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Now showing items 3481-3500 of 6074
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(The 6th International Conference on Nanomaterials and Advanced Energy Storage Systems. Institute of Batteries LLP, Nazarbayev University, and PI “National Laboratory Astana”., 2018-08-08)The presence of hard-to-remove water in the vacuum systems of research facilities or process lines is a problem in most cases. The ability of water to be easily absorbed and poorly desorbed by the surface of metal elements ...
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(21st International Symposium on Heavy Ion Inertial Fusion. Autonomous Organization of Education “Nazarbayev University”, 2016-07-18)Modeling of magnetic configurations in the vacuum chamber of the tokamak, including a null-field, taking into account eddy currents is actual for planning the initial phase of plasma production at tokamak – initiation ...
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NUMERICAL MODELING OF THERMAL FLOWS IN ENTRANCE CHANNELS FOR POLYMER EXTRUSION: A PARAMETRIC STUDY (Processes, 2020-10)Flow distribution channels in extrusion dies are typically designed to assure uniform fluid velocity, pressure and temperature in the outlets. To ensure this uniformity, it is desirable to have the fluid melt to reach a ...
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(Nazarbayev University, 2014)Most natural rivers have compound cross-section. Compound channel flow is characterized by complicated three-dimensional flow structures. These structures are called secondary flows and have been classified into two ...
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(Proceedings of FEDSM2006 2006 ASME Joint U.S. - European Fluids Engineering Summer Meeting July 17-20, Miami, FL, 2006-07-17)A Liquid-Liquid Cylindrical Cyclone separator (LLCC) is a device used in the petroleum industry to separate the oil-water mixture obtained from the well. The use of this device has not been widespread due to the lack of ...
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(School of Engineering and Digital Sciences, 2023)Global warming and rising environmental pollution have pushed scientists and engineers to develop new energy-harnessing methods. One promising solution is converting the kinetic and potential energy contained in water into ...
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(IAHR 24th Symposium on Hydraulic Machinery and Systems OCTOBER 27-31, FOZ DO IGUASSU, 2008-10-27)Draft tube flow fields are simulated with 3D unsteady Reynolds averaged Navier-Stokes equations.The purpose of this study is the modeling, simulation and characterization of a complex threedimensional unsteady flow inside ...
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(2013)The formation of droplets is a phenomenon with particular importance in the development of industrial emulsions. The quality of these compounds is associated with droplet size and stability over time. Anna et al. ...
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(Nazarbayev University School of Mining and Geosciences, 2020)
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Numerical simulation of slurry flows in heterogeneous and saltation regimes in horizontal pipelines (Nazarbayev University, 2014)In this work, the simulation of a two-phase liquid-particles flow is performed using an Eulerian- Eulerian model to predict the complex flow behavior where both particle concentration and particle velocity profile are ...
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(Proceeding of ETCE/OMAE2000 Joint Conference Energy for the New Millenium February 14-17, 2000, New Orleans, LA, 2000-02-14)The numerical simulation of the flow through a pilot valve used in the oil intermittent gas lift process is presented.The complexity of the non-isothermal compressible flow is modeled by the solution of the Navier-Stokes, ...
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(Conference: h International Congress of Numerical Methods in Engeering and Applied Science (CIMENICS 2000), At Puerto La Cruz, Venezuela, Volume: 5, 2000)A mathematical model and numerical simulation of the three-dimensional and transient metal arc-welding process is presented. The heat source is considered as spatially distributed following a centered Gaussian bell, while ...
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(ELSEVIER, 2019-09)Three-dimensional DEM simulations of triaxial compression tests of cemented sandstone samples have been performed at different values of confining pressure, initial density and bond strength. The results show that with ...
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(Eurasian Journal of Mathematical and Computer Applications, 2017-01-01)The article deals with an inverse problem of determining parameters of groundwater pollution sources. We test three ways to solve the problem on the simulated data for a simple case of contamination. We discover that, in ...
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(Proceedings of FEDSM2008 2008 ASME Fluids Engineering Conference August 10-14, 2008 Jacksonville, Florida USA, 2008-08-10)This work deals with the numerical (CFD) analysis of the smoke propagation during fires within closed environments. It is evaluated the capacity of the emergency ventilation system in controlling the smoke propagation and ...
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(Monthly Notices of the Royal Astronomical Society, 2022)We explore the dynamics of stellar discs in the close vicinity of a supermassive black hole (SMBH) by means of direct N-body simulations. We show that an isolated nuclear stellar disc exhibits anisotropic mass segregation ...
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(Proceedings of FEDSM2008 2008 ASME Fluids Engineering Conference August 10-14, 2008, Jacksonville, FL, USA, 2008-08-10)In recent years, CFD has become an increasingly used tool in the design of blood-based devices. However, the estimation of red blood cells damage (hemolysis) remains a very important challenge due to the complex rheology ...
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(Nazarbayev University, 2014)A project called NURA [1] which is a new linear accelerator (Linac) for Warm Dense Matter (WDM), High Energy Dense Plasma (HEDP) and Heavy Ion Fusion (HIF) is described. The NURA will be similar to the NDCX-II at Lawrence ...
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(Office of the Provost, 2016-05)
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(Office of the Provost, 2016-05-03)
Now showing items 3481-3500 of 6074
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