Mixing efficiency

Aim: To simulate the full hydro case for the PFI using converge CFD. Objective: The main objective of this project is as follows 1. What is the compression ratio of this engine? 2. Why do we need a wall heat transfer model? Why can't we predict the wall temperature from the CFD simulation? 3. Calculate the combustion efficiency…

Apply reynold's decomposition to the NS equations and come up with the expression for reynold's stress. Explain your understanding of the terms reynold's stress What is turbulent viscosity? How is it different from molecular viscosity? What is turnulence? Turbulence is the state of chaotic and unstable fluid flow. First…

Aim: To run the simulation of two type of piston bowl and characterize the emission(soot, Nox, UHC). W-type piston / Open W piston Omega piston / Re-entrant piston Create cut-plan animations showing Soot, Nox and UHC and compare them between the omega and the open-w pistons.  Compare the imep and power values graphically.…

Aim:  To simulate the No-hydro case for the PFI using converge CFD. Objective:  Boundary Flagging.  Surface preparartion.  Show mesh on dfferent slices at different time steps. In an animation, all the valves and piston should move according to the crank angles.  Surface preparation and boundary…

Objective: To simulate the flow through the solid pipe "Conjugate Heat transfer" and understand super cycling. We have to perform the following tasks: Baseline configuration Setup a flow simulation through a pipe Inlet Reynolds number should be 7,000 HINT : Use the below formula to calculate velocity for corresponding…

Aim: To simulate the prandtl Mayer shock flow in converge CFD 1. Shock flow boundary conditions. Do a literature search on what BC's are typically used for shock flow problems. 2. What is a shock wave? In your own words, describe the physics behind shock waves. 3. Effect of SGS parameter on shock location. In the Prandtl…

Objective: To simulate (Transient) the flow of fluid over the throttle body in a converge studio and post process the results. Show the  pressure and velocity contours. Show the mesh (surface with edges). Show the plots for pressure, velocity, mass flow rate and total cell count.   show the calculations…

Objective: To simulate (Steady state) the flow of fluid over the throttle body in a converge studio and post process the results. Show the  pressure and velocity contours. Show the mesh (surface with edges). Show the plots for pressure, velocity, mass flow rate and total cell count.  Basic of throttle valve:…

The Evaluation of Adiabatic Flame Temperature using python and Cantera Write a program to analyze the effect of equivalence ratio on the final adiabatic flame temperature of methane contained in a constant volume chamber and also compare the results obtained from cantera. Write a program to analyze the effect of frictional…

Aim  Aim of this challenge is understand the conjugate heat transfer type problem and run the simulation of exhaust port of engine. Objectives:   Give a brief description of why and where a CHT analysis is used. Maintain the y+ value according to the turbulence model and justify the results.  Calculate the…

Aim:- To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.   Objective:- To write a few words about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator model by varying the particle…

Aim  Perform a combustion simulaion on a combustor model and plot the mass fraction of the different species at different line prob. Objective: Part I: Perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species’ in the simulation using line…

To perform parametric study on gate valve Objective For this challenge, you will have to perform a parametric study on the gate valve simulation 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…

Objective To study the importance of ahmed body model and the significance effect of the point of separation and the reason for the negative pressure in the wake region.  To run the steady state simulation of the flow over the ahmad body. To plot the velocity and pressure contours. Also plot the vectot plot which…

Simulation of flow over the cylinder and study of von karman vortex street Goals Simulate the flow over a cylinder and explain the phenomena of karman vortex street. First of all we simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100 in unsteady case. Calculate the coefficient…

Objective The objective of this project is to  Perform the simulation with Symmetry Boundary Condition of the wedge geometry. You should have results obtained from solving the Hagen Poisuelle\'s equation You should have results obtained from simulating the pipe flow with the wedge BC You should obtain results for…

Project title: Steady-state simulations on the mixing tee geometry Goals: 1. The main objective of this project is to find out the aerage temperature at the outlet of the mixing tee geometry 2. To setup simulations to compare thermal mixing effectiveness in a t-junction. 3.To compare k-epsilon and k-omega turbulent models.…

Objective Describe the need of interpolation schemes and flux limiters in FVM. Finite Volume method Finite volume method is a numerical technique that transform partial differntial equations representing conservation laws over differential volumes into discrete algebraic equations over finite volumes ( or elements or cells).…

Goals In this problem we use the openFoam icoFoam solver to simulate the flow through the backward facing step. We will also create the multiple meshes and compare the results. The Purpose of this project is to familiar with the performing a simulation of internal, laminar, incompressible flow in a channel over a backward-facing…

Main object of this project is to solve the 1D super-sonic nozzle flow using numerical method (Maccormack method) for both conservative and non-conservative form. We consider the steady, isentropic flow through a convergent-divergent nozzle as sketched in the following figure The flow at the inlet to the nozzle comes from…

Mid term project-  Solving unsteady and steady 2D heat conduction problem Assumptions: 1. The domain is unit square. 2. nx=ny, no of grid points along the x-direction is equal to the no of grid points along the y-      direction. 3. Temperature specify on the boundaries are (i) left 400K   …

Taylor series is used to aproximate the values of derivatives at a certain through various approximate scheme. The drivative at a node is measured with the help of the data at the surrounding node.The order of the scheme is indicates that the how fast the error decreases when the node spacing is reducing. The higher the…