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On measuring time‐averaged velocities in open channel flow
Author(s) -
BARTHOLDY JESPER
Publication year - 1982
Publication title -
sedimentology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.494
H-Index - 108
eISSN - 1365-3091
pISSN - 0037-0746
DOI - 10.1111/j.1365-3091.1982.tb01711.x
Subject(s) - geology , standard deviation , open channel flow , flow (mathematics) , channel (broadcasting) , mechanics , geodesy , geotechnical engineering , statistics , mathematics , physics , telecommunications , engineering
ABSTRACT The problem of finding the necessary measuring time to determine the mean velocity in open channel flow is treated. The result shows an ‘on the safe side’ relation between measuring time and standard deviation of measured velocities.