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Analysis of Steady and Unsteady flow over a cylinder.

Steady State Simulation.       The geometry is created in DesignModeler and meshing is done with tri mesh and inflation layer around the cylinder wall. The total number of elements is 41638, which gives pretty fine mesh. Reynold's number maintained at 100, by giving velocity input 1 m/s, density 1 kg/m3…

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    Read more Projects by pritam gole (25)

    Adiabatic Flame Temperature calculation using Python and Cantera.

    Objective:

    Adiabatic flame temperature:       The temperature of the products in adiabatic combustion of fuel without applying for any shaft work is defined as the “Adiabatic Flame Temperature”.        In a combustion process, the heat produced during the exothermic chemical reaction…

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    25 Jun 2020 08:06 AM IST

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      Numerical Solution of 2D Heat equation using Matlab.

      Objective:

      The heat equation is a second order partial differential equation that describes how the distribution of some quantity (such as heat) evolves over time in a solid medium, as it spontaneously flows from places where it is higher towards places where it is lower. It is a special case of the diffusion equation. …

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      13 Jan 2020 02:54 PM IST

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        CFD analysis of 1D Linear equation using Matlab.

        Objective:

        The first step to computing the Navier-Stokes’ equation is a wave propagation equation in 1D. The 1 dimensional linear convection equation: `(del u)/(del t) + c (del u)/(del x) = 0` 'u' is a quantity that is transported at a constant velocity. The constant velocity makes the equation linear in nature contrary to…

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        19 Dec 2019 07:27 AM IST

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          Error analysis of different order of approximation Finite difference method using Matlab.

          Objective:

          Problem Statement: The comparative error analysis of different order of approximations for the function sin(x)/x^3 is presented below using Finite Difference Method.  The matlab is used to code and plot the results.     The error and slope analysis are presented for 20 values of dx. The range is mentioned…

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          30 Sep 2019 12:39 PM IST

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            Effect of number of moles of carbon on the stoichiometric co-efficient using Matlab.

            Objective:

            Problem Statement: Code to compare the effect of number of moles of carbon: clear all close all clc % Effect of number of moles of carbon on the stoichiometric co-efficient "ar". % Fuel - Alkane % Stoichiometric Combustion relation. % [(n*C)*((2*n+2)*H)] + ar[(2*O)*(3.76*2*N)] = a*(2*O)*C + b*(2*H)*O + % c*(2*N) n = 1:10;…

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            30 Sep 2019 12:30 PM IST

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              Taylor Table for fourth order accurate finite difference approximation using Matlab.

              Objective:

              Matlab Code to evaluate the second order derivative of the analytical function exp(x)*cos(x) by Central and Skewed Scheme.  Taylor's Table: Taylor's series expansion of functions about a fixed point provides a means for constructing finite-difference operator of any order. A simple and straight forward way to carry…

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              30 Sep 2019 12:22 PM IST

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                Simulation of Flow through a pipe in OpenFoam(Wedge BC).

                Objective:

                Comparative Analysis of Symmetry and wedge Boundary condition and its validation with Hagon-Poiseuille Equations.  The matlab code for all the above conditions remains the same except changing angle theta. The simulation is first performed with wedge boundary condition replacing symmetry boundary conditions. The simulation…

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                30 Sep 2019 12:12 PM IST

                • CFD
                • MATLAB
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                Simulation of Flow through a pipe in OpenFoam(Symmetry BC).

                Objective:

                For any pipe, calculation of velocity and pressure distribution is very important for designing any piping system. Flow inside the pipe could be laminar or turbulent. The principle parameter used to specify this flow regime is Reynold's number.                    …

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                30 Sep 2019 12:08 PM IST

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                BlockMesh drill down by OpenFoam.

                Objective:

                BlockMesh drill down by OpenFoam. The geometry dimesions provided above are critically followed, but mesh is slightly modified. In the y direction 3 blocks has been created in blockmeshDict and for each block 10 cells has been created. So, in total there are 30 cells created in the y direction. In the x direction for first…

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                30 Sep 2019 11:57 AM IST

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                One Dimensional Flame speed Analysis using Cantera.

                Objective:

                Flame Speed Analysis:- The flame is a self-sustaining propagation of a localized combustion zone at subsonic velocities. The flame occupies a small portion of the combustible mixture at any one time and it is propagating towards the unburned gases. The velocity at which reactants enter the flame will be the same as flame…

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                11 Aug 2019 01:24 PM IST

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                  Temperature Sensitivity analysis of GRI3.0 Mechanism using Python and Cantera.

                  Objective:

                  Objective: - In this assignment, we will be writing a Python/Cantera Code to find the 10 most sensitive reactions out of all the reactions in the GRI3.0 mechanism. The main parameters of this assignment are given below: - Write a code that takes all the reactions from the GRI mechanism and calculates 10 most sensitive…

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                  11 Aug 2019 01:32 AM IST

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                    Analysis of Auto-ignition temperature at different operating conditions using Cantera.

