EXPERIMENTAL STUDIES OF THE THERMOCATALYTIC METHOD FOR MEASURING THE HEAT OF COMBUSTION OF NATURAL GAS

Authors

  • Shynkaruk K. M. Інститут інформаційних технологій, Івано-Франківський національний технічний університет нафти і газу
  • Сhehovski S. A. Institute of information technology, ІFNTUOG
  • Pindus N. M. Institute of information technology, ІFNTUOG

DOI:

https://doi.org/10.31471/1993-9981-2021-1(46)-25-32

Keywords:

natural gas, heat of combustion, thermocatalytic method, experimental research.

Abstract

The paper describes the design of a laboratory bench for experimental studies of thermocatalytic methods for determining the heat of combustion of a gas using natural gas samples. The technique of measurements performed on the developed experimental stand is described in detail. The design of the described model was developed with the possibility of conducting research in a pulsed mode of operation, it significantly reduces the time for conducting experimental research and allows for each experiment to control the initial signal level of the measuring bridge circuit. The developed measuring stand allows one to measure one sensor in a bridge circuit, and also provides the ability to quickly replace the investigated transducer, which is important when conducting routine experimental research. The regularities of the change in the output signal of the measuring circuit were experimentally established when using a gas sample of a known composition and heat of combustion at a gas flow rate of 0.5 to 1.5 ml and a carrier gas (air) of 1-5 l / h. The results of testing thermocatalytic converters are presented. in a natural gas environment. Experimental studies have confirmed the possibility of using a thermochemical analyzer to measure low volumetric specific heats of combustion of natural gases. An important advantage of the described analyzer is that it provides the ability to measure the heat of combustion of a gas in a pulsed mode of operation with a small (0.5 - 2 ml) sample of the analyzed gas, which eliminates the need to use special means for stabilizing the volumetric flow rate of a variable gas composition, significantly reduces the time required for research, and also significantly reduces the costs associated with the purchase of pure gases.

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References

EN 1776:2015 Gas infrastructure. Gas measuring systems. Functional requirements.

ISO 15112:2007 Natural gas – Energy determination.

DSTU ISO 15112:2019 Prirodnij gaz. Viznachennya energiyi (ISO 15112:2018, IDT)

Shynkaruk H.M. Analiz metodiv ta zasobiv vimiryuvannya teploti zgoryannya prirodnogo gazu v Ukrayini ta zakordonom//Metodi ta priladi kontrolyu yakosti/ Naukovo-tehnichnij zhurnal. – 2019.- №2(43). - S.78-87.

Shynkaruk H.M., Chehovskij S.A. Teoretichne obgruntuvannya mozhlivosti zastosuvannya termokatalitichnogo metodu dlya viznachennya teploti zgoryannya prirodnogo gazu.// Perspektivni tehnologiyi ta priladi/ Naukovo-tehnichnij zhurnal. Luck, 2021. №18.

Farzane, N.G. Impulsnyj vvod analiziruemogo gaza v avtomaticheskih analizatorah/ N.G.Farzane, L.V. Ilyasov. Izmeritelnaya tehnika, 1971, №4 34-38s.

DSTU ISO 6976 « Prirodnij gaz. Obchislennya teploti zgoryannya, gustini, vidnosnoyi gustini i chisla Vobbe na osnovi komponentnogo skladu».

Published

2021-09-20

How to Cite

Шинкарук Х. М., Чеховський С. А., & Піндус Н. М. (2021). EXPERIMENTAL STUDIES OF THE THERMOCATALYTIC METHOD FOR MEASURING THE HEAT OF COMBUSTION OF NATURAL GAS. METHODS AND DEVICES OF QUALITY CONTROL, (1(46). https://doi.org/10.31471/1993-9981-2021-1(46)-25-32

Issue

Section

MEASUREMENT OF PHYSICAL AND MECHANICS PARAMETERS OF SUBSTANCES