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Performance Indicators of Dark Infrared Radiators of Various Type
... Ensure that the radiators be protected from moisture, impact, and knocks, impact, and while they are cold when installing them. The radiators may be operated in any position due to the permanent installation of the heating coil [35]. ...
Maintaining the optimum temperature in the living quarters is the key to a comfortable stay. Due to the lack of a central heating system or in the event of its insufficiency, they resort to the installation of additional heat sources. There is a wide range of devices on the market with different operating principles, hence the difficulty of which is better - a convector or infrared heater. A comparative analysis of devices will help you make the right choice. Asking the question of which is better a convection heater or an infrared heater, one must decide on its role in heating the house. It is better to use them as additional equipment with an existing heating system. One of the effective sources of additional heating are infrared radiators. Its principle of operation is based on infrared radiation, which provides a quick and qualitative increase in temperature in any part of your apartment. Today, more and more people prefer infrared radiators. From the usual electric convector, they differ in that they heat not the air in the room, but hard surfaces (floors, walls) and objects, and these, in turn, leak heat into the surrounding space. So, the entire room is heated up unnoticeably.
... Ensure that the radiators be protected from moisture, impact, and knocks, impact, and while they are cold when installing them. The radiators may be operated in any position due to the permanent installation of the heating coil [35]. ...
Maintaining the optimum temperature in the living quarters is the key to a comfortable stay. Due to the lack of a central heating system or in the event of its insufficiency, they resort to the installation of additional heat sources. There is a wide range of devices on the market with different operating principles, hence the difficulty of which is better-a convector or infrared heater. A comparative analysis of devices will help you make the right choice. Asking the question of which is better a convection heater or an infrared heater, one must decide on its role in heating the house. It is better to use them as additional equipment with an existing heating system. One of the effective sources of additional heating are infrared radiators. Its principle of operation is based on infrared radiation, which provides a quick and qualitative increase in temperature in any part of your apartment. Today, more and more people prefer infrared radiators. From the usual electric convector, they differ in that they heat not the air in the room, but hard surfaces (floors, walls) and objects, and these, in turn, leak heat into the surrounding space. So, the entire room is heated up unnoticeably.
The mathematical electrothermal model based on a finite element method in the universal ELCUT package is developed for calculation of electric and thermal values of an induction crucible furnace. Electric characteristics depending on the frequency, temperature and current of an inductor are studied. The nonstationary thermal task is solved. Two reference duties of the furnace are allocated and investigated: the cold mode when the crucible magnetic and temperature is lower Curie points and the hot mode when the melted molten metal, a crucible unmagnetized, temperature of a crucible is higher than a Curie point. The experimental stand consisting of the high-pitched adjustable transistor power supply, an inductive crucible furnace with a steel conductive crucible, a microprocessor control system and the system of acquisition is developed. The experiment on the laboratory furnace with a steel crucible with loading from aluminum alloy is made. Results of an experiment are comparable to results of mathematical model operation in an ELCUT package, the adequacy of results of a theoretical research is confirmed. Dependences of the fissile resistance and inductance on frequency, temperature and current in the form of surfaces in the environment of Simulink/Matlab are received. Results of the solution of a thermal task showed that the melted metal heats up evenly, temperatures of a crucible and metal are equal. The conducted theoretical and pilot researches form a basis for creation of structural electrothermal model of an induction crucible furnace of the increased frequency in the environment of Simulink/Matlab.
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