Week 10 - Simulating Combustion of Natural Gas.

AIM:      FOR THE GIVE MODEL, CHECK AND SOLVE ALL GEOMETRICAL ERRORS ON HALF PORTION AND ASSIGN APPROPRITATE PIDS. PERFORMS MESHING WITH GIVEN TARGET LENGTH AND ELEMENT QUALITY CRITERIA. AFTER MESHING THE HALF MODEL,DO SYMMETRY TO THE OTHER SIDE. PRODECURE: INITIALLY, OPEN THE GIVEN BMW MODEL IN ANSA SOFTWARE.…

Aim: employing the symmetry boundary condition to simulate an axis-symmetric laminar flow through the pipe's constant cross-section. Using both symmetry and wedge boundary conditions, simulate the aforementioned angles—10, 25, and 45 degrees—and evaluate your results using HP equations. Introduction: Hagen-Poiseuille's…

Aim: Simulate axisymmetric flow in a pipe through foam. Objective: Verify the hydrodynamic length using the numerical result Verify a fully developed flow rate profile with its analytical profile Verify the maximum velocity and pressure drop for fully developed flow Post-process Shear Stress and verify wall shear stress…

AIM To describe the need for interpolation schemes and flux limiters in Finite Volume Method (FVM).   OBJECTIVE To study and understand What is Finite Volume Method(FVM) Write down the major differences between FDM & FVM Describe the need for interpolation schemes and flux limiters in FVM   INTRODUCTION            …

Objective  Case 1 - Simulate the flow without using any grading factor (i.e., GF = 1) Case 2 - Simulate the flow with grading factor of 0.2. The cells should be finer near the walls (includig the step wall). Theory- Here the aim is simulate an incompressible-laminar-flow through backward facing step geometry.…

Aim: Perform a combustion simulation on the combustor model using methane as fuel. Objectives: Part I 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 as shown in…

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

OBJECTIVE: To solve Steady and Unsteady state 2D Heat Conduction Equation by using the point iterative techniques such as Jacobi, Gauss Seidel & Successive over-relaxation for both implicit and explicit schemes using MATLAB. Problem statement: Computation area is to be a square. Assume nx = ny [No. of…

Aim:  To derive and write a program for in MATLAB for 4th order approximation for second order derivative by following methods Central difference Skewed right sided difference Skewed left sided difference Objective: To evaluate the second order derivative of the function  `f(x)=exp⁡(x)cosx` Using…

AIM:     Perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%. Obtain the mass flow rates at the outlet for each design point. Calculate the flow coefficient and flow factor for each opening and plot the graph. Discuss the results of the mass flow rate and flow coefficient.…

AIM: To perform analysis on Cyclone Separator and calculate separation efficiency for given cases Case I - Size of particle = 5 um, Velocity = 1 to 5 m/s Case II - Velocity = 3m/s, size of particles = 1 to 5 um Explain different models used to determine the efficiency of cyclone separator in brief THEORY: Cyclone Separator:…

Aim: Analysis of steady-state conjugate heat transfer using a graphics card model Objectives : Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the processor. Prove that the…

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

Aim  To perform the steady-state conjugate heat transfer simulation on the exhaust port when the air is coming at the inlet at a speed of 5m/sec. Objectives: Give a brief description of why and where a CHT analysis is used. Maintain the y+ value according to the turbulence model and justify the results.  Calculate…

Aim:Study of Flow and Turbulence Structures in the Wake of a Simplified Car Model (Ahmed Model) objective: Run the simulation for the velocity of 25 m/sec with the default air properties in fluent. For this challenge, you will have to provide answers to the following questions: Q1. Describe Ahmed's body and its importance.…

Aim Simulate the flow over a cylinder and explain the Karman vortex street phenomenon. Understanding the vortex for different Reynolds numbers corresponding to varying inlet velocities. Create a monitoring point behind the cylinder at a distance of four times the diameter that can be used to calculate and analyze vortex…