                    Objective:

                    Title:- Autoignition using Cantera Problem Statement:- Using the inbuilt reactor network code in Cantera, the following objectives to be attained. 1. Variation of Auto Ignition time of Methane with a constant temperature of 1250 K and pressure to be varied from 1 to 5 atm. 2. Variation of Auto Ignition time of Methane…

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                    02 Aug 2019 08:20 AM IST

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                      Multivariate Newton Rhapson Solver for ordinary differential equations.

                      Objective:

                      The equations given in the challenge to solve are:                         `dy_1/dt = -0.04*y_1 + 10^4*y_2*y_3`                         `dy_2/dt = 0.04*y_1 -10^4*y_2*y_3 - 3*10^7*y^2`      …

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                      29 Jul 2019 09:39 AM IST

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                        Study on stability of ordinary differential equation.

                        Objective:

                        Suppose we have an ordinary differential equation,                                 `dx /dt = f(x)` equillibria will be reached when, `dx/dt = 0` i.e `f(x) = 0` If `f(x_e) = 0`, then `x(t) = x_e` is a solution. The initial…

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                        27 Jul 2019 04:47 AM IST

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                          Analysis of Steady and Unsteady flow over a cylinder.

                          Objective:

                          Steady State Simulation.       The geometry is created in DesignModeler and meshing is done with tri mesh and inflation layer around the cylinder wall. The total number of elements is 41638, which gives pretty fine mesh. Reynold's number maintained at 100, by giving velocity input 1 m/s, density 1 kg/m3…

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                          25 Jul 2019 06:42 AM IST

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                            Mixing efficiency using Ansys Fluent.

                            Objective:

                            Three cases are presented here one by one and comparative observations are written in the end. For all the cases the number of mesh elements is kept almost the same and hot and cold temperature is taken as 25 0C and 10 0C resp. For all the cases hot inlet is maintained in x-direction and cold inlet in a y-direction. …

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                            25 Jul 2019 06:39 AM IST

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                              Effect of preheating on Combustion Efficiency using Cantera.

                              Objective:

                                        A recuperator is a heat exchanger in which energy from the exhaust of hot combustion products, i.e flue gases, is transferred to the inlet air for increasing its temperature. The effect of such preheating of air can be seen in improving combustion efficiency as well as Adiabatic Flame…

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                              25 Jul 2019 06:29 AM IST

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                                Compact Notation for solving PDE in a combustion Mechanism.

                                Objective:

                                Four reactions Given are: Compact Notation: j        Species                  i           Reactions 1        `CO`     …

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                                25 Jul 2019 06:09 AM IST

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                                  Multi-phase flow simulation of gearbox sloshing effect

                                  Objective:

                                  Gearbox Sloshing Effect          Sloshing refers to the movement of liquid which has a free surface inside the object or container(which is, typically, also undergoing motion). Sloshing dynamics or effect significantly alters the system dynamics. Like in a moving tank, sloshing is a violent resonant…

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                                  29 May 2019 02:48 PM IST

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                                    CFD analysis of Conjugate Heat Transfer on a graphics card

                                    Objective:

                                    CFD analysis of Conjugate Heat Transfer on a graphics card.              The conjugate heat transfer is the study when heat transfer is taking place from solid to fluid or vice versa. In this case, the heat transfer will take place from an electronics component to air through conduction…

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                                    12 May 2019 01:45 PM IST

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                                    Parametric study of the gate valve

                                    Objective:

                                              The parametric study allows the user to reduce the repeated task and saves time in defining the same physics which contain variations. Ansys workbench allows a user to set such variations as an input parameter and get the desired output as an output parameter. Such parameters can be set…

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                                    10 May 2019 10:06 AM IST

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                                    Analysis of Cyclone Separator using DPM

                                    Objective:

                                    Cyclone Separator:                 Cyclone separators are gas cleaning devices that utilize a centrifugal force created by a spinning gas stream to separate particulate matter from the gas. The difference in specific gravity allows centrifugal force to separate out the particulate…

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                                    09 May 2019 01:39 PM IST

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                                      Analysis of Rayleigh Taylor instability

                                      Objective:

                                       Rayleigh–Taylor instability:-                       Rayleigh–Taylor instability (RTI) occurs whenever fluids of different density are subjected to acceleration in a direction opposite that of the density gradient. It is a dynamic process whereby…

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                                      07 May 2019 07:38 AM IST

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                                      CHT analysis on an exhaust manifold

                                      Objective:

                                      The Conjugate Heat Transfer(CHT):-                     Heat transfer in solids and heat transfer in fluids are combined in the majority of applications. This is because fluids flow around solids or between solid walls and because solids are usually immersed in a fluid.…

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                                      01 May 2019 01:15 PM IST

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                                      Grid independent steady state analysis of Ahmed body

                                      Objective:

                                      Ahmed body and its importance:-          The Ahmed body is a benchmark model widely used in the automotive industry for validating the simulation codes or results.           The Ahmed body represents a simplified, ground vehicle geometry of a bluff body type. Its shape…

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                                      29 Apr 2019 07:20 PM IST

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