ENGINEERING RESEARCH PAPERS

CFD-Computational Fluid Dynamics 2016 IEEE PAPER




Towards a CFD Model for Prediction of Wind Turbine Power Losses due to Icing in Cold Climate
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Abstract Icing induced power losses is an important issue when operating wind turbines in cold climate. This paper presents a concept of modelling ice accretion on wind turbines using Computational Fluid Dynamics (CFD). The modelling concept works towards

COMPARISON OF CEREBRAL ANEURYSM FLOW FIELDS OBTAINED FROM CFDAND DSA
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Quantifying the flow dynamics in cerebral aneurysms is important to understand the mechanisms responsible for aneurysm progression and rupture and develop improved aneurysm risk assessment procedures (diagnosis) as well as for understanding and

OF GAS TURBINE BLADE'S COOLING RECTANGULAR CHANNEL WITH INTERNAL RIBS OF DIFFERENT RIB CROSS SECTIONS USING CFD.
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Abstract-The present study investigates the three dimensional CFD simulations to investigate heat transfer and fluid flow characteristics of artificially roughened rectangular channel using Ansys-CFX. Heat transfer characteristics of the rectangular channel are investigated for

Towards Simulation of Clogging Effects in Wastewater Pumps: Modelling of Fluid Forces on a Fiber of Bonded Particles using a Coupled CFD-DEM Approach
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Abstract Clogging in wastewater pumps is often caused by textile and other fibrous materials in the wastewater. As a step towards developing a methodology using the CFD-DEM approach for simulation of clogging effects, a fiber model consisting of a string of bonded

Integrated CFD-Surrogate Optimization to Enhance Efficiency of Turbine Designed for OTEC
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Abstract Ocean thermal energy conversion (OTEC) power plant is one of the renewable energy sources which utilizes the thermal gradient existing between deep sea water and surface layer water. In the present research work, flow inside a radial turbine was

A Computational Fluid Dynamics (CFD) Model of the Start-up Kinetics of the Andersen Cascade Impactor (ACI)
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Summary Background: The dynamics of flow through the Andersen Cascade Impactor (ACI) at start-up for the performance evaluation of dry powder inhalers (DPIs) are poorly understood. Recent studies by the European Pharmaceutical Aerosols Group (EPAG)

An Innovative CFD Tool to Solve the Euler Equations Within the Finite Volume ALE Framework Over Adaptive Grids
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Abstract Despite the dramatically progresses in numerical techniques and computer performances, the simulation of geometrically complex and three-dimensional moving-body problems still represents a challenge for the CFD community. Two main difficulties arise

CFD simulations of pressure drop and velocity field in a cyclone separator with central vortex stabilization rod
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ABSTRACT A problem of cyclone separators is the low grade efficiency of small particles. Therefore, a high efficiency cyclone separator has been developed and successfully tested in former work. In this cyclone separator, a vortex stabilizer is used to suppress the vortex

CFD Simulation of pMDI Aerosols in Confined Geometry of USP-IP using Predictive Spray Source
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Summary The pressurised metered dose inhaler (pMDI) is the most widely used drug delivery system for asthma treatment. Over decades the pharmaceutical community has aimed to enhance system efficiency by paying particular attention to novel formulation

Analysis of Comparison of Fluid Jet Impingement Heat Transfer on Flat Plate Using CFD
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Abstract A numerical simulation was performed to study the heat transfer performance of a hot fluid in a confined impinging jet on a flat heated surface. The tests were realized for the following ranges of the governing parameters: the jet thickness is 2m and the distance of

THE ARION UNSTRUCTURED GRIDS CFD SOLVER: THEORETICAL AND USER
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DESIGN ANALYSIS ON A DIESEL ENGINE BY IMPLEMENTING TANGENTIAL GROOVES ON PISTON FOR COMBUSTION IMPROVEMENT THROUGH CFD
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Abstract-The complete combustion appears to be most prominent way to improve the fuel efficiency and to decrease the emission from diesel engines. The present work deals with a new kind of piston modification. Tangential swirling grooves were made on flat surface

Validation of Seakeeping CFD Simulations in Head and Oblique Waves Using the Naval Hydro Pack
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FSB Validation of Seakeeping CFD Simulations in Head and Oblique Waves Using the Naval Hydro Pack Page 11. 11th OpenFOAM Workshop, Guimar˜aes, Portugal FSB Is Seakeeping with CFD feasible Feasibility estimate of head wave seakeeping study

