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Content Provider | IEEE Xplore Digital Library |
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Author | Yunhong Li Xiaogang Sun Yannian Wang |
Copyright Year | 2009 |
Abstract | In order to measure temperature accurately the authors deduced a general computing formula for the measurement of surface temperature with an infrared thermal imager according to the principles of thermal radiation The authors analyzed the conditions for an accurate measurement of temperature with an infrared thermal imager and emissivitys influence on accurate measurement of temperature The authors also studied the influence of the environment atmosphere and the thermal imager on the accuracy of temperature measurement In addition the authors drew a theoretical curves of various factors influencing the accuracy of temperature measurement The result of the study reveals that when the emissivity is 0.7 the actual temperature is 50 °C and the deflection of emissivity is 0.1 then for the 3~5μm thermal imager the deviation of measurement from the actual temperature is 0.76~0.89 °C and for the 8~14μm thermal imager the deviation is 1.56~1.87 °C The result of the study is of practical significance for improving the accuracy of the measurement of temperature and surface emissivity |
File Size | 131482 |
File Format | |
ISBN | 9781424438631 |
DOI | 10.1109/ICEMI.2009.5274650 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-08-16 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | infrared thermal imager Temperature distribution emissivity Area measurement error analysis Optical computing measurement of temperature Temperature measurement Temperature sensors Thermal factors Atmospheric measurements Atmosphere Infrared imaging Attenuation |
Content Type | Text |
Resource Type | Article |
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