Solving the Steady and Transient state 2-D Equation

Objective :1. The CAT3140 engine f or open-W and omega piston models generates a sector geometry of t he combustion chambers.2. To simulate t he t wo-sector profiles with t he same parameters.3. To analyze and compare t he different operative conditions of both configurations and compare t heir performanceparameters.4.…

Objective● To simulate t he Port f uel i njection engine using Converge t o determine i ts performance &emissionsPort Fuel I njection:P ort f uel-injection systems l ong ago replaced carburettors i n cars becauseof t heir efficiency and l ower maintenance requirements. With port f uel-injection, gasoline i ssprayed…

Aim: To derive the Reynolds Averaged Navir Stokes(RANS) Equations. Objective: To find the expressions for reynolds stress by applying Reynolds decomposition to the Navier-Stokes equations. Also understanding the difference between the turbulent viscosity and molecular velocity. Literature Review: The fluid flow is bascially…

AIM: To perform shock tube simulation. PROCEDURE:  The model is imported to the converge studio software and the boundary flagging is done.                                                      The case setup consists of the following things,and all the fields are setup for the simulation                     Setup: Material…

AIM: To perform a Conjugate heat transfer simulation through a pipe. THEORY: The term conjugate heat transfer (CHT) is used to describe processes that involve variations of temperature within solids and fluids, due to thermal interaction between the solids and fluids. Conjugate heat transfer corresponds with the combination…

AIM: To perform prandtl meyer shock problem. INTRODUCTION: Prandtl Meyer expansion fan is a two dimensional simple wave. It is a centered expansion process that occurs when a supersonic flow turns around a convex corner. The fan consists of a finite number of Mach waves diverging from a sharp corners. When a flow turnsaround…

AIM: To perform transient simulation of flow over a throttle body. PROCEDURE:  The throttle body geometry is imported and the boundary flagging is done.                            In transient case,the rotation centre and axis should be calculated…

AIM: To perform steady state simulation for flow over a throttle body. PROCEDURE:  The throttle body geometry is imported and the boundary flagging is done.                            Once the boundaries are allotted then we proceed for the…

OBJECTIVE:  Set discretization length of 0.1mm and compare it with the case of discretization length of 40mm Compare Parameters like Torque, BSFC, Maximum Cylinder Pressure, Simulation Time Explore the tutorial "Building Intake Manifold from STL model" i.e. conversion of 3D Model into 1D GT Model.   Case-1: 1cylDI…

Turbocharging : A turbocharger, or turbo, is a gas compressor. It is used to force air into an IC engine. A turbocharger is a form of forced induction. It increases the amount of air entering the engine to create more power. A turbocharger has the compressor powered by a turbine. The turbine is driven by the exhaust gas…

OBJECTIVE: Explore tutorial number 9 and write a detailed report  Build FRM Model for following configuration using FRM builder approach Bore 102 mm stroke 115 mm CR 17 No of cylinder 6 CI engine Twin Scroll Turbine GT Controller Run all cases FRM Modelling : Fast Running Engine Models are dynamic, fully-physical…

AIM:  1.Compare SI vs CI and list down differences 2.Comments on following parameters BSFC Exhaust Temperature A/F ratios 3.Change MFB 50 and observe impact on performance PROCEDURE: The SI and CI engine models are run at 1800rpm with the following cylinder geometry. CI ENGINE           …

Objective: To make the simulation work with Symmetry Boundary Condition. Write a Matlab program that takes an angle as input and generates a blockMesh file for the given angle. Angles to test: 10,25,45. Theory: SymmetryPlane BC: The symmetry boundary condition defines a mirror face/surface. The symmetry condition should…

Objective: Simulation of flow through pipe. You need to calculate the length of the pipe Calculate length of the pipe using the entry length formula for laminar flow through a pipe Show that entry length is sufficient to produce a fully developed flow. You will have to compare velocity profiles at different positions along…

INTRODUCTION: We consider the steady, isentropic flow through a convergent-divergent nozzle. The flow at the inlet to the nozzle comes from a reservoir where pressure and temperatures are at stagnation. Also it is assumed that the crosss sectional area of the nozzle is very large so that the velocity is almost V ~ 0. The…

Objective: To describe the need for interpolation schemes and flux limiters in the Finite Volume Method. Finite Volume Method (FVM): The finite volume method (FVM) is a method for representing and evaluating PDE in the form of algebraic equations. Similar to the finite difference method or finite-element method, values…

AIM:  1. To Run the case SI engine single cylinder at 1800 rpm and list down important parameters  air flow rate BMEP BSFC In-cylinder pressure 2. Increase the power output at 3600 rpm by 10%  PROCEDURE: I. The case is set at 1800 RPM. RESULTS: air flow rate = 24.64 kg/h BMEP = 9.47 bar BSFC = 239.17 In…

AIM: Simulating the flow through backward facing step using icoFOAM solver. PROCEDURE:   icoFOAM solves the incompressible laminar navier stokes equations using PISO algorithm. Path to find solver       tutorials -> incompressible -> icoFOAM Mesh generation To create the BFS,we have to edit…

I. List of Modules available in GT-SUITE: GT-SUITE supplies a comprehensive set of component libraries that simulate the physics of fluid flow, thermal, mechanical, electrical, magnetic, chemistry, and controls. From those libraries, one can build accurate models of almost any engineering system, including vehicles, engines,…

AIM: To perform a combustion simulation on the combustor model and to plot the variation of the mass fraction of the different species’ in the simulation using line probes at different locations of the combustor and also to add water content in the fuel from 5% to 30% by mole and observe its effects. PROCEDURE: Geometry…

