COMPUTING FOURTH ORDER APPROXIMATIONS OF SECOND ORDER DERIVATIVES USING SYMMETRIC & SKEWED STENCILS IN MATLAB

LITERATURE REVIEW - REYNOLDS AVERAGED NAVIER-STOKES (RANS) EQUATIONS DERIVATION AND ANALYSIS   I. OBJECTIVES 1. Understanding the challenges of simulating turbulent flow and the need for turbulence models. 2. Derivation of RANS equations by the application of Reynolds decomposition on the time-averaged Navier-Stokes…

SIMULATION OF AIR-FLOW THROUGH PIPE USING CONJUGATE HEAT TRANSFER ANALYSIS AND SUPER-CYCLING MODEL   I. OBJECTIVES 1. Simulate the flow of air through a pipe using conjugate heat transfer analysis and super-cycling model. 2. Perform a grid dependence test. 3. Analyse the effects of variation of super-cycle stage interval…

SIMULATION OF SHOCK WAVES IN A SHOCK TUBE USING CONVERGE   I. OBJECTIVES 1. Simulate the propagation of a shock wave through a shock tube. 2. Plot the pressure and temperature history in the entire domain. Also plot the cell count as a function of time.   II. INTRODUCTION Shock Tube A shock tube is a device that…

LITERATURE REVIEW ON SHOCK FLOWS AND SIMULATION OF PRANDTL MEYER EXPANSION FAN OVER AN EXPANSION CORNER   OBJECTIVES 1. Perform a literature review on shock flows and associated boundary conditions. 2. Analyse the effects of Prandtl Meyer expansion fan on the flow properties by simulating the supersonic flow of a…

SIMULATION OF THE COMBUSTION PROCESS USING REDUCED GRI 3.0 MECHANISMS   I. OBJECTIVES 1. Calculate the sensitivity of all the GRI 3.0 mechanisms with respect to temperature for all the input state value combinations. 2. Starting from a fixed minimum number of reactions, add the most sensitive reaction mechanisms individually…

TRANSIENT SIMULATION OF FLOW OVER A THROTTLE BODY USING CONVERGE STUDIO   I. OBJECTIVES 1. Simulate the flow of a fluid over a throttle body using a transient solver. 2. Plot and analyze the velocity and pressure contours. 3. Plots and analyze the velocity, pressure, mass flow rate and total cells count.   II.…

STEADY STATE SIMULATION OF FLOW OVER A THROTTLE BODY USING CONVERGE STUDIO   I. OBJECTIVES 1. Simulate the flow of a fluid over a throttle body using a steady-state solver. 2. Plot and analyze the velocity and pressure contours. 3. Plots and analyze the velocity, pressure, mass flow rate and total cells count.  …

SIMULATION OF FLOW OVER A BACKWARD FACING STEP USING CONVERGE CFD   I. OBJECTIVES 1. Simulate the flow of a fluid over a backward facing step. 2. Run the case setup for three different base mesh sizes. 3. Plot and analyze the velocity and pressure contours. 4. Plots and analyze the velocity, pressure, mass flow rate…

1-D FLAME SPEED ANALYSIS FOR THE COMBUSTION OF METHANE AND HYDROGEN USING PYTHON AND CANTERA   I. OBJECTIVES 1. Write a code to perform a 1-D Flame Speed Analysis for the combustion of Methane and Hydrogen. 2. Plot and analyze the variations of temperature and velocity along the length of the domain. 3. Plot and analyze…

ANALYSIS OF VORTEX SHEDDING BY SIMULATING THE FLUID FLOW OVER A CYLINDER   I. OBJECTIVES 1. Simulate the flow of a fluid over a cylinder using both the Steady & Transient solvers in Ansys Fluent. 2. Observe the flow parameters & contours at a point located at a distance of 4 times the diameter from the center…

SENSITIVITY ANALYSIS IN THE STOICHIOMETRIC COMBUSTION OF METHANE WITH RESPECT TO TEMPERATURE   I. OBJECTIVES 1. Write a code to calculate the 10 most temperature sensitive reactions in the GRI-Mech 3.0 mechanism file. 2. Plot the variation of temperature and mole fraction of different species with respect to time.…

