Search Results - "Khomami, B"
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1
Ethnicity, obesity and the prevalence of impaired glucose tolerance and type 2 diabetes in PCOS: a systematic review and meta-regression
Published in Human reproduction update (01-07-2018)“…Abstract BACKGROUND Our prior meta-analyses demonstrated an increased prevalence of impaired glucose tolerance (IGT) and type 2 diabetes mellitus (T2DM) with…”
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2
High-fidelity scaling relationships for determining dissipative particle dynamics parameters from atomistic molecular dynamics simulations of polymeric liquids
Published in Scientific reports (10-03-2020)“…An optimized Dissipative Particle Dynamics (DPD) model with simple scaling rules was developed for simulating entangled linear polyethylene melts. The scaling…”
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3
Pattern formation in Taylor-Couette flow of dilute polymer solutions: dynamical simulations and mechanism
Published in Physical review letters (04-08-2006)“…We report spatiotemporal pattern formation in Taylor-Couette flow (i.e., flow between rotating cylinders) of viscoelastic dilute polymer solutions obtained for…”
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4
Continuum and multi-scale simulation of mixed kinematics polymeric flows with stagnation points: Closure approximation and the high Weissenberg number problem
Published in Journal of non-Newtonian fluid mechanics (01-06-2011)“…► Simulation of complex kinematics flows of dilute polymeric solutions with internal stagnation points has been performed. ► The origin of the high Weissenberg…”
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Journal Article Conference Proceeding -
5
Turbulent channel flow of dilute polymeric solutions: Drag reduction scaling and an eddy viscosity model
Published in Journal of non-Newtonian fluid mechanics (01-12-2006)“…Direct numerical simulation of viscoelastic turbulent channel flows up to the maximum drag reduction (MDR) limit has been performed. The simulation results in…”
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6
A mean-field anisotropic diffusion model for unentangled polymeric liquids and semi-dilute solutions: Model development and comparison with experimental and simulation data
Published in Journal of non-Newtonian fluid mechanics (01-06-2011)“…A coarse-grained mesoscopic model was developed based on the ansatz that a specific polymer molecule diffuses through the nearby neighboring chains more easily…”
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Journal Article Conference Proceeding -
7
Passive scalar transport in polymer drag-reduced turbulent channel flow
Published in AIChE journal (01-07-2005)“…Passive scalar transport in turbulent channel flow of viscoelastic dilute polymer solutions exhibiting drag reduction (DR) is studied using direct numerical…”
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8
Flow of branched polymer melts in a lubricated cross-slot channel: a combined computational and experimental study
Published in Rheologica acta (2009)“…Numerical simulations have been performed to evaluate the accuracy of the multimode Giesekus model in predicting the flow behavior of a rheologically well…”
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9
Experimental investigation of purely elastic instabilities in periodic flows
Published in Journal of non-Newtonian fluid mechanics (30-12-2002)“…Purely elastic instabilities in the flows of polyisobutylene-based Boger fluids in the periodic channel (PC) and past a (linear) periodic array of closely…”
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Journal Article Conference Proceeding -
10
A computationally efficient approach for Hi fidelity fine graining from bead-spring models to bead-rod models
Published in Journal of non-Newtonian fluid mechanics (15-02-2008)“…The Random Walk Spring (RWS) [P.T. Underhill, P.S. Doyle, On the coarse-graining of polymers into bead-spring chains, J. Non-Newtonian Fluid Mech. 122 (2004)…”
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Journal Article Conference Proceeding -
11
Time-dependent simulations of non-axisymmetric patterns in Taylor–Couette flow of dilute polymer solutions
Published in Journal of non-Newtonian fluid mechanics (01-10-2006)“…Nonlinear dynamics that ensue after the inception of viscoelastic flow instabilities in homogeneous, curvilinear shear flows remain largely unexplored. In this…”
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12
Temperature increases caused by shear banding in as-cast and relaxed Zr-based bulk metallic glasses under compression
Published in Journal of materials research (01-11-2008)“…Using an infrared camera, the temperature evolution of as-cast and relaxed bulk metallic glasses during compression was measured. Substantial variations in the…”
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13
Modeling of injected pultrusion processes: A numerical approach
Published in Polymer composites (01-08-1998)“…Injected pultrusion (IP) is an attractive process for high volume, high performance, and low cost manufacture of continuous fiber reinforced polymer matrix…”
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14
Turbulent channel flow of dilute polymeric solutions: Drag reduction scaling and an eddy viscosity model
Published in Journal of non-Newtonian fluid mechanics (11-05-2006)Get full text
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15
Effect of inertia on thermoelastic flow instability
Published in Journal of non-Newtonian fluid mechanics (01-07-2004)“…Thermal effects induced by viscous heating cause thermoelastic flow instabilities in curvilinear shear flows of viscoelastic polymer solutions. These…”
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Journal Article Conference Proceeding -
16
Hydrodynamic stability of unidirectional shear flow of linear and branched polymeric melts
Published in Journal of non-Newtonian fluid mechanics (20-08-2004)“…In this study, the linear stability of homogeneous shear flow of polymer melts has been investigated by using a prototypical reptation-based model, namely, the…”
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17
The instability mechanism of single and multilayer Newtonian and viscoelastic flows down an inclined plane
Published in Rheologica acta (01-09-2001)“…The instability mechanism of single and multilayer flow of Newtonian and viscoelastic fluids down an inclined plane has been examined based on a rigorous…”
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18
3-D nonisothermal flow simulation model for injected pultrusion processes
Published in AIChE journal (01-01-1999)“…Injected pultrusion (IP) is an efficient process for high‐quality, low‐cost, high‐volume manufacturing of polymeric composites with relatively simple cross…”
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19
Energetic effects on the stability of viscoelastic Dean flow
Published in Journal of non-Newtonian fluid mechanics (25-12-2000)“…The influence of energetics on the linear stability of viscoelastic Dean flow of an Oldroyd-B liquid has been investigated. Our analyses show that when the…”
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20
An experimental/theoretical investigation of interfacial instabilities in superposed pressure-driven channel flow of Newtonian and well-characterized viscoelastic fluids: Part II. Nonlinear stability
Published in Journal of non-Newtonian fluid mechanics (01-06-2000)“…The interfacial stability of pressure driven channel flow consisting of a highly elastic Boger fluid superposed on as silicone oil is investigated…”
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