling power P yielded ~ 0.64 kW and it was able to produce chilled air temperature Tchill,out of around 22 °C. In the present study, further works are conducted via simulation to carry out “what-if” analysis viz. to determine the optimal adsorbent-adsorbate working pair based on the prototype. Three types of refrigerants, coupled with activated carbon, were considered in this study, namely (1) methanol (similar to the experimental works); (2) ammonia; and (3) water. The simulation results obtained showed that activated carbon-water pair produced the best cooling compared to activated carbon-methanol and activated carbon-ammonia working pairs, as far as present study is concerned. The methanol and ammonia showed a COP of 0.37 and 0.4, respectively. The average Tchill,out produced by methanol was around 15 °C while the temperature produced by ammonia was slightly higher around 19 °C. The cooling capacity P for methanol and ammonia showed a value of 0.65 kW and 0.50 kW, respectively. Activated carbon-water pair simulated to yield a higher COP of 0.58 with Q at 480 kJ mainly due to high heat of evaporation, which was able to produce average Tchill,out of 12 °C with cooling power of approximately 1 kW. IJRRAS 2014 Article NonPeerReviewed text en http://ir.unimas.my/id/eprint/9724/1/Comparative%20Study%20of%20Three%20Differ%28abs%29.pdf H. R., Ramji and M. O., Abdullah and I.A. W., Tan and S. L., Leo (2014) Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation. IJRRAS, 18 (2). pp. 109-121. ISSN 2348 – 3997 http://www.arpapress.com/ |
| spellingShingle | Q Science (General) T Technology (General) TK Electrical engineering. Electronics Nuclear engineering H. R., Ramji M. O., Abdullah I.A. W., Tan S. L., Leo Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation |
| title | Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation |
| title_full | Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation |
| title_fullStr | Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation |
| title_full_unstemmed | Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation |
| title_short | Comparative Study of Three Different Adsorbent-Adsorbate Working Pairs for a Waste Heat driven adsorption air conditioning system based on Simulation |
| title_sort | comparative study of three different adsorbent-adsorbate working pairs for a waste heat driven adsorption air conditioning system based on simulation |
| topic | Q Science (General) T Technology (General) TK Electrical engineering. Electronics Nuclear engineering |
| url | http://ir.unimas.my/id/eprint/9724/ http://ir.unimas.my/id/eprint/9724/ http://ir.unimas.my/id/eprint/9724/1/Comparative%20Study%20of%20Three%20Differ%28abs%29.pdf |