Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/80912
Type: Artigo de periódico
Title: Prediction of the bed-load transport by gas-liquid stratified flows in horizontal ducts
Author: Franklin, ED
Abstract: Solid particles can be transported as a mobile granular bed, known as bed-load, by pressure-driven flows. A common case in industry is the presence of bed-load in stratified gas-liquid flows in horizontal ducts. In this case, an initially flat granular bed may be unstable, generating ripples and dunes. This three-phase flow, although complex, can be modeled under some simplifying assumptions. This paper presents a model for the estimation of some bed-load characteristics. Based on parameters easily measurable in industry, the model can predict the local bed-load flow rates and the celerity and the wavelength of instabilities appearing on the granular bed. (C) 2012 Elsevier Inc. All rights reserved.
Subject: Closed-conduit flow
Pressure gradient
Sediment transport
Bed-load
Instability
Country: EUA
Editor: Elsevier Science Inc
Rights: fechado
Identifier DOI: 10.1016/j.apm.2012.11.013
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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