Namburu et al. (2007)Namburu, P.K., Kulkarni, D.P. Dandekar, A. Das, D.K., Experimental investigation of viscosity and specific heat of silicon dioxide nanofluids, Micro & Nano Letters, 2 67-71 (2007).
|
SiO2
|
20, 50, 100 |
60:40 EG:W |
0-10 |
The viscosity decreases with increasing nanoparticle size |
Chevalier et al. (2007)Chevalier, J., Tillement, O. Ayela, F., Rheological properties of nanofluids flowing through microchannels, Applied Physics Letters, 91, 233103 (2007).
|
SiO2
|
35, 94, 190 |
Ethanol |
1.4, 7 |
The viscosity decreases with increasing nanoparticle size |
Zhao et al. (2009)Zhao, J.F., Luo, Z.Y., Ni, M.J., Cen, K.F., Dependency of nanofluid viscosity on particle size and pH value, Chinese Physics Letters, 26, 066202 (2009).
|
SiO2
|
7, 12, 16, 20, 40 |
Water |
0.1-2 |
The viscosity decreases with increasing nanoparticle diameter |
Rudyak et al., 2013Rudyak, V.Y., Dimov, S.V., Kuznetsov, V.V. and Bardakhanov, S.P., Measurement of the viscosity coefficient of an ethylene glycol-based nanofluid with silicon di-oxide particles, Doklady Physics, 58 173-176 (2013).
|
SiO2
|
18.1, 28.3, 45.6 |
Ethylene glycol |
0.25-7 |
The viscosity decreases with increasing nanoparticle size |
TimofeevaTimofeeva, E.V., Smith, D.S., Yu, W., France, D.M. Singh, D., and Routbort, J.L., Particle size and interfacial effects on thermo-physical and heat transfer characteristics of water-based α-SiC nanofluids, Nanotechnology, 21(21), 215703 (2010). et al. (2010) |
SiC |
16, 29, 66, 90 |
Water |
4.1 |
The viscosity decreases with increasing nanoparticle size |
Chang et al. (2005)Chang, H., Jwo, C.S. Lo., C.H. Tsung, T.T. Kao, M.J. Lin, H.M., Rheology of CuO nanoparticle suspension prepared by ASNSS, Rev. Adv. Mater. Sci., 10 128-132 (2005).
|
CuO |
30, 75, 150 |
Water |
Na |
The viscosity decreases with increasing nanoparticle size |
Pastoriza-Gallego et al. (2011)Pastoriza-Gallego, M.J., Casanova, C., Legido, J.L., Piñeiro, M.M., CuO in water nanofluid: Influence of particle size and polydispersity on volumetric behaviour and viscosity, Fluid Phase Equilibria, 300(1-2), 183-196 (2011).
|
CuO |
33±13, 11±3 |
Water |
0.16-1.7 |
The viscosity decreases with increasing nanoparticle size |
Anoop et al. (2009)Anoop, K.B., Sundararajan, T., Das, S.K., Effect of particle size on the convective heat transfer in nanofluid in the developing region, International Journal of Heat and Mass Transfer, 52(9-10), 2189-2195 (2009).
|
Al2O3
|
45, 150 |
Water |
0.26- 1.61 |
The viscosity decreases with increasing nanoparticle size |
Shanker et al. (2012)Shanker, N.S., Reddy, M.C.S., Basava Rao, V.V., On prediction of viscosity of nanofluids for low volume fraction of nanoparticles, International Journal of Engineering Research & Technology, 1 1-10 (2012).
|
Al2O3
|
24, 45 |
70:30 Glycerol: Water |
0.001-0.1 |
The viscosity decreases with increasing nanoparticle size |
He et al. (2007)He, Y., Jin, Y. Chen, H. Ding, Y. Cang, D. Lu, H., Heat transfer and flow behaviour of aqueous suspensions of TiO2 nanoparticles (nanofluids) flowing upward through a vertical pipe, International Journal of Heat and Mass Transfer, 50 2272-2281 (2007).
|
TiO2
|
95, 145, 210 |
Water |
0.6 |
The viscosity increases with increasing nanoparticle size |
Nguyen et al. (2007)Nguyen, C.T., Desgranges, F., Roy, G., Galanis, N., Maré, T., Boucher, S., Angue Mintsa, H., Temperature and particle-size dependent viscosity data for water-based nanofluids - Hysteresis phenomenon, International Journal of Heat and Fluid Flow, 28(6) 1492-1506 (2007).
|
Al2O3
|
36, 47 |
Water |
1-12 |
At high particle concentrations, viscosities of 47 nm particles are found to be higher than that of 36 nm |
Prasher et al. (2006)Prasher, R., Song, D., Wang, J., Phelan, P., Measurement of nanofluid viscosity and its implications for thermal applications, Applied Physics Letters, 89(13), 133108 (2006).
|
Al2O3
|
27, 40, 50 |
Propylene glycol |
0.5-3 |
The relative viscosity is almost independent of the particle size |