External flow simulation over an Ahmed body.

Aim - To derive and write a program for in MATLAB for 4th order approximation for second order derivative by following methods- Central difference Skewed right sided difference Skewed left sided difference Objective - 1. To evaluate the second order derivative of the function  f(x)=exp⁡(x)cosx</math>">f(x)=exp(x)cosx ,…

Aim -  Using both the conservation and non-conservation forms of the governing equations, create a Matlab programme to simulate the isentropic flow through a quasi-1D subsonic-supersonic nozzle and answer the problems using MacCormack's method.   Objective - 1. Creating a Matlab programme to mimic the isentropic…

Aim - To solve 2D Transient Heat conduction Equation  Theory - For an unsteady state the 2-D heat conduction equation is represented as          ∂T∂t=α⋅(∂2T/∂x2+∂2T/∂y2) For a steady state condition, the heat conduction equation is represented as         (∂2T/∂x2+∂2T/∂y2)=0 Because these equations are partial differential…

1. battery Starter Ignition Coil Breaker Distributor Generator Horn Ammeter   2. Battery: Purpose: The battery serves as a storage device for electrical energy in a vehicle. Its primary purpose is to provide the initial power needed to start the engine and to supply electrical energy to various components when the…

Aim – Perform a combustion simulation on the combustor model using methane as fuel.   Objectives - Part 1: 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…

Aim - To perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.• 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 of the mass flow rate and flow…

Aim – To simulate the flow through a cyclone separator and showing the results for the different particle size and for the different velocities. we have to run the simulation for the six cases  1)set the velocity constant to 3 m/s and do simulation for the varying size of the particle. 2)set the particle size…

Aim – To perform Steady-State Conjugate Heat Transfer (CHT) Simulation on Graphics Card Objective – 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…

Aim – To Perform Conjugate Heat transfer (CHT) Simulation on Exhaust ports. Introduction – Conjugate Heat Transfer (CHT) analysis – By transferring thermal energy at their interfaces and transporting it by conduction within solids and furthermore via convection within fluid domains, conjugate heat transfer…

Aim – To Conduct Rayleigh Taylor CFD Simulation. Objectives – Explain different CFD models used for solving Rayleigh Taylor Instability problems Perform a Rayleigh Taylor instability analysis using the Volume of Fluid (VOF) multiphase model for air and water for two different mesh element sizes. Repeat the…

Aim- To perform external aerodynamic simulation over Ahmed-body   Objectives- To determine the aerodynamic forces on the Ahmed body i.e., Drag & Lift Force To Perform Grid Dependency Test   Theory – Ahmed-Body - The Ahmed body is a generic car body (a simple vehicle model). The airflow around the Ahmed…

Aim- To generate CFD Meshing for Tesla Cyber Truck Procedure – After opening the model we observe there are so many single cons are present. To clear this, we immediately select the whole geometry and use TOPO option for clean-up. BEFORE AFTER   In the geometry there are various parts which are not showing properly.…

Aim- To generate CFD meshing on the turbocharger Procedure- By observing the geometry carefully, we can see that there is so many glitches and geometry errors are present. So, the first task we have to do is the TOPO cleanup. By observing the gitched surfaces we can try delete the non-required sufaces by clicking on the…

Aim- To generate CFD mesh on BMW car model Procedure- After opening the model we observe there are so many single cons are present. To clear this, we immediately select the whole geometry and use TOPO option for clean-up. In the geometry there are various parts which are not showing properly. To solve this problem, we…

Aim- To generate surface wrap on Automotive Assembly Procedure – There are so many unwanted and unchecked surfaces are present in the geometry. So our first task is to delete this unwanted and unchecked surfaces. After deleting the unwanted faces and surfaces the geometry looks like this This completes geometry clean-up…

Aim- To set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 36oC and the cold inlet is at 19oC for the given geometries as per the problem statement given in the question.   Procedure- Case 1  Short mixing tee with a hot inlet velocity of 3m/s. Momentum ratio of 2,…

Aim- To Simulate the flow over a cylinder and explaining the phenomenon of Karman vortex street. PART-I Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100.  PART-II Calculate the coefficient of drag and lift over a cylinder by setting the Reynolds number to 10,100,1000,10000…

Aim- To provide surface meshing of pressure vessel of meshing size 1mm, 3mm, 5mm Procedure- The geometry was provided. But, the geometry has some defects that need to be corrected         For checking the defects in a given geometry we have to use checks command. In this check command we have to select…