STUDY OF AUTO-IGNITION TIME OF METHANE USING CANTERA   I. OBJECTIVES 1. Simulate the combustion of methane and calculate its Auto-Ignition time using a reactor network code. 2. Study the variation of Auto-Ignition time of methane at constant temperature and varying pressure. 3. Study the variation of Auto-Ignition…

SOLVING STIFF ODE SYSTEM BY USING IMPLICIT EULER METHOD AND A MULTIVARIATE NEWTON RAPHSON SOLVER   I. OBJECTIVES 1. Write a code in Python to solve a system of stiff ODEs using the Implicit Euler Method (Backward Differencing Scheme) and the multivariate Newton Raphson solver. 2. Test the stability and accuracy of…

REACTION RATES FOR A MULTISTEP MECHANISM   I. OBJECTIVES Derive the reaction rates for the given multistep mechanism using compact notations and compare the results with the ones derived manually.   II. REACTION MECHANISM In this project, we will be considering the following four mechanisms -  `CO + O_2…

HANDLING COMBUSTION MIXTURES WITH CANTERA   I. OBJECTIVES: Write the code to calculate the properties of Air - Fuel Mixture by varying the properties of air and fuel individually.   II. ASSUMPTIONS: 1. The reactants are at STP conditions. 2. The combustion takes place in a constant pressure chamber. 3. The mixture…

THE EVALUATION OF THE ADIABATIC FLAME TEMPERATURE USING PYTHON AND CANTERA   I. OBJECTIVES 1. Write a program to analyze the effect of equivalence ratio on the final adiabatic temperature of methane contained in a constant volume chamber. Also, compare the results with those obtained using Cantera. 2. Write a program…

EFFECT OF PREHEATING OF AIR USING A RECUPERATOR IN THE COMBUSTION OF METHANE   I. OBJECTIVES 1. Write a program to observe the effect of preheating of air on the adiabatic flame temperature in the combustion of methane. 2. Write a program to observe the effect of preheating of air on the combustion efficiency in the…

ADVANCED CFD MESHING BY GENERATING A SURFACE WRAP ON A POWERTRAIN USING ANSA   I. OBJECTIVES 1. Generate a Surface wrap around all the models. 2. Merge the Engine, Transmission And Gearbox to generate a single surface wrapped Powertrain model having a common volume.   II. INTRODUCTION The surface wrap is the…

COMPUTING FOURTH ORDER APPROXIMATIONS OF SECOND ORDER DERIVATIVES USING SYMMETRIC & SKEWED STENCILS IN MATLAB   I. OBJECTIVES 1. Derivation of the 4th order approximation of the second order derivative using -  Central Differencing Scheme Skewed Right - Sided Differencing Scheme Skewed Left - Sided Differencing…

ADVANCED CFD MESHING OF A CAR HOOD USING ANSA   I. OBJECTIVES 1. Cleaning of the given model to get rid of all the geometry errors. 2. Manual extraction of the mid-surface after measuring the thickness of the model. 3. Accurate Hemming of the Outer and Inner Hood. 4. Meshing the mid-surface according to the given…

SIMULATION OF QUASI 1-D SUBSONIC - SUPERSONIC NOZZLE FLOW USING MACCORMACK'S TECHNIQUE   I. OBJECTIVES 1. Solve the 1D subsonic - supersonic nozzle flow equations using the MacCormack's Method. 2. Implementing the Exact, Non - conservative & Conservative solvers. 3. Making a comparison between the Non - Conservative…

SIMULATION AND ANALYSIS OF LAMINAR FLOW THROUGH A PIPE USING OPENFOAM AND MATLAB   I. OBJECTIVES 1. Write a program in MATLAB that can automatically generate the computational mesh for any wedge angle and grading schemes. 2. Generate the blockMeshDict file for two tpes of boundary conditions - Wedge Type & Symmetry…

