Search Results - "Siddheshwar, P.G."

Comparison of the effects of three types of time-periodic body force on linear and non-linear stability of convection in nanoliquids by Siddheshwar, P.G., Meenakshi, N.

“…The effect of three different types of time-periodic vertical oscillations of the Rayleigh–Bénard system involving Newtonian nanoliquids is studied in the…”
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Lorenz and Ginzburg-Landau equations for thermal convection in a high-porosity medium with heat source by P.G. Siddheshwar, R.K. Vanishree

“…The paper presents an investigation of a weakly non-linear stability analysis of thermal convection in a porous medium using the Lorenz model. The…”
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A Local Nonlinear Stability Analysis of Modulated Double Diffusive Stationary Convection in a Couple Stress Liquid by Bhadauria, B S, Siddheshwar, P G, Singh, A K, Gupta, Vinod

“…The non-autonomous Ginzburg-Landau equation with time-periodic coefficients is derived for two modulated double-diffusive stationary convection involving…”
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Analytical Solution to the MHD Flow of Micropolar Fluid Over a Linear Stretching Sheet by Siddheshwar, P.G., Mahabaleshwar, U.S.

“…The flow due to a linear stretching sheet in a fluid with suspended particles, modeled as a micropolar fluid, is considered. All reported works on the problem…”
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Oberbeck–Boussinesq free convection of water based nanoliquids in a vertical channel using Dirichlet, Neumann and Robin boundary conditions on temperature by Mohd Makhatar, Nur Asiah, Siddheshwar, P.G., Saleh, Habibis, Hashim, Ishak

“…A numerical investigation is carried out into the flow and heat transfer within a fully-developed mixed convection flow of water–alumina (Al2O3–water),…”
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MHD Flow Of Walters’ Liquid B Over A Nonlinearly Stretching Sheet by Siddheshwar, P.G., Mahabaleshwar, U.S., Chan, A.

“…The paper discusses the boundary layer flow of a weak electrically conducting viscoelastic Walters’ liquid B over a nonlinearly stretching sheet subjected to…”
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Forced Convective Flow of a Nanoliquid due to a Stretching Cylinder with Free Stream by Sinha, D, Jain, P, Siddheshwar, P G, Tomer, N S

“…Steady, transverse boundary layer flow and heat transfer caused by an exponentially stretching cylinder of constant radius immersed in an uniform flow of an…”
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Flow and heat transfer of an exponential stretching sheet in a viscoelastic liquid with Navier slip boundary condition by Chethan, A S, Sekhar, G N, Siddheshwar, P G

“…Viscoelastic boundary layer flow and heat transfer over an exponential stretching continuous sheet have been investigated in this paper. Numerical solution of…”
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Unicellular unsteady Rayleigh–Bénard convection in Newtonian liquids and Newtonian nanoliquids occupying enclosures : New findings by Siddheshwar, P.G., Kanchana, C.

“…•A theoretical answer to the enhanced heat transfer situation in nanoliquids is provided.•The intractable Lorenz model and the tractable Ginzburg-Landau…”
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Energy Stability of Benard-Darcy Two-Component Convection of Maxwell Fluid by Muti, H., Demir, H., Siddheshwar, P.G.

“…Energy stability of a horizontal layer of a two-component Maxwell fluid in a porous medium heated and salted from below is studied under the…”
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A New Analytical Procedure for Solving the Non-Linear Differential Equation Arising in the Stretching Sheet Problem by Siddheshwar, P.G., Mahabaleswar, U.S., Andersson, H.I.

“…The paper discusses a new analytical procedure for solving the non-linear boundary layer equation arising in a linear stretching sheet problem involving a…”
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Study of primary and secondary instabilities arising due to a chemical reaction in a two-component Rayleigh–Bénard system by C, Kanchana, Laroze, D., Siddheshwar, P.G.

“…•Exhibition of stationary as well as oscillatory regime is reported.•Possibility of secondary instabilities in various regimes is indicated.•Domains of the…”
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Weakly nonlinear stability analysis and study of chaotic Darcy-Benard convection of a combusting fluid by Siddheshwar, P.G., Kanchana, C., Laroze, D.

“…•Deriving a generalized Vadasz–Lorenz model for a system with combustion.•Showing the symmetry, dissipative and energy-conserving natures of the…”
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Küppers–Lortz instability in rotating Rayleigh–Bénard convection bounded by rigid/free isothermal boundaries by Kanchana, C., Zhao, Yi, Siddheshwar, P.G.

“…•Manifestation of Küppers–Lortz instability in nanoliquids is investigated.•Experimental boundary condition is considered.•The effect of nanoparticles in water…”
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Nonlinear Rayleigh-Bénard magnetoconvection of a weakly electrically conducting Newtonian liquid in shallow cylindrical enclosures by Siddheshwar, P.G., Noor, Arshika S., Tarannum, Sameena, Laroze, D.

“…A study of nonlinear axisymmetric Rayleigh-Bénard magnetoconvection in a cylindrical enclosure filled with a dilute concentration of carbon-based nanotubes in…”
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Regulation of heat transfer in Rayleigh–Bénard convection in Newtonian liquids and Newtonian nanoliquids using gravity, boundary temperature and rotational modulations by Kanchana, C., Siddheshwar, P. G., Zhao, Yi

“…The individual effect of time-periodic gravity modulation, in-phase and out-of-phase temperature modulations and rotational modulation on Rayleigh–Bénard…”
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Study of rotating Bénard-Brinkman convection of Newtonian liquids and nanoliquids in enclosures by Lakshmi, K.M., Siddheshwar, P.G., Muddamallappa, M.S.

“…•New equations are presented for nanoliquid-saturated rotating porous enclosures using modified-Buongiorno-Brinkman two-phase model.•Thermophysical properties…”
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The effect of boundary conditions on the onset of chaos in Rayleigh–Bénard convection using energy-conserving Lorenz models by Kanchana, C., Siddheshwar, P.G., Yi, Zhao

“…•Study of 16 boundary conditions on the stability of Rayleigh–Benard system is made.•A minimal Fourier–Galerkin expansion is proposed to obtain the Lorenz…”
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Influence of symmetric/asymmetric boundaries on axisymmetric convection in a cylindrical enclosure in the presence of a weak vertical throughflow by Siddheshwar, P.G., C., Kanchana, Pérez, L.M., Laroze, D.

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Linear and nonlinear triple diffusive convection in the presence of sinusoidal/non-sinusoidal gravity modulation: A comparative study by Pranesh, S., Siddheshwar, P.G., Zhao, Yi, Mathew, Ansa

“…•Explains effect of different forms of gravity modulation on onset of convection.•Estimates heat and mass transports in triple diffusive convection of specific…”
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