Water turbulence disrupts accuracy of some flow meters
Flow meters were tested under a variety of conditions to determine potential errors in flow rate measurements due to excessive turbulence in the water. Results showed that propeller meters, the Hall meter and the Collins meter were not particularly sensitive to turbulence...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
University of California Agriculture and Natural Resources
1998-01-01
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| Series: | California Agriculture |
| Online Access: | http://calag.ucanr.edu/archive/?article=ca.v052n01p25 |
| Summary: | Flow meters were tested under a variety of conditions to determine potential errors
in flow rate measurements due to excessive turbulence in the water. Results showed
that propeller meters, the Hall meter and the Collins meter were not particularly
sensitive to turbulence caused by elbows, while paddle-wheel meters and velocity gauges
were sensitive to turbulence. Relatively large errors occurred for all meters under
turbulence caused by a partially closed butterfly valve. Inserting six straightening
vanes greatly reduced the error caused by partially closed valves. |
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| ISSN: | 0008-0845 2160-8091 |