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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Uehara, A. Eino, J. Hashizume, T. Wakui, T. Miyaji, N. Yuuki, Y. |
| Copyright Year | 2008 |
| Description | Author affiliation: Osaka Prefecture Univ., Sakai (Wakui, T.) || Yokogawa Electr. Corp., Musashino (Miyaji, N.; Yuuki, Y.) || Waseda Univ., Tokyo (Uehara, A.; Eino, J.; Hashizume, T.) |
| Abstract | A differential pressure transmitter with an orifice is widely used as a major field flowmeter. A major drawback of this flowmeter at the operation site is the blockage of the impulse line, which connects an orifice tap with a differential pressure transmitter. In this study, we investigate the relation between the amplitude of the pressure fluctuation in the oil line and the kinetic viscosity (1.0 times $10^{-5}$ to 3.0 times $10^{-5}$ $m^{2}/s).$ By conducting experiments in a water line, we have developed a method to diagnose the blockage of the impulse line. Hence, we use this method to diagnose the blockage in a line that carries a highly viscous fluid. Through experimental investigations, the following results are clarified: 1) The highly viscous fluid in the impulse line does not reduce the pressure fluctuation occurring at the multi-sensing differential pressure transmitter. 2) Highly viscous flow in the main line has small pressure fluctuations; however, these fluctuations have the same characteristics of the impulse line blockage as those in a water line. Therefore, the proposed method can diagnose the impulse line blockage in an oil line as well as in a water line. |
| Starting Page | 2977 |
| Ending Page | 2982 |
| File Size | 675123 |
| Page Count | 6 |
| File Format | |
| ISBN | 9784907764302 |
| DOI | 10.1109/SICE.2008.4655173 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-08-20 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | SICE |
| Subject Keyword | Viscous Flow Diagnostic Technique Impulse Line Blockage Differential Pressure Transmitter Pressure Fluctuation Flowmeter |
| Content Type | Text |
| Resource Type | Article |
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