Week 2 - Flow over a Cylinder.

Aim: To Perform heat transfer analysis in Battery. Introduction& Theory: Battery:  Is a source  of  generating electric power measured by  flow rate per time by whiich electrical energy is transferred to  electric circuit, consisting of one or more electrochemical cells  capable of generating…

Aim:- To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.    Introduction & theory: As the cyclone is essentially a two phase particle-fluid system, fluid mechanics and particle transport equations can be used to describe the behaviour of a cyclone.…

Aim: To simulate Gate valve . Introduction & theory: A gate valve is generally used to completely shut off fluid flow or, in the fully open position, provide full flow in a pipeline. Thus it is used either in the fully closed or fully open positions. A gate valve consists of a valve body, seat and disc, a…

Aim:To Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. Introduction& theory:                                                      The Conjugate…

What is Rayleigh-Taylor instability?   Inversion in density develops gravitational instability at the interface between two fluids of contrasting densities, where the relatively low-density fluid pushes the overlying denser fluid.This kind of instability termed Rayleigh–Taylor (RT) instability . The classical…

AIM: To perform Conjugate heat transfer analysis. Introduction& theory:                                                    The Conjugate Heat Transfer (CHT) analysis type allows…

Aim:To simulate for the velocity of 25 m/sec with the default air properties in fluent  Case1:250,100 mm mesh Drag_coff(Cd)=wall-fff-enclosure_enclosure 213.04291   lift_coeff(Cl)=wall-fff-enclosure_enclosure 537.15693      case2:100,50mm lift_coeff(Cl)=car_wall 8.9147035   drag-coeff(Cd)=car_wall…

Aim: To flow over a cylinder and explain the phenomenon of Karman vortex street.         About Reynolds no: The Reynolds no (Re) is a dimensionless  number after the Osborne Reynolds, defined as the ratio of Inertial forces to the viscous fluids, given as                                          …

Aim: For Given  models, check for the geometrical errors and delete surfaces which are unwanted for Surface wrap.   Steps: Open the model from the directory Geometry cleanup & PIDs Topo Hot points__ insert,project,parametrical,delete,release. Cons_paste,release, fill hole, project. Faces_new,cut,delete,set PID,Topo,Projectcut,…

Aim:  For Given model, check and solve all geometrical errors on half portion and Assign appropriate PIDs. Perform meshing with the given Target length and element Quality criteria. steps: Open the model from the directory Geometry cleanup: Topo Hot points__ insert,project,parametrical,delete,release. Cons_paste,release,…

Aim:  For Given model, check and solve all geometrical errors on half portion and Assign appropriate PIDs. Perform meshing with the given Target length and element Quality criteria. steps: Open the model from the directory   Geometry cleanup: Topo Hot points__ insert,project,parametrical,delete,release. Cons_paste,release,…

Aim: Flow through Tee_joint Medium of Flow:Air, through  pipe flow (aluminium) Properties of air: Density Specific heat Thermal conductivity viscosity Molecular weight State Entropy Temperature Charcateristic length Pressure Specific Volume Momentum velocity mass Properties of Aluminium: Density Specific heat Thermal…

Aim:  To Check for Geometrical errors  for appropriate volumes. Objective : To solve Geometrical errors & to  do volume mesh. step1: File_open_geometry from directory step 2: To clean Up  geometry by using Topo_faces_delete_ to delete overlapping surfaces. Topo_faces_intersect_to Errase intersection…

AIM: To perform the surface Mesh for the Geometry. Objective: The main objective is to find Geometrical errors & perform Topology cleanup. Process: step1:file _open _geometry from directory   step2:cleanUp geometry Topo_faces_New surfaces_create Topo_CONS_fill hole   step3: To  differentiate into …

Finite Volume Method:   Finite volume  method is introduced for Complex geometry's so here instead of writing Equations for single point we are writing for Entire Volume. We have volume ,may be cube, tetrahedral,polyhedral etc., inside this particular volume the flow is conserved,the flow quantity…

AIM:  To simulate an axi-symmetric flow by applying the wedge boundary condition. Code Explanation: First We are creating Topology  of Geometry. In order create a Topology we need Vertices,  Hexa Blocks, Boundarys of the Geometry. A point is a location in 3-D space, defined by a vector in units of metres…

AIM: To simulate an axi-symmetric flow by applying the wedge boundary condition. Code Explanation: First We are creating Topology  of Geometry. In order create a Topology we need Vertices,  Hexa Blocks, Boundarys of the Geometry. A point is a location in 3-D space, defined by a vector in units of metres (). The points are…

AIM: TO you are going to simulate an incompressible-laminar-viscous flow through the backward facing step geometry. /*--------------------------------*- C++ -*----------------------------------*\ ========= | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / O peration | Website: https://openfoam.org \\ / A nd |…

AIM:   To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle We consider steady, isentropic flow  through convergent_Divergent nozzle.The flow at the inlet comes from the reservoir where the pressure, temp  are denoted by p0,T0 respectively.The cross_sectional area of the reservoir is large (theroticallyA=infinity)…

Aim: Steady state analysis & Transient State Analysis Conduction: Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules. Conduction occurs more readily in solids and liquids, where the particles are closer together than in gases, where particles are further…

Agenda: Need for  higher order Schmes because Accuracy that  Plays an important role Accuracy obtained by:    Requires fewer grid points in total              Captures  the  information with resolution,Ie.,Information is nothing but flows in our domain…

Washing Machine:Washing machine is  a machine used for washing cloths.     Components of Washing Machine: Water pump: The water pump is located inside the washer, so you can’t actually see it. The pump has a double duty of circulating water during the cycle as well as draining the water once the…

Aim: To draw an circuit diadram for Electric bell. Components required : Battery,switch,solenoid element,Ideal translational motion sensor. working process: Due to battery source that we are provided,the current I flow through the circuit diagram ,& it is controlled by the switch  & by pulse generator …

   AIM=To create   Rankine  cycle  The Rankine cycle is an idealized thermodynamic cycle of a constant pressure heat engine that converts part of heat into mechanical work. In this cycle, the heat is supplied externally to a closed loop, which usually uses water (in a liquid and vapor phase) as the working fluid. Here …

clear all close all clc %Header reaading file f1=fopen('Thermo_data.txt','r'); line1=fgetl(f1); for i=1:4; line2_4= fgetl(f1); end %Reading temp values for j=1:53; tline=fgetl(f1);% %string_group of characters is in the form of single cell array A=strsplit(tline,' ');%to split into multiple cell arrays species=A{1}; t_low=str2num(A{end-3});%string…

%Statistical Behavior of STALAGMITE FUNCTION close all clear all clc %search space[intialisation of poulation of chhromozomes/datapoints/parents x=linspace(0,0.6,150);%population of size with in limits[0,0.6] y=linspace(0,0.6,150);%population of size with in limits[0,0.6] num_cases=50%no iterations is equal to no of crossings(x,y)…

    clcclear allclose all % To simulate simple pendulum ,springs ,dampers .%Simulate the motion between 0-20 sec, for angular displacement=0,angular velocity=3 rad/sec at time t=0.%formula%Rate of change=change in y/change in x;%Angular velocity= AngularDisplacement of Theta along y/Time along x%dv/dt=dtheta/dt%Angular…

clc clear all close all l1=1%length of link1 l2=0.5%length of link2 theta1=linspace(0,90,10);%A point1 has total 10 different no of angles of rotation(action) theta2=linspace(0,90,10);%A point has total 10 different no of angle of rotation ct=1 for i=1:length(theta1)%repeating the same action for different angles for angle…