clear all close all clc disp(\'RANKINE CYCLE\'); disp(\'1-2 : isentropic expansion\') disp(\'2-3 : constant pressure heat rejection\') disp(\'3-4 : isentropic compression\') disp(\'4-1 : constant pressure heat addition\') %input parameters t1 = 400; p1 = 30; p2 = 0.05; %---pt 1--- h1 = XSteam(\'h_pt\',p1,t1); s1 = XSteam(\'s_pt\',p1,t1);…
Gokulkumar M
updated on 11 Feb 2020
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Read more Projects by Gokulkumar M (17)
Week 3 - Adiabatic Flame Temperature calculation
Objective: To calculate Adiabatic Flame Temperature for combustion with variation in equivalence ratio, type of fuel, with heat loss using the Newton-Raphson method and Cantera. Theory: Adiabatic flame temperature(AFT): The final temperature of the product, When the combustion takes place…
23 Mar 2021 05:17 AM IST
Week 10 - Simulating Combustion of Natural Gas.
Objective: To simulate the combustion in Ansys fluent with the parametric study. Theory: Combustion is a chemical process during which heat energy is generated. During combustion, the Hydro-carbon and Oxygen combined when a spark is introduced chemical reaction takes…
03 Mar 2021 10:35 AM IST
Week 9 - Parametric study on Gate valve.
Objective: To simulate the Gate valve with different opening positions using parametric study in Ansys fluent. Theory: Flow coefficient: `C_v=Q√((SG)/(∇P))` where, Q is the rate of flow (expressed in US gallons per minute),…
26 Feb 2021 03:46 PM IST
Week 8 - Simulating Cyclone separator with Discrete Phase Modelling
Objective: To simulate cyclone separator with Discrete Phase Modelling in Ansys fluent. Theory: Empirical models used to calculate the cyclone separator efficiency: 1.Iozia and Leith Model Iozia and Leith logistic model is a modified version of…
24 Feb 2021 02:43 PM IST
Week 6 - CHT Analysis on a Graphics card
Objective: To simulate the steady-state conjugate heat transfer analysis on the model of a graphics card. Theory: Conjugate heat transfer: The term Conjugate heat transfer is used to describe that when there is a heat transfer between solid to fluid and vice versa. The conjugate…
19 Feb 2021 05:00 AM IST
Week 5 - Rayleigh Taylor Instability
Objective: To simulate the Multiphase flow of rayleigh Taylor instability in Ansys fluent. Theory: Multiphase flows take place in nuclear geothermal power plants, food processing industries, and many others. One of the basic examples is Rayleigh Taylor Instability.…
16 Feb 2021 11:41 AM IST
Week 4 - CHT Analysis on Exhaust port
Objective: To simulate the Exhaust manifold in Ansys fluent for analyzing the heat transfer and the flow of fluid inside. Conjugate heat transfer: The term Conjugate heat transfer is used to describe that when there is a heat transfer between solid to fluid and vice versa. The conjugate heat transfer (CHT)…
14 Feb 2021 03:57 PM IST
Week 3 - External flow simulation over an Ahmed body.
Objective: External flow simulation over an Ahmed body in Ansys fluent. Theory: Ahmed's body and its importance The Ahmed body is a simplified vehicle model or a bluff model body with basic aerodynamic properties of a vehicle and it was developed for investigating the influence of…
05 Feb 2021 01:43 PM IST
Steady Vs Unsteady flow over a cylinder
Objective: Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street. Theory: Karman vortex street: It is a repeated pattern of swirl, caused due to vortex shedding. Vortex shedding is an oscillating flow that takes place when a fluid such as air or water flows past a bluff…
11 Dec 2020 07:50 AM IST
Mixing effectiveness in T-juntion
Case 1 Short mixing tee with a hot inlet velocity of 3m/s. Momentum ratio of 2, 4. Length = 212.85mm Case 2 Long mixing tee with a hot inlet velocity of 3m/s. Momentum ratio of 2, 4. Length = 216mm Hot air temperature is 36 degree Celsius Cold air temperature is 19 degree Celsius V1 = 3m/s, V2 =…
28 Aug 2020 09:35 AM IST
BlockMesh Drill down
dt based on Courant number: Courant number C = U*(dt/dx) Where, U - velocity = 1 m/s assumed dt - time steps to be find dx = x/no. of cells along x axis dx = 0.1/200 = 0.0005 courant number should be less than one (C < 1) thus, using the above equation dt < 5e-5 . Grading factor (f): f = size of the…
06 Aug 2020 09:52 AM IST
Week 12 - Symmetry vs Wedge vs HP equation
Symmetry vs Wedge vs HP equation Objective: To write a Matlab program that takes an angle as input and generates a blockMesh file for the given angle of 10,25,45. To compare the results obtained from solving the Hagen-Poiseuille…
27 Jul 2020 03:33 PM IST
Week 11 - Simulation of Flow through a pipe in OpenFoam
Objective: To write a program in MATLAB that can generate the computational mesh automatically for any wedge angle and grading scheme. To determine, whether the velocity profile matches between the computational method and analytical method. To show that the velocity profile is fully developed after the entry length. To…
22 Jul 2020 09:11 AM IST
2D HEAT CONDUCTION
clear all close all clc % 2D HEAT CONDUCTION % (1,2,3) steady state % 4,5,6,7 for unsteady / transient state % (1,2,3) or (5,6,7) for (jacobi,gs,SOR) % 4 explicit % 5,6,7 implicit Z = 7; %input l = 1; %length b = 1; %breadth %number of nodes along x & y axis nx = 10; ny = 10; % Discretization x = linspace(0,l,nx);…
19 Mar 2020 09:13 AM IST
rankine cycle
clear all close all clc disp(\'RANKINE CYCLE\'); disp(\'1-2 : isentropic expansion\') disp(\'2-3 : constant pressure heat rejection\') disp(\'3-4 : isentropic compression\') disp(\'4-1 : constant pressure heat addition\') %input parameters t1 = 400; p1 = 30; p2 = 0.05; %---pt 1--- h1 = XSteam(\'h_pt\',p1,t1); s1 = XSteam(\'s_pt\',p1,t1);…
11 Feb 2020 12:50 PM IST
FILE PRASING
*NOT ABLE TO UPLOAD IN HTML LAST 10 LINES ARE NOT PASTING clear all close all clc file = fopen(\'THERMO.dat\',\'r\'); line1 = fgetl(file); line2 = fgetl(file); split_temp = findstr(line2, \' \'); t_gmin = str2num(line2(split_temp(1):split_temp(4))); t_gmid = str2num(line2(split_temp(5):split_temp(6))); t_gmax = str2num(line2(split_temp(7):end));…
07 Feb 2020 07:43 AM IST
Simple pendulum simulation in matlab
error: without the hold off in line 33 we can\'t get the animation clearly https://www.youtube.com/watch?v=JbXtB-WIv38 clear all close all clc %input Parameters b = 0.2; g = 9.81; l = 1; m = 1; x0 = 0; y0 = 0; % initial condition theta_0 = [1 0]; %time points t_span = linspace(0,20,900); % solve ODE [t, results] = ode45(@(t,theta)…
27 Dec 2019 01:15 PM IST