Adsorptive Solar Refrigerators Based on Composite Adsorbents ’Silica Gel – Sodium Sulphate’
| Author(s): |
Elena A. Belyanovskaya
(Department of Power Engineering , State Higher Education Institution ‘Ukrainian State University of Chemical Engineering’ , Gagarine av. 8, Dnipro , Ukraine)
Grigoriy N. Pustovoy (Department of Power Engineering , State Higher Education Institution ‘Ukrainian State University of Chemical Engineering’ , Gagarine av. 8, Dnipro , Ukraine) Kostyntyn M. Sukhyy (Department of Polymer and Nanocomposites , State Higher Education Institution ‘Ukrainian State University of Chemical Engineering’ , Gagarine av. 8, Dnipro , Ukraine) Yana O. Sergiyenko (Department of Polymer and Nanocomposites , State Higher Education Institution ‘Ukrainian State University of Chemical Engineering’ , Gagarine av. 8, Dnipro , Ukraine) Oleksandr O. Yeromin (Department of Ecology, Heat Transfer and Labour Protection , National Metallurgical Academy of Ukraine , Gagarine av. 4, Dnipro , Ukraine) Elena M. Prokopenko (Department of Ecology, Heat Transfer and Labour Protection , National Metallurgical Academy of Ukraine , Gagarine av. 4, Dnipro , Ukraine) Mikhailo V. Gubinskyi (Department of industrial power system , National Metallurgical Academy of Ukraine , Gagarine av. 4, Dnipro , Ukraine) Ján Kizek (Technical university of Košice , Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy , Letná 9, 042 00 Košice , Slovak Republic) Ladislav Lukáč (Technical university of Košice , Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy , Letná 9, 042 00 Košice , Slovak Republic) |
|---|---|
| Medium: | journal article |
| Language(s): | English |
| Published in: | Civil and Environmental Engineering Reports, September 2019, n. 3, v. 29 |
| Page(s): | 200-208 |
| DOI: | 10.2478/ceer-2019-0035 |
| Abstract: |
The operation processes of adsorptive solar refrigerators based on composite adsorbents ‘silica gel - sodium sulphate’ were studied. The correlation between the adsorbent composition and the coefficient of the energy performance of the device was stated. As a consequence of the decreasing of adsorbent mass, the coefficient of performance is increased when sodium sulphate content in the composite increased. Effect of the regeneration process parameters on the composite on the coefficient of performance of the adsorptive refrigenerator was stated. The growth of the coefficient of performance is shown to result from decreasing the difference between adsorbent temperature and regeneration temperature from 85 to 55°C. The maximum values of the coefficient of performance of studied solar adsorptive refrigenerator about of 1.14 are stated for composites containing about 20 wt. % silica gel and 80 wt. % sodium sulphate. |
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10705173 - Published on:
19/02/2023 - Last updated on:
19/02/2023
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