<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Einstein-Barbarossa velocity or resistance equation (1952) is widely used to find resistance to flow in alluvial channel. In order to validate the equation in all ranges (smooth to rough); they introduced a correction factor based on the Nikuradse measurement. This correction factor is determined from the graphical method, which can be erroneous. Present work reanalyzes the Nikuradse measurements and gives an analytical formulation for the correction factor.</p></abstract>

Einstein-Barbarossa velocity or resistance equation (1952) is widely used to find resistance to flow in alluvial channel. In order to validate the equation in all ranges (smooth to rough); they introduced a correction factor based on the Nikuradse measurement. This correction factor is determined from the graphical method, which can be erroneous. Present work reanalyzes the Nikuradse measurements and gives an analytical formulation for the correction factor.

Analytical Formulation of the Correction Factor Applied in Einstein and Barbarossa Equation (1952)

Department of Civil Engineering, IISc, Bangalore-India

Journal of Hydrology and Hydromechanics

Einstein-Barbarossa velocity or resistance equation (1952) is widely used to find resistance to flow in alluvial channel. In order to validate the equation in...

Analytical Formulation of the Correction Factor Applied in Einstein and Barbarossa Equation (1952)

Publié en ligne: 28 mars 2009

Pages: 40 - 44

DOI: https://doi.org/10.2478/v10098-009-0004-2

Mots clés
aluviálny kanál, Einsteinova-Barbarossova rovnica, logaritmický profil rýchlosti, hydraulicky drsné hranice, hydraulicky hladké hranice, transport sedimentov

This content is open access.

Analytical Formulation of the Correction Factor Applied in Einstein and Barbarossa Equation (1952)

Publié en ligne: 28 mars 2009

Pages: 40 - 44

DOI: https://doi.org/10.2478/v10098-009-0004-2

Mots clésaluviálny kanál, Einsteinova-Barbarossova rovnica, logaritmický profil rýchlosti, hydraulicky drsné hranice, hydraulicky hladké hranice, transport sedimentov

This content is open access.

Mots clés
aluviálny kanál, Einsteinova-Barbarossova rovnica, logaritmický profil rýchlosti, hydraulicky drsné hranice, hydraulicky hladké hranice, transport sedimentov