There are three numerical methods based on solver to solve the governing equation (Navier stokes equation) in Computational fluid dynamics. Basically, we already discuss the finite difference method and here we discuss the finite volume method and the third one is a finite element method. Finite Volume Method: The…
Vishavjeet Singh Yadav
updated on 29 Apr 2020
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Read more Projects by Vishavjeet Singh Yadav (20)
Week 5.2 - Literature review: ODE Stability
AIM: To understand the stability of an ODE and its effect on engineering simulation. Ordinary Differential Equation: It contains derivatives of one or more functions of an Independent variable. We need to determine the function or set of functions that satisfy the equation to solve an ODE. When does a ODE become…
29 Jan 2022 12:30 PM IST
Week 5.1 - Compact Notation Derivation for a simple Mechanism
AIM: Derive the compact Notation of simple Mechanism. Reaction Mechanism: In chemical kinetics, we use measurement of the macroscopic properties like,rate of change in the concentration of reactants or products with time, to discover the sequence of events that occur at the molecular level during a reaction. This…
21 Jan 2022 11:06 AM IST
Week 4.2 - Combustion Efficiency Calculation after Preheating
AIM To calculate the combustion efficiency after Preheating. OBJECTIVES Find the effect of the range of inlet air preheating from 298k to 600k on the adiabatic flame temperature. Find the effect of pre-heating temperature on combustion efficiency. Theory A Recuperator is often used in power engineering…
17 Jan 2022 11:14 AM IST
Week 4.1- Handling Mixtures with Cantera
AIM To work on the quantity class of the Cantera to create various mixtures. Objective Perform calculation of the adiabatic flame temperature of a gas mixture using quantity class. 1) Use the "moles" method/function of the A object(air) and explain how it was calculated. Now consider any hydrocarbon…
20 Apr 2021 07:08 PM IST
Week 3 - Adiabatic Flame Temperature calculation
AIM: To calculate the Adiabatic Flame Temperature. OBJECTIVES: 1) Plot the effect of equivalence ratio on the final adiabatic flame temperature and further compare the results with Cantera. 2) Find out the Adiabatic Flame Temperature of Methane Air Combustion in constant pressure with heat loss. 3) To examine the Adiabatic…
07 Apr 2021 05:38 PM IST
Challenge on Combustion
OBJECTIVES: 1) To Perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species’ in the simulation and also plot for CO2, H2O, CH4, N2, O2, NOx emissions & Soot formation. 2) To Observe the effect of adding the water content in the fuel.…
19 Oct 2020 06:42 PM IST
Gate Valve Parametric Study
AIM Parametric study on the Gate Valve. OBJECTIVES To understand the parametric study and perform simulation on the gate valve 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 flow factor for each opening and plot the graph. Discuss…
07 Oct 2020 02:54 AM IST
Cyclone Separator Challenge
Aim:- To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop. Objective: To study different empirical models used to calculate the cyclone separator efficiency. To perform an analysis on the cyclone separator model and understanding its working. To understand…
10 Sep 2020 06:07 PM IST
Conjugate Heat Transfer Analysis on a graphics card.
AIM Conjugate Heat transfer analysis on a graphic card model. OBJECTIVES 1) To Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. 2) To understand the mesh effect in the different regions using a coarse and fine mesh. 3) To understand the effect of velocity on the graphic card model…
20 Jul 2020 04:53 AM IST
Rayleigh Taylor Instability Challenge
OBJECTIVES 1) To understand Rayleigh Taylor Instability and some CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves. 2) To perform the Rayleigh Taylor Instability simulation for different mesh sizes and compare them. 3) To Find out the effect of Atwood number variation on Rayleigh Taylor…
04 Jul 2020 06:14 PM IST
Exhaust Port Challenge
OBJECTIVES 1. Discuss why Conjugate heat transfer is used!. 2. To simulate the Exhaust Port in fluent with maintaining the y+ value according to the turbulence model. 3. Calculate the wall heat transfer coefficient on the internal solid surface & show the velocity & temperature contours in appropriate areas.…
17 Jun 2020 04:33 AM IST
Ahmed Body Challenge
Objective 1) Significance and importance of the Ahmed body. 2) To simulate the Ahmed body and calculate the coefficient of drag and lift also perform the grid dependence test. Introduction Two distinct regions created when the air tends to curl downwards at the rear of the vehicle. (i) High pressure under…
28 May 2020 08:24 PM IST
To analyze the mixing effectiveness of the mixing tee using different turbulence model momentum ratios and lengths
OBJECTIVE: To analyze the mixing effectiveness of the mixing tee (Like pipe who has two Inlet and one Outlet) using different momentum ratios and different lengths. a) Find out Velocity and temperature contour plots along and across the pipe. b) Find out Velocity and temperature line plots along and across the length…
03 May 2020 11:50 PM IST
Finite Volume Method Literature Review
There are three numerical methods based on solver to solve the governing equation (Navier stokes equation) in Computational fluid dynamics. Basically, we already discuss the finite difference method and here we discuss the finite volume method and the third one is a finite element method. Finite Volume Method: The…
29 Apr 2020 04:26 AM IST
Simulation of flow through a pipe in OpenFoam using symmetry boundary condition
OBJECTIVE: 1) To develop a MatLab program that can generate the computational mesh automatically (in OpenFoam) for given angles using a symmetry boundary condition. 2) To simulate the flow through the pipe in OpenFOAM using icoFoam solver and post-process the result in paraFoam. 3) Compare the results obtained from…
24 Apr 2020 04:51 PM IST
Simulation of flow through a pipe in OPENFOAM
Objective: 1) To develop a MatLab program that can generate the computational mesh automatically (in OpenFoam) for any wedge angle and grading schemes. 2) Calculate the length of the pipe and show that entry length is sufficient to produce a fully developed flow. 3) Create a velocity profile using icoFoam solver…
23 Apr 2020 07:08 AM IST
Simulate the flow through a backward-facing step BlockMesh Drill down challenge using icoFoam solver
OBJECTIVE To simulate the flow through a backward-facing step using OpenFOAM ( icoFoam solver) and compare the velocity magnitude contours for the mesh grading factor of 0,0.2,0.5,0.8. Given Geometry with Boundry Condition: We are using the icoFoam solver to generate a backward-facing step which is a transient solver for…
17 Apr 2020 07:02 AM IST
Simulation of a 1D Super-sonic Nozzle flowusing Macormack Method
ObJECTIVE Numerical Simulation of Quasi 1D Supersonic Nozzle flow using Macormack Method implementing both the conservative and non-conservative forms of the governing equations & perform the grid dependence test. Conservative flow & Non-conservative flow Conservative and non-conservative form of flow are mathematically…
12 Apr 2020 06:49 AM IST
Solving the Steady and Unsteady heat conduction problem
1) Steady-state analysis To start the steady-state analysis, first, we make some assumptions: a) No convection b) No internal heat generation c) No change of temperature gradient (i.e. `frac{dT}{dt)=0`) so the general energy equation in 2D as, `frac{del^2T}{delx^2}+frac{del^2T}{dely^2}=0` Because…
25 Mar 2020 04:04 AM IST
Taylor Table Method and Matlab Code
1) Central Difference `frac{del^2f}{delx^2}` ~= `af_(i-2) + bf_(i-1) +cf_i +df_(i+1) +ef_(i+2)` In the central difference we solve the 2nd order derivative using taylor series method. we take (i-2, i-1, i, i+1, i+2) itterations to create a taylor table for simplifying our solution. * Write the 2nd order derivative…
05 Feb 2020 01:45 PM IST