Week-6 : Turbocharger Modelling

Aim : Turbocharger Modelling objectivie : List down different TC and locate examples from GT Power Explore tutorial number 6 and 7 Plot operating points on compressor and turbine maps In which application Variable Geometry Turbine is beneficial? Explore example- Diesel VGT EGR and understand the modeling part theory : …

Aim: Basic Calibration of Single cylinder CI-Engine objective:  1.Compare SI vs CI and list down differences (assignment no 2-SI) 2.Comments on following parameters BSFC Exhaust Temperature A/F ratios 3.Change MFB 50 and observe impact on performance theory: A diesel engine is a type of internal combustion…

Aim: Basic Calibration of Single cylinder SI-Engine objective:  1.Run the case at 1800 rpm and list down important parameters  air flow rate BMEP BSFC In-cylinder pressure 2. Increase the power output at 3600 rpm by 10%  theory :  SI engine: An SI engine, or Spark Ignition engine, is a type…

Aim:Exploring the GUI of GT-POWER objective: Explore the GUI of GT SUITE and list down modules available with brief description.  Locate following settings: Time control flag Time step and solution control Integrator/Solver type Explore intercooler tutorial and note down all settings of: Run setup  Advanced setup …

Q1 What is the Compression ratio for the engine ? ans:  The compression ratio of an engine is the ratio of the volume of the combustion chamber when the piston is at the bottom of its stroke (bottom dead center) to the volume of the combustion chamber when the piston is at the top of its stroke (top dead center). It is…

Aim: Emission characterization on a CAT3410 engine objective: run simulations with both these pistons and characterize the emissions (Soot, Nox and UHC) Create cut-plan animations showing Soot, Nox and UHC and compare them between the omega and the open-w pistons.  theory: Piston: A piston is a component of I.C. engine;…

Aim: Validation studies of Symmetry BC vs Wedge BC in OpenFOAM vs Analytical H.P equation objective: 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…

Aim: Simulation of Flow through a pipe in OpenFoam objective: simulate an axi-symmetric flow by applying the wedge boundary condition. The flow is laminar and flows through a constant cross-section pipe at an inlet Reynold's number of 2100. You can do a transient or steady state simulation and you will validate your…

Aim:-Simulating Combustion of Natural Gas. objective:- 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. add the water content in the fuel from 5% to 30% by mole…

Aim:- CHT Analysis on a Graphics card objective:- 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 simulation has achieved convergence with appropriate…

Aim:- CHT Analysis on a Graphics card objective:- 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 simulation has achieved convergence with appropriate…

Aim:-FULL HYDRO case set up (PFI) objecive :- run full hydro simulation for previoulsy done set up before that ned to ad spay modeling and combution modeling With the inputs provided in the challenge description, find out the following 1. What is the compression ratio of this engine? 2. Why do we need a wall heat transfer…

aim: Surface preparation and Boundary Flagging (PFI) objective; 1, Boundary Flagging. 2, Surface preparartion. NO HYDRO case set up,  create an animation for NO HYDRO simulation theory:  A spark-ignition engine (SI engine) is an internal combustion engine, generally a petrol engine, where the combustion process of the…

Aim: -Literature review - RANS derivation and analysis objectie: Apply reynold's decomposition to the NS equations and come up with the expression for reynold's stress. Explain your understanding of the terms reynold's stress What is turbulent viscosity? How is it different from molecular viscosity? theory: reynolds number: is…

Aim:- Shock tube simulation project objective:- Setup a transient shock tube simulation Plot the pressure and temperature history in the entire domain - Explain the result Plot the cell count as a function of time   shock tube The shock tube is an instrument used to replicate and direct blast waves…

Aim:- Conjugate Heat Transfer Simulation objective:- Setup a flow simulation through a pipe Inlet Reynolds number should be 7,000 Turbulence modelling - K-Epsilon Supercycling parameters  Grid dependence test Start with an initial base grid Run grid dependence test on 3 grids and show that the outlet temperature…

Aim:- simulation of  Prandtl Meyer Shock problem objective:- 1. Shock flow boundary conditions Do a literature search on what BC's are typically used for shock flow problems 2. What is a shock wave? In your own words, describe the physics behind shock waves 3. Effect of SGS parameter on shock location In the…

Aim:-Transient simulation of flow over a throttle body objective:- Setup and run transient state simulation for flow over a throttle body. Post process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate and total cell count.…

Aim:-Steady state simulation of flow over a throttle body objective:- Set up and run the steady state simulation for flow over throttle body. Post process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate and total cell count.…

