transmission coefficient

[tranz′mish·ən ‚kō·i‚fish·ənt] (physics) The value of some quantity associated with the resultant field produced by incident and reflected waves at a given point in a transmission medium divided by the corresponding quantity in the incident wave. The ratio of transmitted to incident energy flux or flux of some other quantity at a discontinuity in a transmission medium; for sound waves, it is called the sound transmission coefficient. The ratio of the transmitted flux of some quantity to the incident flux for a substance of unit thickness. (quantum mechanics) penetration probability

thermal transmittance, U-value

The time rate of heat flow per unit area under steady conditions from the fluid on the warm side of a barrier to the fluid on the cold side, per unit temperature difference between the two fluids.

单词	transmission coefficient
释义	transmission coefficient transmission coefficient [tranz′mish·ən ‚kō·i‚fish·ənt] (physics) The value of some quantity associated with the resultant field produced by incident and reflected waves at a given point in a transmission medium divided by the corresponding quantity in the incident wave. The ratio of transmitted to incident energy flux or flux of some other quantity at a discontinuity in a transmission medium; for sound waves, it is called the sound transmission coefficient. The ratio of the transmitted flux of some quantity to the incident flux for a substance of unit thickness. (quantum mechanics) penetration probability thermal transmittance, U-value The time rate of heat flow per unit area under steady conditions from the fluid on the warm side of a barrier to the fluid on the cold side, per unit temperature difference between the two fluids.
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