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Title: The Study of nanofluid flows and it's Mathematical Analysis with Applications.
Authors: Zubair, Muhammad
Keywords: Physical Sciences
Issue Date: 2021
Publisher: Abdul Wali Khan University, Mardan
Abstract: In the current thesis the modeling of problems about nanofluid flow in spinning coordinates and its mathematical assessment with industrial and technological implementations are presented. Mathematical models for nanofluid between couple of parallel surfaces in a spinning coordinates are developed by assuming various physical situations. First, we examine the flow of nanofluids by applying non-uniform inertial effect through the Darcy Forchheimer medium between couple of parallel squeezing surfaces in a spinning coordinates. The nanofluid stream among couple of clutching parallel surfaces is considered with the influences of the Cattaneo-Christov heat flux. The stream of nanofluid is to be considered under steady condition. The rudimentary governing equations have been changed to a set of differential nonlinear and coupled equations using suitable similarity variables. An optimal approach has been used to acquire the solution of the modeled problems. The convergence of the method has been shown by the comparison table with another publication results. The impact of the Skin friction on velocity profile, Nusselt and Prandtl number on temperature profile, nanoparticle fraction by volume on Bejan number, impacts of porosity, Eckert and Prandtl number over entropy production are specially discussed. The influences of the Thermal radiation, Eckert number, Nano particle fraction by volume, rotation, and some other physical parameters mainly focus in this work. Moreover, for comprehension the physical presentation of the embedded parameters have been plotted and deliberated graphically. The Basic concept of fluid and their types, governing equations, thermal conductivity, dimensionless numbers, applications and the methodologies which are used in later chapters are presented in chapter one. Introduction, history, literature of the work is given in chapter two. In chapter three we assumed nanofluid based on different four kinds of nanoparticles between two parallel plates. The upper disk is squeezing down having specific velocity; this velocity is a function of time. Bottom disk is made up of porous medium and obeys the Darcy-Forchheir relation. Skin friction and Nusselt number are tabulated numerically in this unit. The viscous dissipation effect has also taken in hand in this problem. Entropy generation is also discussed. Impact of various physical parameters has been discussed for velocity, temperature and entropy production in this chapter. In chapter four we investigate 3D Casson nanofluid flow in two rotating plates which are parallel. Joule heating and viscous dissipation effect is also encountered. Skin friction, [xix] Nusselt number is also tabulated numerical. In this chapter four the HAM and numerical results are compared in table. Bejan number and entropy production under various physical parameters are presented. In chapter five, a mathematical problem is offered for demonstrating the impressions of activation energy on Casson fluid flow with MHD subject to radiative heat flux and variable heat transfer. Novel characteristics of disperse motion and responses of nano-sized particles to the temperature gradient are retained. The computed results regarding the effects of rheological and appropriate parameters are presented graphically for velocity profile; corresponding tackled nanofluid temperature field as well as its concentration profile is discussed in detail. Engineer’s interest, physical quantities, Skin fraction, Nusselt Number, Sherwood Number and entropy production are also explained in this chapter. Chapter 6 of this thesis contains the main findings and results of the research work done by the author for the convenience of the readers. Also the chapter 6 has real life application of such kind study. For the future researchers the chapter 6 has a future plan and more ways for the research in the future.
Gov't Doc #: 22378
Appears in Collections:PhD Thesis of All Public / Private Sector Universities / DAIs.

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