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Instantaneous turbulent forces and impulse on a rough bed: Implications for initiation of bed material movement
Author(s) -
Celik Ahmet Ozan,
Diplas Panayiotis,
Dancey Clint L.
Publication year - 2013
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1002/wrcr.20210
Subject(s) - impulse (physics) , mechanics , turbulence , entrainment (biomusicology) , wake , geology , lift (data mining) , geotechnical engineering , classical mechanics , physics , acoustics , computer science , rhythm , data mining
Key Points The pdf of impulse events is well described by a log normal distribution The local streamwise velocity plays a dominant role on particle dislodgement Wake flows increase particle entrainment via enhanced lift and increased TI