Analysis of Heat and Mass Transfer on Magnetohydrodynamics (Mhd) Nanofluids with Thermal Radiation and Brownian Motion Over A Heated Vertical Plate

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dc.contributor.authorNdungu, Elizabeth Wambui
dc.date.accessioned2021-03-03T13:39:42Z
dc.date.available2021-03-03T13:39:42Z
dc.date.issued2019-04
dc.descriptionA research project submitted in partial fulfillment of the requirements for the award of the degree of Master of Science in applied mathematics in the school of pure and applied sciences of Kenyatta University. April 2019en_US
dc.description.abstractThis study investigates the effect of heat and mass transfer on Magnetohydrodynamics (MHD) nanofluid with thermal radiation and brownian motion over a heated vertical plate. The Magnetohydrodynamics (MHD) nanofluid flow have different electrical conductivities and behave differently in presence of thermal radiation, magnetic field, thermophoresis and brownian motion. The rate of heat and mass transfer on nanofluid along the vertical plate under the influence of a magnetic field with thermal radiation and Brownian motion leads to change in the fluid motion. The diverse applications of nanofluids in engineering and industries it is of this great importance hence the need to investigate the effects of thermal radiation, thermophoresis and Brownian motion on nanofluids and magneto hydrodynamics. Nanofluids are considered as potential working fluids to be used in high heat flux systems such as electronic cooling systems, solar applications, heat pipes, and nuclear reactors. As secondary fluids, they can be applied in commercial refrigeration, chiller and solar panels in absorption systems. They provide much more energy for a given weight of fuel than any technology in use , at the same time reducing thermal pollution. The governing non-linear boundary layer equations are formulated and transformed into ordinary differential equations using the similarity transformation. The resulting ordinary differential equations are solved numerically using the fourth order Runge-Kutta method. The numerical results for dimensionless parameters as well as the skin-friction coefficient and nusselt number, are presented graphically and analysed quantitatively. We note that increasing magnetic field, radiation, thermophoresis and Brownian motion parameters leads to an increase in the fluid temperature resulting in a reduction in the Nusselt number and Sherwood numberen_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/21740
dc.language.isoenen_US
dc.publisherKenyatta Universityen_US
dc.subjectAnalysisen_US
dc.subjectHeaten_US
dc.subjectMass Transferen_US
dc.subjectMagnetohydrodynamics (Mhd)en_US
dc.subjectNanofluidsen_US
dc.subjectThermal Radiationen_US
dc.subjectBrownian Motionen_US
dc.subjectHeated Vertical Plateen_US
dc.titleAnalysis of Heat and Mass Transfer on Magnetohydrodynamics (Mhd) Nanofluids with Thermal Radiation and Brownian Motion Over A Heated Vertical Plateen_US
dc.typeThesisen_US
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