Week 6: Conjugate Heat Transfer Simulation

Aim:   To create a Rankine cycle simulator by using MATLAB. Objective:  To calculate the state points of the Rankine cycle based on user inputs To plot corresponding T-s and h-s diagrams. Introduction to the cycle: The Rankine cycle is an idealized thermodynamic cycle describing the process by which certain heat engines,…

Aim:     To write the MATLAB code to evaluvate the thermodynamic properties such as specific heat(cp),entropy, enthalpy details that are provided in THERMO.dat file to make the plots for each species. Objective:  Here R is the universal gas constant, T is the temeprature The FIRST 7 coefficients are HIGH-temperature coefficients…

Aim: To write a code in MATLAB to optimize the stalagmite function and find the global maxima of the function. Objective: 1. Explaining the concept of genetic algorithm and also explain the syntax for ga in MATLAB. 2.Plot graphs for all 3 studies and for F maximum vs no. of iteration. Introduction: A genetic algorithm…

Aim:    To describe the transient behavior of the system of Pendulum by using ODE. Objective: To write a program that solves the following ODE. This ODE represents the equation of motion of a simple pendulum with damping     In the above equation, g = gravity in m/s2, L = length of the pendulum in m, m = mass of the ball…

Aim :  To Write a program in Matlab to simulate the forward kinematics of a 2R Robotic Arm. Objective: Write a program to simulate forward kinematics of a 2R Robotic Arm To create a Movie/Animation from the plots obtained from the program Theory Explaination: A robotic arm is a type of mechanical arm, usually…

Aim: For the given model, check and solve all geometrical errors and assign Appropriate PID's. Perfrom meshing with the suitable target length and element quality criteria. Procedure: Import geometry file of Cyber truck to the ansa By deselect the solid body option, we can see the single cons, double cons, triple cons…

Aim: To do surface wrap over assembled parts (engine,transmission and gear box) Target length for Wrap = 3mm Procedure : First the model is loaded on to ANSA Unwanted surface are deleted without damaging the outer shape of the geometries. Single cons are resolved mainly here as it would affect negetively on the surface…

AIM: To perform volumetric meshing (CFD Meshing) on the given BMW car geometry.   OBJECTIVE: To open the given car geometry in ANSA and to cleanup the geometry appropriately. To carry out triangular meshing on the surface of geometry with different target lengths as mentioned in the question To create a wind tunnel…

Aim: To perform Volumetric mesh in the given raw model of turbocharger. Apply different mesh lenth for different PID's Surface with the tria elements to make ensure the elements to 2D to 3D mesh Mesh Length for various components: 1) Blade stage 1 = 1mm2) Blade stage 2 = 1mm3) Impeller = 2mm4) Shaft rotor = 1mm5) Turbo…

Aim:  Set three different target length as three different cases and mesh the model Target length = 1mm, 3mm, 5mm Element type = Tria Objective: To check the geometrical errors and perform topology cleanup accordingly. Procedure: Import the geometry to the ANSA Geometry checks: To check the geometry errors using checks…

AIM: Analyzing a missile with a high Mach number combined with engineering data added to the missile and doing structural analysis. OBJECTIVE: (CASE-1) To create the geometry and meshing domain of a missile and analyze the shock waves encountered for Mach No. 6. (CASE-2) To do structural analysis by adding material to…

AIM: To calculate the most efficient slot-fuel injector and cavity-flame holder for a scramjet in ANSYS Fluent. THEORY: A scramjet engine is an improvement over the traditional ramjet engine as it efficiently operates at hypersonic speeds and allows supersonic combustion. Thus it is known as Supersonic Combustion Ramjet…

AIM:  To perform a steady-state external flow simulation over an Ahmed body model. Use of Broadband model to capture the acoustic effects produced due to pressure difference at the surface of the body. Post-process the results and justify the solution derived. OBJECTIVE: To describe Ahmed's body and its importance. To…

AIM:  To simulate the motion of blades in a generic turbomachinery component using an unsteady approach. OBJECTIVE: Assume blade rotation at 300rpm Choose an appropriate time step for the simulation and generate an animation file for the rotation. SETUP & SOLUTION: Import the mesh file in the fluent as shown below,…

AIM: To simulate rotary motion for the given geometry and to study the moving zones approach in Fluent. THEORY:  1:  Introduction to moving zone: Two types of motion are involved in the fluid flow problem Rectilinear Rotary To model rotary motion, two approaches are used Moving Reference Frame (MRF) Moving…