Optical Fibres by using Digital Communication without Direct Current to DetectCFD
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Abstract-This paper describes a cable fault detection system (CFD) in Optical Fibres by using Digital communication technology without Direct Current A fault detection system is provided for detecting and locating faulty connections in a Optical cable system. First and

Human Heart Blood Flow Simulations Based on CFD
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Abstract: In this paper, the modeling and simulation of the blood flow in the real patient heart is described. In order to cure the patients with cardio vascular disorder it is important to make appropriate choice of an artificial heart valve, it is important to exactly understand the

CFD Prediction of Gas-Liquid Mass Transfer in A Large Scale Spin Filter Bioreactor
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Abstract In this work simulations were developed in order to allow the examinations of heterogeneities in the scale up of gas-liquid mass transfer in 10 and 1000 L spin filter bioreactors using CFD simulations (Computational Fluid Dynamics). The effects of

Wind direction field under the influence of topography: part II: CFD investigations
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Abstract. Though hilly topography influences both wind speeds and directions aloft, only the influence on wind speeds, ie the speed-up effect, has been thoroughly investigated. Due to the importance of a model showing the spatial variations of wind directions above hilly

Analysis of the fluid flow characteristics in subchannels of VVER-1000 reactor's fuel assemblies by CFD method
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Computational Fluid Dynamics (CFD) is a widely used method around the world for complex flow and heat industrial problems. In this paper, the fluid flow parameters were investigated in subchannels of VVER-1000 reactor's fuel assemblies by ANSYS CFX program.

Experimental and CFD studies on dehumidifier in a combined cooling and desalination plant
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Abstract Humidification-dehumidification (HDH) desalination is a simple technique to produce desalinated water from saline water. Dehumidifier is a key component in the HDH system which influences the desalination yield. In the current work, a three dimensional

The Study of an Air Intake the Throttle of the Engine by CFD in Spark Ignition Engine
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Abstract In the Spark Ignition Engine involve complex fluid dynamic interaction between airflow, fuel injection, and combustion. Airflow intake into the engine can be controlled by throttle body to increase the air-gasoline ratio. Throttle body plays a vital role in metering

Geometry optimization of a fibrous scaffold based on mathematical modelling and CFD simulation of a dynamic cell culture
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Abstract In tissue engineering, the development of a tissue essentially depends on supply of an adequate amount of nutrients and the design of a proper biophysical micro-environment for cells. The limitation of the available initial number of cells, expensive substances and

Introducing a new Client-Server framework for large CFD models
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Page 1. Introducing a new Client- Server framework for large CFD models Andrea Paroni Paolo Geremia Stefano Valeri Workshop "HPC enabling of OpenFOAM for CFD applications, Bologna, 6-8 April 2016 Page 2. Outline Introducing HELYX Motivation

CFD simulation of blood flow inside the corkscrew collaterals of the Buerger's disease
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Abstract Introduction: Buerger's disease is an occlusive arterial disease that occurs mainly in medium and small vessels. This disease is associated with Tobacco usage. The existence of corkscrew collateral is one of the established characteristics of the Buerger's disease.

CFD Analysis of a Shell and Tube Heat Exchanger Using Different Header Sections
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Abstract In present work CFD prediction is done for shell and tube heat exchanger for different header sections. Heat exchanger has a variety of applications in different industries and in this study one such heat exchanger is taken in to account. The heat exchanger is

CFD Based Heat Transfer analysis of various Wavy Fin-and-Tube Heat Exchanger
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Abstract The performance of fine-and-tube heat exchanger is enhanced by modifying fin shape to Wavy fin, fin angle and also material. The conventional resistance on air side is maximum up to 85% of total resistance. This resistance should be minimizing to enhance

Thermal-hydraulic analysis of a passive containment cooling system using dynamic liquid film model in CFD code GASFLOW-MPI
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ABSTRACT Falling water film modeling is crucial for the thermal hydraulic analysis of passive containment cooling system in advanced light water reactors. A dynamic liquid film model has been developed in the 3-D parallel CFD code GASFLOW-MPI to track the

Reliability Improvement in FCC Hot Gas Expander using CFD Modeling
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Abstract Hot gas expanders play important role in improving energy efficiency of Fluid catalytic cracking (FCC) by recovering pressure energy from flue gases. Hot gas expanders face several reliability challenges because of high speed and presence of fine particles in

