Statistical analysis of thermal conductivity of nanofluid containing decorated multi-walled carbon nanotubes with TiO2 nanoparticles
In this paper, we report for the first time the statistical analysis of thermal conductivity of nanofluids containing TiO 2 nanoparticles, pristine MWCNTs and decorated MWCNTs with different amounts of TiO 2 nanoparticles. The functionalized MWCNT and synthesized hybrid of MWCNT-TiO 2 were character...
Saved in:
Published in | Bulletin of materials science Vol. 37; no. 6; pp. 1439 - 1445 |
---|---|
Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
India
Springer India
01.10.2014
Springer Nature B.V |
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | In this paper, we report for the first time the statistical analysis of thermal conductivity of nanofluids containing TiO
2
nanoparticles, pristine MWCNTs and decorated MWCNTs with different amounts of TiO
2
nanoparticles. The functionalized MWCNT and synthesized hybrid of MWCNT-TiO
2
were characterized using transmission electron microscopy (TEM). TEM image confirmed that the ends of MWCNTs were opened during their oxidation of them in HNO
3
and TiO
2
nanoparticles successfully attach to the outer surface of oxidized MWCNTs. Thermal conductivity measurements of nanofluids were analysed via two-factor completely randomized design and comparison of data means is carried out with Duncan’s multiple-range test. Statistical analysis of experimental data show that temperature and weight fraction have a reasonable impact on the thermal conductivity of all tested nanofluids (
α
= 0.05). The results also show that increased temperature and weight fraction leads to the increased thermal conductivity. |
---|---|
ISSN: | 0250-4707 0973-7669 |
DOI: | 10.1007/s12034-014-0094-2 |