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Week 6 - CHT Analysis on a Graphics card

Aim: Steady-state conjugate heat transfer analysis on a model of a graphics card Objectives: Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the processor. Prove that the simulation…

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    Read more Projects by Faizan Akhtar (34)

    Week-4 : Basic Calibration of Single cylinder CI-Engine

    Objective:

    Aim: Basic Calibration of Single cylinder CI-Engine Objective :  Explore Tutorial No 1- CI final 1.Compare SI vs CI and list down differences (assignment no 2-SI) 2. Comments on the following parameters BSFC Exhaust Temperature A/F ratios 3.Change MFB 50 and observe impact on performance Introduction Difference…

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    11 Nov 2021 05:26 AM IST

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      Week 2 : Basic Calibration of Single cylinder SI-Engine

      Objective:

       Aim: Basic Calibration of Single-cylinder SI-Engine Objective:  1. Run the case at 1800 rpm and list down important parameters (20 Marks) air flow rate BMEP BSFC In-cylinder pressure 2. Increase the power output at 3600 rpm by 10% (30 Marks) Introduction A spark-ignition engine (SI engine) is…

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      22 Oct 2021 07:11 AM IST

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        Week 1 : Exploring the GUI of GT-POWER

        Objective:

         Aim: Exploring the GUI of GT-suite GT-suite can be used in a wide range of applications. There are several industries that are using GT-suite for various applications On-highway and off-highway vehicle Marine and rail Industrial machinery Aerospace Power generation Multiphysics platform GT-Suite has a versatile multiphysics…

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        12 Oct 2021 02:52 PM IST

        • CFD
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        Week 8: Literature review - RANS derivation and analysis

        Objective:

        Aim: Literature review - RANS derivation and analysis Objective:  Apply Reynolds decomposition to the NS equations and come up with the expression for Reynolds stress. Explain your understanding of the terms Reynolds stress What is turbulent viscosity? How is it different from molecular viscosity? Introduction…

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        01 Sep 2021 07:52 AM IST

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          FINAL TEST

          Objective:

          Questions based on PFI Engine: Q1. What is the Compression ratio for the engine? The compression ratio is the ratio between the volume of the cylinder and combustion chamber in an internal combustion engine at their maximum and minimum values.  The compression ratio can be calculated with the help of the below graph…

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          29 Aug 2021 08:22 AM IST

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            Week 11: Project 2 - Emission characterization on a CAT3410 engine

            Objective:

            Aim: Project 2 - Emission characterization on a CAT3410 engine Objective Your job is to run simulations with both these pistons and characterize the emissions (Soot, Nox, and UHC) Create cut-plan animations showing Soot, Nox, and UHC and compare them between the omega and the open-w pistons.  Upload animations…

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            27 Aug 2021 06:10 AM IST

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            Week 10: Project 1 - FULL HYDRO case set up (PFI)

            Objective:

            Aim: Project 1 - FULL HYDRO case set up (PFI) Objective: 1. What is the compression ratio of this engine? 2. Why do we need a wall heat transfer model? Why can't we predict the wall temperature from the CFD simulation? 3. Calculate the combustion efficiency of this engine 4. Use the engine performance calculator,…

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            18 Aug 2021 03:19 AM IST

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

            Objective:

            Aim: Transient simulation of flow over a throttle body Objective :  Setup and run transient state simulation for flow over a throttle body. Post-process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate, and total…

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            10 Aug 2021 04:24 AM IST

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            Week 9: Project 1 - Surface preparation and Boundary Flagging (PFI)

            Objective:

            Aim: Surface preparation and Boundary Flagging (PFI) Objective: The task to be performed are as follows 1 Boundary Flagging. 2 Surface preparation. After setting up the NO HYDRO case set up, make sure you create an animation for NO HYDRO and send it to us on Freshdesk (support@skill-lync.com) Make sure you are submitting…

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            07 Aug 2021 06:00 AM IST

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            Week 7: Shock tube simulation project

            Objective:

            Aim: Shock tube simulation project Objective:  Setup a transient shock tube simulation Plot the pressure and temperature history in the entire domain - Explain the result Plot the cell count as a function of time - Explain the result It is expected to show the mesh generation using ParaView. Also, create animation…

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            26 Jul 2021 04:25 PM IST

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            Week 6: Conjugate Heat Transfer Simulation

            Objective:

            Aim: Conjugate Heat Transfer Simulation Objective: Grid dependence test Start with an initial base grid Run grid dependence test on 3 grids and show that the outlet temperature converges to a particular value Effect of supercycle stage interval Set supercycle stage interval to 0.01,0.02 and 0.03 For these three values,…

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            23 Jul 2021 07:56 AM IST

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            Week 5: Prandtl Meyer Shock problem

            Objective:

            Aim: Prandtl Meyer Shock problem Objective:  1. Shock flow boundary conditions Do a literature search on what BC's are typically used for shock flow problems 2. What is a shock wave? In your own words, describe the physics behind shock waves 3. Effect of SGS parameter on shock location In the Prandtl Meyer shock…

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            16 Jul 2021 11:22 AM IST

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            Steady and Transient analysis of flow past a cylinder.

