Authors: E.A. Nikolaeva, A.V. Nikolaev

Title of the article: Application of the method of measuring the flow and volume of gas by the thermoanemometric method in the pipeline

Year: 2021, Issue: 3, Pages: 18-25

Branch of knowledge: 05.02.08 Engineering Technology

Index UDK: 006.9

DOI: 10.26730/1999-4125-2021-3-18-25

Abstract: Accurate determination of the amount of gas supplied to an industrial enterprise (consumer) is an important function of the organization that uses gas in the production of its products. Accurate gas metering can significantly affect the economic efficiency of an enterprise. It is necessary to take into account the gas consumption for the correct conducting of financial transactions between the supplier and the consumer, as well as for monitoring the operating modes of the enterprise, drawing up and analyzing the balance.
To calculate the gas flow rate, a number of instruments and complex methods for calculating its final value are used, which are associated with measuring the gas flow rate at different values of influencing factors (temperature, density, gas pressure). Gas flow measurement is carried out using a variety of measurement techniques, such as variable differential pressure using orifice devices, ultrasonic method, eddy current method, rotary method and hot-wire method.
An important issue in accounting for the amount of gas used is the reliability of measuring the volume of gas and balancing the modes of gas supply and gas consumption. Gas metering devices that are used at the enterprise should have the smallest measurement error in various ranges and demonstrate reliable operation.
This paper considers application of the hot-wire method for measuring the gas flow rate and the calculation of metrological characteristics of measurements.

Key words: Metrological characteristics thermoanemometric method relative error absolute error method

Receiving date: 14.04.2021

Publication date: 02.07.2021

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