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Nariman Ashrafi
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Proceedings Papers

The Investigation of the Kinetic Energy of Slug in a Horizontal Channel Using VOF Method

Nariman Ashrafi, Mohammad Reza Ansari, Armin Chegini, Ali Sadeghi
Proc. ASME. IMECE2018, Volume 7: Fluids Engineering, V007T09A008, November 9–15, 2018
Paper No: IMECE2018-87108
DOI: https://doi.org/10.1115/IMECE2018-87108
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Topics: Kinetic energy, Slug flows, Ducts, Momentum, Fluids, Geometry, Pressure gradient, Turbulence
Proceedings Papers

Analysis of Two-Phase Flow Slug Regime With Engineering Approach

Nariman Ashrafi, Armin Chegini, Ali Sadeghi
Proc. ASME. IMECE2018, Volume 7: Fluids Engineering, V007T09A009, November 9–15, 2018
Paper No: IMECE2018-87118
DOI: https://doi.org/10.1115/IMECE2018-87118
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Topics: Slug flows, Two-phase flow, Ducts, Pressure, Flow (Dynamics), Geometry, Momentum, Physics, Waves
Proceedings Papers

Herschel-Bulkley Fluid Flow Characteristics in a Duct With an Obstacle

Nariman Ashrafi, Ali Sadeghi, Armin Chegini, Mehdi Shafahi
Proc. ASME. IMECE2018, Volume 7: Fluids Engineering, V007T09A038, November 9–15, 2018
Paper No: IMECE2018-87092
DOI: https://doi.org/10.1115/IMECE2018-87092
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Topics: Ducts, Flow (Dynamics), Fluid dynamics, Fluids, Momentum, Plates (structures), Shear (Mechanics), Shear stress, Viscosity
Proceedings Papers

Viscoplastic Fluid Flow Between Parallel Plates With Triangular Obstacles

Nariman Ashrafi, Ali Sadeghi, Armin Chegini
Proc. ASME. IMECE2018, Volume 7: Fluids Engineering, V007T09A039, November 9–15, 2018
Paper No: IMECE2018-87105
DOI: https://doi.org/10.1115/IMECE2018-87105
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Topics: Ducts, Flow (Dynamics), Fluid dynamics, Fluids, Plates (structures), Reynolds number, Viscosity, Vortices
Proceedings Papers

Formation of Boundary Layer in the Flow of Shear-Dependent-Viscosity Fluids Between Parallel Plates

Nariman Ashrafi, Ali Sadeghi, Mehdi Shafahi
Proc. ASME. IMECE2017, Volume 7: Fluids Engineering, V007T09A030, November 3–9, 2017
Paper No: IMECE2017-70722
DOI: https://doi.org/10.1115/IMECE2017-70722
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Topics: Boundary layers, Flow (Dynamics), Fluids, Plates (structures), Shear (Mechanics), Viscosity, Laminar flow, Momentum, Shear stress
Proceedings Papers

Oscillating Viscoelastic Flow

Nariman Ashrafi, Sepideh Samghani
Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 1035-1042, November 9–15, 2012
Paper No: IMECE2012-85635
DOI: https://doi.org/10.1115/IMECE2012-85635
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Topics: Flow (Dynamics), Plates (structures), Stress, Excitation, Fittings, Galerkin method, Inertia (Mechanics), Reynolds number, Rheology, Stability
Proceedings Papers

Analysis of Gravity-Driven Slurry Flow

Nariman Ashrafi, Haniyeh Zeydabadi
Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 1043-1049, November 9–15, 2012
Paper No: IMECE2012-85651
DOI: https://doi.org/10.1115/IMECE2012-85651
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Topics: Flow (Dynamics), Gravity (Force), Slurries, Pressure gradient, Stress, Closed channels, Fluid dynamics, Fluids, Sewer systems, Viscoelastic fluids
Proceedings Papers

Influence of the Aspect Ratio on the Stability of Pseudoplastic Fluids Between Rotating Cylinders

Nariman Ashrafi, Habib Karimi Haghighi
Proc. ASME. IMECE2012, Volume 4: Dynamics, Control and Uncertainty, Parts A and B, 507-513, November 9–15, 2012
Paper No: IMECE2012-85046
DOI: https://doi.org/10.1115/IMECE2012-85046
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Topics: Cylinders, Fluids, Stability, Vortices, Flow (Dynamics), Annulus, Bifurcation, Shear (Mechanics)
Proceedings Papers

Dynamical Analysis of Magnetorheological Rotational Flow

Nariman Ashrafi, Abdolreza Mortezapoor
Proc. ASME. IMECE2011, Volume 7: Dynamic Systems and Control; Mechatronics and Intelligent Machines, Parts A and B, 353-360, November 11–17, 2011
Paper No: IMECE2011-63045
DOI: https://doi.org/10.1115/IMECE2011-63045
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Topics: Rotational flow, Bifurcation, Stability, Vortices, Excitation, Boundary-value problems, Dynamic systems, Flow (Dynamics), Magnetic fields, Momentum
Proceedings Papers

