二氧化碳排放连续在线监测过程的模拟与不确定度评定

doi:10.3969/j.issn.1000-1158.2022.01.19

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Abstract Through the establishment of carbon emission continuous online monitoring experimental platform, the continuous online monitoring process of carbon dioxide emission was simulated and analyzed. According to JJF 1059.1-2012 Evaluation and expression of uncertainty in measuirement and JJG 640-2016 Differential pressure flowmeters, the uncertainty evaluation mathematical model of carbon emission measurement results was established, the source of measurement uncertainty was comprehensively analyzed, and the uncertainty evaluation of measurement results was carried out. The results show that the expanded relative uncertainty of the experimental platform for continuous on-line monitoring of carbon emissions is 5.86%, the coverage factor is k=2, and the confidence level is 95%. The uncertainty of the measurement results mainly comes from the system error introduced by the ambient temperature.

Key words： metrology carbon dioxide emission CEMS uncertainty

Received: 04 September 2020 Published: 06 January 2022

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TB99

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2022.01.19 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2022/V43/I1/120

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