CLC number: TK124
On-line Access: 2015-06-04
Received: 2014-05-05
Revision Accepted: 2014-11-18
Crosschecked: 2015-05-07
Cited: 3
Clicked: 5351
Citations: Bibtex RefMan EndNote GB/T7714
Yu-fei Wang, Xu Xu, Tian Tian, Li-wu Fan, Wen-long Wang, Zi-tao Yu. Laminar mixed convection heat transfer of SiC-EG nanofluids in a triangular enclosure with a rotating inner cylinder: simulations based on the measured thermal conductivity and viscosity[J]. Journal of Zhejiang University Science A, 2015, 16(6): 478-490.
@article{title="Laminar mixed convection heat transfer of SiC-EG nanofluids in a triangular enclosure with a rotating inner cylinder: simulations based on the measured thermal conductivity and viscosity",
author="Yu-fei Wang, Xu Xu, Tian Tian, Li-wu Fan, Wen-long Wang, Zi-tao Yu",
journal="Journal of Zhejiang University Science A",
volume="16",
number="6",
pages="478-490",
year="2015",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1400120"
}
%0 Journal Article
%T Laminar mixed convection heat transfer of SiC-EG nanofluids in a triangular enclosure with a rotating inner cylinder: simulations based on the measured thermal conductivity and viscosity
%A Yu-fei Wang
%A Xu Xu
%A Tian Tian
%A Li-wu Fan
%A Wen-long Wang
%A Zi-tao Yu
%J Journal of Zhejiang University SCIENCE A
%V 16
%N 6
%P 478-490
%@ 1673-565X
%D 2015
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1400120
TY - JOUR
T1 - Laminar mixed convection heat transfer of SiC-EG nanofluids in a triangular enclosure with a rotating inner cylinder: simulations based on the measured thermal conductivity and viscosity
A1 - Yu-fei Wang
A1 - Xu Xu
A1 - Tian Tian
A1 - Li-wu Fan
A1 - Wen-long Wang
A1 - Zi-tao Yu
J0 - Journal of Zhejiang University Science A
VL - 16
IS - 6
SP - 478
EP - 490
%@ 1673-565X
Y1 - 2015
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1400120
Abstract: A numerical study has been carried out for a laminar steady mixed convection flow in a 2D triangular enclosure with an inner rotating coaxial cylinder, with the enclosure filled with ethylene glycol-silicon carbide (SiC-EG). The thermal conductivity and viscosity of the SiC-EG nanofluids were experimentally determined by using a Decagon Devices KD2 Pro thermal property meter and a rotational Brookfield viscometer, respectively. Various pertinent parameters, such as the dimensionless rotation velocity, solid volume fraction, dimensionless radius of the inner cylinder, and rayleigh numbers, were analyzed to determine their influences on heat transfer and fluid flow. Results clearly show how the direction of rotation of the cylinder affects the thermal performance in a triangular enclosure. It is found that the average Nusselt number increases with rise in the rayleigh number or as more nanoparticles are added to the base liquid. It was also observed that at constant rayleigh number, different rotational conditions have remarkable effects on the flow and heat transfer characteristics.
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