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RISAssessment of common turbulence models under conditions of temporal acceleration in a pipe
In this paper, transient flow in a pipe at Reynolds numbers (based on bulk velocity and diameter) ranged from 7000 to 45200 is numerically simulated using four common turbulence models. The models considered are the ...
unsteady flow between two concentric rotating spheres along with uniform transpiration
In this study, the numerical solution of unsteady flow between two concentric rotating spheres with suction and blowing at their boundaries is presented. The spheres are rotating about a common axis of rotation while their angular velocities...
A computational study of unsteady flow around circular cylinder
In this paper the two-dimensional and unsteady laminar free stream flow across a circular cylinder in different Reynolds numbers has been investigated. The formations of vortex shedding behind the circular cylinder under ...
Similarity Solution for Unsteady Free Convection From a Vertical Plate at Constant Temperature to Power Law Fluids
The transformation group theoretic approach is applied to perform an analysis of
unsteady free convection flow over a vertical flat plate immersed in a power law fluid.
The thermal boundary layer induced ...
Investigation of Three-Dimensional Axisymmetric Unsteady Stagnation-Point Flow and Heat Transfer Impinging on an Accelerated Flat Plate
General formulation and solution of Navier-Stokes and energy equations are sought in the study of threedimensional axisymmetric unsteady stagnation-point flow and heat transfer impinging on a flat plate when the plate is ...
Unsteady natural gas flow within pipeline network, an analytical approach
The natural gas pipeline network (including distribution network) may be subjected to some extreme conditions such as pipeline rapture, sudden changed demand and etc. The behavior of natural gas pipeline network should be ...
Development of an unsteady model for flow through coarse heterogeneous porous
A one-dimensional numerical model, ROCKFLOW, has been developed to analyze unsteady non-linear flow through coarse porous media. The model is particularly applicable to flow through valley fills and rock drains resulting ...
Investigation of Two-Dimensional Unsteady Stagnation-Point Flow and Heat Transfer Impinging on an Accelerated Flat Plate
General formulation and solution of Navier-Stokes and energy equations are sought in the study of two-dimensional unsteady stagnation-point flow and heat transfer impinging on a flat plate when the plate is moving with ...
Analytical modeling of nonlinear vibrations in a 2-DOF airfoil device based on an unsteady flow model
The objective of this paper is to provide an analytical framework based on Wagner’s unsteady flow model, to study the nonlinear dynamic of pitch and plunge DOFs in airfoils. To this end, the nonlinear equations of motion of an airfoil section model...