Unsteady Boundary Layer Flow And Heat Transfer In Nanofluids With Microorganisms

dc.contributor.authorMohd Basir, Mohammad Faisal
dc.date.accessioned2019-01-30T06:34:09Z
dc.date.available2019-01-30T06:34:09Z
dc.date.issued2018-01
dc.description.abstractBoundary layer flows involving microorganism have attracted attention in recent years. Several problems involving such flows are investigated in detail in this thesis. The problems involve two dimensional laminar convective and threedimensional boundary layer flow with heat, mass and microorganism transfer under various physical configurations in the presence of velocity slip, thermal slip, mass slip, microorganism slip, Stefan blowing and zero mass flux boundary conditions. The fluid is assumed to be Newtonian (water), viscous, incompressible and has constant or variable transport properties. Only unsteady boundary layers immersed in a nanofluid has been taken into consideration. In order to solve these problems, the dimensional partial differential equations that govern the flow are transformed into dimensionless equations by using appropriate similarity transformations. Similarity variables are used to reduce the partial differential equations to a system of nonlinear semi-coupled ordinary differential equations. The transformed equations are solved numerically using the shooting method utilizing Runge-Kutta-Fehlberg fourth-fifth order method. The effects of the governing parameters on the dimensionless velocity, temperature, nanoparticle volume fraction, density of motile microorganisms, skin friction coefficient, local Nusselt number, local Sherwood number and motile density of microorganisms transfer rate are illustrated graphically and in tabular form. It was found that the controlling parameters strongly affect the fluid flow and heat transfer characteristics. We compared our numerical results with published results for some limiting cases and found excellent agreement.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/7694
dc.language.isoenen_US
dc.publisherUniversiti Sains Malaysiaen_US
dc.subjectUnsteady boundary layer flow and heat transferen_US
dc.subjectin nanofluids with microorganismsen_US
dc.titleUnsteady Boundary Layer Flow And Heat Transfer In Nanofluids With Microorganismsen_US
dc.typeThesisen_US
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