            Objective:

            Aim: To simulate the flow over a cylinder and understanding the phenomenon of Karman vortex street.    Objective: The objective of the project is to simulate ANSYS-FLUENT to accomplish the following goals  Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100. …

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            01 Jul 2021 12:39 PM IST

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

            Objective:

            Aim: Steady-state simulation of flow over a throttle body Objective:  Set up and run the steady-state simulation for flow over the throttle body. Post-process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate, and…

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            29 Jun 2021 06:11 PM IST

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            Week 3: Flow over a backward facing step

            Objective:

            Aim:  Flow over a backward-facing step Objective: The simulation is run for the three different mesh size Contents to be shown in the report: 1. Show the mesh (i.e surface with edges) for all the 3 base mesh sizes 2.Show pressure and velocity contours 3. Show the plots of velocity, pressure, mass flow rate, and…

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            22 Jun 2021 09:14 AM IST

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            Week 1: Channel flow simulation using CONVERGE CFD

            Objective:

            Aim: Channel flow simulation using CONVERGE CFD Objective:  The simulation is executed for the three different mesh sizes, and the results are compared for each of them.     Contents to be shown in the report: 1. Velocity and pressure contours for all the 3 base mesh sizes 2. Show mesh (i.e surface…

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            15 Jun 2021 10:08 AM IST

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            Week 10 - Simulating Combustion of Natural Gas.

            Objective:

            Aim: Simulating Combustion of Natural Gas. Objective:  Part I Perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species in the simulation using line probes at different locations of the combustor as shown in Fig. You need to plot for CO2, H2O,…

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            07 Jun 2021 04:50 PM IST

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            Week 9 - Parametric study on Gate valve.

            Objective:

            Aim: To perform a parametric study on Gate Valve using steady-state simulation by raising the disc of the valve from `10%` to `70%` Objective:  Obtain the mass flow rates at the outlet for each design point. Calculate the flow coefficient and flow factor for each opening and plot the graph. Discuss the results…

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            01 Jun 2021 04:53 PM IST

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            Week 8 - Simulating Cyclone separator with Discrete Phase Modelling

            Objective:

            Aim:- To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.   Objective:- To write a few words about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator model by varying the particle…

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            25 May 2021 05:25 PM IST

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            Week 6 - CHT Analysis on a Graphics card

            Objective:

            Aim: Steady-state conjugate heat transfer analysis on a model of a graphics card Objectives: Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the processor. Prove that the simulation…

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            14 May 2021 07:15 PM IST

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              Week 5 - Rayleigh Taylor Instability

              Objective:

              Aim: To perform transient state simulation using a laminar viscous and VOF Multiphase model in ANSYS-FLUENT to understand the Rayleigh Taylor instability phenomena and its different stages of development. Objectives: The following objectives are accomplished at the end of this literature, What are some practical CFD models…

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              11 May 2021 04:44 PM IST

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              CHT Analysis on Exhaust port

              Objective:

              Aim: Steady-state CHT analysis on Exhaust port at an inlet velocity of `5``frac{m}{sec}` Objective: The objectives will mainly focus on Give a brief description of why and where a CHT analysis is used. Maintain the y+ value according to the turbulence model and justify the results.  Calculate the wall/surface…

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              05 May 2021 07:26 AM IST

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              External flow simulation over an Ahmed body.

              Objective:

              Aim: External flow simulation over an Ahmed body. Objective: The objective of this project is to determine the aerodynamic forces on the Ahmed body such as drag and lift coefficient and to perform the grid independence test. The expected results will include 1. Velocity and pressure contours.  2. The drag coefficient…

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              30 Apr 2021 04:50 PM IST

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              Comparing the effectiveness of mixing tee for different momentum ratio.

