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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 152 for “"Ansys Fluent"”.
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Combined Convection of Packer Fluid Flow between Vertical Parallel Plates
… in production fluids. This paper utilizing ANSYS Fluent gives numerical solution for the combined convection problem of this packer fluid. Because of the geometry of the tubing-to-casing annulus, it is modeled as vertical and long parallel plates in ANSYS Fluent geometry part where the width …
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Development of a Self-Calibrating MEMS Pressure Sensor Using a Liquid-to-Vapor Phase Change
… increasing power demands. A combination of Ansys Fluent CFD modeling and benchtop experiments were used to guide the development of the two-phase, self-calibrating pressure sensor. A two-phase benchtop testing rig was built to demonstrate the anticipated effects of a liquid-to-vapor phase …
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CFD Simulations of an Air-Conditioned Radiological Materials Staging Room: Comparison Between COMSOL and ANSYS Codes
… of the packages using two CFD codes: ANSYS/Fluent finite volume and COMSOL finite element codes. The simulated facility contains 640 heat-generating 9975 packages, arranged in four rows and eight levels, equipped with a ventilation system and lighting. The outer walls of the facility …
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Distributed Generation Reformer and Fuel Cell System Modeling and Reformer Catalyst Layer Optimization
… and a two-dimensional diesel-fed steam reformer ANSYS Fluent model. The performance of the reformer and fuel cell system was compared to the performance of diesel generators in Canadian remote communities to illustrate the environmental and economic advantages that reformer and fuel cell systems …
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A Preliminary Study of Acoustic Prediction Technology Based on Detached Eddy Simulations for Supersonic Jets Impinging on Flat Plates
… tool is the commercially available CFD package ANSYS FLUENT. The supersonic jet studied is perfectly expanded with a Mach number of 1.5, and it impinges on a flat surface 4 nozzle throat diameters from the jet exit. All turbulence modeling is done using a hybrid RANS/LES technique known as …
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Gas-liquid simulation of an airlift bubble column reactor
… phase of water using the commercial software ANSYS FLUENT 15.0. The turbulence in the gas-liquid simulation is described by using the K-Epsilon model, RNG K-Epsilon model and K-Omega model. This process occurs under atmospheric pressure. The volume fraction of model is described the behavior …
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Modeling of Passive Chilled Beams for use in Efficient Control of Indoor-Air Environments
… also reviews the mesh making process in Gmsh. ANSYS Fluent was used throughout the entire research and this thesis describes the software and a careful description of the case study.
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Vliv rychlostního pole na tvorbu sloupcových vírů
… geometrii vírového generátoru v softwaru Ansys Fluent. Cílem této práce je prozkoumat možnou závislost chování sloupcových vírů na počtu vložených lopatek.
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Numerical Investigation of the Structural Integrity of Silicon Carbide and Copper Heat Sink
… are created and examined numerically using ANSYS Fluent and Structural simulations assuming a Silicon (Si) heater. The heat sink geometry considers a conventional rectangular straight microchannel (RSMC) heat sink with the Silicon heater resting atop the heat sink in every case. Microchannel …
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Low-Gravity Sloshing in Spherical Tanks: Experimental Investigation Toward Numerical and Analytical Modeling
… low gravity. A numerical setup is implemented in ANSYS Fluent and validated in microgravity for constant contact angles. The analytical model of the spherical pendulum is implemented in MATLAB, and the results for the center of mass displacement qualitatively match the numerical ones. Still, both …
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Verification, Validation and Application of Shear Stress Transport Transitional Model to a R/C Aircraft
… Menter-Langtry Transitional viscous model in ANSYS Fluent is applied to a number of 2D and 3D airfoils and wings operating within the transitional flow regime, to permit comparison to relevant experimental and numerical results for transition onset, extent, and overall aerodynamic performance. …
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Unsteady Viscous Cavity Flow Using Computational Fluid Dynamics
… steady and unsteady flows. The software package ANSYS FLUENT was used in the CFD simulations. This approach captures the appearance of separation bubbles and vortex formation inside the cavity. Steady state flows are also obtained from the unsteady simulations after convergence of the time …
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Optimalizace difuzoru vodní turbíny s využitím adjoint řešiče
… je založena na použití adjoint řešiče v programu ANSYS Fluent. Hlavním cílem bylo potlačení vírového copu v mimooptimálních režimech. Byla vytvořena metodika iterativní optimalizace pro adjungovaný řešič. Cílová funkce pro adjungovaný řešič byla zvolena s cílem minimalizovat moment hybnosti …
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Investigation of Grid Adaptation to Reduce Computational Efforts for a 2-D Hydrogen-Fueled Dual-Mode Scramjet
… flowpath is developed and evaluated using the ANSYS Fluent density-based flow solver with various computational grids. Results are obtained for fuel-off, fuel-on non-reacting, and fuel-on reacting cases at different equivalence ratios. A one-step global chemical kinetics hydrogen-air model is …
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Experimental and numerical studies of flows over forward facing steps in pressure gradients
… For the numerical analysis, turbulence models in ANSYS Fluent were used to study the reattachment length XL for blockage ratios from 5.8% to 29.5% and step inclination angles from 22.5˚ to 135˚. The experimental results show that XL increases with the increase in Reynolds number without APG, but …
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Numerical Simulations of Flow past a Triangular Airfoil and in a Sweeping Jet Actuator Using Different Turbulence Models
… are performed using the commercial CFD software ANSYS Fluent.</p> <p>The thesis consists of two parts. The first part of the thesis deals with the CFD simulations of a triangular airfoil in low-Reynolds-number compressible flow. This airfoil is one of the candidates for propeller blades on a …
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Numerical analysis of the thermal performance of vapour compression heat pump heat exchanger using Python and computational fluids dynamics (CFD)
… nonuniform airflow velocities calculated in Ansys Fluent. The geometrical parameters of the modelled heat exchanger are based on the literature values. The heat transfer rates, pressure losses, vapour quality and all refrigerant properties are calculated by discretizing each tube on each tube …
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Numerical Simulation on Dilute Phase Pneumatic Transport
… solid phase was done with the DPM formulation in ANSYS Fluent and turbulence was modelled with k-ω SST. It was found that simple geometric alterations to the bend geometry could reduce the pressure drop by half while larger changes such as the addition of a cyclone separator and removal of the …
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Aerosol Transmission of COVID-19 and other Airborne Diseases in office environments using Computational Fluid Dynamic Modeling and Machine Learning
… the user defined function (UDF) tool of ANSYS Fluent. It was shown that the resulting risk models were quick and effective at predicting high risk areas using spatial data or predicting regions of high risk over time. Future research will refine this method by creating higher fidelity ML …
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Development of a Simulation Model for Fluidized Bed Mild Gasifier
… mild gasifier using the commercial CFD solver ANSYS/FLUENT. Eulerain-Eulerian method is employed to calculate both the primary phase (air) and secondary phase (coal particles). The Navier-Stokes equations and seven species transport equations are solved with three heterogeneous (gas-solid), two …
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