| Issue |
MATEC Web Conf.
Volume 330, 2020
International Conference on Materials & Energy (ICOME’19)
|
|
|---|---|---|
| Article Number | 01032 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/matecconf/202033001032 | |
| Published online | 01 December 2020 | |
COP enhancement and comparison of different absorption cooling systems
1 National Engineering School of Gabes, University of Gabes, 6072 Gabes, Tunisia.
2 Universityvof Lorraine, (France)
* Corresponding author: benzidnihel@gmail.com
The absorption refrigeration machines represent a good alternative to compression refrigeration machines but the major problem of this type of refrigeration lies in the COP, which seems to be less efficient. Several researches are carried out to improve the performances of these machines such as the combination with the technology of the ejectors. In this work, we are interested in the three ammonia-water absorption cycles: Single effect absorption, Ejector-absorption and Combined ejector-flash tank absorption cycles. A gas-gas ejector would be installed between the generator and the condenser. We suppose that adding a flash tank between the condenser and the evaporator could help improve the entrainment ratio of the ejector. We used simulations in order to compare the performances of these three different cycles. The simulation results demonstrate that the combined ejector-flash tank absorption cycle performs better than others.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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