Geodesic
Start-up of channel-flow of a Bingham fluid initially at rest
Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni, Série 9, Tome 15 (2004) no. 2, pp. 125-135.

Voir la notice de l'article provenant de la source Biblioteca Digitale Italiana di Matematica

We present an analytical solution of plane motion for a Bingham fluid initially at rest subjected to a suddenly applied constant pressure gradient. Using the Laplace transform we obtain expressions which allow a direct easy calculation of the velocity, of the plug thickness and of the rate of flow as function of time.
In questa Nota viene presentata una soluzione analitica per il moto piano laminare di un fluido di Bingham inizialmente in quiete sottoposto ad un gradiente di pressione costante. Si ottengono espressioni per il calcolo della velocità e dell’ampiezza del nucleo solido centrale in funzione del tempo. 
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Daprà, Irene; Scarpi, Giambattista. Start-up of channel-flow of a Bingham fluid initially at rest. Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni, Série 9, Tome 15 (2004) no. 2, pp. 125-135. http://geodesic.mathdoc.fr/item/RLIN_2004_9_15_2_a6/

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