Week 9 - Parametric study on Gate valve.

Problem Statement: Perform the simulation analysis using methane-air fuel mixture and plot the variation of mass fraction of different species using line probes at different locations of the combustion chamber. Study the effect of adding water to the methane-air mixture and plot the same and discuss the results. Theory:…

AIM Parametric Study for a Gate Valve Objectives To perform the parametric study on the gate valve by simulating the opening of the gate valve ranging from 10mm to 80mm. To obtain the mass flow rate for each design point. Calculate the flow factor and flow coefficient for each design point. Introduction The gate valve…

Simulating cyclone separator with discrete phase modeling Aim: To perform analysis on 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…

Conjugate heat transfer analysis on a graphics card Problem statement: Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. You can use appropriate materials of your choice for the simulation. Make sure to properly define the correct solid and fluid zones. Refer to the video for further…

Objectives: some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves explain how these mathematical models have been adapted for CFD calculations. Perform the Rayleigh Taylor instability simulation for 2 different mesh sizes with the base mesh being 0.5 mm. Compare the results…

CHT ANALYSIS ON EXHAUST MANIFOLD 1) What is CHT Analysis, Why and Where it is used? Conjugate Heat Transfer (CHT) refers to the coupling of conduction in solids with the convective and radiative heat transfer in the surrounding fluids. In other words, CHT corresponds with the combination of heat transfer in solids and…

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 Velocity and pressure contours.  The drag coefficient…

 Given Problem Statement:  Simulate flow over a cylinder for different Reynolds numbers by varying the velocity of the flow using a steady solver and calculate the drag and lift coefficient. Simulate the flow over a cylinder for steady and unsteady solver and calculate the Strouhal Number for Re 100. Study and…

problem statement:  we have created two versions of the mixing tee. One of them is longer than the other. Your job is to set up steady-state simulations to compare the mixing effectiveness when the hot inlet temperature is 360C & the Cold inlet is at 190C.  Use the k-epsilon and k-omega SST model for the…

objective: will need to simulate the same problem as in week 1 but by applying Symmetry Boundary Condition. You will do the simulation for the below-mentioned angles using both symmetry and wedge boundary conditions and validate them with HP equations as you did in the week 11 challenge.   Angles to test: 10o">10…

 The objective of the project: Calculation of flow variables Generation of block mesh dict using wedge boundary condition, create the block mesh dict file I MATLAB such as the mesh automatically creates a wedge with angle. Simulating the pipe flow using open foam by using icoFoam solver Post-processing the velocity…

Aim: To describe the need for interpolation schemes and flux limiters in the finite volume method.   Difference between finite difference method and finite volume method:  FDM is a differential scheme, that is an approximation of a Taylor series expansion. You try to write the first order, second order differential in…

Aim: To simulate the turbulent flow of air in a backward step for different base grid size and give the suitable conclusion   Theory: The separate flow generated as fluid passes over a backward-facing step is of interest for a variety of reasons. First separated flows produced by an abrupt change in the geometry are…

Theory: Any numerical solution of isentropic flow through a quasi 1D subsonic-supersonic nozzle is unreasonable, while an analytic solution exists for this kind of problem. However, we are trying here to establish the broad-banded capability of CFD in various streams rather than in representing the approximated form of…

Objective: we are going to solve the two-dimensional heat conduction for the steady-state and unsteady-states. For steady-state we are going to use Jacobi gauss-seidel method, successive over relocation methods. For un-steady state, there will be 2 methods with 3-iterative solvers such as Jacobi, gauss- seidel, sor For…

Intro: the numerical solution will give only answers at describing points in the domain which are called grid points. The finite difference method is for replacing the partial derivatives appearing in governing equations of fluid dynamics, with algebraic difference quotients yielding a system of algebraic equations that…

Rankine cycle - the Ideal Cycle for Vapor Power Cycle Vapor power plants generate electrical power by using fuels like coal, oil or natural gas. The schematic of a vapor power plant is shown on the left. The entire power plant can be broken down into four major subsystems. Subsystem A: Energy conversion from heat to work…

Aim: write a code to plot the NASA thermodynamic species  CP,S,H values with respect to temperatures. Objective: by using different types of inbuilt command we are going to plot the temp vs CP,S,H drawings   Step wise explanation of code: As a basic thing we are going to start with clear all close all and clc…

Aim: write a MATLAB code to optimize the stalagmite func and global maxima of the function Objective: we are going to find a global maxima values by using a genetic algorithm concept in mat lab and we are going to code a program for that. Theory: Genetic algorithm (GA) is one of the optimization processes. Basically, optimization…

Aim:  write a code to get 2ode oscillation of a simple pendulum Objective: we are going to sort the 2ode into 1ode by and by using mat lab coding methods and finally we are going to get a video file as a result which shows an oscillation of a simple pendulum Theory: a simple pendulum is on end is fixed point and other…

Otto cycle is involved with 4 processes adiabatic compression, const volume, adiabatic expansion, and const volume processes. So we are going to give a input variables and their values, and we need to calculate the engine swept-volume, and clearance volume, as per the engine geometric shape. And we need to calculate the…