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Title: Performance Testing of NIMs Smokestack Simulator
Author: Liang Zhang Chi Wang1 Jin Song Ruixiang Xu Delin Li Lishui Cui Haiyang Li
Source: 2018 International Symposium on Fluid Flow Measurement
Year Published: 2018
Abstract: In order to improve Chinas point source pollutant emission and greenhouse gas emission monitoring capabilities, National Institute of Metrology (NIM) China build a laboratory smoke stack simulator and on-site flue gas flowrate calibration facility, improve Chinas stack gas flowrate calibration capability. On the one hand, the Smoke Stack Simulator can study the measurement method and evaluate the accuracy level of flue gas flowmeters. On the other hand, the Smoke Stack Simulator can calibrate 3D pitot tubes which are used as transfer standards of on-site flue gas flowrate calibration facility. This paper introduces the preliminary test results of the Smoke Stack Simulator of NIM, the system flow stability was tested, and the main reason for causing high flow stability and the improvement plan were analyzed. The Smoke Stack Simulator uses LDV as the primary standard for flowrate. The LDV is used to calibrate the 8-path ultrasonic flowmeter working standard. The calibration results and existing problems are analyzed.

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