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RISNonlinear Analysis of Effect of Rigid Body Rotation on Ferroconvection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper presents a numerical study of the effect of rotation on convection and heat transport in ferromagnetic liquids. The conditions for validity of principle of exchange of stabilities have been identified by means ...
Rayleigh–Bénard Convection in a Radiating Fluid
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Linear and weakly nonlinear stability analyses of Rayleigh–Bénard convection (RBC) in a radiating Newtonian fluid are studied in the paper. The optical properties of the Newtonian fluid are considered to be independent of ...
Effects of Suction and Freestream Velocity on a Hydromagnetic Stagnation Point Flow and Heat Transport in a Newtonian Fluid Toward a Stretching Sheet
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Forced flow of an electrically conducting Newtonian fluid due to an exponentially stretching sheet is studied numerically. Free stream velocity is present and so is suction at the sheet. The governing coupled, nonlinear, ...
Nonlinear Rayleigh–Bأ©nard Convection With Variable Heat Source
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Linear and nonlinear Rayleigh–Bأ©nard convections with variable heat source (sink) are studied analytically using the Fourier series. The strength of the heat source is characterized by an internal Rayleigh number, RI, ...
Unsteady Finite Amplitude Convection of Water–Copper Nanoliquid in High-Porosity Enclosures
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Unicellular Rayleigh–Bénard convection of water–copper nanoliquid confined in a high-porosity enclosure is studied analytically. The modified-Buongiorno–Brinkman two-phase model is used for nanoliquid description to include ...
Effects of Rough Boundaries on Rayleigh–Bénard Convection in Nanofluids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A linear stability analysis of Rayleigh–Bénard convection in a Newtonian nanofluid is carried out using most general boundary conditions. A single-phase description of nanofluids is adopted in the study. The nanofluids ...
Individual Effect of Spatially Periodic Vertical Surface Temperatures and Nanoparticles on Natural Convection in Water
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper considers the thermo-convective boundary-layer flow (BLF) of a water–copper mono-nanofluid over a flat vertical surface which is subjected to three types of periodic temperature variations described by the ...
Nonlinear Thermal Instability in a Rotating Viscous Fluid Layer Under Temperature/Gravity Modulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present paper, the effect of time-periodic temperature/gravity modulation on the thermal instability in a rotating viscous fluid layer has been investigated by performing a weakly nonlinear ...
Analytical Study of Turbulent Pollutant Dispersion near a Low Hill
Publisher: American Society of Civil Engineers
Abstract: An analytical methodology is developed to study the pollutant dispersion in a turbulent wind flow over a two-dimensional hill with a small slope. As in a typical boundary layer problem, the flow domain is divided into an ...
Steady Finite-Amplitude Rayleigh–Bénard Convection in Nanoliquids Using a Two-Phase Model: Theoretical Answer to the Phenomenon of Enhanced Heat Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Rayleigh–Bénard convection in liquids with nanoparticles is studied in the paper considering a two-phase model for nanoliquids with thermophysical properties determined from phenomenological laws and mixture theory. In the ...