Frequency Analysis of a rotating shaft

Aim: To perform frequency analysis on a circular disc mounted on a stepped shaft. Model: A circular disc with stepped shaft is as shown in figure below, The dimension for the model are as follows, Diameter of disc = 100mm Thickness os disc = 10mm Shaft Diameter = 20mm Shaft Length = 300mm The taper part of shaft is 12.5mm…

Aim: To perfrom buckling analysis on cyclone separator stand and determine optimum location for the stiffner. Introduction: When long vertical support elements of a structure are subjected to a vertical load then the support element fails due to buckling. Structural members are generally designed for a buckling factor…

Aim: To perform static stress analysis on beams of different cross-section and choose best one out of them. Introduction: Beam is a structural element that primarily resists loads applied laterally to the beam's axis. It's mode of deflection is primarily by bending. The total effect of all the forces acting on the beam…

Aim: To perform flow simulation through Flowbench Objective: To model a flowbench and perform grid dependece test to find the optimal mesh size and to perform flow simulation to find effect of valve lift on mass flowrate. Theory: An flow bench is a device used for testing the internal aerodynamic qualities…

Aim: To write a python script to extract useful information from CONVERGE output file for engine analysis Python Script: """ File parsing and Data visualization using Python """ import numpy as np import matplotlib.pyplot as plt # File validation and extracting column names and units line_count = 1 for line in open('engine_data.out','r'):…

Aim: To evaluate the motion of simple pendulum by solving ODE using MATLAB Theory: In Engineering, ODE is used to describe the transient behavior of a system. A simple example is a pendulum. The way the pendulum moves depends on the Newtons second law. When this law is written down, we get a second order Ordinary Differential…

Aim: To fit a linear and cubic curve on a given dataset of temperature and specific heat using python Theory: Curve fitting is a process of construction of a curve or a mathematical function, that has a best fit to a series of data points. Fitted curve or mathematical function can be used to infer value of function at…

Aim: To fit a linear and cubic curve on a given dataset of temprature and specific heat Theory: Curve fitting is a process of construction of a curve or a mathematical function, that has a best fit to a series of data points. Fitted curve or mathematical function can be used to infer value of function at points where no…

Aim: To calculate minimum pressure required to break ice with air cushion vehicle using Python Theory: The relation between cushion pressure and thickness of ice field is given by the equation, where, p = cushion pressure, h = thickness of ice field, β is related to the width of the ice wedge = 0.5, r = size of the…

Aim: To evaluate the motion of simple pendulum by solving ODE using Python Theory: In Engineering, ODE is used to describe the transient behavior of a system. A simple example is a pendulum. The way the pendulum moves depends on the Newtons second law. When this law is written down, we get a second order Ordinary Differential…

Aim: To plot PV diagram for air standard otto cycle and calculate thermal efficiency using Python Theory: Thermodynamic cycles are the most fundamantal part of any powerplant or an engine. Different thermodynamic cycles are otto cylce, diesel cycle, dual cycle. rankine cycle etc. Among all these PV diagram of otto cycle…

Aim: To study kinematics of 2R Robotic Arm and create animation of its motion using MATLAB. Description: 2R robotic arm is a robotic arm consists of two links. First link is generally connected with ground from one end and other end is connected with second link. A manipulator is attached at another end of second…

Aim = To find variation of aerodynamic drag on a cyclist with velocity. Governing Equation: The aerodynamic drag is given by the equation, `F` = 0.5 * `rho`*`v^2`*`Cd` where,     `F` = Aerodynamic Drag Force     `rho` = Density(`kg/m^3`)     `v` = Velocity(`m/s`)     `Cd`…

Aim: To perform flow analysis on NACA0017 airfoil Objective: To model NACA0017 airfoil and perform flow simulation for am angle of attack of 0, 2, 4, 6, 8 and 10 degree and compare lift and drag forces. Theory: An airfoil or aerofoil is the cross-sectional shape of a wing, blade, or sail. An airfoil-shaped body, when moving…

Aim: To perform flow simulation over cylinder Objective:  To perform flow analysis for certain flow velocity and then Reynold number is to be increased by 20%, 40% and 100% to study its effect. Theory: Reynold number is given by the equation, `Re = (rho v D)/mu` where, `rho` = Density of working fluid (`(kg)/m^3`)…

Aim: To perform motion analysis on IC Engine Valve Train Objective: The main objective to model different parts of IC Engine Valve Train, assemble them and perform motion analysis for following cases: Sr. No. Cam Lift (mm) Speed (RPM) Material 1 3.5 1500 Cast Carbon Steel 2 6 1500 Cast Carbon Steel   Theory: During…

Aim: To perform motion analysis on Piston Assembly Objective: The main objective is to design different parts of piston assembly, assemble them and then perform motion analysis on it for following cases. Sr. No. Wrist Pin Offsert Crank Speed (RPM) 1 0 mm 2000 2 10 mm Positive 2000 3 10 mm Negative 2000   Theory: The…

Aim: To perform motion analysis on Planetary Gear Mechanism Theory: A planetary gear mechanism consists of a ring gear, a sun gear, planet gears and a carrier. The dimensions of the gears are as follows: Modulus = 2.5mm Sun Gear: Number of Teeth = 14 Pitch Circle Diameter = 14*2.5 = 35mm Ring Gear: Number of Teeth = 46…

Aim: To perform motion analysis on Internal Geneva Mechanism Theory: Geneva mechanism is a pair of rotating components which converts continuous rotary motion into intermittent rotary motion. They are mainly of two types: 1)External Geneva Mechanism 2) Internal Geneva Mechanism   Motion Analysis: Motion analysis is…

Aim: To determine behaviour of a suspension system Objective: To take input from user such as damping coeffiecient, spring stiffness and mass and use that to determine the behaviour of the system, whether it is overdamped, critical damped or underdamped system and plot the response curve.  Theory: Suspension system…

Aim: To find state points of rankine cycle and plot T-S and H-S diagram. Theory: Rankine cycle is the most basic thermodynamic cycle for any steam powerplant. It starts with heating of water in boiler at constant pressure to produce steam. The steam produced is then isentropically expanded in turbine to produce work. After…

Aim: To extract data from therm.data file and plot graph for relation of temprature with specific heat, enthalpy. entropy for different elements. Theory: Data parsing is a process of extracting data from a file and use that data for further calculation or study or making some important comclusions. In the study presented…

Aim: To find global maximum of stalagmite function using Genetic Algorithm using MATLAB Theory: A genetic algorithm is inspired from natural evolution. It reflects the process of natural selection where the fittest individuals are selected for reproduction in order to produce offspring of the next generation. It involves…

Thermodynamic cycles are the most fundamantal part of any powerplant or an engine. Different thermodynamic cycles are otto cylce, diesel cycle, dual cycle. rankine cycle etc. Among all these PV diagram of otto cycle is being visualized with Matlab here. Otto cycle consists of four process: two constant pressure process…