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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)


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.

Chelsea A. Braybrook, Jennifer A. Lee, Philip.J. Bates, Marianna Kontopoulou
Development of a Sliding Plate Rheometer to Measure the High Frequency Viscoelastic Properties of Polymer Melts

Appl. Rheol. 17:6 (2007) 62563 (8 pages)

A newly designed and constructed sliding plate rheometer is used to measure the high frequency (210 Hz) linear viscoelastic properties of two model polymers: polybutene (PB) and polydimethylsiloxane (PDMS). Using well-known rheological models, extrapolations of the viscoelastic measurements obtained on a rotational parallel plate rheometer to a frequency of 210 Hz are used to assess the performance of the high frequency sliding plate rheometer. Good agreement between the extrapolated and measured data demonstrates the ability of the sliding plate rheometer to measure the high frequency rheological properties of both Newtonian and shear-thinning materials.

Cite this publication as follows:
Braybrook CA, Lee JA, Bates PJ, Kontopoulou M: Development of a Sliding Plate Rheometer to Measure the High Frequency Viscoelastic Properties of Polymer Melts, Appl. Rheol. 17 (2007) 62563.


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