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Errors in piezometric measurement
Laboratory investigation was conducted to study accuracy of piezometric depth measurements in open channels; results of over 3000 observations indicate that measurements of depth are characterized by positive errors that increase with size of piezometer opening; for given piezometer size, error is expressed as constant percentage of mean velocity head; roughnesses added to test channel tended to reduce magnitude of error, while mechanically generated surface waves did not influence measurement.
Errors in piezometric measurement
Laboratory investigation was conducted to study accuracy of piezometric depth measurements in open channels; results of over 3000 observations indicate that measurements of depth are characterized by positive errors that increase with size of piezometer opening; for given piezometer size, error is expressed as constant percentage of mean velocity head; roughnesses added to test channel tended to reduce magnitude of error, while mechanically generated surface waves did not influence measurement.
Errors in piezometric measurement
ASCE -- Proc (J Hydraulics Div)
Emmett, W.W. (author) / Wallace, J.R. (author)
1964
17 pages
Article (Journal)
English
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Errors in Piezometric Measurement
| ASCE | 2021
Discussion of “Errors in Piezometric Measurement”
| ASCE | 2021
Closure to “Errors in Piezometric Measurement”
| ASCE | 2021
Discussion of “Errors in Piezometric Measurement”
| ASCE | 2021
Discussion of “Errors in Piezometric Measurement”
| ASCE | 2021