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Applied Mathematical Modelling, ISSN 0307-904X, 12/2015, Volume 39, Issue 23-24, pp. 7390 - 7400
Sand ripples are commonly observed in both nature and industry. For example, they are found on riverbeds and in oil pipelines that transport sand. In both... 
Bed load | Instability | Ripples | Turbulent flow | Sediment transport | NONLINEAR INSTABILITIES | DUNES | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | MECHANICS | MOTION | ENGINEERING, MULTIDISCIPLINARY | ERODIBLE-BED | CHANNELS | RIVERS | Analysis | Bedforms | Pipe lines | Petroleum | Physics - Fluid Dynamics
Journal Article
Applied Mathematical Modelling, ISSN 0307-904X, 03/2013, Volume 37, Issue 5, pp. 3193 - 3199
Three-dimensional sand ripples can be observed under steady liquid flows in both nature and industry. Some examples are the ripples observed on the bed of... 
Liquid flow | Vortex instability | Bed-load | Sand ripples | Sediment transport | DUNE SHAPES | NONLINEAR INSTABILITIES | FLOW | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | MECHANICS | ENGINEERING, MULTIDISCIPLINARY | ERODIBLE-BED | SELECTION | VELOCITIES | Rivers | Sand | Stability | Vortices | Fluid flow | Ripples | Instability | Mathematical models | Three dimensional | Physics - Fluid Dynamics
Journal Article
Applied Mathematical Modelling, ISSN 0307-904X, 04/2013, Volume 37, Issue 8, pp. 5627 - 5636
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... 
Closed-conduit flow | Instability | Pressure gradient | Bed-load | Sediment transport | PARTICLES | NONLINEAR INSTABILITIES | DUNES | WAVES | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | MECHANICS | ENGINEERING, MULTIDISCIPLINARY | RIVERS | RIPPLES | Invisibility | Analysis | Horizontal | Wavelengths | Ducts | Ripples | Mathematical models | Models | Dunes | Stratified flow | Physics - Fluid Dynamics
Journal Article
Physica A: Statistical Mechanics and its Applications, ISSN 0378-4371, 01/2017, Volume 465, pp. 725 - 741
Grain flows through pipes are frequently found in various settings, such as in pharmaceutical, chemical, petroleum, mining and food industries. In the case of... 
Gravitational flow | Instability | Density waves | Fine grains | Narrow pipes | PHYSICS, MULTIDISCIPLINARY | GRANULAR FLOW | VERTICAL PIPE | MEDIA | INSTABILITIES | Image processing | Analysis | Wave propagation | Physics - Soft Condensed Matter
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 3/2018, Volume 40, Issue 3, pp. 1 - 18
This paper presents an experimental investigation of the perturbation of a turbulent closed-conduit flow by two-dimensional triangular ripples. Two ripple... 
Turbulent boundary layer | Engineering | Closed-conduit flow | Ripples | Mechanical Engineering | Perturbation | SHAPES | HILLS | SIMULATION | ENGINEERING, MECHANICAL | SUBAQUEOUS BARCHAN DUNES | WIND-TUNNEL | DYNAMICS | SAND TRANSPORT | SELECTION | VELOCITIES | Physics - Fluid Dynamics
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 8/2018, Volume 40, Issue 8, pp. 1 - 11
The flow of a liquid film over an inclined plane is frequently found in nature and industry, and, under some conditions, instabilities in the free surface may... 
Liquid film | Gravity-driven flow | Engineering | Instability | Galerkin method | Mechanical Engineering | Inverse iteration method | Chebyshev polynomials | STABILITY | FLOW | ENGINEERING, MECHANICAL | INSTABILITIES | Physics - Fluid Dynamics
Journal Article
Powder Technology, ISSN 0032-5910, 03/2019, Volume 345, pp. 234 - 246
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 4/2018, Volume 40, Issue 4, pp. 1 - 16
This paper presents an experimental study on the transition from smooth to rough walls, and back to the smooth one, in turbulent closed-conduit flows. These... 
Turbulent boundary layer | Engineering | Closed-conduit flow | Mechanical Engineering | Surface transition | Rough elements | BOUNDARY-LAYER | WALL | ENGINEERING, MECHANICAL | Physics - Fluid Dynamics
Journal Article
Applied Mathematical Modelling, ISSN 0307-904X, 2012, Volume 36, Issue 3, pp. 1057 - 1067
Granular media are frequently found in nature and in industry and their transport by a fluid flow is of great importance to human activities. One case of... 
Pattern formation | Instability | Sediment transport | WAVES | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | MECHANICS | ENGINEERING, MULTIDISCIPLINARY | ERODIBLE-BED | FLOW | Rivers | Analysis | Bedforms | Sand | Stability | Fluid flow | Ripples | Mathematical models | Dunes | Physics - Fluid Dynamics
Journal Article
Powder Technology, ISSN 0032-5910, 2009, Volume 190, Issue 1, pp. 247 - 251
The transport of solid particles entrained by a fluid flow is frequently found in industrial applications. A better knowledge of it, is of importance to... 
