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The currently used energy methods in spectral emissivity measurement are susceptible to the difference in temperature between the target and the reference blackbody. It is also limited by the state of the observation target and observation. This paper introduces the irradiance condition, while using the correlation between the information of emissi...
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Context 1
... reveals a small difference of retrieved temperature in each band. It can be observed from Table 1 that the retrieved temperature was slightly lower (by 2-3 K) than the thermocou- The rationality of the emissivity experiment results can be demonstrated in the relevant literature, where the rationality of the experimental scheme is verified. The measurements of graphite can be compared to those of Neuer [10] and Krenek et al. [28], who investigated graphite material ( Figure 6). ...Context 2
... reveals a small difference of retrieved temperature in each band. It can be observed from Table 1 that the retrieved temperature was slightly lower (by 2-3 K) than the thermocouple measurement temperature (Table 1). When the inner temperature is measured using thermocouples, it is usually higher than the surface temperature of the target due to the surface heat exchange [21]. ...Context 3
... reveals a small difference of retrieved temperature in each band. It can be observed from Table 1 that the retrieved temperature was slightly lower (by 2-3 K) than the thermocouple measurement temperature (Table 1). When the inner temperature is measured using thermocouples, it is usually higher than the surface temperature of the target due to the surface heat exchange [21]. ...