Investigation on 3-D Wing of commercial Aeroplane with Aerofoil NACA 2415 Using CFD Fluent
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ABSTRACT: An aerofoil is a cross-section of wing that plays an important role in any aeroplane or aircraft for designing the wings because of wings, lift is generated that holds the aircraft in the air. The design of wing with desired aerodynamic characteristics are

CFD Approach for Calibration of Nozzle Meter
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Abstract: The analysis is carried out by using academic version of ANSYS 16 software. Computational fluid dynamics (CFD) approach has been used for the calibration of nozzle meter. Also very less work is done on the performance of nozzle meter with the change of

New insight on span selection for Chinese solar greenhouses using CFDanalyses
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Abstract Chinese solar greenhouses (CSG), with thin plastic films on the south roof for transmitting sun rays during the daytime and a heavy cover at night with large thermal masses in the wall, north roof and soil to retain heat, can be used to produce vegetables

Improving of gas-liquid mass transfer in a Stirred Tank Bioreactor: A CFDApproach
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Abstract In this study CFD simulations (Computational Fluid Dynamics) were developed in order to study the gas-liquid mass transfer in a 1000 L spin filter bioreactor configurated with a conventional Spin filter. Based on CFD results, three new geometries are proposed for

Optimization of tube length by CFD analysis for heat transfer of sugar cane juice in a circular pipe using passive heat transfer technique of twisted tape
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Abstract Many papers in the last decade shows passive methods are more efficient for both laminar as well as turbulent type of flow. The present paper is a study of sugar cane juice evaporation process under laminar flow using twisted tape inserts. Various parameters

Experimental Study of Horizontal Bubble Plume with CFD Benchmarking
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Abstract: In order to study the two-phase flow behaviors of a horizontal bubble plume in a tank, experimental tests along with computational fluid dynamics (CFD) simulations were carried out in this paper. An experimental facility was designed and constructed which

ANALYSIS OF SD OF 3D NOZZLE DESIGN IN CFD
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Abstract:The standard deviation of the three dimensional nozzle designs were compared to their respective 2D standard deviations to get the best design which produces more uniform mach number of the ideal gas that comes out. The standard deviation of the

Simulation And CFD Analysis of Various Combustion Chamber Geometry of A CI Engine Using CFX
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Abstract:-The geometry of the combustion chamber Is one of the factor Effecting the efficiences of CI Engine (Diesel Engine). There are various engines used for agriculture purpose out of those MINI-PETER Diesel engine is generally used in present days. In this

Association of Design and Simulation Intent in CAD/CFD Integration
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Abstract CFD (Computational Fluid Dynamics) requires strong expertise and extensive training to obtain accurate results. To improve the usability in the complex product development process, two new types of engineering features, fluid physics feature and

A Generic Gas Radiative Model Applicable to CFD Simulations of all Combustion Processes
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SYNOPSIS: This report is about the work done in developing and demonstrating the applicability of a generic gas radiative property model for all CFD simulations. A computationally Efficient Exponential Wide Band Model (E-EWBM) has been developed in

Analysis of Compressible Effect in the Flow Metering By Orifice Plate Using CFD
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ABSTRACT The orifice plate is a typical obstruction type of flow meter, widely used in industries for flow measurement. ISO-5167-1 and BS1042 standards provide the value of Discharge Coefficient for both standard Orifice Plate and Quarter Circle Orifice Plate. In

Inflow condition sensitivity in the CFD simulation of wind flow in the urban environment
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SUMMARY: Wind flow modeling in urban areas is influenced by many uncertainties, such as geometric detailing, inflow and boundary conditions, numerical approach (RANS, LES, and DNS) and turbulence model. This study aims to investigate how the different inflow

CFD modelling to simulate dust emissions from pneumatic seed drills
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target organisms has become a major environmental concern in recent years. Predicting the dispersion of this type of dust is challenging because dust particles are very irregular in size, shape, density,

A CFD Analysis of a Race Car Front Wing in Ground Effect
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Aerodynamics is one of the most important factors in racing sports. Open wheel race car series such as Formula 1 or IndyCar highly depend on the aerodynamics of their cars to improve race performance. A crucial part is the front wing which generates about a third of

Solving Inverse Heat Transfer Problems When Using CFD Modeling
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Abstract The chapter presents solving steady-state inverse heat transfer problems using Computational Fluid Dynamics (CFD) software. Two examples illustrate the applica-tion of the proposed method. As the first inverse problem determining the absorbed heat flux to

