Research of Intelligent Integrated Averaging Pitot Tube Flowmeter

Author:

Ni Dan Dan1,Sun Li Jun1,Zhang Li Ming1

Affiliation:

1. Tianjin University

Abstract

Averaging Pitot tube flowmeter often uses a separated structure which is not convenient. The research uses a design of integration to overcome the problems and creates an intelligent system to process data. Some improvement methods such as the non-linear correction of meter factor, temperature and pressure compensation are proposed to improve the accuracy of flow rate. In experiments, by comparisons of the results before and after improvements, it comes to a conclusion that the intelligent integrated averaging Pitot tube flowmeter shows a higher performance.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference4 articles.

1. Xinye Mao, What're the main factors that affect the accuracy of the averaging Pitot tube flowmeter, International Instrumentation and Automation, vol. 8, pp.42-44, July, 2004(In Chinese).

2. Zhang Yingchun , Su Zhongdi , Xiong Yuting, A research on the correction method for flow coefficient of annubar flowmeters, Journal of China University of Metrology, vol. 8, pp.20-25, March, 2010(In Chinese).

3. Wrightm,P. H, The application of sonic (critical flow) nozzles in the gas industry, Flow Measurement and Instrumentation, vol. 4, pp.67-71, April, (1997).

4. Liu Kai, Cheng Zhi-dong , Zhou de-fu, Development of MEMS sensor and intelligent sensor, Instrument Techniques and Sensor, pp.9-10, 2007(In Chinese).

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