Week 6 - CHT Analysis on a Graphics card

Aim: To compare discretization schemes in OpenFoam. The report of the same has been written in LaTex and presented here in the form of code. The  .pdf file of the same is attached herewith along with supporting files. The LaTex code: \documentclass{article} % Language setting % Replace `english' with e.g. `spanish'…

Aim:Basic Calibration of Single cylinder SI Engine.  1.Run the case at 1800 rpm and list down important parameters (20 Marks) air flow rate BMEP BSFC In-cylinder pressure 2. Increase the power output at 3600 rpm by 10% (30 Marks)   Solution: 1) Case 1: 1800 rpm   I) Case Set up for 1800 rpm.  II)  …

Aim: To explore the GUI of GT SUITE.  1. To list down the modules available with brief description. 2. To locate following settings: Time control flag Time step and solution control Integrator/Solver type 3. To explore intercooler tutorial and note down all settings of: Run setup Advanced setup Plot setup Output setup…

Project 1 : CFD Meshing for Tesla Cyber Truck Aim:To perform CFD meshing for the given geometrical model of the Tesla Cyber Truck.To check and to solve all geometrical errors on half portion and to assign appropriate PIDs.To perform meshing with the appropriate target length and element quality criteria.After meshing the…

Aim: To perform surface wrap on automotive assembly. For the given models,To check for the geometrical errors and to delete surfaces which are unwanted for Surface wrap as shown in the videos. After clearing geometry,merge all 3 models to perform surface wrap.Target length for Wrap = 3 mm. Steps to perform surface wrap…

Aim:To perform CFD meshing for the given geometrical model of the BMW car. To check and to solve all geometrical errors on half portion and to assign appropriate PIDs.To perform meshing with the given target length and element quality criteria. After meshing the half model, to do symmetry to the other side. Target lengths…

Aim: For the given geometrical model of Turbocharger,         To check for the geometrical errors to make appropriate volumes.        To Create and to assign PIDs as shown in the video lecture.        To Perform surface mesh with the given target lengths as per…

Aim: For the given geometric model, to check for the geometrical errors and to perform topology cleanup accordingly. To set three different target lengths as three different cases and mesh the model.  Target length = 1mm, 3 mm and 5 mm (i.e. 3 cases) Element type = Tria To apply any one target length from the above…

Project 2: To understand the concept of Rankine cycle by referring to standard thermal engineering text book and to create a Rankine Cycle Simulator using MATLAB. The code should calculate the state points of the Rankine Cycle (any type of your choice) based on user inputs.  Then, plot the corresponding T-s and h-s…

Project 1: NASA Thermodynamic data file parsing in MATLAB. Aim: 1. To write a MATLAB code that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific heats for all the species in the data file. By reading the file NASA thermodynamic data(using fopen and fgetl). The formulae are shown…

Aim: To understand the concept of Genetic Algorithm (GA) with an optimisation of Mathematical Stalagmite function . To write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. To expalin the concept of genetic algorithm in simple words and also explain the syntax…

Aim: To Solve the 2nd order ODE System and to simulate the motion of Simple Pendulum using Matlab. Theory: Generally Ordinary Differential Equations (ODE) evaluated for the system gives transient behavoiur of that sytem. One such example is Simple pendulum with damping.     Simple Pendulum with damping:…

Aim: To simulate the forward kinematics of a 2R Robotic Arm. To simulate the forward kinematics of a 2R Robotic Arm the code has been written in the MATLAB, Steps in the construction of the code are as explained below: Code has been started with usually required commands to close all the previously open graphs, to clear…

Project 3- To add a temperature dictionary to the incompressible icoFoam case to solve the energy equation and to test on the tutorial case. The project report is written in the Latex format. The code of the same is as given below. Also the supporting images are given. The pdf file of the report is attached herewith. Latex…

