CFD-Computational fluid dynamics-2019
Computational fluid dynamics (CFD) is the numerical analysis of fluid flow, heat transfer, and related phenomena. CFD solvers contain a complex set of algorithms used for modeling and simulating the flow of fluids, gases, heat, and electric currents. Many technological advances in aeronautics, automobiles, and space would not be possible without CFD. Applications such as aerofoil design in aeronautics, drag simulation in automobile design, jet and thermal flow in engine design, and cooling airflow in an electronic product use the CDF methodology.
Integrated simulation of active noise cancellation using a computational fluid dynamics approach
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An attempt has been made in this paper to simulate active noise control (ANC) in a three dimensional space using computational fluid dynamics and pressure acoustics. We have considered a rectangular box, with primary and secondary sources at the two opposite sides
Cost and Weight Analysis of Automobile Mufflers using Computational Fluid Dynamics
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The muffler is a very important and an indispensable part of an automobile exhaust system. The primary function of a muffler is to reduce noise and vibrations of the exhaust emissions from the engine cylinder. The exhaust gases inside the engine cylinder are at a temperature
Aerodynamic Analysis on Double Wedge Airfoil at Different Mach Numbers with Varying Angle of Attacks Using Computational Fluid Dynamics
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The aerodynamic analysis primarily focusses on choosing airfoil shapes to obtain better physical performance. Various shapes of the airfoil are being studied to attain a better and safer flight with the highest possible performance. On them, double wedge airfoils have
Wind-blown particulate transport: A review of computational fluid dynamics models
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The transport of particulate by wind constitutes a relevant phenomenon in environmental sciences and civil engineering, because erosion, transport and deposition of particulate can cause serious problems to human infrastructures. From a mathematical point of view
Computational fluid dynamics of stented coronary bifurcations studied with a hybrid discretization method
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Nowadays provisional side branch (PSB) approach is the preferred coronary bifurcation stenting technique. It is usually concluded by the final kissing balloon (FKB) procedure which consists in the simultaneous expansion of two balloons in both the bifurcation
Analysis of Injection Pressure and High Ambient Density of Biodiesel Spray using Computational Fluid Dynamics
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Blended fuels have great potential for substitution with petroleum fuel for the purpose of emission control and fuel efficiency improvement. This research is to investigate the effect of high injection pressure and high ambient condition of biodiesel blends on spray
Computational fluid dynamics study of ventilation flow paths on longwall panel
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The main objective of researches is studying of ventilation flow path on longwall panel taking into account influence various geological and mining factors. The results of computational fluid dynamics study with use of three-dimensional models of longwall panel
A 3D computational fluid dynamics study of the locomotion of the larva of mosquito (Chironomus plumosus)
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The larvae of Chironomus plumosus have cylindrical bodies with a length about 14mm. When simulated, they can swim quickly at a speed of 2.2 body length per second in water. Experiments have shown that the body periodically bends into a circle (the head and tail
CT FFR for Ischemia-Specific CAD With a New Computational Fluid Dynamics Algorithm
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ABSTRACT OBJECTIVES The aim of this study was to validate the feasibility of a novel structural and computational fluid dynamics based fractional flow reserve (FFR) algorithm for coronary computed tomography angiography (CTA), using alternative boundary
Effect of membrane properties and operational parameters on systems for seawater desalination using computational fluid dynamics simulations
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abstract Computational fluid dynamic simulations were conducted to investigate the effects of the membrane properties and operational parameters on the system performance in three- dimensional direct contact membrane distillation modules. The membrane thickness
Computational Fluid Dynamics Analysis of Thermoelectric Generators Performance under Solar Photovoltaic-Thermal (PVT) System
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Solar radiation could be harnessed to produce thermal and electrical energy. The solar thermal radiation is very advantageous as it can be harnessed easily and at an affordable cost. Electrical energy could be produced from the solar radiation by photovoltaic process
Computational Fluid Dynamics Study of Shear Thinning Fluid (Drilling Fluid ) Viscosity Models in an Open Venturi Channel
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We aim to develop an improved kick/loss detection technology by developing smart flow- sensor technology for returned flow from the oil well in open Venturi channels. This is a detailed study about a capacity of use of non-Newtonian fluid models in open Venturi
High-Order Methods for Computational Fluid Dynamics Using Gaussian Processes
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Next generation computing hardware is expected to deliver large gainsin processing power with less memory resources being the limitingfactor in scalability. High-order methods, compared to low-ordermethods, achieve greater solution accuracy on the same grid
A State-of-the-Art Review on Computational Fluid Dynamics (CFD) Based Modeling of Fluidized Bed Gasifier
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Gasification process had proved to be a benchmark in the renewable energy production processes. There are variety of gasifiers working on different input conditions and various feed stocks. The modeling of these gasifiers has been a continuous effort by the researchers
Computational Fluid Dynamics Investigation of Air-Gas Pre Mixing Controller Mixer Designed for CNG-Diesel Dual-Fuel Engines
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CNG-air mixer is a device like carburetor that used to convert the diesel engine to dual fuel engine without more engine modifications. The main purpose of this mixer is to supply the engine by homogeneous CNG-air mixture simultaneously with suitable airfuel ratios (AFRs)
Application Of Computational Fluid Dynamics In Planning Of Extra-Intracranial Bypass Operation
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The prevalence of intracranial aneurysms in the general population is up to 3% . Aneurysm rupture is the most common cause of non-traumatic subarachnoid hemorrhages. Sometimes the only way to isolate an aneurysm from the normal circulation is to perform
Thermal Environment Analysis of a Scientific Laboratory using Computational Fluid Dynamics
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University staff and students typically spend most of their time indoors. This paper evaluates the thermal environment of an air-conditioned scientific laboratory in a tertiary educational institution in Malaysia using Computational Fluid Dynamics (CFD). This computational
FLOW COEFFICIENT PREDICTION OF A BOTTOM LOAD BALL VALVE USING COMPUTATIONAL FLUID DYNAMICS
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1.1 Problem Statement In automated processes where the quick and accurate distribution of fluid is desired, a valve which can linearly increase volumetric flow rate as a function of its position provides greater control over the quantity of fluid delivered. Most valves on the
Experimental prototype of silo-dryer-aerator of grains using Computational Fluid Dynamics (CFD) system
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The aim of this study was to size up and evaluate a fixed bed experimental silo-dryer-aerator with four static grain drying cells for segregation lots, through simulations with mathematical equations and a computational fluid dynamics (CFD) system. The average specific energy
CFD enables you to predict fluid flow, heat and mass transfer, and chemical reactions (explosions) and related phenomena. It is used in almost all industrial sectors: food processing, water treatment, marine engineering, automotive, aerodynamics, and gas turbine design. With the help of CFD software, fluid flow problems are analyzed faster than by testing, in more detail, at an earlier stage in the design cycle, for less money, and with lower risk.