Experimental investigation of silica gel and zeolite coated fin-tube heat exchangers under arid climatic conditions
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21720%2F22%3A00359087" target="_blank" >RIV/68407700:21720/22:00359087 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.egyr.2022.06.115" target="_blank" >https://doi.org/10.1016/j.egyr.2022.06.115</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.egyr.2022.06.115" target="_blank" >10.1016/j.egyr.2022.06.115</a>
Alternative languages
Result language
angličtina
Original language name
Experimental investigation of silica gel and zeolite coated fin-tube heat exchangers under arid climatic conditions
Original language description
In this paper, a novel concept of an atmospheric water generator (AWG) based on desiccant coated heat exchangers (DCHEs) is presented. Two silica gel coated heat exchangers (SGCHEs) and two zeolite coated heat exchangers (ZCHEs) were prepared by coating a desiccant material on the surface of a conventional air-to-water fin-tube heat exchanger. An experimental set-up was built to investigate the performance characteristics of the prepared DCHEs in terms of the moisture removal capacity MRC, the effective duration of the process , and the total moisture mass transferred during the dehumidification/regeneration cycle MT. The influence of the regeneration hot-water temperature on the performance characteristics was also analysed. The experimental results showed that ZCHEs have better performance characteristics under arid climatic conditions than SGCHEs. It was found that the ZCHEs have approximately four times higher value of the moisture transferred during the dehumidification/generation cycle MT compared to the SGCHEs, 10.15 g for the ZCHEs and 2.60 g for the SGCHEs. Moreover, it can be concluded that the influence of the regeneration water temperature for ZCHEs is not as critical as for SGCHEs. The experimental results indicated that when the regeneration hot-water temperature decreases from 85 °C to 65 °C, the moisture transferred during the dehumidification/regeneration cycle MT for the ZCHEs decreases from 10.15 g to 7.11 g representing a 30% decrease in the system performance, while for the SGCHEs the same decrease in the regeneration hot-water temperature causes a significant decrease in the moisture mass transferred during the cycle MT from 2.60 g to 0.85 g, representing a 67% decrease in the system performance.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20704 - Energy and fuels
Result continuities
Project
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Continuities
O - Projekt operacniho programu
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Energy Reports
ISSN
2352-4847
e-ISSN
2352-4847
Volume of the periodical
8
Issue of the periodical within the volume
9
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
11
Pages from-to
331-341
UT code for WoS article
000824053600029
EID of the result in the Scopus database
2-s2.0-85134586309