              Objective:

              Aim: To set up steady-state simulations to compare the mixing effectiveness when the hot inlet temperature is 360C & the Cold inlet temperature is at 190C.  Abstract: The steady-state simulation will be set up for the two cases by choosing the suitable turbulence model.    Case 1  Short mixing tee…

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              19 Apr 2021 05:15 PM IST

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              NUMERICAL SOLUTIONS OF QUASI-ONE-DIMENSIONAL NOZZLE FLOWS USING MACCORMACK METHOD

              Objective:

              Aim: To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle using MacCormack's technique. Abstract: The flow is steady, isentropic, through a convergent-divergent nozzle as shown in the figure below. The flow at the inlet of the nozzle comes from the reservoir where the pressure and temperature…

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              04 Apr 2021 06:54 PM IST

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

              Objective:

               Aim: Validation studies of Symmetry BC vs Wedge BC in OpenFOAM vs Analytical HP equation Abstract: The simulation of flow through a pipe in OpenFOAM is the case of the internal flow. The flow is governed by the Hagen-Poiseuille equation.  The assumptions in the Hagen-Poiseuille equation are as under The flow…

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              30 Mar 2021 04:03 PM IST

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              VALIDATION STUDIES OF SYMMETRY BOUNDARY CONDITION VS WEDGE BOUNDARY CONDITION VS ANALYTICAL HP EQUATION

              Objective:

               Aim: Validation studies of Symmetry BC vs Wedge BC in OpenFOAM vs Analytical HP equation Abstract: The simulation of flow through a pipe in OpenFOAM is the case of the internal flow. The flow is governed by the Hagen-Poiseuille equation.  The assumptions in the Hagen-Poiseuille equation are as under The flow…

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              30 Mar 2021 03:54 PM IST

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              SIMULATION OF FLOW THROUGH A PIPE IN OPENFOAM

              Objective:

              Aim: Simulation of flow through a pipe in OpenFOAM Abstract The flow through a pipe is the case of internal flow. The surface is the duct in the case of air, it is a pipe in the case of water. The flow is driven because of the pressure difference created by the pumps, air handling units, fans, etc. They find their major…

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              27 Mar 2021 08:59 AM IST

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              SOLVING 1-D STEADY STATE HEAT CONDUCTION EQUATION USING FINITE VOLUME METHOD

              Objective:

              Finite volume method The Finite Volume Method (FVM) is a method of representing and evaluating partial differential equations in the form of algebraic equations. In the finite volume method volume integrals in partial differential equations that contain a divergence term are converted to surface integrals using the divergence…

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              19 Mar 2021 04:25 AM IST

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                Simulation of a flow over the backward-facing step in OpenFOAM

                Objective:

                Aim: Simulation of a flow over the backward-facing step in OpenFOAM Abstract: Backward facing step (known as BFS) is widely known for its application on turbulence in internal flows. The flow separation is caused due to the sudden changes in geometry which will be evident as the blockmesh file creates the geometry.…

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                15 Mar 2021 06:57 AM IST

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                UNDERSTANDING THE STABILITY ANALYSIS IN LINEAR SYSTEM THROUGH ITERATIVE METHODS

                Objective:

                Aim: To understand the stability of the linear system using iterative techniques Abstract In the above case,  eigenvalues of [3 x 3] matrix are calculated by using iterative methods. The inbuilt command will not be used in this case. Governing equation: Let us consider a general [] 3 X 3 matrix which is of the form…

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                25 Feb 2021 06:51 PM IST

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                Comparing the convergence rate (number of iterations) and transient (explicit and implicit) and justify the numerics involved.

                Objective:

                Aim: To compare the convergence rate (number of iterations) and transient (explicit and implicit) and justify the numerics involved. Abstract Equation of two-dimensional heat conduction equation is  `frac{delT}{delt}=alpha**(frac{del^2T}{delx^2}+frac{del^2T}{dely^2})` where `alpha`is the thermal diffusion coefficient.…

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                22 Feb 2021 07:15 AM IST

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                  Week 5.1 - Mid term project - Solving the steady and unsteady 2D heat conduction problem

                  Objective:

                  Solution Equation of two-dimensional heat conduction equation is `frac{delT}{delt}=alpha**(frac{del^2T}{delx^2}+frac{del^2T}{delx^2})` where `alpha` is thermal diffusion coefficient. The equation is best described as a transient state two-dimensional heat conduction equation whereas if the time rate of change of temperature…

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                  17 Feb 2021 12:27 PM IST

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                    Deriving 4th order approximation of a 2nd order derivative using Taylor Table method

                    Objective:

                    Aim: Deriving 4th order approximation of a 2nd order derivative using Taylor Table method Governing equations Central difference scheme(Symmetric scheme) Number of nodes in central schemes= p+q-1(p=order of derivative,q=order of approximation)                      …

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                    16 Feb 2021 01:46 PM IST

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