diathermanous


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diathermanous

[¦dī·ə¦thər·mə·nəs]
(physics)
Capable of transmitting radiant heat. Also known as diathermic.
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References in periodicals archive ?
In the models handled in this paper, it is assumed that the venetian blinds are fully or adequately closed and that the blinds do not have to be treated as diathermanous layers.
Calculating centerglass performance indices of windows with a diathermanous layer.
A similar procedure was used by Christie and Hunter (1984) to determine the longwave properties of thin diathermanous films using a DB-100 infrared reflectometer.
However, by following a general theory and measurement procedure documented by Christie and Hunter (1984), the reflectometer can be adapted to measure both infrared reflectance and transmittance of diathermanous samples.
Relative to the carbon particle itself, the first key passages come at the end of Part I: "Thus far all the laws derived in the preceding sections for diathermanous media hold for a definite frequency, and it is to be kept in mind that a substance may be diathermanous for one color and adiathermanous for another.
If the substance introduced is not diathermanous for any color, e.g., a piece of carbon however small, there exists at the stationary state of radiation in the whole vacuum for all colors the intensity [K.sub.[upsilon]] of black radiation corresponding to the temperature of the substance.
Calculating center-glass performance indices of windows with a diathermanous layer.
The longwave radiant exchange algorithm is noteworthy because it allows for the possibility of diathermanous layers and because the mean radiant temperature can differ from the air temperature on the indoor and/or outdoor side.
It is important to note that a diathermanous layer allows for heat transfer directly between two layers that are not adjacent to each other.
Calculating Performance Indices for Windows with a Diathermanous Layer (RP-1311) (QC-06-003)
Heat loss coefficients and effective [alpha][tau] products for flat plate collectors with diathermanous covers.
The present work examines the errors inherent in applying these standard calculation methods to window systems that include a single diathermanous layer (such as a shading layer), and new equations for calculating the performance indices are derived.