A TRAPEZOIDAL-WAVE ELECTROMAGNETIC BLOOD FLOWMETER

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Description

The electromagnetic flowmeter is an instrument that measures the velocity of a fluid moving in a tube or pipe. By constraining the vessel in a sleeve, flow may be measured directly. A magnetic field crosses the tube at 90 deg to the axis of the tube and to the plane of the electrcdes. As the ions in the fiuid pass the magnetic field, a voltage is induced in the electrode. This fiowmeter is different from existing fiowmeters because of the unique trapezoidal waveform that energizes the magnet. It was found that there are serious difficulties with electromagnetic flowmeters using sine ... continued below

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Pages: 42

Creation Information

Yanof, H M & Salz, P June 1, 1960.

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Description

The electromagnetic flowmeter is an instrument that measures the velocity of a fluid moving in a tube or pipe. By constraining the vessel in a sleeve, flow may be measured directly. A magnetic field crosses the tube at 90 deg to the axis of the tube and to the plane of the electrcdes. As the ions in the fiuid pass the magnetic field, a voltage is induced in the electrode. This fiowmeter is different from existing fiowmeters because of the unique trapezoidal waveform that energizes the magnet. It was found that there are serious difficulties with electromagnetic flowmeters using sine waves or square waves. The trapezoidal-wave electromagnetic blocd flowmeter is described. This new flowmeter is compared with other types of electromagnetic flowmeters. The construction of the transducer element is also discussed. (auth)

Physical Description

Pages: 42

Source

  • Other Information: Orig. Receipt Date: 31-DEC-61

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  • Report No.: UCRL-9204
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/4163013 | External Link
  • Office of Scientific & Technical Information Report Number: 4163013
  • Archival Resource Key: ark:/67531/metadc864663

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • June 1, 1960

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 31, 2016, 3:16 p.m.

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Yanof, H M & Salz, P. A TRAPEZOIDAL-WAVE ELECTROMAGNETIC BLOOD FLOWMETER, report, June 1, 1960; United States. (digital.library.unt.edu/ark:/67531/metadc864663/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.