The thermal conductivity of solar cell wafers molded from a powdered stock
A consideration of process for impulse heat treatment of a silicon surface. The studying the thermal conductivity of a silicon powder and a polycrystalline wafer molded from powdered stock. Defining and comparing compounders with monocrystalline silicon.
Подобные документы
Characteristics of the features combined heating systems based on modules with infrared heating, bioreactors and solar collector. Research and analysis of key opportunities to use Thermosiphon solar collector for thermal control in the bioreactor.
статья, добавлен 24.02.2016The overall frame and principal steps of complex numerical modelling of thermal processes in power boiler furnaces on pulverised coal with tangential disposition of the burners. The methodology for creation of three-dimensional models of boiler furnaces.
статья, добавлен 02.02.2019The LHCb experiment at the Large Hadron Collider. Studying of rare phenomena in b- and c- decays in order to precisely constrain the model parameters. Radiation level measurement for the silicon inner tracker operation and beam condition monitoring.
статья, добавлен 19.08.2013The method of metal-stimulated etching and electrochemical anodic etching were compared. The photoelectric properties of the resulting structure are influenced by the processes of recharging traps. The highly sensitive photodiodes in solar energy.
статья, добавлен 27.02.2021Analysis of physical and numerical modeling of an electron emission and transport processes for different electron-optical energy conversion systems with nanostructured surface electron sources. Review of energy conversion processes with high efficiency.
статья, добавлен 30.07.2016Familiarity with the features of improving the contact of the front side with the light induction of the solar battery c-Si. Screen printing technology using silver paste as one of the established industrial processes for the production of a solar cell.
статья, добавлен 23.12.2016- 32. Solar energy
The essence of the process of using solar energy in the areas of alternative energy. The process of generating electricity using solar cells. The advantages and disadvantages of the introduction of solar energy. The use of photovoltaic installations.
презентация, добавлен 23.12.2013 Establishing the regularities of the thermal factor and radiation processing influence on the structure of ion-plasma coatings received by magnetron sputtering of quasi-binary WC-TiC system. Creation and use in practice ion-plasma multilayer coatings.
статья, добавлен 30.07.2016The study of magnetite particle of the obtained magnetic liquid by X-ray diffraction analysis and transmission electron microscopy. Electrical conductivity and magnetic susceptibility of magnetic liquids. Changes in the electrical conductivity of samples.
статья, добавлен 19.02.2021The review for different devices: Infrared sensor arrays for thermal imaging on active Si read-out chips, resonant cavity enhanced IR detectors, quantum well lasers on Si substrates and "wavelength transformers", structures operated in sub-threshold.
статья, добавлен 28.06.2013Nonlinear regimes of 1D parametric instabilities of long-wave plasma waves are considered for the cases when the average plasma field energy density is less or greater than the plasma thermal energy. The evolution of ion energy distribution is studied.
статья, добавлен 27.07.2016Development of model for prestellar clouds. Thermal and chemical evolution. Effects of cosmic microwave background radiation. Role of metals in dust phases: a minimum model for metallicity effects. Reduced chemical model for low-metallicity clouds.
статья, добавлен 13.11.2013- 38. Mathematical model of nanostructured processing based on parts of nonlinear dissipative oscillator
Model of nanostructured finishing and improving surface treatment of machine parts based on nonlinear dissipative oscillator, allowing to define the bifurcation parameters of frictional force and speed of loading of the material of the surface layer.
статья, добавлен 29.07.2016 The study of rare events decays. Experiments at the Large Hadron Collider. Measurements of radiation penguin rare decays. Features integrated luminosity measurement. Assessment of the level of radiation to the inner workings of the silicon tracker.
статья, добавлен 30.01.2016Thermal treatment results in the formation of additional amorphous nanoclusters and in their crystallization with anneal temperature increasing. Nitride films annealed at 1200 °C contain crystalline Si clusters only. Characteristics of SiNx films.
статья, добавлен 30.07.2016- 41. Steam turbines
What is a turbine? How does the steam turbine work? Physical principles of steam turbine. The steam turbine is steam driven rotary engine. Single stage impulse turbine. Velocity compounded impulse turbine. Comparison of impulse and reaction turbine.
презентация, добавлен 12.11.2022 Description of the features of the action of solar roads, which consist of solar panels arranged in series and having a constructive structure for the movement of vehicles along them, a green alternative to the use of fossil fuels in power generation.
статья, добавлен 19.02.2019Research of the main sources of electricity production, as well as their advantages and disadvantages. Characteristics of prospects for the development of solar power plants. Consideration of the main types and methods of installation of stations.
статья, добавлен 26.10.2020- 44. Intrinsic point defects in anisotropic crystalline systems (quasi-two NbSe2 and quasi-one NbSe3)
Heat treatment of single crystals of NbSe2 and NbSe3. The complex investigation of the temperature dependences of resistance NbSe3 and NbSe2 in different environments in the field of 300-550 K. The relative change of the linear dimensions NbSe2.
статья, добавлен 22.12.2016 Development of rotor mechanisms, which make it possible to use solar radiation as efficiently as possible. The design and structure of a solar power plant. Scheme of control and balancing of output power. Selection of the type of photovoltaic cells.
статья, добавлен 22.12.2016The descriptive structure and implementation of motor driver for solar power plant is proposed. Determination and characterization of the direct loss of power, depending on the angle of deviation. The development of solar power control algorithm.
статья, добавлен 26.06.2016Photothermal effect of laser radiation on frozen biotissues. Тissue cryopreservation with using cooling, frizzing, laser heating. Тhe self-propagating high temperature synthesis. Using of nanoparticles high photo-thermal effect for laser of biotissues.
статья, добавлен 21.06.2018The features of surface waves motion and the analysis of methods for finding the timing and patterns of change in motion R-waves along the free surface. The calculate time - frequency performance under different formulas and compared with each other.
статья, добавлен 27.07.2016The main aspects the use of solar systems for heating domestic water on the example standard solar installation constructed as an object of a research in Education and Research Institute of Energetics Automatics and Energy Saving (NULES Ukraine).
статья, добавлен 30.01.2017Analysis concept of semiconductor is a solid whose electrical conductivity is in between that of a conductor and that of an insulator. Familiarization with the methods carrier recombination. Description features of preparation of semiconductor materials.
статья, добавлен 14.04.2015