• Thumbnail for Thermal radiation
    Thermal radiation is electromagnetic radiation emitted by the thermal motion of particles in matter. All matter with a temperature greater than absolute...
    57 KB (6,878 words) - 10:57, 5 November 2024
  • Thumbnail for Black-body radiation
    Black-body radiation is the thermal electromagnetic radiation within, or surrounding, a body in thermodynamic equilibrium with its environment, emitted...
    68 KB (8,651 words) - 17:40, 18 October 2024
  • Thumbnail for Kirchhoff's law of thermal radiation
    In heat transfer, Kirchhoff's law of thermal radiation refers to wavelength-specific radiative emission and absorption by a material body in thermodynamic...
    27 KB (3,710 words) - 21:06, 7 July 2024
  • Thumbnail for Emissivity
    thermal radiation. Thermal radiation is electromagnetic radiation that most commonly includes both visible radiation (light) and infrared radiation,...
    39 KB (4,091 words) - 17:56, 19 October 2024
  • Thumbnail for Non-ionizing radiation
    ionizing radiation. It is still to be proven that non-thermal effects of radiation of much lower frequencies (microwave, millimetre and radiowave radiation) entail...
    24 KB (2,638 words) - 18:05, 30 September 2024
  • Thumbnail for Radiation
    submarines. Thermal radiation is a common synonym for infrared radiation emitted by objects at temperatures often encountered on Earth. Thermal radiation refers...
    48 KB (6,161 words) - 02:36, 4 November 2024
  • Thumbnail for Planck's law
    law (also Planck radiation law: 1305 ) describes the spectral density of electromagnetic radiation emitted by a black body in thermal equilibrium at a...
    141 KB (18,058 words) - 22:17, 12 October 2024
  • Thumbnail for Infrared
    Sun, some thermal radiation consists of infrared in the mid-infrared region, much longer than in sunlight. Black-body, or thermal, radiation is continuous:...
    92 KB (9,280 words) - 07:01, 3 November 2024
  • Thumbnail for Heat transfer
    is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes. Engineers...
    66 KB (8,490 words) - 11:18, 7 October 2024
  • Thumbnail for Greenhouse effect
    Greenhouse effect (category Atmospheric radiation)
    objects with a temperature above absolute zero emit thermal radiation. The wavelengths of thermal radiation emitted by the Sun and Earth differ because their...
    84 KB (8,956 words) - 10:45, 25 September 2024