Tairan Fu et al 2004 Metrologia 41 439 doi:10.1088/0026-1394/41/6/012
Tairan Fu1, Xiaofang Cheng, Bo Wu and Zhenglin Zhu
Show affiliationsHere, we analyse the chromaticity characteristics of the correlated colour temperature (CCT) and thermodynamic temperature of a radiating source. Our analysis correlates the colour coordinates of a radiating source to the CCT and gives the thermodynamic temperature and emissivity information related to the radiating source. The mathematical relationship between the CCT of the source and its thermodynamic temperature is presented. The simulation results indicate that there is a discrepancy between the CCT and its actual thermodynamic temperature, but the discrepancy may be estimated.
Instrumentation and measurement
Issue 6 (December 2004)
Received 30 August 2004
Published 22 November 2004
Tairan Fu et al 2004 Metrologia 41 439
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