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Nanoscience and Technology: An International Journal
ESCI SJR: 0.219 SNIP: 0.484 CiteScore™: 0.37

ISSN Print: 2572-4258
ISSN Online: 2572-4266

Nanoscience and Technology: An International Journal

Formerly Known as Nanomechanics Science and Technology: An International Journal

DOI: 10.1615/NanomechanicsSciTechnolIntJ.v4.i2.40
pages 145-156

THERMAL CONDUCTIVITY AND VISCOSITY OF TiO2−ENGINE OIL NANOFLUIDS

Mohammadhassan Vasheghani
Renewable Energy Department, Materials and Energy Research Center, 14155-4777, Iran
Ehsan Marzbanrad
Electronics Department, University of Waterloo, Waterloo, Canada
Cyrus Zamani
Electronics Department, University of Barcelona, Barcelona, Spain
Mohamed Aminy
New Materials Department, Materials and Energy Research Center Tehran, 14155-4777, Iran
Babak Raissi
Ceramic Department, Materials and Energy Research Center Tehran, 14155-4777, Iran

ABSTRACT

In the present study, the hot wire method was used to measure the thermal conductivity of micro- and nanofluids. Also, the Hamilton−Crosser and Einstein correlations were employed to estimate the thermal conductivity and viscosity, respectively. Comparing experimental and calculated results revealed the differences between them. Also, it was found that by adding 3 wt.% of TiO2 nano- or microparticles to engine oil, its thermal conductivity increased by 57% and 23%, respectively. The corresponding viscosity increases for the same amount of TiO2 nano- and microparticles were 8% and 7%, respectively.


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