An Experimental and CFD Analysis of a Two-Phase Flow Air Induction Nozzle with Agricultural Application
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1Mechanical System Engineering, Chonbuk National University, 54896, Jeonju-si, Jeollabuk-do, Korea, Republic of 2Agricultural Engineering, Rural Development Administration, Farming Automation Division, 560-500310 Nongsaengmyeong-ro,

CFD Simulation of an Airfoil at different Angle of Attack
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ABSTRACT This research describes simulation of computational fluid dynamics (CFD) problems that occur in physical practices. The primary focus is on the simulation of the airflow around the airfoil. The fluid flow simulations are obtained with the FLUENT

CFD Benchmark Analysis for 2x2 Fuel Rod Bundle
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UNIVERSITY OF WISCONSIN-MADISON NUCLEAR ENGINEERING AND ENGINEERING PHYSICS CFD Benchmark Analysis for 2x2 Fuel Rod Bundle Kate Lyons and Mark Anderson models Goal to further develop CFD models and improve heat transfer prediction capability

Challenges of Turbocharging a Two-Cylinder Engine A Computational Analysis of a Turbocharger Turbine by Transient CFD Methods
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Abstract Drive train development is facing demands for reduced emissions and growing expectations for driving dynamics coupled with declining fuel consumption. Downsizing in combination with turbocharging is a key technology to ensure increased power density

CFD ANALYSIS FOR HOMOGENOUS EFFECT OF BIOGAS AND AIR IN THE INTAKE MANIFOLD OF DUAL FUEL CI ENGINE
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ABSTRACT In this laboratory research, biogas was produced by the anaerobic digestion of solid phase system using kitchen food solid waste. The biogas was carried out in a single cylinder diesel engine with supercharger under dual fuel mode. The experimental study

Study on a Comprehensive Energy-Saving Sail by CFD Method
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Abstract A comprehensive energy-saving sail (CES) has been proposed in order to promote energy saving and emission reduction from shipping. Wind energy is harvested for propulsion and electrical generator at the same time by a unique structure of CES. A CFD

A Kind of Microchannel Heat Sink Optimization for High Power Chips Based onCFD and Non-Silicon MEMS Technology
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Keywords: micro channel, heat sink, pin-fins, optimized Abstract. A kind of distributed array structure micro channel heat sink is studied in this paper. The fluid height and the ratio between fluid and channel are optimized by computational fluid dynamics (CFD) thermal-

AERODYNAMIC PERFORMANCE PREDICTION OF WIND TURBINE AIRFOIL THROUGH CFD
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ABSTRACT: Energy is considered as most vital instrument of socioeconomic development of a country. Unfortunately in our country enhancement in energy production is not as increased as its demand. Currently country is facing serious energy crises. This issue has

CFD Analysis of Mass Flow under Induced Non-Uniformity through Heat Exchanger
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Abstract: Heat exchanger is mainly associated with transfer heat from one fluid to another fluid either in direct contact with each other or separated by wall. The heat exchangers characteristics are concerned with the rate of heat transfer between the fluids with

A CFD study of Wind Tunnel Wall Interference
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Abstract Wall interference is one of the most crucial factors that creates inaccuracy for wind tunnel measurement which is an indispensable tool to predict the aerodynamic performance in automotive and aircraft industries. In recent years, there is an interest in reduction of

CFD Analysis of a Pipe Equipped with Twisted Tape
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In the petrochemical industry great attention is paid to the optimization of heat exchangers during the design phase, to minimize the overall dimensions of the equipment. When the heat exchange process is not very efficient, mechanical inserts are often used. They

The Analysis of the CFD about the Swirl Generation in Four-Stroke Engine
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Abstract In recent years, the car has entered every household, automobile brings convenience at the same time, the environment is also a great harm, so the most important thing now is to solve the automobile exhaust harmful to the environment, to solve the main

CFD Analysis of Centrifugal Pump's Impeller of Various Designs and Comparison of Numerical Results for Various Models
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Abstract The flow through the impeller of a Centrifugal pump is complicated and tedious. Computational Fluid Dynamics (CFD) simulation of a pump provides a complete picture of its operation, and allows identifying most profound design parameters. Many technical

Numerical Analysis for Optimizing Solar Updraft Tower Design Using Computational Fluid Dynamics (CFD)
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Abstract–This paper presents and explains the working principle of solar updraft tower system. It also describes the major components of the system. The system utilizes solar thermal technology by heating up the air below the solar collector through solar radiation,