AIM: To create a domain for flow analysis. To set up a simulation for subsonic and supersonic regimes at 5, 10, and 15 angles of attack. OBJECTIVE: To perform flow analysis over a NACA 0012 airfoil for subsonic and supersonic flow regimes, and also perform the simulations for 3 angles of attacks 5, 10, and 15. Calculate…

AIM:  To explain turbulence modelling and run a simulation for the Golf ball. OBJECTIVE: Turbulence modelling. To perform a 3D simulation and explain the recirculation region using velocity vectors. Visualize the wake region. THEORY: Turbulence is unsteady, irregular fluid motion in which transported quantities…

AIM: To perform simulation on the pitot tube using Ansys Fluent. OBJECTIVE: To do a literature review of the pitot-static tubes. Also, establish a relationship between Total (stagnation) pressure and static pressure To calculate the total and static pressures and find the error in percentage for velocity. Velocity(m/s)…

AIM: To simulate a flow through a converging-diverging nozzle using ANSYS Fluent. OBJECTIVE: At Inlet, Pressure = 1atm and Temperature = 300K. The outlet pressure= 0.027 atm. In the operating conditions, consider the reference pressure to be zero. Plot: The pressure, velocity and temperature variations across…

Aim:  Combustion Simulation of Natural gas inside a Burner using ANSYS FLUENT. Objective: Part 1 1) Perform a combustion simulation and plot the variation of mass fraction of different species in the simulation using a line probe at different locations. 2) Set up a NOx and soot model to observe NOx emissions and soot…

Aim: To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop Objective: Four empirical models are used to calculate the cyclone separator efficiency. To perform an analysis on a given cyclone separator model by varying the particle diameter from 1 μm to  5 μm and…

Aim – To perform a parametric study on water passing through a gate valve by changing the valve opening from 10mm to 80mm and analysing the mass flow rate at the outlet in each case. Introduction to Gate Valve and its working principle – A gate valve's main components are body, seat, gate, stem, bonnet,…

Aim: To perform a steady-state conjugate heat transfer analysis on a model of a graphics card.  Objective: To simulate the velocity by varying from 1m/sec to 5m/sec for at least 3 velocities and to discuss the results. To find out the maximum temperature and heat transfer coefficient attained by the processor.…

Aim:  To analyze the Rayleigh Taylor waves. Objective: To Perform the Rayleigh Taylor instability simulation for air and water with 2 different mesh sizes with mesh size 0.5 mm and 0.1mm and compare the results by showing the animations. We will observe the differences in the animation and explain the effect of mesh size…

Aim: External flow simulation over an Ahmed body. Objective: The objective of this project is to determine the aerodynamic forces on the Ahmed body such as drag and lift coefficient and to perform the grid independence test. The expected results will include 1. Velocity and pressure contours.  2. The drag coefficient…

Aim: To conduct CHT analysis on exhaust port in ANSYS Fluent. Objective: A brief description of why and where a CHT analysis is used. A simulation of both fluid flow and also heat transfer to the solid i.e., CHT Analysis on an Exhaust port To calculate the wall heat transfer coefficient on the internal solid surface &…

 AIM: Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street. I am understanding the vortex shedding for different Reynolds numbers by changing the inlet velocities accordingly. Create a monitor point behind the cylinder at a distance 4 times the diameter which can be used to calculate…

Objective To simulate the flow of air through mixing tee and understand the effect of length of pipe and momentum ratio of velocity for mixing of air by using two different types of pipe i.e. short pipe and long pipe. About In industrial process engineering, mixing is a unit operation that involves…

Aim:  Perform an external aerodynamics analysis over the FSAE car model Mercedes is going to be racing at two characteristically different racetracks. 1st Race is at Albert Park, Melbourne, Australia. As you can see in the following track map- it has a lot of turns. The average lap speed is estimated to be at 45kmph. Looking…

Aim: Model and Simulate flow around an Ahmed Body using Converge CFD and compare the simulation results with provided experimental data. Objective: Create the CAD model using any CAD package. Setup a Coarse CFD simulation Setup the virtual wind tunnel Apply the right boundary conditions and solver settings Show an animation…

