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CFD and numerical grid generation

Application of numerical grid generation for improved CFD analysis of multiphase screw machines

Application of numerical grid generation for improved CFD analysis of multiphase screw machines

... Algebraic grid generation is widely used for discretization of the working domain of twin screw ...Algebraic grid generation is fast and has good control over the placement of grid ...

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Application of numerical grid generation for improved CFD analysis of multiphase screw machines

Application of numerical grid generation for improved CFD analysis of multiphase screw machines

... Permanent repository link: http://openaccess.city.ac.uk/18566/ Link to published version: http://dx.doi.org/10.1088/1757-899X/232/1/012017 Copyright and reuse: City Research Online aims [r] ...

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Grid generation methodology and CFD simulations in sliding vane compressors and expanders

Grid generation methodology and CFD simulations in sliding vane compressors and expanders

... power generation based on an Organic Rankine Cycle architecture ...and numerical studies on a micro ORC sliding vane expander with circular stator and radial inlet and outlet ports [6] while Montenegro et ...

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WHITEPAPER: How to Choose an Effective Grid System for CFD Meshing

WHITEPAPER: How to Choose an Effective Grid System for CFD Meshing

... to numerical tolerancing issues within the CAD system requiring very substantial effort to clean up and condition this geometry representation so that the body-fitted meshing software can run ...mesh ...

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Deforming grid generation for numerical simulations of fluid dynamics in sliding vane rotary machines

Deforming grid generation for numerical simulations of fluid dynamics in sliding vane rotary machines

... 3D CFD tools in the analysis and design of rotary vane machines is the unavailability of methods for generation of a computational grid suitable for fast and reliable numerical ...analytical ...

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Deforming grid generation and CFD analysis of variable geometry screw compressors

Deforming grid generation and CFD analysis of variable geometry screw compressors

... 3 compression process, leakage flows, heat transfer, oil injection and other phenomena of interest for compressor design occur within that space. To achieve efficient compression the clearances between the rotors and ...

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Boundary adaptation in grid generation for CFD analysis of screw compressors

Boundary adaptation in grid generation for CFD analysis of screw compressors

... the numerical mesh that is difficult to measure but that influences the result ...the numerical mesh must have a sufficient number of points in the interior of the computational domain to describe the ...

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CFD grid generation and analysis of screw compressor with variable geometry rotors

CFD grid generation and analysis of screw compressor with variable geometry rotors

... The configuration of the compressor is as follows; Rack generated ‘N’ profile, Male rotor with 4 lobes and a 60mm outer diameter, Gate rotor with 5 lobes, L/D ratio 1.55 and centre distance 42mm. The wrap angle on the ...

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Application of CFD Simulation in the Development of a New Generation Heating Oven

Application of CFD Simulation in the Development of a New Generation Heating Oven

... The quality of polyhedral grid was checked [18] with Fluent before starting the numerical simulation. In addition to the above parameter skewness, the criterion of aspect ratio (a measure of the stretching ...

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Numerical CFD simulations on a small-scale ORC expander using a customized grid generation methodology

Numerical CFD simulations on a small-scale ORC expander using a customized grid generation methodology

... general grid generation methodology for sliding vane machines recently developed by the Authors [18] has been tested on a small scale ORC expander ...the numerical flow solution in the CFD ...

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Grid Generation and CFD Analysis of Variable Geometry Screw Machines

Grid Generation and CFD Analysis of Variable Geometry Screw Machines

... a numerical mesh capable of calculating 3D transient fluid flows within their working ...of grid generation currently used for deforming rotor domains have been developed for uniform rotor geometry ...

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Numerical CFD simulations on a small-scale ORC expander using a customized grid generation methodology

Numerical CFD simulations on a small-scale ORC expander using a customized grid generation methodology

... Permanent repository link: http://openaccess.city.ac.uk/18481/ Link to published version: http://dx.doi.org/10.1016/j.egypro.2017.09.199 Copyright and reuse: City Research Online aims to[r] ...

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Numerical Simulation of Civil Aircraft Fuselage Using CFD Technique

Numerical Simulation of Civil Aircraft Fuselage Using CFD Technique

... the numerical analysis the flow field around the fuselage was modelled using GAMBIT ...The CFD analysis of fuselage is done in two ...the CFD approach is given in the tabular form for fuselage and ...

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Coupling flight mechanics and CFD - numerical simulation of shipborne rotors

Coupling flight mechanics and CFD - numerical simulation of shipborne rotors

... that CFD does not always capture these effects and the improvements it offers may be more or less significant, depending on the flow ...the grid and the turbulence modelling may further improve the ...

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Effectiveness of Grid Orthogonality on Body Fitted Curvilinear Coordinate System in CFD

Effectiveness of Grid Orthogonality on Body Fitted Curvilinear Coordinate System in CFD

... on grid generation techniques proposed the versatile method of generation of BFC ...BFC grid by his method has the particular advantage that the coordinate lines can be generated to closely ...

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Study of Numerical Schemes for the CFD Simulation of Human Airways

Study of Numerical Schemes for the CFD Simulation of Human Airways

... sixth generation during inhalation phase (5 μm→ ...performed CFD modelling of human airway to improve the delivery of inhaled pharmaceutical drugs ...[4]. CFD analysis has been performed for steady ...

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Numerical Analysis of Three lobe Journal Bearing with CFD and FSI

Numerical Analysis of Three lobe Journal Bearing with CFD and FSI

... The present work is an application of numerical solution to the three-lobe bearing comprising of CFD and FSI methodology. It is observed that three-lobe bearing gives three pressure contours due to ...

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One dimensional adaptive grid generation

One dimensional adaptive grid generation

... FINITE DIFFERENCES AND TRUNCATION ERRORS Adaptive methods in literature usually use a curvilinear coordinate transformation to transform the physical domain into a computational domain w[r] ...

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Grid Voltage Synchronization for Distributed Generation Systems under Grid Fault Conditions

Grid Voltage Synchronization for Distributed Generation Systems under Grid Fault Conditions

... both generation systems are connected to the grid by means of power electronics- based power processors, that should not only control the power delivered to the network, but also contribute to the ...

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Grid Voltage Synchronization of Distributed Generation System under Grid Fault Condition

Grid Voltage Synchronization of Distributed Generation System under Grid Fault Condition

... actual grid code requirements for the grid connection of distributed generation systems, mainly wind and photovoltaic (PV) systems are becoming very ...distributed generation plants, have ...

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