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Relation of interfacial shear stress to the wave height for concurrent air‐water flow
Author(s) -
Lilleleht Lembit U.,
Hanratty Thomas J.
Publication year - 1961
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690070405
Subject(s) - shear stress , air water , surface finish , mechanics , geotechnical engineering , materials science , root mean square , displacement (psychology) , airflow , flow (mathematics) , surface roughness , geology , composite material , engineering , thermodynamics , physics , psychology , psychotherapist , electrical engineering
Waves at an interface between a concurrent air‐water flow cause an increase in the interfacial stress. This increase in stress is correlated with the root‐mean‐square displacement of the liquid from its average height. The data are compared with Nikuradse's measurements with sand roughness.