Aim: Perform transient state simulation on NACA 2414 Airfoil with varying Angle of Attack Calculate the coefficient of Drag and Lift using time-averaged plotdata of Drag force and lift force on the airfoil. Objective: Calculate for the following angle of attacks 1, 5, 10, 15 degrees. Drag coefficient Vs Angle of Attack…

The Reynolds-averaged Navier–Stokes equations (RANS equations) are time-averaged equations of motion for fluid flow. The idea behind the equations is Reynolds decomposition, whereby an instantaneous quantity is decomposed into its time-averaged and fluctuating quantities, an idea first proposed by Osborne Reynolds.…

Objective: Setup a transient Shock tube simulation. Plot the pressure and temperature plots in the domain. Plot the cell count as a function of time. Introduction:       Shock tubes are ideal devices for studying combustion and chemical kinetics at high temperature and pressure. These devices produce these…

 Objective: Setup a flow simulation through a pipe Inlet Reynolds number should be 7,000 To calculate velocity for corresponding value of REYNOLD NUMBER and give DIRICHLET BC for velocity at inlet and specify the value for velocitycalculated at INLET BC using below formula , Re = (rho*V*D)/(Dynamic viscosity) Turbulence…

Aim: To study the flow over the Convex corner or expansion waves To study the influence of SUB-GRID-CRITERION on the results. Literature review on Boundary Conditions and Shock flow To simulate the Prandtl_Meyer expansion Wave Prandtl-meyer shock expansion: A supersonic expansion fan, technically known as Prandtl–Meyer…

Aim: To setup and simulate the Transient simulation of flow over throttle body. Objective: Setting up Transient state simulation for flow over a throttle body. To generate the mesh that gives more accurate results. Post processing the obtain results using paraview and show pressure and velocity contour. Description: A…

Abstract: In this project, a steady state simulation of throttle valve is studied using CONVERGE cfd. Pressure based solver with RNG k-epsilon turbulent model is used for simulation. Parameters like mass flow rate, velocity distribution, pressure variation across the throttle region is observed and analyzed. Embedded scaling…

Aim: To simulate the Backward step flow for three different mesh grid sizes by using convergentscience and paraview. To show various velocity and pressure contours for the different mesh. To show the various plot of velocity, pressure, mass flow rate and total cell count fordifferent mesh grids. To steady the turbulent…

Introduction: Channel flow is an internal flow in which the confining walls change the hydrodynamic structure of the flow from an arbitrary state at the channel inlet to a certain state at the outlet. The simplest illustration of internal flow is a laminar flow in a circular tube, while a turbulent flow in the rotor of…

Objective: Validate Hydro dunamic length with the numerical results. Validate the fully developed flow velocity profile with its analytical profile. Validate maximum velocity and pressure drop for fully developed flow. Post-process and shear stress and wall shear stress for fully developed flow. Highlight the difference…

Objectives: Calculation of Flow Variables Generation of blockMeshDict using the wedge boundary condition. Create the blockMeshDict file in MATLAB such that the mesh isautomatically created for any wedge angle. Simulating the pipe flow in OpenFOAM using icoFoam solver. Post process the velocity profile and shear stress…

Objective: To simulate an incompressible-laminar-viscous flow through the backwards-facing step geometry and perform a transientsimulation. Case 1 - To Simulate the flow without using any grading factor (i.e., GF = 1). Case 2 - To Simulate the flow with a grading factor of 0.2. The cells should be finer near the walls…

Objective -To describe the need for interpolation schemes and flux limiters in FVM. BasicsIn computational fluid dynamics there are 3 numerical method based solvers to solve the governing navier strokes equations theseare:1. Finite difference method2. Finite element method3. Finite volume method In finite difference method:The…

Aim: To simulate the isentropic flow through a 1D quasi subsonic-supersonic nozzle. To derive the conservative and non conservative forms of the governing equation and solve them using the MacCormack's technique. To determine the steady state the temperature distribution of the flow field variables and investigate the…

Objective: Solve the 2D heat conduction equation by using the point iterative techniques1. Jacobi2. Gauss-seidel3. Successive over-relaxation. Your absolute error criteria is 1e-4 1.Steady state analysis2.Transient state analysis using explicit and implicit schemes. code: close all clear all clc nx = 10; %nx & ny will…

AIM: To derive the fourth order approximations of a second order derivative using central differencing scheme, skewed right sided difference and skewed leftsided difference with the help of taylor table method and to compare the analytical derivative with obtained values for the given function. SCHEME DERIVATIONS: CENTRAL…