Abstract
The work is dedicated to converting microwave radiation to heat. The article analyses different ways of heating residential and utility areas. Attention is paid mainly to infrared heating. Ceramic materials suitable for converting microwave radiation to heat from refractory ceramic composites are disclosed. The cooling curves of these materials after microwave heating are characterized in detail. The paper also presents a description of a microwave reactor with a fireclay brick together with the parameters of the living room heating.
Highlights
The present, modern methods used in most cases for heating of dwelling spaces are based on underfloor heating, ceiling heating, and ceiling cooling, where the primary sources of heat energy are conventional ones, such as electricity, gas or solid fuels, or alternative sources, such as heat pumps, solar energy or wind power [1,2,3,4,5,6,7,8,9,10,11,12,13]
The classic conventional heat is supplied, for instance, by a radiator or a typical electric heater, through heating the air in its neighbourhood. At their surface temperature of 90 °C, infrared panel heaters radiate at the wavelength of approx. 9 to 10 μm, which is a suitable component for human organism influencing the growth of organism cells and psychological comfort
Sufficient findings from the relevant paper can be summed up as follows: the presented fireclay bricks can be successfully applied as suitable materials for microwave-to-heat conversion
Summary
The present, modern methods used in most cases for heating of dwelling spaces are based on underfloor heating, ceiling heating, and ceiling cooling, where the primary sources of heat energy are conventional ones, such as electricity, gas or solid fuels, or alternative sources, such as heat pumps, solar energy or wind power [1,2,3,4,5,6,7,8,9,10,11,12,13]. The classic conventional heat is supplied, for instance, by a radiator or a typical electric heater (convector), through heating the air in its neighbourhood. At their surface temperature of 90 °C, infrared panel heaters radiate at the wavelength of approx. The infrared panels heating all the objects make possible to achieve the so-called “underfloor heating” effect. This property is one of many aspects contributing to energy savings Another factor is the effect of masonry drainage, where the masonry of higher temperature transfers its moisture into the ambient air; by this, its thermal insulation properties are improved.
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