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The zero flow performance of a sing-around type flow meter
1990 (English)In: Proceedings: IEEE 1990 Ultrasonics Symposium, December 4 - 7, 1990, Honolulu, HI, New York: IEEE Communications Society, 1990, Vol. 3, 1541-1544 p.Conference paper (Refereed)
Abstract [en]

Design considerations were taken to correct for the speed of sound influences and reciprocity effect. The meter was tested using from 1000 to 20000 sing-around loops. To investigate averaging phenomena, 1-100 primary velocity values were averaged to form one velocity value. The temperature range tested was 2-45°C, with measurements at 5°C intervals. The measurements show a zero flow stability of better than ±0.6 mm/s (±1 l/h, φ 25-mm pipe) in the entire temperature range. The standard deviation at each temperature tested was less than 0.45 mm/s. This implies that flow velocities as low as 6 cm/s (100 l/h, φ 25-mm pipe) could be measured with an accuracy of better than ±1%. The tests were made with water as the medium

Place, publisher, year, edition, pages
New York: IEEE Communications Society, 1990. Vol. 3, 1541-1544 p.
Research subject
Industrial Electronics
URN: urn:nbn:se:ltu:diva-31079DOI: 10.1109/ULTSYM.1990.171625Local ID: 5225b180-d8af-11db-a1bf-000ea68e967bISBN: 0-87942-562-8OAI: diva2:1004309
IEEE Ultrasonics Symposium : 04/12/1990 - 07/12/1990
Upprättat; 1990; 20070322 (pekkari)Available from: 2016-09-30 Created: 2016-09-30

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