Referenced Items are not available for this document.
The conventional electromagnetic (EM) flowmeter is useable with electrically conductive fluids, there is no triboelectric noise, and a low frequency square wave induction is used. Turbulently flowing nonconductive fluids have substantial triboelectric noise, with spectral density experimentally measured to be about f -2.6. High frequency induction remedies the triboelectric noise problem, but the rapidly repetitive dB/dt introduces excessive zero-point offset. Here we describe an electromagnet and signal processor that allow high frequency induction and discriminate against the offset - such that the EM flowmeter can be used with any fluid, whether conductive or insulating.
Published in:
Instrumentation and Measurement Technology Conference, 2002. IMTC/2002. Proceedings of the 19th IEEE
(Volume:1
)
Date of Conference: 2002
- Page(s):
- 103 - 108 vol.1
- ISSN :
- 1091-5281
- Print ISBN:
- 0-7803-7218-2
- INSPEC Accession Number:
- 7395746
- Digital Object Identifier :
- 10.1109/IMTC.2002.1006823
- Product Type:
- Conference Publications
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