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New instrument for measuring the velocity of sound in gases and quantitative characterization of binary gas mixtures
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.ORCID iD: 0000-0002-9043-2418
OPTEL Sp. z o.o. (Ltd).ORCID iD: 0000-0002-5604-1309
OPTEL Sp. z o.o. (Ltd).ORCID iD: 0000-0002-6377-0606
2016 (English)In: Pomiary Automatyka Kontrola = Measurement Automation and Monitoring, ISSN 0032-4140, Pomiary Automatyka Kontrola; Measurement Automation Monitoring [PAK; MAM], ISSN 2450-2855, Vol. 65, no 08, p. 254-258Article in journal (Refereed) Published
Abstract [en]

A new instrument for precise measurements of velocity of sound in gases was developed and tested. The instrument implements improved velocity of sound measuring technique based on time-of-flight measurement of ultrasonic pulses.  The instrument was developed primarily for conducting measurements in natural gas, it can operate in wide ranges of natural gas compositions as well as other gas mixtures with velocity of sound parameter in range of 200 to 500 m/s.

The instrument allows conducting measurement of velocity of sound propagation in various gas mixtures with average repeatability of equal to ±1 cm/s at normal conditions. The accuracy of measurement depends on calibration conditions and approach and has good agreement with theoretically calculated values. The instrument has a modular design of control unit and flow-through measuring chamber. The set of distinctive features and adjustable measuring parameters of the instrument allows further improving of applicability for other gases and gas mixtures and various measurement conditions.

The instrument showed good performance in the task of quantitative characterization of binary gas mixtures by velocity of sound parameter.

Place, publisher, year, edition, pages
Warsaw, Poland, 2016. Vol. 65, no 08, p. 254-258
Keywords [en]
ultrasonic measurement, velocity of sound, speed of sound, natural gas, time of flight, characterization of gas mixture, analysis of gas mixture
National Category
Signal Processing Energy Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Energy Technology; Industrial Information and Control Systems; Materials Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-200390OAI: oai:DiVA.org:kth-200390DiVA, id: diva2:1068994
Projects
EUREKA Eurostars-2 Project E! 9324 UltraGasQ TechnologyKIC Innoenergy Project GasQ
Funder
VINNOVA, E! 9324
Note

QC 20170320

Available from: 2017-01-26 Created: 2017-01-26 Last updated: 2017-11-29Bibliographically approved

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