L773:0041 624X OR L773:1874 9968
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- van Deventer, JanLuleå tekniska universitet,EISLAB (author)
Apparent transducer non-reciprocity in an ultrasonic flow meter
- Article/chapterEnglish2002
Publisher, publication year, extent ...
- 2002
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:ltu-10886
- https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-10886URI
- https://doi.org/10.1016/S0041-624X(02)00152-XDOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
Classification
Notes
- Validerad; 2002; 20061005 (ysko)
- This paper investigates the effects of non-identical ultrasonic transducers on reciprocity and zero-flow calibration in transit time flow meters. According to the theorem of reciprocity, there should not be any difference between the up- and downstream acoustic times of flight in a zero-flow situation. This would thus eliminate zero-flow estimation drifts. The flow meter is modeled as a one dimensional system with equivalent electrical circuits and simulated with simulation program with integrated circuits emphasis. The work shows that variations between the two transducers cause false estimates of flow and indicate which parameters have the largest influence. It indicates that reciprocity holds only for identical transducers.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- Industrial Electronics
- Industriell elektronik
Added entries (persons, corporate bodies, meetings, titles ...)
- Delsing, Jerker (author)
- Luleå tekniska universitetEISLAB (creator_code:org_t)
Related titles
- In:Ultrasonics40:1-8, s. 403-4050041-624X1874-9968
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