The Modeling and the Experimental Researches of the Microwave-Measuring Transformer of the Humidity of Natural Gas

Authors

  • Yo. Yo. Bilynskyi Vinnytsia National Technical University
  • B. P. Knysh Vinnytsia National Technical University
  • D. V. Novytskyi Vinnytsia National Technical University

DOI:

https://doi.org/10.31649/1997-9266-2021-154-1-7-13

Keywords:

humidity, natural gas, ultrahigh-frequency measuring transducer, traveling wave, experimental research, modeling

Abstract

There has been considered the problem of ensuring the accuracy of quality assessment of natural gas when the composition of gas is in accordance with the specific values of its main physical properties (a calorific value, a rate of moisture, the presence of corrosive components (hydrogen sulfide, carbon dioxide, etc.)) and its possible solving grounded in the modern gas measuring approaches. The most dangerous and, in this way, important is an issue with a humidity presence inside of a gas mix because it can cause such negative outcomes as the corrosion of the pipelines and armatures, the formation of hydrates (composition of water and other agents ) and the condensates.

There has been proposed the math model of microwave-measuring transforming of natural gas humidity bases on the absorbing of a microwave signal and, in such a way, measuring of signal volume on the end of a waveguide during the changing of the gas humidity. To do this, we use the properties of running wave. The natural gas can be presented as the binary heterogeneous structure of two dielectrics (water-gas), so the equivalent scheme allows us measure the electric losses in a capacitor system using the know frequency of an electric signal.

The modeling of an equivalent scheme of a microwave-measuring transformer of natural gas humidity and its main results has been presented.

The experimental researches of a microwave-measuring transformer of natural gas humidity have been carried out. For this purpose, the research methodology was developed and specific instruments and measuring devices were implemented: the model generator of natural gas humidity “Rodnic-2”, the stationary gauge system Mitchell Dew Point Calibration System Precesion Dewpointmeter produced by Michell Instruments and calculator Free Professional Online Humidity Calculator. The results of the experimental researches and modeling confirm the adequacy of the developed model of a microwave-measuring transformer of natural gas humidity.

Author Biographies

Yo. Yo. Bilynskyi, Vinnytsia National Technical University

Dr. Sc. (Eng.), Professor, Head of the Chair of Electronics and Nanosystems

B. P. Knysh, Vinnytsia National Technical University

Cand. Sc. (Eng.), Senior Lecturer of the Chair of Electronics and Nanosystems

D. V. Novytskyi, Vinnytsia National Technical University

Post-Graduate Student of the Chair of Electronics and Nanosystems

References

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G. Korotcenkov, Handbook of Humidity Measurement, vol. 1: Spectroscopic Methods of Humidity Measurement. CRC Press Published March 26, 2018, Reference, 372 p.

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Published

2021-02-26

How to Cite

[1]
Y. Y. . Bilynskyi, B. P. . Knysh, and D. V. . Novytskyi, “The Modeling and the Experimental Researches of the Microwave-Measuring Transformer of the Humidity of Natural Gas”, Вісник ВПІ, no. 1, pp. 7–13, Feb. 2021.

Issue

No. 1 (2021)

Section

Automation and information-measuring equipment

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