Introduction to commonly seen terms in literature on far infrared rays!
AMK Co., Ltd. is a company that handles industrial far-infrared heaters, heating devices, and drying equipment. Here are some commonly seen terms in the literature on far-infrared radiation. 【Terms】 ■Radiant Energy J - Energy is evaluated based on its magnitude per unit time, represented by the symbol Qe. ■Radiant Flux W - Since far-infrared radiation is electromagnetic waves, it refers to the radiant energy within a unit time. *Practically, it is often quantified by the following radiant emittance or radiant intensity. ■Radiant Emittance W/Cm² - The value obtained by dividing the radiant flux emitted from a small surface by its area (the power density of electromagnetic waves), represented by the symbol Me. ■Radiant Intensity W/st - The value obtained by dividing the radiant flux emitted from a point source in a certain direction into a small solid angle by that solid angle (watts per steradian), represented by the symbol Ie. ■Radiant Luminance W/st·m² - The value obtained by dividing the radiant intensity from a small surface of the radiation source in a certain direction by the area of the orthogonal projection in that direction, represented by the symbol Le. ■Radiant Irradiance W/m² - The value obtained by dividing the radiant flux incident on a small surface by the area of that surface, represented by the symbol Ee. *Currently, there are no devices that can measure it as simply as light. *For more details, please refer to the PDF materials or feel free to contact us.
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【Other Terms】 ■Relationship between Radiant Intensity and Radiant Flux - The radiant flux on a surface is proportional to the strength of the radiant source and inversely proportional to the square of the distance (L) from the radiant source. Ee = Ie / ?^2 (W/m²) ■Relationship between J and W - Energy is expressed in joules (J) per unit time, but in the case of electromagnetic waves, it is expressed in watts (W), so J/sec = W. ■K (Kelvin) - The thermodynamic temperature is referred to as absolute temperature; 0°C = 273.16K. ■μ - Usually represented in μm, it is a unit of length (wavelength); 1μm = 10^-6m. ■cm^-1 (Reciprocal Centimeter) - In infrared spectroscopy, infrared radiation is classified by the number of waves (wavenumber) present in 1 cm, rather than by wavelength. - Wavenumber (cm^-1) = 10000 / Wavelength (μm). ■w/m³ - A unit of energy derived from Planck's radiation law. - W/m³ = w/m²·m = 10^-10 W/cm²·μm. - It represents the amount of radiant energy emitted into space from a surface area of 1? of an object, indicating how many watts of radiant energy are contained within a wavelength range of 1μm per second. *For more details, please refer to the PDF document or feel free to contact us.*
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We are a specialized manufacturer of far infrared heaters and heating devices. We offer a wide variety of heaters suitable for industrial heating. For clean heating and tact operation or fixed furnaces, we have panel heaters; for continuous heating via conveyors, we provide straight heaters; for precise temperature control or heating small components, we offer ceramic heaters; and for insulation or low-temperature heating, we have space heaters. Far infrared heaters are useful for heating, curing, and drying.