Challenge 3 Aim Flow over a backward facing step Objective: run the case for three different base mesh sizes dx = dy = dz =2e-3m dx = dy = dz =1.5e-3m dx = dy = dz =1.0e-3m introduction: Backward Facing Step (BFS) problem is one of the intriguing problems in the field of Turbulence Fluid Dynamics. In this problem, the…

Challenge 1   Aim:- Channel flow simulation using CONVERGE CFD Objective: need to run 3 simulations and compare the results between all the 3 simulations. 3 different base mesh sizes are,  dx = 2e-4m,              dy = 2e-4m,       dz = 2e-4m  dx = 1.5e-4m, …

objective 1. What does popt and pcov mean?  2. What does np.array(temperature) do? 3. What does the * in *popt mean? 4. Write code to fit a linear and cubic polynomial for the Cp data. Explain if your results are good or bad.  5. What needs to be done in order to make the curve fit perfect? 6. Show empirically as to how…

objective write a program that solves the following ODE. This ODE represents the equation of motion of a simple pendulum with damping using pythone ode function can also be solve which can be seen in up coming simple pemdulum proble solution solution procedure using ode function first order ode can be solved but simple…

objective   write code that can solve an otto cycle and make plots for it. Here are the requirements 1. Your code should create a PV diagram 2. You should output the thermal efficiency of the engine. problem statement: python code is writen to calculte the parameters of otto cycle and plot pv diagram of cycle solution…

Week 8 Aim: - 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 separator model by varying the particle diameter…

Challenge 9 Aim: perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%. Objective: 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…

Challenge 3   Aim: simulation of External flow simulation over an Ahmed body. Objective: Run the simulation for the velocity of 25 m/sec with the default air properties in fluent. Introduction: Ahmed’s body: -it is simplified vehicle model the airflow around the Ahmed body captures the essential flow features…

Challenge 5 Aim: - CFD simulation of Rayleigh Taylor Instability of air and water for different mesh parameters and user material and water for different mesh length Objective: - What are some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves? In your own words, explain how…

  challenge 4 Aim: - cfd simulation of exhaust port and calculation of convection heat transfer coefficient for outer surface Objective: - 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 the wall/surface…

  Challenge-2 Aim:- Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street 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 Reynolds number to 10,100,1000,10000…

Challenge 1 Aim: - set up steady-state simulations of Mixing tee to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C.  for Momentum ratio 2 and 4 when hot inlet velocity is 3 m/s Introduction: - Mixing t is used to mix to fluid we are simulating mixing of air hot…

https://drive.google.com/file/d/15Qopwq5zQLFGQ2gZYr41dQDgqrAoO7fH/view?usp=sharing meshed file Fig 1 project file imporeted to ANSA  Fig 2 geometric errors Fig 3 Geometric errors removed  Fig     Project 1   The steps involved in solving project problem as follows: - Check for geometry error Firstly,…

https://drive.google.com/file/d/1-Yf-vtWo8HSDqOrk26jtPImBDBmMTwOC/view?usp=sharing unwanted surface removed file https://drive.google.com/file/d/1RGN5bl9L3q_gDM6AC-YbNbVt-1McpPio/view?usp=sharing surface wrap model Fig 1 unwanted surface removed engine model  Fig 2 Unwanted surface removed transmission  Fig 3…

https://drive.google.com/file/d/1zJoNvILb6jr53b6XPVlTn4WSn6gSbpUJ/view?usp=sharing pre volumetric mesh files https://drive.google.com/file/d/1i05mGv3dL07WMoV32UQ2tifWsks9Wz7V/view?usp=sharing volume meshed file   Fig 1 intial file imported with errors   Fig 2 showing the half part used fig 3 error removed for…

https://drive.google.com/file/d/18dp2nV7ADMwmVc9I_Myx3HEShG25vFF_/view?usp=sharing volumetric meshed file drive link(uploaded in drive because the file was not uploading in answer box) error in file shown in above figs error solved  fig shown in above figs meshed parts shown here volumetric meshed part is shown here explaination…

fig 1a error check geometry fig 1(b) error check geometry   all figure showing  single cons on workpiece in differnt views fig 2 showing all single cons removed  here show ing error of presence of triple con but these are not error because these triple cons are unavoideble and there is a clear contact of…

Finite volume method (FVM):- iv evaluating partial differential eqn in the form of algebraic  eqn similar to fea or fdm values are calculated at mesh grid point In FVM the entire fluid volume is divided into number of cells each associated with finite volume. The governing eqn are solved at the centroid of each cell.…

open terminal open foam tutarioal using shortcut tut open cavity file using below command cd incompressible/icoFoam/cavity/ copy cavity file to run file with name of test_cavity using this command cp -r cavity $FOAM_RUN/test_cavity   To create block/backward facing step geometry  first the copied file is saved…

