Metrology in the home
Solar furnaces
Article REF: BE8849 V1
Metrology in the home
Solar furnaces

Author : Gilles FLAMANT

Publication date: January 10, 2008 | Lire en français

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2. Metrology in the home

Measuring the temperature at the focus of a solar concentrator is a complex problem, because the spectral luminance measured by an optical pyrometer is the result of two contributions: the sample's own emission and the reflection of luminance from the concentrator.

Thus the spectral luminance L 0 (T, λ) in the normal direction is expressed by (figure 2 ):

L0(T,λ)=ε0(T,λ)L0(T,λ)+
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