Wireless Sensor Networks (WSN) based healthcare systems are increasing day by to advise the health status and living environment habitat of peoples. However, WSN application suffers from issues related privacy security. Susceptible attacks security consideration comes into applications as an interesting challenging problem. In this paper, we have proposed a preservation scheme for utilizing principles multipath routing, secret sharing hashing. The data collected wireless sensor network is...

Direct numerical simulations of Rayleigh-Taylor instability (RTI) between two air masses with a temperature difference 70 K is presented using compressible Navier-Stokes formulation in non-equilibrium thermodynamic framework. The two-dimensional flow studied an isolated box non-periodic walls both vertical and horizontal directions. non-conducting interface separating the impulsively removed at t = 0 (depicting heaviside function). No external perturbation has been used to instigate onset....

The three-dimensional (3D) Taylor-Green Vortex (TGV) flow problem has been used to study turbulence from genesis eventual decay governed by the 3D Navier-Stokes equation. evolution of TGV shows that solution becomes unstable at very early times and eventually turbulent, but a this transition not advanced so far. computations are performed using high accuracy compact scheme on uniform grid, with fourth-order Runge-Kutta time integration method. vector potential-vorticity (Ψ→,ω→)-formulation...

The present investigation is to study the plane wave propagation and reflection of waves in a homogeneous transversely isotropic magnetothermoelastic medium with two temperature rotation context GN Type-II Type-III (1993) theory thermoelasticity. It found that, for dimensional assumed model, there exist three types coupled longitudinal waves, namely quasi- (QL), transverse (QTS) quasi -thermal (QT). different characteristics like phase velocity, attenuation coefficients, specific loss...

An enstrophy-based non-linear instability analysis of the Navier-Stokes equation for two-dimensional (2D) flows is presented here, using Taylor-Green vortex (TGV) problem as an example. This admits a time-dependent analytical solution base flow, whose traced here. The numerical study evolution vortices shows that flow becomes turbulent, but explanation this transition has not been advanced so far. deviation from studied here high accuracy compact scheme on non-uniform grid (NUC6), with...

The use of closed-circuit television (CCTV) systems is widespread in all areas where serious safety concerns exist. Keeping an eye on things manually sounds like a time-consuming and challenging process. Identifying theft, detecting aggression, explosive risks, etc ., are circumstances which the term “security” takes multiple meanings. When applied to crowded public spaces, phrase encompasses nearly every conceivable kind abnormality. Detecting violent behaviour among them since it typically...

The present article is concerned with the investigation of disturbances in a homogeneous transversely isotropic thermoelastic rotating medium two temperatures, presence combined effects Hall currents and magnetic field. formulation applied to thermoelasticity theories developed by Green-Naghdi type-II type-III. Laplace Fourier transform techniques are solve problem. analytical expressions displacements, stress components, temperature change, current density components obtained transformed...

This investigation is concerned with the disturbances in a homogeneous transversely isotropic thermoelastic rotating medium two temperature, presence of combined effects Hall currents and magnetic field due to normal force ramp type. The formulation applied thermoelasticity theories developed by Green-Naghdi Theories Type-II Type-III. Laplace Fourier transform technique solve problem. analytical expressions displacements, stress components, temperature change current density components are...

Nowadays, driving support systems, such as car navigation are getting common, and they drivers in several aspects.It is important for systems to detect status of driver's consciousness.Particularly, detecting drowsiness could prevent from collisions caused by drowsy driving.In this paper, we discuss a system method drowsiness, which uses the Image processing Fuzzy logic Driver"s drowsiness.

Purpose – The purpose of this paper is to depict the effect time and thermal diffusion phase-lags due axisymmetric heat supply in a ring. problem discussed within context dual-phase-lag transfer models. upper lower surfaces ring are traction free subjected an supply. Design/methodology/approach solution found by using Laplace Hankel transform technique direct approach without use potential functions. analytical expressions displacements, stresses chemical potential, temperature mass...

A problem concerning with the reflection and transmission of micropolar elastic plane waves at an imperfect interface between two homogeneous, isotropic half‐spaces different properties has been investigated. The expressions for coefficients which are ratios amplitudes reflected transmitted to amplitude incident obtained boundary deduced normal couple stiffness, transverse force stiffness welded contact. Numerical calculations have performed various waves. variations angle wave depicted...

A general solution to the field equations of homogeneous isotropic generalized thermoelastic diffusion with two relaxation times (Green and Lindsay theory) has been obtained using Fourier transform. Assuming disturbances be harmonically time.dependent, transformed is in frequency domain. The application a time harmonic concentrated distributed loads have considered show utility obtained. components displacement, stress, temperature distribution chemical potential are inverted numerically,...

The three-dimensional (3D) Taylor–Green vortex (TGV) flow is one of the simplest systems to study generation different scales vortices due growth disturbances via effects physical mechanisms, including vortex-stretching as an additional source for instability, showing not only creation turbulence but also turbulent decay. strong anisotropic and well-organized becomes unstable at early time transfer energy small scales. analysis instability periodic 3D TGV Reynolds number Re = 2000 reported...