  %main program clear all close all clc % Initializing the domain L = 3; % Length of Nozzle nx = 31; % x = linspace(0,L,nx)'; % dx = x(2)-x(1); % C = 0.5; % Courant Number nt = 1400; % Time steps gamma = 1.4; % Constant Value A = 1 + 2.2*(x-1.5).^2; % Nozzle area profile % Computing the Flow Variable % Non-Conservation…

%function for steady state heat conction function T=jocobi_method_solver(dx,dy,k,T,Told,nx,ny,tol,error,jocobi_iter,x,y) while (error>tol) for i=2:nx-1 for j=2:ny-1 term1=((Told(i-1,j)+Told(i+1,j)))/(k*dx^2); term2=((Told(i,j-1)+Told(i,j+1)))/(k*dy^2); T(i,j)=term1+term2; end error=max(max(abs(T-Told))); Told=T; jocobi_iter=jocobi_iter+1;…

clear all close all clc %x value x=pi/4; %dx value equaly devided into 10 from pi/3 to pi/30 dx=linspace(pi/3,pi/30,10); %berfore solving using numerical method first calculate for analatucal %method analytical=-2*exp(x)*sin(x); % A1,B1 is defined form taylor table A1=[1 1 1 1 1 ;-2 -1 0 1 2;2 1/2 0 1/2 2;-4/3 -1/6 0 1/6…

%genetic algorithum clear all close all clc %Defining our search space to be optimized. %%one dimesional x = linspace(0,0.6,150); y = linspace(0,0.6,150); %creating 2dimiensional grid [x, y] = meshgrid(x,y); % evaluating the stalagmite function for i = 1:length(x); for j = 1:length(y); input_vector(1)= x(i,j); input_vector(2)=…

%main program clear all close all clc % read file f1=fopen('THERMO .dat','r'); g=fgetl(f1); A=fgetl(f1);%this line gt=strsplit(A,' '); temp_min=str2num(gt{2}); temp_mid=str2num(gt{3}); temp_max=str2num(gt{4}); temp=linspace(temp_min,temp_max,500); R=8.314; g=fgetl(f1); g=fgetl(f1); g=fgetl(f1); n=input(' enter element…

clear all close all clc disp('1-2 is isentropic expansion'); disp('2-3 is constant pressure heat rejection'); disp('3-4 is isentropic compression'); disp('4-1 is constant presure heat addion'); p1=input('enter the presure at inlet of turbine=');%presure at inlet of turbine in bar t1=input('enter the temprature at inlet…

https://drive.google.com/file/d/1hfGQ8GIQXEsU3mWDS17-3fnxsWsO1ohw/view?usp=sharing %function is defined function [dtheta_dt]=ode_func(t,theta,b,g,l,m) theta1 =theta(1); theta2 =theta(2); dtheta1_dt=theta2; dtheta2_dt=-(b/m)*theta2-(g/l)*sin(theta1); dtheta_dt=[dtheta1_dt;dtheta2_dt]; end clear all close all clc % input…

https://drive.google.com/file/d/1bwxpzmQWdl4Wzjpfy4yGcB9qKP0qiprS/view?usp=sharing %creating kinematic link animation close all theta1=linspace(0,90,10); theta2=linspace(0,90,10); l1=1; l2=0.5; ct=1; for i=1:length(theta1); x=theta1(i); for j=1:length(theta2); y=theta2(j); x0=0; y0=0; x1=l1*cosd(x); y1=l1*sind(x); x2=x1+l2*cosd(y);…

Q1 -->> %design parameter for dc motorclcclear all J=0.01;%moi of motor kg*m^2Ba=0.1;%motor viscuous force N-m-skm=0.01;%back EMF V/rad/skt=0.01; %motor torque constant N-m/ampRa=1;%resistance of the armature ohmLa=0.5;%inductance of the armature circuit in Henrywh% for joccobian matricesA=[-Ba/J kt/J;-km/La -Ra/La]B=[0;1/La]zeta=0.5;fn=1wn=2*pi*fnp1=-zeta*wn+wn*sqrt(zeta^2-1);p2=-zeta*wn-wn*sqrt(zeta^2-1);p=[p1;p2]K=place(A,B,p)…

project  editor:- clcclear allx=xlsread('vi.xlsx','A1:A25')% x is voltage from xlsx sheet from A1 to A25 y=xlsread('vi.xlsx','B1:B25')% y is current value in amp from xlsx sheet from B1 to B25[V] =[-17.2 -17.1 -13.8 -13.5 -13.0 -12.5 -11 -9 -5.76 -6 -1 0.11 0.25 0.5 0.61 0.8]% this the voltage at which xq=[-17.3:0.1:0.9]scatter(x,y);hold…