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Gvozdev S.M.,S I Vavilov All Russia Science Research Design And Construction Illumination Engineering Institute | Karabin A.B.,S I Vavilov All Russia Science Research Design And Construction Illumination Engineering Institute | Libentsova A.A.,Moscow Energy Institute Technical University
Journal of Optical Technology (A Translation of Opticheskii Zhurnal) | Year: 2010

This paper discusses the technique of adjusting the parameters of LEDs, taking into account the operator's psychophysical features. The results of the studies are given, and the possibility of creating a high-efficiency LED RGB lamp with high luminosity is determined, as well as the possibility of adjusting the luminance and chromaticity within wide limits. A technique is determined for tuning to individual human psychophysical parameters, as well as the possibility of using the human circadian rhythm. © 2010 Optical Society of America. Source


Novokreshchenov V.V.,Moscow Energy Institute Technical University | Rodyakina R.V.,Moscow Energy Institute Technical University | Myakishev Y.V.,Moscow Energy Institute Technical University | Sliva A.P.,Moscow Energy Institute Technical University
Welding International | Year: 2013

The quantitative evaluation of the process of formation of plasma in the vapour phase of the penetration channel was carried out using the models of the kinetic theory of plasma. The effect of the density of particles-targets on the process of ionization of the particles by the electrodes of the electron beam is determined. © 2013 Copyright Taylor and Francis Group, LLC. Source


Murav'eva T.P.,Moscow Energy Institute Technical University | Dragunov V.K.,Moscow Energy Institute Technical University | Sliva A.P.,Moscow Energy Institute Technical University | Goncharov A.L.,Moscow Energy Institute Technical University
Welding International | Year: 2011

Investigations were carried out on the special features of the structure and properties of electron beam welding joints in 150mm thick plates of pearlitic steel 16GNMA and 160mm plates of 12Kh2MFA steel. It is shown that using vacuum as the shielding medium results in the efficient removal of gases from the weld pool and reduces the content of alloying elements with high vapour tension. © 2011 Taylor & Francis. Source


Shcherbakov A.V.,Moscow Energy Institute Technical University | Goncharov A.L.,Moscow Energy Institute Technical University | Sliva A.P.,Moscow Energy Institute Technical University | Ryzhkin R.A.,Moscow Energy Institute Technical University
Welding International | Year: 2012

A mathematical model for the process of electron beam welding, based on the solution of the nonlinear Stefan problem, by the finite difference method is described. An original adaptive algorithm is proposed. The algorithm can be used to determine the required power of the electron beam and the efficiency of focusing in the dialogue regime in determining the working conditions of equipment on the basis of the defined characteristics of the welded joint and welding speed. © 2012 Copyright Taylor and Francis Group, LLC. Source


Matyushin V.M.,Moscow Energy Institute Technical University | Volkov P.V.,Moscow Energy Institute Technical University | Demisov A.N.,Moscow Energy Institute Technical University | Prokhodtsov M.A.,Moscow Energy Institute Technical University | Dubov A.A.,Moscow Energy Institute Technical University
Welding International | Year: 2012

Methods and automated equipment for testing materials by scratching with a sharp tip indentor, penetrating into the given depth, are developed. The efficiency of using the method and equipment for determining the distribution of the mechanical properties of the metal in the local zones of the welded joint is shown. © 2012 Copyright Taylor and Francis Group, LLC. Source

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