Viscoelastic Abrasive Waterjet

Nariman Ashrafi
Proc. ASME. IMECE2011, Volume 3: Design and Manufacturing, 677-681, November 11–17, 2011
Paper No: IMECE2011-63051
DOI: https://doi.org/10.1115/IMECE2011-63051
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Topics: Aluminum, Friction, Glass, Machining, Pumps, Simulation, Stability, Stress, Water
Proceedings Papers

Application of Viscoelastic Fluids in Industrial Dampers

Nariman Ashrafi, Mohamad Reza Eskafi
Proc. ASME. IMECE2011, Volume 6: Fluids and Thermal Systems; Advances for Process Industries, Parts A and B, 189-195, November 11–17, 2011
Paper No: IMECE2011-63049
DOI: https://doi.org/10.1115/IMECE2011-63049
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Topics: Dampers, Viscoelastic fluids, Flow (Dynamics), Stress, Damping, Design, Excitation, Fittings, Flat plates, Galerkin method
Proceedings Papers

Stress Analysis of Pseudo-Plastic Flow Between Rotating Cylinders

Nariman Ashrafi, Habib Karimi Haghighi
Proc. ASME. IMECE2011, Volume 6: Fluids and Thermal Systems; Advances for Process Industries, Parts A and B, 197-202, November 11–17, 2011
Paper No: IMECE2011-63059
DOI: https://doi.org/10.1115/IMECE2011-63059
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Topics: Cylinders, Flow (Dynamics), Stress analysis (Engineering), Stress, Computer software, Dynamic systems, Momentum, Plasticity, Viscosity
Proceedings Papers

Shear-Thickening Flow Between Coaxial Cylinders

Nariman Ashrafi, Habib Karimi Haghighi
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 1381-1387, July 24–29, 2011
Paper No: AJK2011-03038
DOI: https://doi.org/10.1115/AJK2011-03038
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Topics: Cylinders, Flow (Dynamics), Shear (Mechanics), Fluids, Stability, Bifurcation, Dynamic systems, Momentum, Viscosity, Vortices
Proceedings Papers

Design and Analysis of Nonlinear Viscoelastic Damper

Nariman Ashrafi, Mohamad Reza Eskafi
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 1399-1405, July 24–29, 2011
Paper No: AJK2011-03045
DOI: https://doi.org/10.1115/AJK2011-03045
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Topics: Dampers, Design, Damping, Excitation, Finite difference methods, Fittings, Flat plates, Flow (Dynamics), Rheology, Viscoelastic materials
Proceedings Papers

Stability of Shear-Thickening Liquids Between Rotating Cylinders

Nariman Ashrafi, Habib Karimi Haghighi
Proc. ASME. IMECE2010, Volume 8: Dynamic Systems and Control, Parts A and B, 1041-1046, November 12–18, 2010
Paper No: IMECE2010-39854
DOI: https://doi.org/10.1115/IMECE2010-39854
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Topics: Cylinders, Shear (Mechanics), Stability, Flow (Dynamics), Fluids, Bifurcation, Dynamic systems, Momentum, Viscosity, Vortices
Proceedings Papers

Effects of Temperature on Rheology of Olive Oils

Nariman Ashrafi
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 97-102, November 13–19, 2009
Paper No: IMECE2009-10585
DOI: https://doi.org/10.1115/IMECE2009-10585
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Topics: Oils, Petroleum, Rheology, Temperature effects, Temperature, Viscosity, Shear rate, Heating, Physiology, Shear (Mechanics)
Proceedings Papers

Rheology of Selected Honeys

Nariman Ashrafi
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 91-96, November 13–19, 2009
Paper No: IMECE2009-10583
DOI: https://doi.org/10.1115/IMECE2009-10583
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Topics: Rheology, Temperature, Fittings, Physiology, Shear (Mechanics), Thixotropy, Viscoelasticity, Water
Proceedings Papers

Stability of Shear-Thinning Flow Between Rotating Cylinders

Nariman Ashrafi
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1861-1868, November 11–15, 2007
Paper No: IMECE2007-41557
DOI: https://doi.org/10.1115/IMECE2007-41557
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Topics: Cylinders, Flow (Dynamics), Shear (Mechanics), Stability
Proceedings Papers

Stability of Viscoelastic Channel Flow

Nariman Ashrafi
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1889-1894, November 11–15, 2007
Paper No: IMECE2007-41830
DOI: https://doi.org/10.1115/IMECE2007-41830
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Topics: Channel flow, Fluids, Stability
Proceedings Papers

Effects of Shear Thinning on Taylor-Couette Flow: A Model for Synovial Fluid Flow

Nariman Ashrafi
Proc. ASME. PVP2006-ICPVT-11, Volume 4: Fluid Structure Interaction, Parts A and B, 251-256, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-93379
DOI: https://doi.org/10.1115/PVP2006-ICPVT-11-93379
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Topics: Flow (Dynamics), Fluid dynamics, Fluids, Shear (Mechanics), Stability