Effect of Metal and Carbon Nanotube Additives on the Thermal Diffusivity of a Silica Gel-Based Adsorption Bed

Anna Kulakowska, Anna Pajdak, Jaroslaw Krzywanski, Karolina Grabowska, Anna Zylka, Marcin Sosnowski, Marta Wesolowska, Karol Sztekler and Wojciech Nowak
Additional contact information
Anna Kulakowska: Faculty of Science and Technology, Jan Dlugosz University, 13/15 Armii Krajowej Av, PL42-200 Czestochowa, Poland
Anna Pajdak: The Strata Mechanics Research Institute of the Polish Academy of Sciences, 27 Reymonta St., PL30-059 Cracow, Poland
Jaroslaw Krzywanski: Faculty of Science and Technology, Jan Dlugosz University, 13/15 Armii Krajowej Av, PL42-200 Czestochowa, Poland
Karolina Grabowska: Faculty of Science and Technology, Jan Dlugosz University, 13/15 Armii Krajowej Av, PL42-200 Czestochowa, Poland
Anna Zylka: Faculty of Science and Technology, Jan Dlugosz University, 13/15 Armii Krajowej Av, PL42-200 Czestochowa, Poland
Marcin Sosnowski: Faculty of Science and Technology, Jan Dlugosz University, 13/15 Armii Krajowej Av, PL42-200 Czestochowa, Poland
Marta Wesolowska: Faculty of Energy and Fuels, AGH University of Science and Technology, 30 Mickiewicza St., PL30-059 Cracow, Poland
Karol Sztekler: Faculty of Energy and Fuels, AGH University of Science and Technology, 30 Mickiewicza St., PL30-059 Cracow, Poland
Wojciech Nowak: Faculty of Energy and Fuels, AGH University of Science and Technology, 30 Mickiewicza St., PL30-059 Cracow, Poland

Energies, 2020, vol. 13, issue 6, 1-15

Abstract: This article presents a study of the effect of metal particle and carbon nanotube additives on the thermal diffusivity of a silica-gel-based adsorption bed of an adsorption chiller. The structural properties of silica gel and carbon nanotubes were investigated using the volumetric method of low-pressure nitrogen adsorption. Thermal characteristic tests of the prepared mixtures based on a silica gel with 5 wt% and 15 wt% of aluminum, copper, or carbon nanotubes were carried out. The obtained results show that all the materials used as additives in blends in this study achieved higher thermal diffusivities in comparison with the thermal diffusivity of the parent silica gel. However, the best effect was observed for the mixture with 15 wt% aluminum.

Keywords: silica gel; thermal diffusivity; carbon nanotubes; adsorption chiller (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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