AIM: To set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C using k-epsilon and k-omega SST model for the following model. Case 1  Short mixing tee with a hot inlet velocity of 3m/s. Momentum ratio of 2, 4.  Case 2  Long…

AIM : For the given model, check and solve all geometrical errors and Assign appropriate PIDs. Perform meshing with the suitable Target length and element Quality criteria. PROCEDURE : AS WE OPEN THE TESLA CYBER TRUCK IN ANSA IT IS SHOWN BELOW. AFTER DOING THE TOPO GEOMETRIC ERROR ARE THIS SHOWN BELOW WE CAN DO THE CHECK…

AIM:         TO THE GIVEN MODELS, CHECKING THE GEOMETRICAL ERRORS AND DELETE SURFACE WHICH ARE UNWANTED FOR SURFACE WRAP. AFTER CLEARING THE GEMOTRY, MERGE ALL 3 MODELS AND PERFORM SURFACE WRAP. PROCEDURE: INTIALLY, DOWNLOAD ALL THE MODELS GIVEN IN CHALLENGE  FIRST IN THE ENGINE MODEL IS TAKEN TO CLEAN THE GEOMETRIC  HERE,…

AIM:             FOR THE GIVEN MODEL, CHECK FOR THE GEOMETRICAL ERRORS TO MAKE APPROPRIATE VOLUMES. CREATE AND ASSIGN PIDS AS SHOWN IN THE VIDEO. PERFORM SURFACE MESH WITH THE GIVEN TARGET LENGTHS AS PER PIDS. BLADE STAGE-1 = 1 mm BLADE STAGE-2 = 1mm IMPELLER = 2mm…

AIM:                  TO THE GIVEN MODEL, CHECK FOR THE GEOMETRICAL ERRORS AND PERFORM TOPOLOGY CLEAN-UP ACCORDINGLY. SET THREE DIFFERENT TARGET LENGTHS AS THREE DIFFERENT CASES AND MESH THE MODEL.  PROCEDURE: FIRST, IMPORT THE GIVEN PRESSURE…

Aim:    To create rankine cycle simulator using MATLAB. To demonstrate the T-s and h-s plots for the given set of inputs. Objectives: To create 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. The h-s plot…

AIM: Parsing NASA thermodynamic data using MATLAB programming. THEORY: NASA came up with polynomials that can be used to evaluate thermodynamic properties such as Cp, H and S. They have also documented the coefficients that are required to evaluate these polynomials for 1000+ species. Below figure shows the structure…

AIM: TO WRITE A CODE IN MATLAB TO OPTIMISE THE STALAGMITE FUNCTION AND FIND THE GLOBAL MAXIMA OF THE FUNCTION. CLEARLY EXPLAIN THE CONCEPT OF GENETIC ALGORITHM IN YOUR WORDS AND ALSO EXPLAIN SYNTAX FOR GA IN MATLAB. PLOT GRAPHS FOR ALL 3 STUDIES AND FOR ‘F’ MAXIMUM Vs NO.OF ITERATION. STALAGMITE: A STALAGMITE IS A TYPE…

AIM: TO CREATE A PENDULUM ANIMATION USING ODE45 IN BULID COMMAND IN MATLAB.   GOVERNING EQUATION OF PENDULUM: In the above equation, g = gravity in m/s2, L = length of the pendulum in m, m = mass of the ball in kg, b = damping coefficient. q = displacement. t = time in sec. HERE, INITIAT WE ASSUMED THE VALUES OF ABOVE…

% programming using for loop in forward kinematic %inputs l1=2 l2=1 theta1=linspace(0,90,10) theta2=linspace(0,90,10) ct=1 for i=1:length(theta1) THETA1=theta1(i); for j=1:length(theta2) THETA2=theta2(j); x0=0 y0=0 x1=l1*cosd(THETA1) y1=l1*sind(THETA1) x2=x1+(l2*cosd(THETA2)) y2=y1+(l2*sind(THETA2)) %Plotting plot([x0…