نتایج جستجو برای: magneto hydro dynamic

تعداد نتایج: 427068  

Journal: :Transactions of the Korean Society for Noise and Vibration Engineering 2016

Journal: :Optics express 2016
Mikko Kataja Sara Pourjamal Nicolò Maccaferri Paolo Vavassori Tommi K Hakala Mikko J Huttunen Päivi Törmä Sebastiaan van Dijken

We report on the optical and magneto-optical response of hybrid plasmonic lattices that consist of pure nickel and gold nanoparticles in a checkerboard arrangement. Diffractive far-field coupling between the individual emitters of the lattices results in the excitation of two orthogonal surface lattice resonance modes. Local analyses of the radiation fields indicate that both the nickel and gol...

2013
Jianfeng Wang Chuanxue Song

With the development of technology, new materials have been invented, which have been applied to improve the performance of structures. Recently, researchers pay their attention to controllable fluids and its applications. Magneto rheological (MR) damper is a kind of devices that uses rheological fluids to modify their mechanical properties. Their mechanical simplicity, large dynamic range, low...

In this study, the free vibration analysis of smart vibration control (SVC) systems based on Reddy – Levinson model and modified strain gradient theory is developed. This system consist of a micro beam at middle and two magneto-electro-elastic (MEE) composite micro beams at top and bottom which connected by enclosing elastic medium and simulated by Winkler and Pasternak foundation. The effects ...

Journal: :Numerische Mathematik 2000
Jean-Frédéric Gerbeau

We propose and analyze a stabilized nite element method for the incompressible magnetohydrodynamic equations. The numerical results that we present show a good behavior of our approximation in experiments which are relevant from an industrial viewpoint. We explain in particular in the proof of our convergence theorem why it may be interesting to stabilize the magnetic equation as soon as the hy...

2012
Sourav Choubey Manoj Kumar Jha Naresh Kumar Yadav

Hydro generation scheduling is a nonlinear programming problem. This paper describes the hydro generation scheduling problem constraints. The optimal hydro scheduling problem is formulated as a large scale linear programming algorithm and is solved using a commercially available linear programming package. The selected objective function requires minimization of demand and generation of a hydro...

2012
Sayeed Salam

This paper presents an efficient emission constrained economic dispatch algorithm that deals with nonlinear cost function and constraints. It is then incorporated into the dynamic programming based hydrothermal coordination program. The program has been tested on a practical utility system having 32 thermal and 12 hydro generating units. Test results show that a slight increase in production co...

2006

We show that the boost-invariant and cylindrically asymmetric hydro-dynamic equations for baryon-free matter may be rewritten as only two coupled partial differential equations. In the case where the system exhibits the cross-over phase transition, the standard numerical methods may be applied to solve these equations. An example of our results describing non-central gold on gold collisions at ...

Journal: :European Journal of Operational Research 2012
Vincent Guigues Claudia A. Sagastizábal

We consider the optimal management of a hydro-thermal power system in the mid and long terms. From the optimization point of view, this amounts to a large-scale multistage stochastic linear program, often solved by combining sampling with decomposition algorithms, like stochastic dual dynamic programming. Such methodologies, however, may entail prohibitive computational time, especially when ap...

2008
K. Zalewski

Some questions concerning Bose-Einstein correlations in multiple particle production processes. Abstract Most models of Bose-Einstein correlations in multiple particle production processes can be ascribed to one of the following three broad classes: models based on the original idea of the Goldhabers, Lee and Pais, hydro-dynamic models and string models. We present for discussion some basic que...

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