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Showing 1 to 20 of 52 for “"CFX"”.
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Numerical Simulation of a Liquid Jet Atomization and Break-Up Using ANSYS-CFX 12.0
… of the numerical model. The CFD code ANSYS-CFX 12.0 was used to carry out the steady state analysis at different time scales. A comparison between the atomization characteristics of a pressure jet atomizer and an air-blast atomizer is shown. By employing a Lagrangian particle tracking method …
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Molecular-Level Understanding of Electrochemical Reaction Mechanisms and Electrode Interphases in Metal-CFx Batteries
<p>The development of high-energy-density battery materials is crucial for applications spanning from electric vehicles to space exploration. Metal anode and conversion-type batteries provide higher specific energy compared to conventional intercalation-based systems. Among these, metal-carbon …
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Study of Forces and Dynamic Coefficients in Whirling and Eccentric Labyrinth Seals Using ANSYS-CFX
… fluid dynamics (CFD) program called ANSYS-CFX was used to predict the forces generated in a labyrinth seal whirling at specified speeds. The results were compared to data from VT-FAST, a bulk flow code, and TASCflow, another commercial CFD program. It was shown that there were discrepancies …
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Investigation of Scaling Effects for a Synthetic Jet Actuator Using High and Low Fidelity Analyses
… effects for synthetic jet actuators using Ansys-CFX and a Lumped Element Model (LEM). Synthetic jets or zero net mass-flux devices use a vibrating diaphragm to generate an oscillatory flow through a small orifice. A synthetic jet actuator can be used on MAVs as thrust generator or fixed on an …
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Výpočty zatížení stavebních konstrukcí větrem
… modelování proudění v CFD programech jako ANSYS CFX.
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Identification and regulation of genes involved in carbon dioxide fixation in Rhodobacter sphaeroides
… (prkA), a 37-kDa polypeptide (designed CFX A) with a putative regulatory role (cfxA), and Form I ribulose 1,5-bisphosphate carboxylase/oxygenase (rbcL,S).
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Characteristic studies on types of paint spray for automotive parts in small and medium industry
… the Computer Fluid Dynamics (CFD) software ANSYS CFX V.15. The simulated paint spray patterns of the conventional paint spray compared to the High Volume Low Pressure (HVLP), concurred with the findings from the experiments. At the end of this research, it concluded that HVLP has a more stable …
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Hydrodynamická separace sedimentu vodního toku
… proudění v hydrocyklonech pomocí programu CFX a odvodňovací technologie je simulována v programu CHEMCAD.
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A Hybrid Vortex Solution for Radial Equilibrium in Axial Compressors
… The axial velocity profile is exported from the CFX solver of the inlet diffuser. Using the Hybrid Vortex solution to the radial equilibrium equation, a redesign is conducted by altering the circumferential velocity distribution to adhere to the imported axial velocity distribution and the newly …
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Viability of Cross-Flow Fan for Vertical Take-Off and Landing Aircraft
… computational fluid dynamics software, ANSYS CFX, was used to perform a computational analysis of various housing designs until a suitable design was identified to construct for experimentation. Following the analytical phase, the conceptual housing was fabricated and paired with an …
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The Effect of Thermophilic Anaerobic Digestion on Ceftiofur and Antibiotic Resistant Gene Concentrations in Dairy Manure
… of antibiotic resistant genes, specifically cfx(A), mef(A), and tet(Q). There was statistically significant decrease in cumulative gas production due to the addition of Ceftiofur into the reactors, but no significant difference between treatments in waste stabilization in terms of percent …
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A computational analysis on an initial application of a Hemiwedge based sub-surface safety valve for use in ultra-deepwater oil wells and extreme high pressure, high temperature environments
… fluid dynamics (CFD) in the Ansys RTM CFX flow solver is used to study the flow properties of crude oil through the valve, while both AnsysRTM and SolidWorks RTM Simulation are used to perform stress and fatigue analyses and other solid mechanics studies. Analysis has shown this model …
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Numerical Investigations of Magnetohydrodynamic Hypersonic Flows
… and flow entering a scramjet inlet. ANSYS CFX is used to carry out calculations for steady flow at hypersonic speeds (Mach number > 5). The low magnetic Reynolds number (<<1) calculated based on the velocity and length scales in this problem justifies the quasistatic approximation, which …
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UNSTEADY PRESSURE MEASUREMENTS IN A SUPERSONIC INLET DURING UNSTART SIMULATIONS
… based on the experiment were developed in ANSYS CFX, and computational solutions were developed. The experimental measurements and the CFD solutions showed that increasing back pressure caused the shock train to move upstream toward the inlet lip. The CFD solution was able to replicate the …
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Passive micromixers for DNA analysis using CFD modelling
… dynamics (CFD) approach using ANSYS Fluent and CFX Software for different geometries designed. Different geometric configuration were proposed and used: bottleneck near the inlet and along the zig zag and curved shaped rectangular zig zag geometry. Mixing analysis is done by different conditions …
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Comparative Evaluation of Vorticity Transport Modeled Distortions and High-Fidelity ANSYS Solutions Using Modal Assurance Criterion
… comparison to similar data created through Ansys CFX simulation for three canonical swirl flow profiles: Bulk Swirl, Twin Swirl, and Quad Swirl. Modal decomposition through singular value decomposition (SVD) is performed on the resulting in-plane velocity profiles for both the ROM and …
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Heat transfer in silicon - experiments and simulation
… of heating of the wafer is based on ANSYS CFX software, a software tool that permits to solve fluid flow problems. The model considers heat conduction in silicon wafer, heat convection in air, and heat radiation. The influence of silicon wafer thickness and diameter on the wafer temperature …
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Investigation of the Effects of an Upstream Cavity on the Secondary Flow in Transonic Turbine Blade Passages with Endwall Contouring
… carried out using the commercial CFD code ANSYS CFX.
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Modelos numéricos acoplados a un código fluidodinámico para el análisis del riesgo de combustión de hidrógeno en contenciones
… en tiempos de cálculo razonables. El código CFX-4 es un código comercial, de fluididinámica computacional, que no ha sido desarrollado específicamente para estudios de seguridad de combustión de hidrógeno en contención. Por lo tanto, su utilización en este tipo de problemas necesita una …
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Aerodynamic comparison and validation of rans, K-ω, standard K-ɛ and URANS simulations of flat plate film-cooling
… The numerical investigations make used of ANSYS CFX ver. 14 and were carried out at Reynolds Number, Re = 7,000 based on the hole diameter at blowing ratio, BR = 0.5. The results of the RANS analyses show significant influence of the turbulent models on the predicted aerodynamics and thermal …
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