Curve fitting

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Aim : To perform design and simulation over a Centrifugal Pump and to plot the graph between pressure ratio and mass flow rate Theory:  Centrifugal pump is a hydraulic machine which converts mechanical energy into hydraulic energy by the use of centrifugal force acting on the fluid. These are the most popular…

Aim :   To create a 3D model of a flow bench and run the grid dependency test run flow analysis and obtain a plot of lift vs mass flow rate and find the effect of valve lift on the mass flow rate.    Introduction : The air flow bench can give a wealth of data about the characteristics of a cylinder…

Aim           To perform an external flow simulation on a NACA0017 airfoil and compare the drag and lift force for every angle of attack at 0,2,4,6,8,10 deg. Theory: Airfoil : An airfoil is term used to define the waterdrop shape of cross-section of an object like wings,blades,sails…

AIM : To simulate the transient state flow over a cylinder.OBJECTIVES:Calculate the Reynolds number for the baseline simulation and Run the baseline simulation.Conduct transient flow simulation for an increasing Reynolds number by a factor of 20%, 40%, and 100% of the baseline Reynolds number.Create animation…

AIM:  To Run a pipe flow simulation with an inlet Reynolds number of 100,1000 and 10,000. Objectives of the challenge: To run an internal pipe flow simulation with an inlet Reynolds number of 100, 1000 and 10,000 . For each of these cases we need to – Place line probes at 95%, 90% and 85% of the pipe length.…

  Introduction: A Cam and follower mechanism is a profiled shape mounted on a shaft that causes alever or follower to move. Cams are used to convert rotary to linear (reciprocating)motion. As the cam rotates, the follower rises and falls in a process known asreciprocating motion. The motion of the follower is restricted…

Objective:      To model piston assembly and to conduct motion analysis for different wrist pin offset position.   Theory: The piston’s function is to act as a moveable plug in the cylinder, forming the bottom part of the combustion chamber. There’s a gas-tight seal between the piston and…

AIM:            Constructing a Planetary gear system with four Planetary gear and analyzing the angular velocity for different cases.   INTRODUCTION:            Plnetary gear system or an epicyclic gear train is used to set defferent gear ratios by using…

Objective: To fins out five different frequency mode shapes of the given retational shaft and list the resonant frequencies as well. Theory: Frequency is number of cycles per unit time. Resonance is phenomena of amplification that occurs when the frequency of a periodically applied foece is in harmonic proportion to a…

Objective: Code to obtain the data from the converge output file and plot the graph according to the user input and to perform engine performance calculation. Main code: # Program to perform File parsing #Importing required modules import matplotlib.pyplot as plt import numpy as np from numpy import trapz #Taking inputs…

4. To perform a curve fitting between the temperature and specific heat vlaues given in the data file.   Theory: Curve fitting is the process of constructing a curve or mathematical function that has a best fit to series of data points possibly subjected to constraints. Curve fitting can involves either interpolation,…

Aim : To write a program to simulate the transient behaviour of a simple pendulum and to create an animation of its motion  This is the second order ODE given to us for damped oscillatory motion of a simple pendulum where, g=gravity in m/s^2            L=length of the pendulum in m  …

Objective: To write code that can solve an otto cycle and the requirements are  1.Code should create a PV diagram  2.Output the thermal efficiency of the engine Introduction: An otto cycle is an idealized thermodynamic cycle which describes the function of a typical spark ignition piston engine. It is the thermodynamic…

Objective : Program to simulate Rankine cycle. Theory: Rankine cycle is an ideal vapour cycle. It plays a major role in steam power plants.This cycle is mainly based on thr conversion of inputs heat energy into output power using turbine.The working fluid at the inlet repeatedly undergoes change of phase and in successive…

Objective: To parse the thermodynamic data file and to calculate the thermodynamic properties of a gas species present in that file. Introduction: File parsing means, how to read / write the information from any type of file and can be manipulated that data from the file for our convenience. Nasa has come up with this…

Program to solve a Second order Ordinary Differential Equation : In engineering, ODE is used to describe the transient behavior of a system. A simple is a pendulum. The second order Ordinary Differential Equation for a pendulum is given as: `(d^2theta)/(dt^2) +b/m (d theta)/(dt)+g/l*sintheta=0` In the above equation- g=gravity…