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Browsing by Author "Adnan"

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    Article
    Citation - WoS: 31
    Citation - Scopus: 33
    A Novel Hybrid Model for Cu-Al2O3/H2O Nanofluid Flow and Heat Transfer in Convergent/Divergent Channels
    (Mdpi, 2020) Khan, Umar; Baleanu, Dumitru; Adnan; Ahmed, Naveed; Mohyud-Din, Syed Tauseef; Baleanu, Dumitru; Ilyas Khan; Nisar, Kottakkaran Sooppy; 56389; Matematik
    In the present study, our aim is to present a novel model for the flow of hybrid nanofluids in oblique channels. Copper and aluminum oxide have been used to obtain a novel hybrid nanofluid. The equations that govern the flow of hybrid nanofluids have been transformed to a set of nonlinear equations with the implementation of self-similar variables. The resulting system is treated numerically by using coupled shooting and Runge-Kutta (R-K) scheme. The behavior of velocity and temperature is examined by altering the flow parameters. The cases for narrowing (convergent) and opening (divergent) channels are discussed, and the influence of various parameters on Nusselt number is also presented. To indicate the reliability of the study, a comparison is made that confirms the accuracy of the study presented.
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    Article
    Citation - WoS: 6
    Citation - Scopus: 8
    Second Law Analysis of Magneto Radiative GO-MoS2/H2O-(CH2OH)2 Hybrid Nanofluid
    (Tech Science Press, 2021) Adnan; Baleanu, Dumitru; Khan, Umar; Ahmed, Naveed; Mohyud-Din, Syed Tauseef; Baleanu, Dumitru; Nisar, Kottakkaran Sooppy; Khan, Ilyas; 56389; Matematik
    Entropy Generation Optimization (EGO) attained huge interest of scientists and researchers due to its numerous applications comprised in mechanical engineering, air conditioners, heat engines, thermal machines, heat exchange, refrigerators, heat pumps and substance mixing etc. Therefore, the study of radiative hybrid nanofluid (GO-MoS2/C2H6O2-H2O) and the conventional nanofluid (MoS2/C2H6O2-H2O) is conducted in the presence of Lorentz forces. The flow configuration is modeled between the parallel rotating plates in which the lower plate is permeable. The models which govern the flow in rotating system are solved numerically over the domain of interest and furnished the results for the temperature, entropy generation and thermophysical characteristics of the hybrid as well as conventional nanofluids, respectively. It is examined that the thermal profile intensifies against stronger thermal radiations and magnetic field. The surface of the plate is heated due to the imposed thermal radiations and magnetic field which cause the increment in the temperature. It is also observed that the temperature declines against more rotating plates. Further, the entropy production increases for more dissipative effects and declines against more magnetized fluid. Thermal conductivities of the hybrid nanofluid enhances promptly in comparison with regular liquid therefore, under consideration hybrid nanofluid is reliable for the heat transfer. Moreover, dominating thermal transport is perceived for the hybrid nanofluid which showed that hybrid suspension GO-MoS2/C2H6O2-H2O is better for industrial, engineering and technological uses.