SIMULATION OF LAMINAR FLOW OVER A BACKWARD FACING STEP   I. INTRODUCTION In this project, we shall simulate a laminar flow over a backward facing step. The geometry is generated by modifying the Lid - Driven Cavity tutorial in OpenFOAM. The inputs & boundary conditions are specified & the appropriate graded…

ADVANCED CFD MESHING OF THE BMW M6 MODEL USING ANSA   I. OBJECTIVES 1. Detailed geometry clean-up of the BMW M6 Model. 2. Generation of a surface mesh on the model. 3. Analyze and correct the quality of the mesh. 4. Setting up a wind tunnel around the car.   II. METHODOLOGY A. Part 1 – Cleaning All The…

CHT SIMULATION & ANALYSIS OF FLUID FLOW THROUGH AN EXHAUST MANIFOLD   I. OBJECTIVES 1. Simulate & analyse the fluid flow through an exhaust manifold using Conjugate Heat Transfer (CHT) modeling. 2. Plot the velocity, temperature and heat transfer coefficient contours at the outlet region.   II. INTRODUCTION…

A PARAMETRIC STUDY ON THE GATE VALVE SIMULATION   I. OBJECTIVES 1. Simulate the flow of a fluid through a gate valve. 2. Perform the parametric study on the gate valve by setting design points corresponding to the positions of the lift of the spindle. 3. Calculate the mass flow rate corresponding to all the design…

HVAC SIMULATION INSIDE A MIXING TEE GEOMETRY USING ANSYS FLUENT   I. OBJECTIVES 1) Simulate the flow of a fluid through a Mixing Tee geometry. 2) Analyse the mixing effectiveness for different case setups.   II. PROBLEM STATEMENT 1) Simulate the flow of a fluid through the given mixing tee geometry for the following…

SIMULATION OF SPLASH LUBRICATION IN A GEARBOX   I. OBJECTIVES 1. Simulate the flow of a fluid over the given system of spur gears in a gearbox. 2. Analyse the lubricating behaviour of two different fluids over two geometries having different clearances.   II. INTRODUCTION 1. Gearbox Lubrication Gearboxes rely…

SIMULATION AND ANALYSIS OF RAYLEIGH TAYLOR INSTABILITY   I. OBJECTIVES 1. Simulate and analyse the interface of two fluids having different densities. 2. Perform the simulation using mesh of different sizes and compare the simulation animations of the volume fraction of water in the computational domain.   II.…

SIMULATION OF A CLASSICAL DAM BREAK PROBLEM   I. OBJECTIVES 1. Simulate the flow of two fluids in a classical dam break problem. 2. Perform the simulation using mesh of different sizes and compare the simulation animations of the volume fraction of water in the computational domain.   II. INTRODUCTION Flooding…

SIMULATION AND ANALYSIS OF CYCLONE SEPARATOR   I. OBJECTIVES 1. Simulate the flow of a mixture of microscopic particles and air through a cyclone separator. 2. Simulate the flow for three cases by varying the number of particles through the inlet. 3. Simulate the flow by varying the DPM boundary condition types at…

SURFACE AND VOLUMETRIC MESHING OF A TURBOCHARGER MODEL IN ANSA   I. OBJECTIVES 1. Clean the given Turbocharger Model geometry. 2. Generate a surface mesh by assigning different mesh sizes on the different parts of the model. 3. Generate a volumetric mesh by creating appropriate control volumes.   II. PROCEDURE…

SIMULATION OF COMBUSTION ON A COMBUSTOR MODEL   I. OBJECTIVES 1. Simulate the process of combustion on a combustor model using a mixture of fuel and air. 2. Plot the variation of the mass fraction of the different species in the simulation using line probes at different locations of the model.   II. INTRODUCTION…

SIMULATION & ANALYSIS OF FLUID FLOW OVER AHMED BODY IN A WIND TUNNEL   I. OBJECTIVES 1. Simulate and analyse the flow of a fluid over Ahmed Body in a wind tunnel. 2. Perform grid dependency test on the given setup. 3. Plot and analyse the velocity and pressure contours using a midplane along the direction of flow.…