Aim:To calculate the total pressure pTotal which is the contribution of the static pressure and the dynamic pressure by using a coded function object called totalPressure which: reads in the fields p and U  creates a field pTotal (using IOobject)  computes the expression  `p"Total" = p + frac{U^2}{2}`…

Aim: To implement a customised solver in OpenFOAM.Project Description: Use the icoFoam solver in the applications/solvers/incompressible/icoFoam directory to create a customised solver - scalarFoam The scalar transport equation is defined as: `frac{dels}{delt} + nabla*(Us) = 0`where `s` is the scalar quantity being…

Aim: To Derive the 4th order approximations of the second-order derivative for (i) Central difference scheme (Symmetric), (ii) Skewed right-sided difference scheme and (iii) Skewed left-sided differenc scheme using Taylor's Table Method and To test scheme for given function over the range of dx for absolute…

Aim: To Perform Combustion analysis of the Natural gas on a given combustor model. To 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. Plot for species CO2, H2O, CH4, N2,…

Aim: To perform a parametric study on the gate valve simulation by setting         the opening from10 % to 80%.  To obtain the mass flow rates at the outlet for each design point. To calculate the flow coefficient and flow factor for each opening and to plot the graph. To discuss the results of…

  Aim:- To perform analysis on a cyclone separator and calculate the separation efficiency and pressure drop.   Objective:- To write a few words about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator model by varying…

Aim: To perform a steady state conjugate heat transfer analysis on a given model of graphics card. Objectives: To Run the simulation by varying the velocity 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…

Aim: To enlist and explain the CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves? To Explain how these mathematical models have been adapted for CFD calculations. To perform Rayleigh Taylor Instability simulation for baseline and refined mesh using air -water as light and heavy phase…

Aim: To Perform Conjugate Heat Transfer analysis on a given geometry of Exhaust port. Theory: Conjugate Heat Transfer (CHT) Analysis :Whenever there is a heat transfer through solids and fluids simultaneously, the approach of solving the problem case through a set of transport equations on the basis of materials and given…

Aim: To Run the CFD simulation of the air flow over Ahmed body with velocity of 25 m/s with Ansys Fluent solver and To Obtain the answers to following questions.           Q1. Describe Ahmed's body and its importance.           Q2. Explain the reason for the negative…

Aim: To Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.   Flow over a Cylinder 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…

Aim: To set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C, for the provided geometries of Short mixing tee and Long mixing tee . Use the k-epsilon and k-omega SST model for the first case and investigate the more suitable model for further…

 Aim:To simulate the flow through pipe using axis symmetry by applying wedge and symmetry         boundary conditions in OpenFOAM. Consider the flow to be laminar with Reynolds number         2100 for any diameter of the pipe.  Compare the results with Hagen-Poiseuille's…

 Aim: To simulate the flow through pipe using axis symmetry by applying wedge boundary     conditions in OpenFOAM. Consider the flow to be laminar with Reynolds number 2100 for any diameter of the pipe.  Compare the results with Hagen-Poiseuille's equations for flow through circular pipe.Expected Results: Validation of…

Aim: To study and explain         (i) What is Finite Voulume Method (FVM)?        (ii) State the major differences between FDM & FVM.        (iii) State the necessity of interpolation schemes in FVM and their types.        (iv) What…

Aim: Simulation of Backward facing step in OpenFOAM. Given: Geometrical Details and Boundary Conditions for Backward facing step: Mesh specification Number of cells along the x direction (longer dimension) = 200 Number of cells along the longer y direction = 20; Solver requirements: Transient solver for incompressible…

Aim: Simulation of 1D supersonic nozzle flow using MacCormack Method Theory: Schematic for subsonic supersonic isentropic flow through convergent divergent nozzle:                            Control Volume for deriving the partial differential equations…

Aim: To do steady state and transient state analysis for the 2D heat conduction problem with given boundary conditions using point iterative methods like Jacobi, Gauss Seidel and Successive Overrelaxation. Given:  *Square domain with size `1 m` x `1 m`  . *Boundary conditions                 Temperature…