Insulation materials
Material or article used for heat insulation of buildings, structures, industrial equipment, and transportation vehicles. Main indicator of the quality of an insulating material. Mineral wool and articles made from it, lightweight and cellular concretes.
Подобные документы
A technique of measuring the output of delayed neutrons of fission in the process of learning cores, with the help of a mechanical chopper. The use of neutron flux applied for demodulation, correlated with the modulation of the thermal neutron flux.
статья, добавлен 19.09.2013The efficiency of a thermal power cycle. Use of waste heat for process or central heating. Ways to increase the overall efficiency of the power plant. A combination of different thermodynamic cycles in a combined cycle. Once-through cooling systems.
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статья, добавлен 26.08.2020Determination of thermal conditions of vacuum-arc plasma sources cathodes. Investigation of the thermal field of a stationary cathode surfaces, the cathodes different geometry and heat flux. A period of time for cathodes with different types of cooling.
статья, добавлен 30.07.2016Consideration of solar energy efficiency as the best way to keep a house warm in winter. Technology of using passive and active solar energy for heating residential buildings. Characteristic of thermal mass placement in the path of direct sunlight.
статья, добавлен 15.12.2024Analysis of parameters of the impact model measuring the accuracy of orientation using the QUEST and TRIAD method. Analysis of the influence of the parameters of the measuring model on the accuracy of determining the orientation of space vehicles.
статья, добавлен 22.12.2016Problems of reducing dielectric strength of transformer oil. The technology of pumping oil through the adsorbent to remove excess moisture. Analysis of methods of drying the adsorbent by an electromagnetic field. Advantages and disadvantages of methods.
статья, добавлен 30.10.2016A 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.
статья, добавлен 29.07.2014Study the feasibility of rheological kinetic concept abrasive wear resistance for an explanation of this effect. Study of the effect and the influence of alloying chromium in the amount of 1 - 5 % on abrasive wear resistance medium carbon compounds.
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статья, добавлен 09.09.2012Methods of construction of the automated test systems of radio-electronic technique objects. The basic directions of improvement of existing test systems. Principles and methods of reception and processing of the diagnostic information for AA SD RET.
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статья, добавлен 23.06.2018Causes of accidents on power lines depending on the voltage class. Analysis of electrical equipment connected to high-voltage lines. Study of leaks in transition insulators of network wires at transformer substations, location of trees, bird flocks.
статья, добавлен 07.12.2024The 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 28.06.2013Some problems with resulting of measurement result related to validity of measurement device are analyzed. The probability distribution of measured values and number of minimum required number of measurement has been obtained from mentioned analysis.
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статья, добавлен 23.05.2016The application of the methods of calculation of surface and volume losses in the constructional elements of transformers of ferromagnetic steel. A samples definition of heating in the constructional elements of equipment with the single-phase autotype.
статья, добавлен 26.02.2016Description of experimental plant for TAD analysis. Computerized system for control of thermoacoustic devices. Experimental studies of thermoacoustic engine. Synthesis of thermoacoustic processes control system and fuzzy controllers for tae driven plant.
статья, добавлен 30.08.2016Mechanoactivation of plastic deformations and spatial accumulation of effects leads to nonequilibrium processes, changes in chemical bonds of carbon atoms. Raman spectroscopy is a non-destructive tool for characterizing crystalline carbon structures.
статья, добавлен 03.12.2018Analysis of the hybrid power plant, which consists of renewable energy sources: solar, wind power. Features of installed equipment and factors affecting its productivity. Analysis of information obtained from the hybrid power plant under investigation.
статья, добавлен 30.04.2018The assessment of radiological hazard to the workers involved in manganese mining, industrial applications in Egypt. The natural radionuclides contents of manganese have been determined by low background spectroscopy using hyper-pure germanium detector.
статья, добавлен 28.09.2013Analysis 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- 99. Twist extrusion
Research twist extrusion process and the development of its implementation. Characteristic features of the process of homogenization and mixing materials. Consideration of the stages of the formation of sub-micron and nanostructures in metals and alloys.
статья, добавлен 26.03.2016 - 100. 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.
статья, добавлен 08.01.2024