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Simulation of sloshing of Fluids inside Gear box using Ansys Fluent

Abstract: The following report discusses in detail the phenomenon of sloshing of fluids inside a gear box. Complete modelling of the  problem from geometry preparation, to meshing, multiphase modelling is set up. The effects of two fluids , engine oil and n-heptane liquid is studied on 20% and 30% of the volume. …

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Read more Projects by Sayan Chatterjee (34)

Week 8 - Simulation of a backward facing step in OpenFOAM

Objective:

Objective: To simulate an incompressible-laminar-viscous flow through the backward facing step geometry. To perform a transient simulation. The solver can be chosen based on the described physics of the flow. To explain the entire simulation procedure (how you set up the case). Procedure: To choose the solve To Set up…

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14 Mar 2024 12:12 PM IST

  • CFD
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Week 11- Broadband Noise modelling over Ahmed body

Objective:

Introduction: The Ahmed body is a geometric shape proposed by Ahmed and ram in 1984. The shape provides a model to study geometric effect on wakes of ground vehicles.  The Ahmed Body was first created by S.R. Ahmed in his research “Some Salient Features of the Time-Averaged Ground Vehicle Wake” in 1984.…

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16 Aug 2021 06:54 PM IST

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    Week 8- Moving zones approach in Fluent

    Objective:

    There are two types of motion encountered in fluid flow, they are rectilinear and rotary. There are two approaches to model rotary motion: Moving reference frame  Moving mesh appraoch. Moving refernce frame: A Moving Reference Frame (MRF) is a relatively simple, robust, and efficient steady-state, Computational fluid…

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    22 Jul 2021 07:43 PM IST

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      Week 5 - Turbulence modelling challenge

      Objective:

      Turbulence : Introduction: Turbulence is an irregular motion which in general makes its appearwnce in fluids, gases or liquids, when they flow past solid surfaces or even when neighbouring streams of same flow past or over one another. Turbulent fluid motion is an irregular condition of flow in which various quantities…

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      20 Jul 2021 09:30 PM IST

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        Week 3 - Pitot tube

        Objective:

        Pitot static tube: The pitot static tube consists of two concentric tubes. The central tube with open end pointing upstream of the fluid flow and the other closed at the end but with small holes drilled at right angles to the direction of the flow. The central tube pressure is equal to the static pressure and the dynamic…

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        09 Jul 2021 09:08 PM IST

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        Week 2 - Converging diverging nozzle

        Objective:

        Objectives: To simulate the flow inside a converging diverging nozzle. To plot the pressure, temperature and density variation inside the nozzle To plot the variation of Mach number inside the nozzle , and find out at what distance the the flow becomes supesonic. Introduction: A de Laval nozzle (or convergent-divergent…

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        01 Jul 2021 06:34 PM IST

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        Week 12 - Validation studies of Symmetry BC vs Wedge BC in OpenFOAM vs Analytical H.P equation

        Objective:

        Introduction: This report is in continuation of the last project, flow through an pipe. In this case study, symmetry boundary condition is used for front and back faces.The  wedge angles used in the case study are 10 degree, 25 degree and 45 degree. Boundary conditions: The boundary conditions used for all the three…

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        26 Jun 2021 09:13 AM IST

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        Week 10: Modeling and Simulation of flow around an Ahmed Body

        Objective:

        Objective: To simulate flow around an Ahmed body. Creating the CAD model using any CAD package Setup a Coarse CFD simulation  Setup the virtual wind tunnel as shown in the video Apply the right boundary conditions and solver settings  Use a coarse mesh to demonstrate that your setup runs successfully . You need…

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        21 Jun 2021 09:10 PM IST

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        Week 11 - Simulation of Flow through a pipe in OpenFoam

        Objective:

        Objective: Simulation of flow through a pipe Finding out the velocity, pressure and shear stress profile for a fully developed flow To validate the results with analytical values To create a wedge of wedge angle not less than 5 degrees , and simulate the flow through it. Hagen poiseuilles flow: The Hagen poiseuilles flow…

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        17 Jun 2021 02:00 PM IST

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        Week 9 - Mini project - Flow over an Airfoil

        Objective:

        Objective:  To set up a simu;ation over a NACA 2412 aerofoil and to find out the following Drag co-efficient Vs Angle of Attack Lift co-efficient vs Angle of Attack Compare the effect of turbulence models on the above two results. Make sure that the inlet Reynolds number is 200,000  calculations for the following…

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        09 Jun 2021 12:24 PM IST

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          Week 7: Shock tube simulation project

          Objective:

          Abstract: A shock tube simulation is set up. Transient state analysis is carried out. Concepts like region of events, Adaptive mesh refinement is carried out. The Pressure distribution across the domain is stuidied along with other parameters like temperature and velocity. key words: Shock tube, Converge studio, CFD ,…

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          27 May 2021 07:56 AM IST

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          Week 6: Conjugate Heat Transfer Simulation

          Objective:

          Objective: Setting up a flow simulation through a pipe Inlet Reynolds number should be 7,000  Turbulence modelling - K-Epsilon To study the effect of supercycling   Introduction: Conjugate heat transfer is when heat transfer occurs simultaneously within and between fluid and solid regions.  The predominant…

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          21 May 2021 08:56 PM IST

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          Week 4.2: Project Transient simulation of flow over a throttle body

          Objective:

          Abstract: The following report analyses the the transient flow over a throttle body . The velocity and pressure variation with different opening of the throttle body is found out from the simulation. Proper rotation to the throttle body is provided with respect to time . key words: Throttle body,transient , CFD, Converge…

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          19 May 2021 06:47 AM IST

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          Week 5: Prandtl Meyer Shock problem

          Objective:

          ABSTRACT: The following report is a comprehensive description of the phenomnon of expansion fan and the prandtl-meyer function. A CFD simulation is performed for a inlet velocity of 680 m/s over a deflection .  The generation of the shock waves is visualized.  Key words- Prandtl_meyer function, Expansion fan,…

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          14 May 2021 01:58 PM IST

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          Week 4.1: Project Steady state simulation of flow over a throttle body

          Objective:

            Objective: Steady state simulation of flow over a throttle body. Introduction: A throttle is a mechanism by which flow is managed by constrction. Examples of throttling process are flow through a partially openned valve, flow through a very small opening or a flow through a porous plug. Characteristics of throttling…

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          05 May 2021 09:41 PM IST

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          Week 1: Channel flow simulation using CONVERGE CFD

          Objective:

          Objective: Channel flow simulation.  Velocity and pressure contours for all the 3 base mesh size Show mesh (i.e surface with edges) for the 3 base mesh sizes Plots for velocity, pressure,mass flow rate and total cell count for all 3 base mesh sizes. Introduction: Channel flow is an internal flow in which the confining…

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          20 Apr 2021 08:42 PM IST

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          Week 3: Flow over a backward facing step

          Objective:

          Objective: To study the flow over a backward facing step using three different grid sizes. Geometry: The stl file is imported into the converge studio. The geometry clean up and boundary flagging is performed. The normals orientation is checked such that they are direcyed toward the direction of the flow. Case set-up:…

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          17 Apr 2021 10:04 AM IST

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            Week 6 - CHT Analysis on a Graphics card

            Objective:

            Abstract: The simulation of a graphics card is performed. Potential hotspot regions are found out. Maximum temperature reached is studied. A CHT study is performed.  Key words: Graphics card, Conjugate heat transfer , ANSYS fluent Introduction: Computational fluid dynamics  and more specifically conjugate…

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            27 Mar 2021 06:28 PM IST

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            Week 10 - Simulating Combustion of Natural Gas.

            Objective:

            Introduction: There are two possible types of combustion simulation:  1) Based on mixing  2)Based on phase  The first catagory, based on mixing is is of three types: 1) Non premixed combustion ( Direct injection,Late injection) 2) Premixed combustion (Carburetion) 3)Partially premixed  The second catagoru…

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            20 Mar 2021 07:18 PM IST

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            Week 9 - Parametric study on Gate valve.

            Objective:

                                                                                                       …

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            19 Mar 2021 09:57 AM IST

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            Week 5 - Rayleigh Taylor Instability

            Objective:

            Abstract: The aim of this tudy is simulate a two dimensional Rayleigh taylor imstability problem using Ansys Fluent. Two fluids of two different density are taken for the study. The simulation animation is examined. Different mesh sizes are studied and the ffect of that mesh size on the results are also studied. …

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            06 Mar 2021 08:58 PM IST

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            Simulation of sloshing of Fluids inside Gear box using Ansys Fluent

            Objective:

            Abstract: The following report discusses in detail the phenomenon of sloshing of fluids inside a gear box. Complete modelling of the  problem from geometry preparation, to meshing, multiphase modelling is set up. The effects of two fluids , engine oil and n-heptane liquid is studied on 20% and 30% of the volume. …

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            06 Mar 2021 05:09 PM IST

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            Week 8 - Simulating Cyclone separator with Discrete Phase Modelling

            Objective:

            Abstract: A CFD analysis of a cyclone separator is performed. The separation efficiency is found out. Firstly the diameter of the particles is varied. Then the velocity at the inlet is varied with particles of constant diameter.The Physics of the problem is set up in Ansys Fluent. The Post -processing of the results obtained…