AIM: To perform CHT analysis on Graphic card. PROCEDURE: Geometry:                                     Geometry details:        Processor                     …

OBJECTIVE: To perform the Rayleigh Taylor Instability Simulation. INTRODUCTION:  The Rayleigh-Taylor instability occurs when a light fluid is accelerated into a heavy fluid, and is a fundamental fluid-mixing mechanism. Any perturbation along the interface between the two fluids will grow. The width of the mixing layer…

AIM:  To Perform External Aerodynamics Simulation over Mercedes Benz Actros Truck using STAR-CCM+ PROCEDURE: Part-I:  Simulating complete model The given model is inclined i.e. the container is deviated and has to be made straight.                    …

AIM: To perform a parametric study on Gate Valve. PROCEDURE: First the model is imported to spaceclaim.                                      Then the fluid volume is extracted using the extract tool. After extracting the fluid…

AIM: To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.   INTRODUCTION: Cyclone separators or simply cyclones are separation devices (dry scrubbers) that use the principle of inertia to remove particulate matter from flue gases. Cyclone separators is one of many air pollution…

AIM: To perform an external aerodynamic simulation over Ahmed Body with two different turbulence models which are K-Epsilon and K-Omega SST and varying slant angles 25 and 35 degrees. INTRODUCTION:  Automotive aerodynamics comprises of the study of aerodynamics of road vehicles. Its main goals are reducing drag,…

OBJECTIVE: To Carryout Conjugate Heat Transfer Analysis on the Exhaust Port of an I.C Engine. INTRODUCTION: The analysis type Conjugate heat transfer (CHT) allows for the simulation of heat transfer between Solid and Fluid domains by exchanging thermal energy at the interfaces between…

OBJECTIVE: To simulate the flow over a cylinder using unsteady and steady state solvers. INTRODUCTION:  In fluid dynamics, vortex shedding is an oscillating flow that takes place when a fluid such as air or water flows past a bluff (as opposed to streamlined) body at certain velocities, depending…

AIM: To Perform CFD simulation of flow around Ahmed Body. INTRODUCTION:  Automotive aerodynamics comprises of the study of aerodynamics of road vehicles. Its main goals are reducing drag, minimizing noise emission, improving fuel economy, preventing undesired lift forces and minimising other causes of aerodynamic…

AIM: To setup steady state simulations to compare the mixing effectiveness in Tee geometry.  Case 1  Short mixing tee with hot inlet velocity of 3m/s Momentum ratio of 2 Case 2  Long mixing tee with hot inlet velocity of 3m/s Momentum ratio of 2 Case 3 Short mixing with hot inlet velocity of 3 m/s Momentum…

OBJECTIVE: To write a program to solve the ordinary differential equation and to simulate the pendulum motion. The ODE is as follows: `(d^2theta)/(dt^2)+(b/m*(d*theta)/dt)+(g/L)sintheta=0`  where g = gravity in m/s2 = 9.81m/s2 L = length of the pendulum in m = 1 metre m = mass of the ball in kg = 1kg b=damping coefficient…

OBJECTIVE: To write a program that compares the first, second and fourth order approximations of the first derivative against the analytical or exact derivative with a varying value of dx. The function that is to be computed is f(x) = sin(x)/x^3 and the given value for x is x=pi/3. Numerical computation for first…

1.OBJECTIVE:  To Mesh the Backdoor of an automobile using ANSA. 2. PROCEDURE: 2.1 Geometry cleanup: First the model is imported to the ANSA software and checked for topological errors. These geometrical errors have to be rectified by the user using some of the tools available in ANSA from the modules buttons namely:…

OBJECTIVE: To perform meshing for the IP substrate component with the given quality criteria using ANSA. PROCEDURE: 1. Geometry cleanup: First the model is imported to the ANSA software and checked for topological errors. These errors are rectified using some of the tools provided by ANSA which are: a) Faces -> New…

OBJECTIVE: To mesh the trunk BIW model for structural analysis using ANSA. 2. PROCEDURE: 2.1 Geometry Cleanup: First the model is imported to the ANSA software and checked for topological errors. These geometrical errors have to be rectified by the user using some of the tools available in ANSA from the modules buttons…

OBJECTIVE:  To mesh the plastic holder component for structural analysis using ANSA. PROCEDURE: 2.1 Geometry Cleanup: First the model is imported to the ANSA software and checked for topological errors. The model has no topological errors and hence we can proceed with extracting mid-surface. 2.2 Mid-surface extraction:…

OBJECTIVE: To  mesh the hood of an automobile using ANSA. PROCEDURE: 2.1 Geometry cleanup: First the model is imported to the ANSA software and checked for topological errors. These geometrical errors have to be rectified by the user using some of the tools available in ANSA from the modules buttons namely: a) Faces…

OBJECTIVE: To perform meshing operation for the interior plastic component of a side door of an automobile for structural analysis using ANSA. 2. PROCEDURE: 2.1 IMPORTING MODEL AND GEOMETRY CLEANUP: i) First the model has to be imported to the ANSA GUI window using FILE -> OPEN.     ii) Then we shall…

OBJECTIVE:  To solve the steady and unsteady 2D heat conduction equation problem using point iterative techniques. Conduction: Conduction is a mode of heat transfer between high energy particle and a low energy particle. It takes place in a stationary medium due to the presence of temperature gradient. Conduction…

OBJECTIVE: To derive the fourth order approximation of a second order derivative using central differencing scheme,skewed right difference scheme and skewed left difference scheme with the help of Taylor table and also to compare the obtained values with analytical derivative value for the given function. DERIVING THE…