Week 10 - Simulating Combustion of Natural Gas.

Data Analysis OBJECTIVE Data Visualizer Compatibility check Basic performance calculation THEORY Data analysis Data analysis is a process of inspecting, cleansing, transforming and modelling data with the goal of discovering useful information, informing conclusions, and supporting decision-making. This deals with the…

Otto cycle - Python OBJECTIVE Introduction to IC engine and air standard cycle Plotting PV graph of Otto cycle using Python THEORY IC Engine It is a heat engine that converts the chemical energy of fuel into mechanical energy. The chemical energy of the fuel gets converted to thermal energy through the combustion of an…

CURVE FITTING – Python OBJECTIVE How to change the experimental data into a mathematical equation. Ways to measure the goodness of fit To fit Cp data according to the given Cp vs temperature data file THEORY Curve Fitting It is one of the techniques of data analysis to validate and find the mathematical relation…

Solving Second Order ODE Using PYTHON OBJECTIVE To create a simulation of simple pendulum with python as a solution for second-order ODE with damping. THEORY ODE is used to describe the transient behavior of a system. Example; PENDULUM The path of pendulum depends on the Newton’s second law. ODE representing the…

AIM Rankine cycle Simulator THEORY The Rankine cycle is an idealized thermodynamic cycle describing the process by which certain heat engines, such as steam turbines or reciprocating steam engines, allow mechanical work to be extracted from a fluid as it moves between a heat source and a heat sink. Heat energy is supplied…

AIM Parsing NASA Thermodynamic Data About NASA came up with polynomials that can be used to evaluate thermodynamic properties such as Cp, H and S. They have also documented the coefficients that are required to evaluate the polynomials for 1000+ species. Highlights Functions to extract the 14 coefficients and calculates…

AIM Optimization Method using MATLAB Genetic Algorithm THEORY Optimization Optimization is a decision-making process, it helps to find the best results under a set of prioritized criteria or constraints.  It is a procedure which is executed iteratively by comparing various solutions till an optimum or satisfactory…

AIM Solving Second Order ODEs using MATLAB THEORY ODE is used to describe the transient behaviour of a system. Example; PENDULUM The path of the pendulum depends on Newton’s second law. ODE representing the equation of motion of a simple pendulum with damping is expressed as below: In the above equation, g = gravity…

AIM To trace out the expected final position of the manipulator. THEORY Forward Kinematics Forward kinematics specifies the joint parameters and computes the configuration of the chain. For serial manipulators, this is achieved by direct substitution of the joint parameters into the forward kinematics equations for the…

REPORT – SOLVING THE STEADY AND UNSTEADY 2D HEAT CONDUCTION PROBLEM AIM Steady-State Analysis and Transient State Analysis OBJECTIVE Solve the 2D heat conduction equation by using the point iterative techniques. Implement the following methods for solving implicit equations; Jacobi Gauss – seidel Successive…

REPORT Gearbox Simulation OBJECTIVE To simulate the Fluid Sloshing effect inside a Gearbox through four different cases. Discuss highlighted terminology of this simulation and answer a few questions related to them. CASE Gearbox The gearbox is a mechanical method of transferring energy from one device to another and is…

REPORT AIM CFD Meshing for Tesla Cyber Truck OBJECTIVE To identify and clean up all the topological errors in the Tesla Cyber Truck Car model. To create a surface mesh. To create a wind tunnel surrounding the car. To generate a volumetric mesh to perform an external flow CFD analysis simulation. MODEL Tesla Cyber Truck…

REPORT AIM CFD Meshing for Tesla Cyber Truck OBJECTIVE To identify and clean up all the topological errors in the Tesla Cyber Truck Car model. To create a surface mesh. To create a wind tunnel surrounding the car. To generate a volumetric mesh to perform an external flow CFD analysis simulation. MODEL Tesla Cyber Truck…

REPORT AIM CFD Meshing of BMW car inside Wind Tunnel OBJECTIVE Detailed geometry clean-up of the BMW M6 Model. Generation of a surface mesh on the model. Analyze and correct the quality of the mesh. Setting up a wind tunnel around the car. THEORY Topology is concerned with the properties of a geometric object that are…

