A time variant investigation on optical properties of water based Al2O3 nanofluid

Effect of particle shape on suspension stability and thermal conductivities of water-based bohemite alumina nanofluids

“…In nanofluids with ka < 5 [30], the repulsive interaction energy for the spherical shape can be used, as given by…”

Energy and exergy efficiency of a flat plate solar collector using pH treated Al2O3 nanofluid

“…for stability.Very few literatures are available on the stability of Al 2 O 3 nanofluids using different pH values (acidic or basic media)(Min, Akbulut et al 2008, Sajid, Said et al 2014. Moreover, Al 2 O 3 is totally insoluble in water and it is amphoteric in nature.…”

An experimental investigation of a low temperature Al2O3-H2O nanofluid based direct absorption solar collector

“…The experimental results are well justified. Sajid et al (2014) measured experimentally and theoretically the increase in optical properties like extinction coefficient and absorption coefficient of alumina-water nanofluid at such low volume fraction and suggested improvement in efficiency of direct absorption solar collector. The present experimental results are also in line and well justified.…”