Browsing by Author "Sabiha, M.A."

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    Citation - WoS: 200
    Citation - Scopus: 245
    Performance enhancement of a Flat Plate Solar collector using Titanium dioxide nanofluid and Polyethylene Glycol dispersant
    (Elsevier Ltd, 2015) Zafar Said; M. A. Sabiha; Rahman Saidur; A. Hepbasli; Nasrudin Abd Rahim; Saad Mekhilef; Thomas Arthur Ward; Said, Z.; Sabiha, M.A.; Hepbasli, A.; Rahim, N.A.; Mekhilef, S.; Ward, T.A.; Saidur, R.
    The use of TiO2-water nanofluid as a working fluid for enhancing the performance of a flat plate solar collector has been studied. The volume fraction of the nanoparticles was 0.1% and 0.3% respectively while the mass flow rates of the nanofluid varied from 0.5 to 1.5 kg/min respectively. Thermo-physical properties and reduced sedimentation for TiO2-nanofluid was obtained using PEG 400 dispersant. The results reveal the impact and importance of each of these parameters. Energy efficiency increased by 76.6% for 0.1% volume fraction and 0.5 kg/min flow rate whereas the highest exergy efficiency achieved was 16.9% for 0.1% volume fraction and 0.5 kg/min flow rate. Results showed that the pressure drop and pumping power of TiO2 nanofluid was very close to the base fluid for the studied volume fractions. © 2021 Elsevier B.V. All rights reserved.