DC pole | Wartość | Język |
dc.contributor.author | Brzóska, Karolina | - |
dc.contributor.author | Golba, Adrian | - |
dc.contributor.author | Kuczak, Michał | - |
dc.contributor.author | Mrozek-Wilczkiewicz, Anna | - |
dc.contributor.author | Boncel, Sławomir | - |
dc.contributor.author | Dzida, Marzena | - |
dc.date.accessioned | 2021-06-01T10:29:28Z | - |
dc.date.available | 2021-06-01T10:29:28Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | "ACS Sustainable Chemistry and Engineering" (2021), Vol. 9, no. 21, s. 7369-7378 | pl_PL |
dc.identifier.issn | 2168-0485 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.12128/20330 | - |
dc.description.abstract | Nanofluids (NFs) as a new generation of heat
transfer media can be applied inter alia as engine coolants, in the
microelectronic industry for the cooling of electronic components
and systems, and in solar panels. In the present study, the
extraordinarily, that is, more than 1 year, stable NFs composed of
multi-walled carbon nanotubes (MWCNTs), biomass-derived 1,2-
propanediol or 1,3-propanediol, and poly(N-vinylpyrrolidone)
were created and studied. The thermal conductivity and density
of NFs did not change over 8 months, and NFs did not sediment
over 14 months. The real image of NFs determined using
transmission electron cryo-microscopy allowed us to prove that the
extraordinary stability and enhanced thermal conductivity were
resulted by fully individualized MWCNTs in the continuous phase
and MWCNTs stabilized in dispersions by shorter carbon nanoparticles and mostly homogenous poly(N-vinylpyrrolidone) coating.
The maximum enhancement in thermal conductivity was 22 and 20% for NFs composed of 2 wt % MWCNTs in comparison with
that of pure 1,2-propanediol and 1,3-propanediol, respectively. The improved thermal properties were accompanied by the
practically Newtonian nature of all NFs. The cytotoxicity test on normal human dermal fibroblasts indicated that the use of diols
diminished the toxicity of MWCNTs. Finally, the thermal conductivity and Prandtl number of bio-based NFsas compared with
those of commercial heat transfer fluids DOWCAL 200 and DOWCAL Npredestine them as superb green heat transfer media in
sustainable energy systems. | pl_PL |
dc.language.iso | en | pl_PL |
dc.rights | Uznanie autorstwa 3.0 Polska | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/pl/ | * |
dc.subject | nanofluids | pl_PL |
dc.subject | 1,2-propanediol | pl_PL |
dc.subject | 1,3-propanediol | pl_PL |
dc.subject | multi-walled carbon nanotubes | pl_PL |
dc.subject | thermal conductivity | pl_PL |
dc.subject | green media | pl_PL |
dc.subject | heat transfer fluids | pl_PL |
dc.title | Bio-based nanofluids of extraordinary stability and enhanced thermal conductivity as sustainable green heat transfer media | pl_PL |
dc.type | info:eu-repo/semantics/article | pl_PL |
dc.identifier.doi | 10.1021/acssuschemeng.1c01944 | - |
Pojawia się w kolekcji: | Artykuły (WNŚiT)
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