منابع مشابه
Thermal radiation processes
We discuss the different physical processes that are important to understand the thermal X-ray emission and absorption spectra of the diffuse gas in clusters of galaxies and the warm-hot intergalactic medium. The ionisation balance, line and continuum emission and absorption properties are reviewed and several practical examples are given that illustrate the most important diagnostic features i...
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We analyze the properties of thermal radiation in photonic crystals and show that the spectral energy density, the spectral intensity, and the spectral hemispherical power are only limited by the total number of available photonic states and their propagation characteristics. In addition, we show that the central quantity that determines these thermal radiation characteristics is the area of th...
متن کاملThe Effects of Thermal Radiation
This work seeks to improve understanding of atmospheres in radiative-convective equilibrium. We use two types of idealized, dry radiative-convective models. The first type of model resembles Rayleigh-Benard convection, except that thermal radiative transfer is included. This type of system can be investigated in the laboratory. The second type of model is a more faithful representation of the e...
متن کاملThermal Radiation and Its Effects
GENERAL CHARACTERISTICS OF energy is initially in the form of kinetic THERMAL RADIATION energy of the weapon debris. This kinetic energy is also absorbed by the air 7.01 One of the important difat a slightly later time \(§ 2.109) and ferences between a nuclear and a conserves to further heat the air. The heated ventional high-explosive weapon is the air, which constitutes the fireball, in turn ...
متن کاملActive thermal extraction of near-field thermal radiation
Radiative heat transport between materials supporting surface-phonon polaritons is greatly enhanced when the materials are placed at subwavelength separation as a result of the contribution of near-field surface modes. However, the enhancement is limited to small separations due to the evanescent decay of the surface waves. In this work, we propose and numerically demonstrate an active scheme t...
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ژورنال
عنوان ژورنال: JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
سال: 1977
ISSN: 0019-2341,1349-838X,2185-1506
DOI: 10.2150/jieij1917.61.10_620