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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.
Czasopismo
Rocznik
Tom
Strony
200--208
Opis fizyczny
Bibliogr. 14 poz., rys., tab.
Twórcy
autor
- Department of Power Engineering, State Higher Education Institution ‘Ukrainian State University of Chemical Engineering’, Dnipro, Ukraine
autor
- Department of Power Engineering, State Higher Education Institution ‘Ukrainian State University of Chemical Engineering’, Dnipro, Ukraine
autor
- Department of Polymer and Nanocomposites, State Higher Education Institution Ukrainian State University of Chemical Engineering, Dnipro, Ukraine
autor
- Department of Polymer and Nanocomposites, State Higher Education Institution Ukrainian State University of Chemical Engineering, Dnipro, Ukraine
autor
- Department of Ecology, Heat Transfer and Labour Protection, National Metallurgical Academy of Ukraine, Dnipro, Ukraine
autor
- Department of Ecology, Heat Transfer and Labour Protection, National Metallurgical Academy of Ukraine, Dnipro, Ukraine
autor
- Department of Ecology, Heat Transfer and Labour Protection, National Metallurgical Academy of Ukraine, Dnipro, Ukraine
autor
- Technical university of Košice, Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy, Košice, Slovak Republic
autor
- Technical university of Košice, Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy, Košice, Slovak Republic
Bibliografia
- 1. Rimar, M, Fedak, M, Hatala, M and Smeringai, P 2015. The synergistic effect of thermal collectors rotation in relation to their energy efficiency and stagnation compared with the static thermal system in the conditions of central Europe. International Journal of Photoenergy 2015, 19.
- 2. Rimar, M, Kuna, Š and Fedak, M 2014. Energy yield of solar panels in the system of their position control 2014. Applied Mechanics and Materials: ICSEEE 2013: 2nd International Conference on Sustainable Energy and Environmental Engineering: Shenzhen, China, 28-29 December 2013. 521, 37-40.
- 3. Lu, ZS, Wang, RZ, Xia, ZZ, Wu, QB, Sun, YM and Chen, ZY 2011. An analysis of the performance of a novel solar silica gel - water adsorption air conditioning. Applied Thermal engineering 31(17–18), 3636–3642.
- 4. Santori, G and Di Santis, Ch 2017. Optimal fluids for adsorptive cooling and heating. Sustainable Materials and Technologies 12, 52–61.
- 5. Bao, HS, Oliveira, RG, Wang, RZ, Wang, LW and Ma, ZW 2011. Working pairs for resorption refrigerator. Applied Thermal Engineering 31(14-15), 3015–3021.
- 6. Zhong, Y, Critoph, RE, Thorpe, RN, Tamainot-Telto, Z and Aristov, YI, 2007. Isothermal sorption characteristics of the BaCl2–NH3 pair in a vermiculite host matrix. Applied Thermal Engineering 27(14-15), 2455–2462.
- 7. Li, SL, Xia, ZZ, Wu, JY, Li, J, Wang, RZ and Wang, LW 2010. Experimental study of a novel CaCl2/expanded graphite-NH3 adsorption refrigerator. International Journal of Refrigeration 33(1), 61–69.
- 8. Maggio, G, Gordeeva, LG, Freni, A, Aristov, YuI, Santori, G, Polonara, F. and Restuccia, G 2009. Simulation of a solid sorption ice-maker based on the novel composite sorbent “lithium chloride in silica gel pores”. Applied Thermal Engineering 29(8-9), 1714–1720.
- 9. Sukhyy, K, Belyanovskaya, E, Kovalenko, V, Kotok, V, Sukhyy, M, Kolomiyets, E, Gubynskyi, M, Yeromin, O and Prokopenko, O 2018. The study of properties of composite adsorptive materials “silica gel – crystalline hydrate” for heat storage devices. Eastern-European Journal of Enterprise Technologies 91(1), 52 – 58.
- 10. Sukhyy, KM, Belyanovskaya, EA, Kozlov, YaN, Kolomiyets, EV and Sukhyy, MP 2014. Structure and adsorption properties of the composites ‘silica gel – sodium sulphate’, obtained by sole gel method. Applied Thermal Engineering 64, 408–412.
- 11. Pat. 86227 Ukraina, МРK F 25 В 17/00. Adsorptsiyniy kholodilnik / Sukhyy К.М., Sukhyy М.P., Kolomiyets О.V. [ta in.]; Dergavniy vischthiy navchalniy zaklad “Ukrainskiy dergavniy khimiko-tekhnologitcheskiy universitet”. – № u 2013 05136; zayavl. 22.04.2013 opubl. 25.12.2013, Bul. № 24 (in Ukraine).
- 12. Fedak, M, Kulikov, A and Abraham, M 2018. Using a Tracker Rotation System with Flat Collectors to Increase System Efficiency. Advances in Thermal Processes and Energy Transformation 1(4), 78-82.
- 13. Kolomiyets, ОV, Belyanovska, ОА, Sukhyy, КМ, Prokopenko, ОМ, Kozlov, YaМ and Sukhyy, МP 2015. Osnovni robochi kharakteristiki sonyachnogo adsorbtsiynogo kholodilnika na osnovi kompositnogo sorbentu silikagel/Nа2SO4. Odeska natsionalna akademiya kharchovyh tekhnologiy. Naukovi pratsi, 2(47), 176–181, (in Ukraine).
- 14. Ostrov, M 1999. Rukovodstvo po raschetu teplovogo balansa kholodilnykh kamer і vyboru osnovnykh proektnykh parametrov kholodylnykh ustanovok, (in Russian).
Uwagi
PL
Typ dokumentu
Bibliografia
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