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D.C. Venerus, J. Buongiorno, R. Christianson, J. Townsend, I.C. Bang, G. Chen, S.J. Chung, M. Chyu, H. Chen, Y. Ding, F. Dubois, G. Dzido, D. Funfschilling, Q. Galand, J. Gao, H. Hong, M. Horton, Lin-wen Hu, C.S. Iorio, A.B. Jarzebski, Y. Jiang, S. Kabelac, M.A Kedzierski, C. Kim, Ji-Hyun Kim, S. Kim, T. McKrell, R. Ni, J. Philip, N. Prabhat, P. Song, S. Van Vaerenbergh, D. Wen, S. Witharana, Xiao-Zheng Zhao, Sheng-Qi Zhou
Viscosity measurements on colloidal dispersions (nanofluids) for heat transfer applications
Appl. Rheol. 20:4 (2010) 44582 (7 pages)
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This article reports viscosity data on a series of colloidal dispersions collected as part of the International Nanofluid Property
Benchmark Exercise (INPBE). Data are reported for seven different fluids that include dispersions of metal-oxide nanoparticles
in water, and in synthetic oil. These fluids, which are also referred to as 'nanofluids,' are currently being researched for
their potential to function as heat transfer fluids. In a recently published paper from the INPBE study, thermal conductivity
data from more than 30 laboratories around the world were reported and analyzed. Here, we examine the influence of particle
shape and concentration on the viscosity of these same nanofluids and compare data to predictions from classical theories
on suspension rheology.
► Cite this publication as follows:
Venerus DC, Buongiorno J, Christianson R, Townsend J, Bang I, Chen G, Chung S, Chyu M, Chen H, Ding Y, Dubois F, Dzido G, Funfschilling D, Galand Q, Gao J, Hong H, Horton M, Hu L-W, Iorio CS, Jarzebski AB, Jiang Y, Kabelac S, Kedzierski MA, Kim C, Kim J-H, Kim S, McKrell T, Ni R, Philip J, Prabhat N, Song P, VanVaerenbergh S, Wen D, Witharana S, Zhao X-Z, Zhou S-Q: Viscosity measurements on colloidal dispersions (nanofluids) for heat transfer applications, Appl. Rheol. 20 (2010) 44582.
David C. Venerus
Free Surface Effects on Normal Stress Measurements in Cone and Plate Flow
Appl. Rheol. 17:3 (2007) 36494 (6 pages)
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The effects of free surface shape on normal stress difference measurements in cone and plate flow are investigated.
The analysis shows that the stress field is significantly altered by deviations of the free surface from an
ideal (spherical) shape. For the cone and partitioned plate technique, it is shown how modest deviation from a
spherical free surface shape can lead to errors of roughly 10% in the measured normal stress differences.
► Cite this publication as follows:
Venerus DC: Free Surface Effects on Normal Stress Measurements in Cone and Plate Flow, Appl. Rheol. 17 (2007) 36494.
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