A numerical CFD analysis on supply groove effects in high pressure, open end squeeze film dampers
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Abstract–In this paper, we address the supply groove depth and pressurization effects on the behavior of open end squeeze film dampers using numerical CFD approach. A steady state moving reference frame technique, rather than a full time transient one, is implemented in

Performance validation of a large scale helium turboexpander for cryogenic applications through CFD analysis
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The demand of low temperature for superconducting magnets used in high energy physics applications has necessitated the need for helium refrigeration and liquefaction cycles with improved efficiency. Any attempt of designing a plant with improved thermodynamic

Hydrodynamics of the Interceptor Analysis via both Ultra-Reduced Model Test and Dynamic CFD Simulation
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Abstract This work investigates the hydrodynamic effects of introducing interceptors on fast vessels. Interceptors are vertical flat blades installed at the bottom of the stern vessel. They cause changes in pressure magnitudes around the vessel bottom and especially at the

CFD Modeling of flow through S-Shaped Duct
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Abstract: This Paper investigates the flow inside an S-Shaped square Duct. In this paper, a computational fluid dynamics (CFD) model of fully developed turbulent flow (k-model) is implemented with the help of FLUENT software and the variation of pressure along the

Full scale validation of CFD model of self-propelled ship
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An important part of designing a ship is to estimate the performance of the ship and the necessary propulsive power at the design stage. Traditionally, the performance of a ship design is estimated by conducting towing tank tests on a downscaled version of the ship (model scale). The

CFD Based Reproduction of Amuay Refinery Accident 2012
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Amuay refinery accident 2012 is the recent follower of similar nature accidents happened in Buncefield, UK (2005), Jaipur, India and Puerto-Rico, USA (both in 2009), respectively. The failure of a mechanical part ie valve or piping led to the escape of a flammable dense-than

ADVANCED TOOL FOR FLUID DYNAMICS-CFD AND ITS APPLICATIONS IN AUTOMOTIVE, AERODYNAMICS AND MACHINE INDUSTRY
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ABSTRACT Today Automotive, Aerospace and Machine industry is striving for better Efficiency and Design. Advanced tools like Computation Fluid Dynamics (CFD) may be used for improving the fuel efficiency of these and hence controlling the atmospheric air

Aerodynamic Optimization of Centrifugal Fans Using CFD-Trained Meta-Models
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Abstract Cost-effective optimization of centrifugal fans requires quick and reliable methods to target function.target function is maximization of total-to-static efficiency for a given design point. In this work,target function

Three-Dimensional CFD Simulation of Fluid Flow inside a Vortex Tube on Basis of an Experimental Model-The Optimization of Vortex Chamber Radius
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ABSTRACT Vortex-chamber is a main part of vortex tube which the pressured gas is injected into this part tangentially. An appropriate design of vortex-chamber geometry leads to better efficiency and good vortex tube performance. In this study, the computational fluid

CFD Analysis of a Radial Turbine during Load Step Operation of an Automotive Turbocharger
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Abstract A method for evaluating the transient performance of a turbocharger are so called load step tests. In these test, the load of the engine is increased at constant engine speed and the time measured from the start to the end of the load step is measured. Usually

Perdigão CFD Grid Study
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Abstract: This report is part of the work performed by work package 3 deliverable M12 of the 'New European Wind Atlas' project (FP7-ERANET-2013). The purpose of the deliverable is to list the characteristics of the microscale models from all NEWA partners and document

Computational Fluid Dynamics (CFD) Modeling and Online Monitoring of Aerosol Jet Printing (AJP) Process
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Abstract: The objectives of this paper in the context of aerosol jet printing (AJP)–an additive manufacturing (AM) process–are to:(1) realize in situ online monitoring of print quality in terms of line/electronic trace morphology; and (2) explain the causal aerodynamic

CFD with OpenSource software
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Modeling the effects of solid walls on adjacent turbulent flows has long been and still is a major challenge. The problem is equally acute in one-point and two-point statistical closures, as it is in spectral modeling or large-eddy simulations (LES). Indeed, the

Development of scaling methods for broadband turbulent noise in internal flow devices by means of experiments and CFD
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Abstract Broadband turbulent noise can lead to fluid-acoustic and fluid-structure interaction and ultimately to mechanical failure of pipe systems. In HVAC (Heating Ventilating and Air Conditioning) systems broadband turbulent noise can radiate outwards where it is a

