The basic theme of this investigation is to analyze heat and mass transport for three-dimensional (3D) stagnation-point flow of nanofluid caused by an exponentially stretched surface when water is treated as base fluid. In this study, we invoked the boundary layer phenomena and suitable similarity transformation of exponential character; as a result, our 3D nonlinear equations of momentum and energy are transmuted into nonlinear and nonhomogeneous differential equations involving ordinary derivatives. Final equations are then puzzled out by applying homotopy analysis technique. Interesting outcomes of aggressing parameters involved in this study, and effecting profiles of temperature field and velocity are explained in detail. Graphical results of involved parameters appearing in considered nanofluid are presented separately. Different aspects of skin friction coefficient as well as Nusselt number are calculated. It is worth mentioning that skin friction (as we go) along x and y-direction is maximal for Cu-water nanofluid and minimal for water nanofluid. Also, the resulting quantity of local Nusselt number came out maximum for Cu-water nanofluid whereas minimum for water nanofluid.
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Heat Transfer Analysis for Three-Dimensional Stagnation-Point Flow of Water-Based Nanofluid Over an Exponentially Stretching Surface
Fiaz Ur Rehman,
Fiaz Ur Rehman
Department of Mathematics,
Govt. Postgraduate College No. 1,
Abbottabad 22010, Pakistan
e-mail: tanolig@gmail.com
Govt. Postgraduate College No. 1,
Abbottabad 22010, Pakistan
e-mail: tanolig@gmail.com
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Sohail Nadeem
Sohail Nadeem
Department of Mathematics,
Quaid-I-Azam University,
Islamabad 44000, Pakistan
Quaid-I-Azam University,
Islamabad 44000, Pakistan
Search for other works by this author on:
Fiaz Ur Rehman
Department of Mathematics,
Govt. Postgraduate College No. 1,
Abbottabad 22010, Pakistan
e-mail: tanolig@gmail.com
Govt. Postgraduate College No. 1,
Abbottabad 22010, Pakistan
e-mail: tanolig@gmail.com
Sohail Nadeem
Department of Mathematics,
Quaid-I-Azam University,
Islamabad 44000, Pakistan
Quaid-I-Azam University,
Islamabad 44000, Pakistan
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received January 22, 2017; final manuscript received August 29, 2017; published online January 17, 2018. Assoc. Editor: Zhuomin Zhang.
J. Heat Transfer. May 2018, 140(5): 052401 (7 pages)
Published Online: January 17, 2018
Article history
Received:
January 22, 2017
Revised:
August 29, 2017
Citation
Ur Rehman, F., and Nadeem, S. (January 17, 2018). "Heat Transfer Analysis for Three-Dimensional Stagnation-Point Flow of Water-Based Nanofluid Over an Exponentially Stretching Surface." ASME. J. Heat Transfer. May 2018; 140(5): 052401. https://doi.org/10.1115/1.4038359
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