REPORT Surface Wrap on Automotive Powertrain OBJECTIVE Check for the geometrical errors and delete surfaces that are unwanted for the surface wrap. Merge all three models and perform surface wrap after clearing geometry. The target length for the Wrap should be set to 3 mm. THEORY Surface Wrap It is a process of replicating…

REPORT CFD Meshing on Turbocharger THEORY Turbocharger In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gasses. It uses this energy to compress the intake gas, forcing more air into the engine in order to produce more powder for…

REPORT Combustion of Natural Gas AIM Combustion simulation of natural gas on a combustor model using ANSYS Fluent. ABSTRACT This study presents a systematic investigation of the strategies required for modelling soot when performing CFD simulations of turbulent flames. The systematic approximation is used in the combustion…

REPORT Gate Valve Simulation OBJECTIVE To perform a parametric study on the gate valve simulation by setting the opening from 10% to 80%. ABSTRACT This work presents a simulation for a gate valve with a parametric study showing variation in various factors like mass flow rate, flow coefficient, and flow factor for the…

REPORT Project - CHT analysis on a Graphics Card OBJECTIVE To investigate the conjugate heat transfer analysis for the model of Graphics Card in Ansys Fluent. To determine the hot spots and heat transfer coefficient at different velocities. INTRODUCTION Nowadays electronic devices are produced in small and compact sizes…

REPORT Week 4 CHT Analysis on Exhaust Port AIM Steady-state conjugate heat transfer analysis on the exhaust port. EXPLANATION CHT Analysis The conjugate heat transfer (CHT) analysis allows the simulation of heat transfer between solid and fluid domains by exchanging thermal energy at the interfaces between them. In solids,…

REPORT Week 3 – External flow simulation over an Ahmed body AIM To simulate the velocity of 25 m/s with the default air properties in Ansys Fluent. EXPLANATION Ahmed Body The first Ahmed body was created by S.R.Ahmed in his research ‘Some salient features of the time-averaged ground vehicles wake’ in…

REPORT Week 1 – Mixing Tee AIM To simulate a steady-state flow of air through mixing tee to compare the mixing effectiveness and understand the effect of length of pipe and momentum ratio of velocity for mixing of air of variant temperatures. CASES CASE 1 Short mixing tee with a hot inlet velocity of 3m/s. Momentum…

REPORT  Week 12 - Validation studies of symmetry BC vs Wedge BC in OpenFOAM vs Analytical H.P equation AIM Simulate the week 11 problem by applying Symmetry Boundary Condition. Simulate for the following angles using both symmetry and wedge boundary conditions and validate them with HP equations. Angles to test:…

REPORT – Deriving 4th order approximation of a 2nd order derivative using the Taylor method AIM Derive the following 4th order approximations of the second-order derivative. Central difference Skewed right-sided difference Skewed left-sided difference OBJECTIVE After deriving these schemes, Prove that the skewed…

REPORT – Week 8 - Simulation of flow through a pipe in OpenFoam AIM To simulate an axisymmetric flow by applying the wedge boundary condition. The flow is laminar and flows through a constant cross-section pipe at an inlet Reynolds number of 2100. A transient or steady-state simulation and the result will be validated…

REPORT  Week 8 – Simulation of a backwards-facing step in OpenFoam AIM To simulate an incompressible-laminar-viscous flow through the backwards-facing step geometry. Perform a transient simulation. The solver can be chosen based on the described physics of the flow. Choose the inlet velocity such that the flow…

REPORT  1D Supersonic nozzle flow simulation using Macormack Method To simulate the isentropic flow through a Quasi 1D subsonic-supersonic nozzle. Derive both the conservation and non-conservation forms of the governing equations and solve them using MacCormack’s technique. To determine the steady-state temperature distribution…

REPORT  FVM Literature Review OBJECTIVE What is the Finite Volume Method (FVM)? Major differences between FDM & FVM. Describe the need for the interpolation schemes and flux limiters in FVM. Explain with an example of a 1D linear heat conduction equation. DESCRIPTION FINITE VOLUME METHOD The finite volume method is a widely…