The present work aims to achieve optimal control of instabilities in a standard Taylor–Couette flow. motivation the study is reduce disturbance growth and delay transition process turbulence. We numerically employ using stability modifier, namely, wall transpiration. In non-modal framework, we form state-space model employing actuation by means periodic suction/blowing fluid from walls. conduct...

This paper presents a simplified, tutorial approach to determining the gains of inertial confinement fusion ~ICF! targets, via a basic, zero-dimensional ~‘‘0-D’’!, energy ‘‘bookkeeping’’ of input ~parametrized by ICF drivers’ coupling efficiencies to the target, and subsequent hydrodynamic efficiencies of implosion! versus output ~thermonuclear burn efficiency and target fuel mass!. Physics iss...

Rayleigh-Taylor and Buoyancy-driven instabilities are very common for an inhomogeneous medium. We examine here how these grow incompressible viscoelastic fluids like a strongly coupled dusty plasma by using generalized hydrodynamic (i-GHD) fluid model. Since the dust particles pretty massive, gravitational attraction of earth has significant role in its dynamics. In this paper acceleration due ...

With the aim of better understanding numerical properties lattice Boltzmann method (LBM), a general methodology is proposed to derive its hydrodynamic limits in discrete setting. It relies on Taylor expansion limit low Knudsen numbers. single asymptotic analysis, two kinds deviations with Navier-Stokes (NS) equations are explicitly evidenced: consistency errors, inherited from kinetic descripti...