A magnetic flowmeter with conducting pipe wall for expanded field of applications.

H. Yamasaki; S. Honda; T. J. Chin; C. Akiyama

A magnetic flowmeter with conducting pipe wall for expanded field of applications.

H. Yamasaki, S. Honda, T. J. Chin, C. Akiyama

Department of Applied Physics and Physico-Informatics

Research output: Book/Report › Book

Abstract

The internal pipe wall of magnetic flowmeters should be nonconductive to prevent generated electromotive force from short circuiting. Usually the inside of metallic pipe is lined by insulating material. The lining limits applicable temperature range of measured fluid and also reliability. A new structure is proposed, in which the insulating liner is eliminated. A potential distribution is formed on the pipe wall by applying voltage proportional to fluid flowrate. The potential distribution is kept almost identical to the flow induced potential in the fluid so that no current flows across the boundary between fluid and wall. The output signal is consequently that of conventional magnetic flowmeters. (A)

Original language	English
Publisher	Akademiai Kiado
ISBN (Print)	963 05 3529 7
Publication status	Published - 1983 Jan 1

ASJC Scopus subject areas

Engineering(all)

Cite this

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AU - Chin, T. J.

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AB - The internal pipe wall of magnetic flowmeters should be nonconductive to prevent generated electromotive force from short circuiting. Usually the inside of metallic pipe is lined by insulating material. The lining limits applicable temperature range of measured fluid and also reliability. A new structure is proposed, in which the insulating liner is eliminated. A potential distribution is formed on the pipe wall by applying voltage proportional to fluid flowrate. The potential distribution is kept almost identical to the flow induced potential in the fluid so that no current flows across the boundary between fluid and wall. The output signal is consequently that of conventional magnetic flowmeters. (A)

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ER -

A magnetic flowmeter with conducting pipe wall for expanded field of applications.

Abstract

ASJC Scopus subject areas

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