Effect of Ultrasonication Duration on Colloidal Structure and Viscosity of Alumina–Water Nanofluid

• Main Authors: Mahbubul, I.M., Chong, T.H., Khaleduzzaman, S.S., Shahrul, I.M., Saidur, Rahman, Long, B.D., Amalina, Muhammad Afifi
• Format: Article
• Published: American Chemical Society 2014
• Subjects: TA Engineering (General). Civil engineering (General); TJ Mechanical engineering and machinery
• Online Access: http://eprints.um.edu.my/11831/; http://pubs.acs.org/doi/abs/10.1021/ie500705j; http://doi.org/10.1021/ie500705j

Nanofluids are promising fluids for heat-transfer applications. Low stability and high viscosity are two important drawbacks for practical applications of nanofluids. The aggregation and sedimentation of nanoparticles are related to the colloidal structure of nanofluids, which directly affects the s...