The current state of renewable energy sources in Ukraine is studied. The indicators of the total capacity of solar energy of Ukraine were analyzed and the rating was determined in Europe by growth rates. Factors influencing the market of energy services.
Features of the use Gauss law. System with two line charges. The potential from both line charges is a superposition of both potential. Since the system has a high symmetry, may to use Ampere's law. Choice of the Ampere loop. The magnetic field.
The usual interpretations of Newton's and Leibniz's view on the nature of space and the relativity of motion. A more accurate rendering of the opposition between Newton and Leibniz. Leibniz's theory of space against the representation of motion.
The specific properties of the Evans function, its use as a tool in mathematical physics. Application of the Darboux transformation to the Schrodinger equation. Solution of the standard Riccati differential equation. Investigation of a discrete spectra.
- 425. Steam turbines
Steam turbines design. Classification of steam turbines according to the method of energy conversion, according to the direction of flow, according to the number of stages, according to the speed of rotation, according to the steam pressure at the outlet.
- 426. Structural features and potential risks for the functioning of the energy security system of Ukraine
Processes, elements, components of factors of influence on the state energy security system. Sensitivity of elements of state energy security system to external and internal factors that directly affect the quality of its functioning. The types of risks.
The receipt of the thermoelectric properties of p-alloy powders and their structural properties. Compaction of powders by vacuum hot pressing and spark plasma sintering. The thermal conductivity of the samples, the calculation of the Seebeck coefficient.
Synthesis of transparent siliceous environments with high-doped Yb-Er, Yb-Ho and Yb-Eu. Definition of media structure and spectral-luminescent properties in the anti-Stokes region when excited by ions Yb3 +. Analysis of properties silicious glassy media.
Structure, composition and properties of these coatings were studied. Hardness measurements and adhesion tests were provided. Values of hardness and cohesive strength. Physical and technological parameters of deposition, elemental composition of coatings.
The study of reaction mechanisms in collisions induced by halo and/or weakly bound nuclei around the Coulomb barrier. Description of the reaction dynamics. Preventing capture incoming projectile suppression of synthesis. Activity irradiated targets.
Familiarity of peculiarities of three- and four-cluster nuclei 6He, 6Li И 10Be, 10C. The steps for calculating the distribution of the charge density and form factors of the nuclei, analysis of the asymptotic behavior of the amplitudes of clustering.
Theoretical study of important bulk properties of nuclei far from stability. The formation of neutron skin and its evolution with an increase of the neutron number is investigated on the basis of a self-consistent deformed mean-field Hartree-Fock.
A possibility of backscattering controlling by means of structures with anisotropic conductivity is considered. It is shown that applying of this structures allowed to reduce the backscattering from leading and rear edges and from metal-impedance border.
Analysis of various technological and management approaches developed to improve the efficiency of electrical systems. Assessment of scientific achievements in this field. Environmental consequences of using amorphous core distribution transformers.
Familiarity with the main features of the experimental study of hydrodynamic luminescence in a cavitating liquid medium, problem analysis. General characteristics of important stages of development of the basic hydraulic scheme of the test bench.
Study of spectral characteristics of layered chiral media using the method of matrix distribution. The calculation of the coefficients of transmission and reflection of linearly polarized electromagnetic wave on the structure of planar chiral layers.
Calculation condition of heating load calculation, simulation. Evaluation of heating load calculation considering the surrounding environment. Comparison of heating load of surrounding environment by simulation. Reference value by class of housing.
The study of surface electromagnetic waves propagating along а boundary line. Methods of achieving efficient excitation of surface plasmon polaritons. Properties of quasi-particles and photons interacting with elementary excitations of environment.
Use of composite materials Cu-Cr in electric contacts operating under DC low voltage loads of a small power. Сonclusions of possibility of the use of such material to control the arc to glow transformation for use in electric auxiliary switching devices.
Method of synchronized pulsewidth modulation has been applied for balanced control of dual inverter-fed drive with an open-end-winding induction motor. Simulations give the behavior of dual inverter-fed systems with continuous and discontinuous versions.
The study of five-phase voltage inverters, regulated in accordance with the modified synchronous pulse width modulation algorithms.The multiplication of five-phase conversion systems with continuous and intermittent varieties of synchronous modulation.
Method of nanodispersed Fe2O3 synthesis by thermal decomposition of iron citrate. Particles of synthesized materials in a state of magnetic ordering and in superparamagnetics. Influence of magnetic dipole interaction on parameters of Mossbauer spectra.
The problem of synthesis for an infinite circular impedance cylinder is investigated. The law of impedance distribution must provide, with higher speed, the electromagnetic field attenuation along the structure, as compared with an conducting cylinder.
A mathematical model of the system of proactive management of the condition of the electrical equipment, which involves the selection and use of various methods of intellectual analysis of information about changes in its key diagnostic parameters.
A mathematical model of current diagnostics based on a system of fuzzy linear equations, the solution of which makes it possible to determine the vector of priority of the possible causes of identified defects in the equipment of the power grid complex.
Semiclassical approach based on the Vlasov equation for finite systems with moving surface. Study isovector dipole excitations heated spherical nuclei with neutron excess. Collision integral in the approximation of the effective relaxation time.
The essence of temperature is one of the most important factors affecting the coefficient of dielectric loss. This paper presents the investigation of temperature dependences of the microwave dielectric losses for different mechanisms of polarization.
The study of temperature-frequency dependencies of the conductivity nestekhiometriya spinel. The existence of frequency dispersion of conductivity. The establishment of the value of conductivity, its dependence on the number of Fe2+ ions in the structure.
Characteristic main features of the location, velocity and the acceleration of the focal point which are determined with taking the group speed of laser radiation into consideration. Definition of the acceleration of the focal point at the exit.
Infinitesimal transformations, Maxwell tensor and electromagnetic forces. The Maxwell field tensor. Integral curves associated with the equations of motion and the end of the Lorentz transformation. Electromagnetic force and geometry of space-time.
