Week 7 - Auto ignition using Cantera

AIM: Write a code which can perform tasks such as - Data Visualization : Take column values as input for respective column number and plot those values. Compatibility Check : Check if the provided data file (input file) is in appropriate format. If NOT, then print "File not recognized. Please provide a valid converge output…

AIM: Understand the basic concepts of Curve Fitting using Python and answer the given questions.   THEORY: Curve Fitting : It is the process of constructing a curve or a mathematical function, that has a best fit to a series of data points, possibly subject to constraints. Curve fit can involve either interpolation,…

AIM: Write a python program to simulate the motion of pendulum between 0-20 sec. Also, this is to be shown using an animation of the same pendulum.Here the following initial conditions are to used: L (Length of the string) = 1 metrem (mass of bob) = 1 kgb (Damping Coefficient) = 0.05g (Acceleration due to Gravity) = 9.81…

AIM: Write code that can solve an otto cycle and make plots for the same, based on the concepts that we have learnt during the forward kinematics routine. Also provide the following for the assignment: Code should plot a PV diagram for this cycle (Otto) Print the thermal efficiency for the same.   THEORY: The topics,…

AIM: Writing a code which takes into account all the reactions from GRI mechanism and evaluates 10 most sensitive reactions, where the sensitivity parameter is be w.r.t temperature. The program should show the reaction strings in order of greatesr sensitivity to the least sensitivity. The program should be parametric,…

AIM: Plotting the variation of Auto Ignition time of methane with a constant temperature of 1250K and pressure varying from 1 atm to 5 atm. Plotting the variation of Auto Ignition time of methane with a constant pressure of 5 atm and temperature varying from 950K to 1450K. Observing and printing the rate of change of molar…

AIM: Solve the given set of equations using Implicit Euler Method/Backward Differencing, incorporating numerical jacobian. For this, it is expected that we assume the initial conditions as: `y_1`=1, `y_2`=0, `y_3`=0 We have are expected to run the simulation for 10 minutes and select an appropriate step size…

AIM: To write a literature review on ODE Stability and answer the given important question concerning ODE stability. THEORY: As disucssed in the video lecture, the two ways to numerically solve an ODE system: Explicit and Implicits Integration scheme (also called Backward Difference Scheme). These methods are approaches…

AIM: Derive the reaction rate ODEs of a simple reaction mechanism and write down the desired matrices.   INTRODUCTION:         In this assignment we are expected to derive reaction rate ODEs for the given simple reaction mechanism and write down the desired matrices which may include the Stoichiometric…

AIM: Studying the effect of preheating on AFT. Writing a code to study thid effect by altering the preheating temperature within the range 298K to 600K. Plot the effect of pre-heating temperature combustion efficiency.   INTRODUCTION: In this assignment we are going to study the effect of preheating in the AFT and…

AIM: To use 'moles' method in cantera and explain the calculation performed for the same. Using mass_fraction_dict() method/function for A object and explain the obtained results. Explaining ehat 1546 in 'CH4:1546" mean and whether or not it is reasonable. To make necessary change in the program to obtain the correct AFT…

AIM:  1. To study the effect of equivalence ratio with the Adiabatic Flame Temperature in constant volume chamber. Fuel used is Methane (CH4). Compare the results obtained with the ones obtained using the cantera approach. 2. Calculating AFT of CH4 with heat loss of 0.35 in constant prsessure chamber. 3. Plotting…