Validation of a CFD Non-Newtonian Eulerian-Eulerian Model for Predicting Wellbore Filter Cake Formation
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Abstract. During oil wellbore drilling processes, filter cake is formed on the sidewalls of the well hole due to filtration of drilling fluid particles. The filter cake is crucial to the drilling process, since it helps to maintain the wellbore hole, protects the drilling bit from jamming

CFD study of a pump trip in a pump-check valve system
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Abstract Pressure waves can be caused by eg valve operations, pump trips, pipe break and steam collapse. Therefore it is of interest to investigate the behavior of the centrifugal pump and swing check valve. In existing calculation tools, the system and components are

Integrated CFD Model for Nanoparticle Production in Inductively Coupled Plasma Reactors: Implementation and Application
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Abstract Nanoparticles represent a very exciting new area of research. Their small size, ranging from several nanometers to tens of nanometers, is responsible for many changes in the structural, thermal, electromagnetic, optical and mechanical properties in comparison

CFD Analysis of Air Release Valve (Ball Valve) for High Pressure Hydro Power Plants
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Abstract: Ball valve is a shut off valve, which is used for open/close application. Ball Valves, as the name implies, have a ball with a hole drilled through the centre swivel mounted within the Valve body. When the hole in the ball is orientated in the same directio n as the pipe,

MODELLING NOZZLE IN CFD–A NEW APPROACH
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Abstract:The nozzle design was modeled using commercial modeling software Catia V5. In catia software part design was selected and the coordinate points were given as inputs and the points were joined using lines, spline, etc. Finally all the 12 individual nozzle models

Wind tunnel and CFD study of wind conditions in an urban square
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Abstract Recognising the role of urban squares in city life, the paper focusses on wind conditions at squares, with the objective to understand the building-scale flow phenomena influencing the wind comfort of pedestrians and the dispersion of pollutants. Wind tunnel

CFD Modeling of Real Scale Slab Reheating Furnace
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ABSTRACT Understanding the complex transient flow and heat transfer characteristics inside the furnace is a precondition to optimize furnace operation while maintaining high standard steel products. In the industrial furnaces often hot spots have been observed

CFD Analysis on Ahmed Body and the suggested aerodynamic changes to the Ahmed Body
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Abstract Ahmed Body is a very standard simple bluff body which is basically a very simplified version of an automobile. The body is used many times to validate new CFD simulation software and to compare the accuracy of one software with another CFD

DEVELOPING OF COMPUTER PROGRAM USING CFD RESULTS FOR PREDICTING PROPAGATION OF HAZARDOUS GASES RELEASED THROUGH
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A physico-mathematical model allowing predictions of propagation of clouds of hazardous gases in the atmosphere appearing after gas releases through gas vent stacks is developed. Results of calculations carried out with the use of the developed model are compared

The CFD Analysis of Solar Parabolic Trough System with Reflectors
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Abstract This paper was concerned with an experimental study of parabolic trough collector designed and manufactured. A parabolic trough solar collector uses Mirror and Aluminum foil in the shape of a parabolic cylinder to reflect and concentrate sun radiations towards

CFD Simulation Study of De-Icing on a Pitot Tube
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Abstract Safety in the aviation industry has been of a serious concern with instrumentation playing one most crucial role. Proper functioning of the pitot tube is very essential in-flight operation. Considering all causes of the pitot malfunctioning, icing and blockage by

Forensic Fire Scene Analysis Using Computational Fluid Dynamics (CFD)
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Executive Summary Fire Dynamics Simulator (FDS) is a computational fluid dynamics program developed and maintained by the US National Institute of Standards and Technology (NIST). This project examined the use of FDS as a forensics tool to provide

CFD Pre-test Analysis of SIMECO-2 Experiment
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Abstract 3 Keywords .. 4.6 Simulation Results . 46 4.6.1 Final Solution

Reproducibility of Complex Turbulent Flow Using Commercially-Available CFDSoftware
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Abstract Choosing appropriate sites for wind turbines is extremely important in Japan because the spatial distribution of wind speed is highly complex over steep complex terrain, which is abundant in Japan. The author's research group has been developing an

CFD Simulation of Effect of Vortex Ring for Squid Jet Propulsion And Expeiments on a Bionic Jet Propulsor
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Abstract Using jet propulsion, squid can swim at high speed or at low speed with good maneuverability, which makes them quiet valuable to be studied for biomimetic purposes. Vortex rings usually occur in the highly-unsteady jet flow in squid, and they play quite

