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Browsing by Subject "CFD"

Browsing by Subject "CFD"

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  • 3D CFD Modeling Investigation of Potential Vortex Formation at the Intakes of Caruachi Powerhouse 
    Marcano, A.; Rojas-Solorzano, L.; Reyes, M. (INTERNATIONAL CONFERENCE ONHYDRAULICS OF DAMS AND RIVER STRUCTURES, TEHRAN, IRAN; 04/2004, 2004-04)
    In this paper, the 3-D CFD simulation of the free-surface flow approaching the intakes of Caruachi Powerhouse is presented. The aim of the investigation is to determine whether or not vortex structures are likely to ...
  • CFD modeling of slurry flows in horizontal pipes 
    Hernández, Franz H.; Blanco, Armando J.; Rojas-Solorzano, L. (Proceedings of FEDSM2008 8th Symposium on Applications in Computational Fluid Dynamics August 17-20, Jacksonville, FL, 2008-08-17)
    Liquid-solid two-phase flows are found in numerous operations in the chemical, petroleum, pharmaceutical and many other industries. In numerous cases, the mixture or slurry that flows is composed by a suspension of solid ...
  • CFD simulation of the dispersion of exhaust gases in a traffic-loaded street of Astana, Kazakhstan 
    Akhatova, A.; Kassymov, A.; Kazmaganbetova, M.; Rojas-Solórzano, L. (Journal of Urban and Environmental Engineering, 2015-10-31)
    The aim of this paper is to consider one of the most traffic-loaded regions of Astana city (Kazakhstan) and to determine the concentration of carbon-monoxide (CO) in the air during the peak hours. CFD analysis based on ...
  • Chapter 6 Energy and the Environment 
    Itskos, G.; Nikolopoulos, N.; Kourkoumpas, D.-S.; Koutsianos, A.; Violidakis, I.; Drosatos, P.; Grammelis, P. (Elsevier, 2016-01-01)
    Abstract This chapter summarizes the fundamentals of the main technologies implemented for power production worldwide, by also analyzing their overall environmental impact. A holistic approach on presenting the basics, ...
  • Design Optimization of an Oil-Air Catch Can Separation System 
    Abilgaziyev, Anuar; Nogerbek, Nurbol; Rojas-Solorzano, L. (Journal of Transportation Technologies, 2015-10-27)
    The Positive Crankcase Ventilation (PCV) system in a car engine is designed to lower the pressure in the crankcase, which otherwise could lead to oil leaks and seal damage. The rotation of crankshaft in the crankcase causes ...
  • Evaluation of Interphase Drag Models for the Determination of Gas Hold-Up of an Air-Water System in a Spouted Bed using CFD 
    Riera Ortiz, Jaime. A.; Zeppieri, Susana; Rojas-Solorzano, L.; Derjani-Bayeh, Sylvana (2011-04-14)
    Abstract: The hydrodynamics of a dispersed air-water system within a spouted column with a concentric draft tube and a conical base is simulated using CFD based on a two–fluid Euler–Euler (E-E) modeling framework and k-ε ...
  • FLUID STRUCTURE INTERACTION (FSI) ANALYSIS OF HORIZONTAL AXIS WIND TURBINES (HAWTS) 
    Kamalov, Bagdaulet (Nazarbayev University School of Engineering and Digital Sciences, 2021-08)
    Today, growth in renewable energy is increasing and wind energy is one of the key renewable energy sources which is helping to reduce carbon emissions and build a better sustainable world. Developed countries and worldwide ...
  • Numerical simulation of droplet formation in a microchannel device 
    Rojas-Solórzano, L.; Rodríguez Granado, Katherine V.; Anna, Shelley L.; Verma, Salman (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. ...
  • Numerical study of smoke propagation in a simulated fire in a wagon within a subway tunnel 
    Vittori, Felipe; Rojas-Solorzano, L.; Blanco, Armando J.; Urbina, Rafael (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 ...
  • Numerical study of turbulence models in the computation of blood flow in cannulas 
    Salazar, Felix A.; Rojas-Solorzano, L.; Antaki, James F. (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 ...
  • Two-dimensional numerical simulation of saltating particles using granular kinetic theory 
    Marval, Juan P.; Rojas-Solorzano, L. (Proceedings of FEDSM2007 2007 ASME/JSME Fluids Engineering Division Summer Meeting July 30-August 2, 2007, San Diego, California, USA, 2007-06-30)
    Most granular flows at environmental conditions are unsteady and exhibit a complex physical behavior. Dune formation and migration in the desert are controlled not only by the flow of saltating particles over the sand bed, ...
  • Verification and validation of computational fluid dynamics simulations of compound channel 
    Filonovich, M. S.; Azevedo, R.; Rojas-Solorzano, L.; Leal, J. B. (2010)
    In this study the verification and validation of a 2nd order turbulence closure model is performed for an experimental compound channel flow, where the velocity field was measured by a Laser Doppler Velocimeter. Detailed ...
  • Wind turbine optimization 
    Keleshibieke, Yesitai (Nazarbayev University School of Engineering and Digital Sciences, 2019-01)
    Facing the current extreme global environmental and energy crisis, wind energy, as a source of renewable energy, is becoming more and more crucial to the future development of human civilization. Wind energy technology ...