EXPERIMENTAL INVESTIGATION OF THE EFFECTS OF TEMPERATURE AND NANOPARTICLES VOLUME FRACTION ON THE VISCOSITY OF NON-NEWTONIAN HYBRID NANOFLUID

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ESHGARF HAMED; AFRAND MASOUD; HEMMAT ESFE MOHAMMAD

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:3 Page(s): 98-104

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Information Journal Paper

Title

EXPERIMENTAL INVESTIGATION OF THE EFFECTS OF TEMPERATURE AND NANOPARTICLES VOLUME FRACTION ON THE VISCOSITY OF NON-NEWTONIAN HYBRID NANOFLUID

Author(s)

ESHGARF HAMED | AFRAND MASOUD | HEMMAT ESFE MOHAMMAD | Issue Writer Certificate

Keywords

VISCOSITYQ1

HYBRID NANOFLUIDQ1

NON-NEWTONIAN BEHAVIORQ1

EXPERIMENTAL INVESTIGATIONQ1

Abstract

In this paper, the effects of temperature and nanoparticles volume fraction on the VISCOSITY of non-Newtonian HYBRID NANOFLUID, containing water and ethylene glycol as a base fluid and multi-walled carbon nanotubes (MWCNTs) and silica (SiO2) as additives, have been investigated experimentally. The measurements have been carried out in temperatures range of 27.5oC-50oC by using a Brookfield DV-I PRIME digital Viscometer for different shear rates. The stable and homogeneous samples, with the solid volume fractions of 0.0625%, 0.25%, 0.5%, 0.75%, 1%, 1.5% and 2%, were prepared by dispersing equal volumes of dry MWCNTs and SiO2 nanoparticles in a specified amount of the binary mixture of water/EG (50:50 %vol.). The measurement results at different shear rates showed that the base fluid possessed Newtonian behavior, while all nanofluid samples exhibit a pseudoplastic rheological behavior with a power law index of less than unity (n<1). Moreover, the consistency index and power law index have been obtained by accurate curve-fitting for all nanofluid samples. The results also revealed that the apparent VISCOSITY generally increases with an increase in the solid volume fraction and decreases with rising temperature.

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APA: Copy

ESHGARF, HAMED, AFRAND, MASOUD, & HEMMAT ESFE, MOHAMMAD. (2016). EXPERIMENTAL INVESTIGATION OF THE EFFECTS OF TEMPERATURE AND NANOPARTICLES VOLUME FRACTION ON THE VISCOSITY OF NON-NEWTONIAN HYBRID NANOFLUID. MODARES MECHANICAL ENGINEERING, 16(3), 98-104. SID. https://sid.ir/paper/178524/en

Vancouver: Copy

ESHGARF HAMED, AFRAND MASOUD, HEMMAT ESFE MOHAMMAD. EXPERIMENTAL INVESTIGATION OF THE EFFECTS OF TEMPERATURE AND NANOPARTICLES VOLUME FRACTION ON THE VISCOSITY OF NON-NEWTONIAN HYBRID NANOFLUID. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(3):98-104. Available from: https://sid.ir/paper/178524/en

IEEE: Copy

HAMED ESHGARF, MASOUD AFRAND, and MOHAMMAD HEMMAT ESFE, “EXPERIMENTAL INVESTIGATION OF THE EFFECTS OF TEMPERATURE AND NANOPARTICLES VOLUME FRACTION ON THE VISCOSITY OF NON-NEWTONIAN HYBRID NANOFLUID,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 3, pp. 98–104, 2016, [Online]. Available: https://sid.ir/paper/178524/en

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