CFD modeling of annular flow for prediction of the liquid film behavior
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ABSTRACT Annular flow is the characteristic flow pattern at the upper part of Boiling Water Reactor (BWR) fuel assemblies. Consequently, at this part of the core, cooling occurs mainly due to the presence of a liquid film flowing on the fuel rods external surface. If the liquid

Coupled EMAG-CFD Model of Heat and Mass Transfer Processes Within an Induction Furnace Chamber With Cold Crucible
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Abstract The aim of this study is development of a validated coupled mathematical model of metal melting in induction furnace with a cold crucible. This technology allows for melting metals and alloys which have high melting temperature like titanium alloys. It also

CFD simulation of Coolant mixing in VVER-1000 RPV
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The VVER-1000 is a common type of the nuclear reactors in the world. Coolant mixing inside the nuclear reactor vessel plays an important role in nuclear safety analysis. Different Computational Fluid Dynamics (CFD) codes can be used to investigate in details the fluid

Procedure for CFD Analysis of a Triple Concentric Tube Heat Exchanger using ANSYS
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Abstract Present study will be about the procedure of CFD analysis of a triple concentric heat exchanger. Computational Fluid Dynamics is a growing phenomena in the field of design and heat transfer studies. CFD software, ANSYS Workbench is a one used in a

HOW CFD COULD HELP TO UNVEIL THE SECRETS OF EJECTORS
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Supersonic ejectors have become very popular for conversion cycles to recover waste-heat with low exergy content into a useful cooling power. This interest is mainly related to their inherent properties compared to other technologies including other three source systems

optimization of heat transfer coefficient of sthe using CFD
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Abstract-Computational Fluid Dynamics (CFD) can very useful to gain visualize the flow and temperature fields on the shell side can simplify the assessment of the weakness. In this present study, attempts were made to investigate the impacts of various mass flow rates

CFD Analysis of a Triple Concentric Tube Heat Exchanger having water flowing at three different temperatures
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Abstract The present study would include heat transfer CFD analysis for a concentric triple tube heat exchanger. Theoretical studies are carried out for numerical simulations and evaluation of heat transfer. The performance of Triple Concentric Tube Heat Exchanger is

CFD Analysis of Tri-sonic Wind Tunnel
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Abstract-The days of high speed aerodynamics and supersonic propulsion have entered into a new era. Availability of computational techniques has reduced the workload dependencies on other means of testing. Still without experimental data and some

Computational Material Analysis of Structural and Hemodynamic Model of Coronary Stent by CFD/FEA in Computer Aided Mechanical Engineering Approach
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Endovascular treatment with stenting is high medical risk, although the cardiovascular surgeons operate on the heart blood vessels to repair damage caused by stent thrombosis or coronary artery disease and may cause a heart attack or even death. Stent placement is

Hemodynamic Design Optimization of a Ventricular Cannula Applying Computational Fluid Dynamics (CFD)
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Nowadays, a Ventricular Assist Device (VAD) is a hope of clinic solution to patients with heart failure. This study presents the design of the trumpet mouth ventricular cannula (TMVC) connected to a pediatric VAD, optimized to reduce the conditions that generate

Optimization of the Propeller with ECO- Cap by CFD
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ABSTRACT It is considered that the propeller efficiency is improved by weakening propeller hub vortex. On that account, the behavior of the hub vortex which was generated behind general propeller caps was investigated by computational fluid dynamics analysis and a

CFD simulations of copper-ceria based microreactor for COPROX
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Abstract A CFD model of a copper-ceria based micro-reactor for the CO preferential oxidation reaction is developed. Simulations are performed by changing the thermal conductivity of the support and the oxygen inlet concentration. It is found that the value of

Coupling of BEM-CFD and coastal area models for assessment of tidal stream turbine impacts at regional scales
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Summary: Assessment of the hydrodynamic impacts of tidal stream turbine (TST) arrays relies on numerical simulation of the hydrodynamic regime in the area of interest and a method for turbine implementation. Increasing detail in the representation of the turbine

CFD MODELLING OF A GAMMA-TYPE STIRLING ENGINE
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CFD modelling can substantially contribute to the development of Stirling technology, since it sheds light into the transport mechanisms occurring inside the engine and thus help understanding the fundamental processes of the real cycle for further performance