Dunes | Fluid flow | Transport of solid particles | ENGINEERING, CHEMICAL | Physics - Fluid Dynamics
Journal Article
Powder Technology, ISSN 0032-5910, 11/2019
Powder Technology, volume and pages to be assigned by Elsevier, DOI:10.1016/j.powtec.2019.09.089 This paper investigates experimentally and numerically the... 
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 11/2013, Volume 35, Issue 4, pp. 337 - 346
Turbulent boundary layers over flat walls in the presence of a hill are frequently found in nature and industry. Some examples are the airflows over hills and... 
Turbulent boundary layer | Engineering | Hill | Mechanical Engineering | Perturbation | Instabilities | SUBAQUEOUS BARCHAN DUNES | NONLINEAR INSTABILITIES | LIQUID FLOW | ENGINEERING, MECHANICAL | Physics - Fluid Dynamics
Journal Article
Experimental Thermal and Fluid Science, ISSN 0894-1777, 11/2016, Volume 78, pp. 220 - 228
[Display omitted] •We investigate the transport of grains sheared by a turbulent liquid flow.•Under the tested conditions, the grains were transported as a... 
Bed load | Individual grains | Turbulent flow | Sediment transport | WIND | DUNE SHAPES | SAND | PHYSICS, FLUIDS & PLASMAS | ENGINEERING, MECHANICAL | INSTABILITIES | TRANSPORT | MOTION | THERMODYNAMICS | SELECTION | RIVERS | RIPPLES | Pipe lines | Hydraulic measurements | Sewer systems | Petroleum | Physics - Fluid Dynamics
Journal Article
Applied Mathematical Modelling, ISSN 0307-904X, 04/2013, Volume 37, Issue 8, pp. 5627 - 5636
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... 
Horizontal | Wavelengths | Ducts | Ripples | Mathematical models | Models | Dunes | Stratified flow
Journal Article
Experimental Thermal and Fluid Science, ISSN 0894-1777, 02/2016, Volume 71, pp. 95 - 102
[Display omitted] •We investigate the formation and migration of sand ripples in closed conduits.•Turbulent water flows were imposed over a granular bed in a... 
Bed load | Ripples | Turbulent water flow | Instabilities | WIND | WAVES | THERMODYNAMICS | ERODIBLE-BED | INITIATION | PHYSICS, FLUIDS & PLASMAS | DUNES | ENGINEERING, MECHANICAL | Pipe lines | Hydraulic measurements | Sewer systems | Petroleum | Bedforms | Sediment transport | Turbulence | Turbulent flow | Sand | Computational fluid dynamics | Fluid flow | Conduits | Water flow | Physics - Fluid Dynamics
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 01/2012, Volume 34, Issue 1, pp. 1 - 8
The entrainment of solid particles by a fluid flow is frequently found in nature and in industry. A better knowledge of this is of importance to understand the... 
Instability | Numerical simulations | Mathematical modeling | Turbulent boundary-layer | Bed-load | numerical simulations | MINIMAL MODEL | ERODIBLE-BED | instability | LENGTH | mathematical modeling | bed-load | turbulent boundary-layer | SAND DUNES | RIPPLES | FLOW | ENGINEERING, MECHANICAL
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 10/2014, Volume 36, Issue 4, pp. 725 - 736
Experiments on the effects due solely to a mobile granular layer on a liquid flow are presented (feedback effect). Nonintrusive measurements were performed in... 
Turbulent boundary layer | Bed load | Engineering | Mechanical Engineering | Feedback effect | Sediment transport | WIND | VELOCITY | PROFILE | TRANSPORT FORMULAS | INCIPIENT MOTION | NONLINEAR INSTABILITIES | ENGINEERING, MECHANICAL | Physics - Fluid Dynamics
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 07/2011, Volume 33, Issue 3, pp. 265 - 271
The granular media is of great importance in our quotidian, and their transport by a fluid flow is frequently found in nature and in industry. When the shear... 
Pattern formation | Nonlinear instabilities | Two-phase flow | Bed-load | Granular bed | nonlinear instabilities | bed-load | granular bed | pattern formation | ENGINEERING, MECHANICAL | two-phase flow
Journal Article
Journal of the Brazilian Society of Mechanical Sciences and Engineering, ISSN 1678-5878, 9/2015, Volume 37, Issue 5, pp. 1507 - 1513
Gravitational flow of grains in pipes is frequently encountered in industry. When the grains and pipes are size-constrained, granular flow may result in... 
Engineering | Granular matter | Pipe flow | Gravitational flow | Instability | Density waves | Mechanical Engineering | GRANULAR MATERIAL | ENGINEERING, MECHANICAL | INSTABILITIES | Physics - Soft Condensed Matter
Journal Article
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