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            21 Feb 2021 08:21 PM IST

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            Week 4 - CHT Analysis on Exhaust port

            Objective:

            Abstract: The following study is a conjugate heat transfer  analysis of an exhaust manifold and in turn calculating or predicting the wall heat transfer coefficient. The temperature, velocity distribution plots are shown . Two cases are analysedmwith different mesh sizes.  key words : CFD, exhaust manifold ,…

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            18 Feb 2021 07:57 PM IST

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            Ahmed Body Challenge

            Objective:

            Abstract: The project deals with the simulation of flow aroundan Ahmed body. Mesh refinement is done to calculate the drag and lift coefficients accurately. Contours of velocity and pressure are produed at certain planes along the Ahmed body. Grid independence test is performed. The negative pressure created along the…

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            02 Feb 2021 06:52 PM IST

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            Steady Vs Unsteady flow over a cylinder

            Objective:

            Abstract: Flow past a cylinder is studied. the diameter of the cylinder is 2 meters. For Reynolds number 100, both steady and transient state simulation is carried out. Vortex shedding phenomenon is visualized. The relationship between vortex shedding and strouhal number is studied. Steady state analysis is carried out…

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            26 Jan 2021 10:38 PM IST

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            Week 7 - Simulation of a 1D Super-sonic nozzle flow simulation using Macormack Method

            Objective:

            Introduction: This project deals with the quasi-one-dimensional flow through a convergent divergent nozzle.The isentropic flow through the nozzle is being simulated. The term subsonic-supersonic implies that the flow enters the convergent section of the nozzle ,from the reservoir with mach number less than one and leaves…

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            24 Dec 2020 02:06 PM IST

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              Week 5 - Mid term project - Solving the steady and unsteady 2D heat conduction problem

              Objective:

              TITLE : Solving the steady and unsteady two dimensional heat conduction problem. THEORY: The generalised heat conduction equation equation with or without heat generation: `(del^2T)/(delx^2)+(del^2T)/(dely^2)+(del^2T)/(delz^2)+q/k=1/alpha*(delT)/(delt)` ---(1) where, T denotes temperature. q denotes the heat generation…

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              30 Nov 2020 05:34 PM IST

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                Week 3 - Taylor table method and Matlab code

                Objective:

                AIM : Taylors table method THEORY: The taylors series  for a function is written as : `f(x+deltax) = f(x) + delf/delx*deltax + del^2f/delx^2*(deltax^2/2) + ....`----(1)  the above equation is only valid if : if the number of terms is infinite and the series converges `deltax` tends to zero.  If u(i,j) is…

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                03 Nov 2020 08:46 PM IST

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                Week 6 - Data analysis

                Objective:

                AIM:  File parsing THEORY AND EXPLANATION : File parsingis very important to find specific information from the data set. It involves opening the file , reading it and extract various data from it . COMPATIBILTY CHECK : to see whether the file we are working with is compatible or ot, we use the try and except command…

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                10 Oct 2020 10:32 PM IST

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                  Week 4 - Genetic Algorithm

                  Objective:

                  AIM :  To optimize a stalagmite function and to find the global maxima using genetic algorithm . THEORY: Genetic algorithm: Genetic algorithm is based on the mechanics of natural selection and natural genetics.It is based on the survival of the fittest theory.It simulates the process of evolution. It was developed…

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                  08 Oct 2020 08:13 PM IST

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                    Week 3 - Solving second order ODEs

                    Objective:

                    AIM : To write a program that solves second order differntial equation and to animate the motion of a simple pendulum based on the second order differential equation. THEORY : The second order differntial equation is as follows ; d^2(theta)/dt^2 + (b/m)dtheta/dt + (g/l)sin(theta) = 0 -----------------------------------------(1)…

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                    26 Sep 2020 06:53 PM IST

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                      Simulation of forward kinematics of a 2R Robotic arm in matlab

                      Objective:

                      AIM:  Simulation of forward Kinematics of a 2R robotic arm   THEORY : A robotic arm is a type of mechanical arm, usually programmable with similar functions to a human arm; the arm may be the sum total of the mechanism or may be part of a more complex robot The links of such a manipulator are connected…

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                      18 Sep 2020 07:58 AM IST

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                        Week 5 - Curve fitting

                        Objective:

                        AIM :  To perform curve fitting  THEORY : Curve fitting is the way we model or represent a data spread by assigning a best fit  function (curve) along the entire range. Ideally, it will capture the trend in the data and allow us to make predictions of how the data series will behave in the future. There…

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                        15 Sep 2020 08:53 PM IST

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