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Showing 1 to 8 of 8 for “"pressure velocity coupling"”.
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Computational analysis of viscoelastic fluid dynamics with applications to heat exchangers
In this study, the computational analysis of a pressure driven viscoelastic fluid in a double pipe heat exchanger set-up is investigated. Non-Newtonian viscoelastic fluids in heat exchanger arrangements are encountered in various industrial applications such as power generation, refrigeration and …
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Modelling and computational analysis of heat-transfer in multi-geometry and multi-phase flow of Newtonian and non-Newtonian fluids in pipes and channels
… Conformation Reformulation (LCR) techniques. The pressure-velocity coupling is resolved via the Pressure Implicit with Splitting of Operator (PISO) approach. The results illustrate that the use of NFBN as the coolant fluid leads to enhanced cooling of the hot core-fluid as compared to using an …
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An Implicit Finite-Volume Depth-Integrated Model For Coastal Hydrodynamics And Multiple-Sized Sediment Transport
… wave-induced volume flux; wind, atmospheric pressure, wave, river, and tidal forcing; and Coriolis-Stokes force. The sediment transport model simulates nonequilibrium total-load transport, and includes flow and sediment transport lags, hiding and exposure, bed material sorting, bed slope …
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Unstructured mesh - finite volume algorithms for swirling, turbulent, reacting flows
… unstructured mesh the Cartesian components of velocity are solved under all circumstances. This leads to the requirement to adjust the discretisation of the momentum equations when there is significant flow curvature. The changes are presented in this study both when the position of the flow …
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Numerical Modelling of Breaking Waves under the Influence of Wind
… SIMPLE or PISO algorithms are utilized for the pressure-velocity coupling and a backward finite difference discretization is used for the time derivative. The air-water interface is modelled by the interface capturing method via a high resolution VOF (Volume of Fluid) scheme. The numerical model …
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Numerical methods for the unsteady incompressible Navier-Stokes equations and their application to the Direct Numerical Simulation of turbulent flows
Two new methods for the efficient parallel computation of the unsteady incompressible Navier-Stokes equations are presented. Such efficient methods are desired for large scale parallel computations of unsteady turbulent flows such as Direct Numerical Simulations (DNS). The performance of the new …
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Meshless Direct Numerical Simulation of Turbulent Incompressible Flows
A meshless direct pressure-velocity coupling procedure is presented to perform Direct Numerical Simulations (DNS) and Large Eddy Simulations (LES) of turbulent incompressible flows in regular and irregular geometries. The proposed method is a combination of several efficient techniques found in …
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Improvement to hydrocyclone used in separating particles from produced water in the oil and gas industry.
… time when compared to the LES model. A pressure-based solver with transient time was used for the simulations. The discretization was done using SIMPLE for the pressure velocity coupling, QUICK was used for all other discretization. The review of the turbulence model was done to evaluate …