Week 4.2: Project - Transient simulation of flow over a throttle body

AIM: To simulate, analyze and compare the significance of both omega and open-w pistons. DESCRIPTION: In this project we demonstrate the diesel engine simulation and the characteristic difference between open-w type piston and omega type piston. The simulation will be a close sector analysis with a 60 degree angle and…

AIM:  To set up a combustion simulation with the details given in the challenge and study different properties of combustion by post-processing the results obtained by the calculation of the full hydro-dynamic set-up for the given geometry. OBJECTIVE: To explain the compression ratio of the engine To describe need…

AIM: The Tasks that need to be performed on the given geomtery model are 1, Boundary Flagging. 2, Surface preparartion. DESCRIPTION: For the model to check the geometry diagnosis and look for the errors in surface and fix them accordingly and then to do the boundary flagging for the same. Opening the model in Converge…

AIM: To simulate an incompressible-laminar-viscous flow through the backward facing step geometry. To perform a transient simulation.Choose the inlet velocity such that the flow is laminar. After that, perform 2 case studies compare the results. Case 1 - Simulate the flow without using any grading factor (i.e., GF…

AIM: To write a literature review for RANS derivation and analysis OBJECTIVE: Apply Reynolds decomposition to the Navier Strokes equations and to come up with the expression for Reynolds stress. And to explain the terms in Reynold's stress. To explain turbulent viscosity and explain how is it different from molecular viscosity.…

AIM: To run the transient flow simulation for a shock tube using Converge CFD. OBJECTIVE: To set up the transient shock tube case setup for the simulation. And to plot the pressure, temperature contours and study the history of entire domain and to explain the result. Plot for the cell count as a function of time and explain…

AIM: To simulate a Conjugate heat transfer (CHT) analysis on a pipe. OBJECTIVE: To set-up a baseline configuration for flow through a pipe where inlet Reynolds number `Re = (rho*V*D)/(mu)` should be 7,000. Setup model for turbulence k-epsilon with super cycling parameters for 3D outputs with super cycle stage intervals…

AIM: To simulate the Prandtl Meyer Shock flow in converge CFD OBJECTIVE: 1.To explain Shock flow boundary conditions To do a literature search on what BC's are typically used for shock flow problems 2.To describe what is Shock wave and physics behind it 3.Effect of SGS parameter on Shock location and to look for the effect…

AIM: To run the simulation for a Transient state case of flow over a throttle body. OBJECTIVE: The main objective is to post process the results and show pressure and velocity conours. To show the Mesh with surface with edges Show the plots for pressure, velocity mass flow rate and total cell count. Create an animation…

AIM: To run the simulation for a steady state case of flow over a throttle body. OBJECTIVE: The main objective is to post process the results and show pressure and velocity conours. To show the Mesh with surface with edges Show the plots for pressure, velocity mass flow rate and total cell count. Create an animation such…

AIM: To run the Backward facing step case for three different base mesh sizes of dx=dy=dz=2e-3,1.5e-3 and 1e-3m and to post process results for the following 1. The mesh (i.e surface with edges) for all the 3 base mesh sizes 2. Pressure and velocity contours 3. Plots of velocity, pressure, mass flow rate and total cell…

AIM: To simulate the air through a channel for three different mesh sizes of (dx=dy=dz=2e-4,1.5e-4 and 1.2e-4) and to generate the flow and explain with aid of plots, animations of velocity, pressure and mass flow rate DESCRIPTION: The flow through a rectangular channel is characterized by 0 velocity at the wall due to…

AIM: For the given model, to check and solve all geometrical errors on half portion and Assign appropriate PIDs and to perform meshing with the given Target length and element Quality criteria. After meshing the half model to do symmetry to the other side. DESCRIPTION: PROCEDURE FOLLOWED: The Tesla cyber truck model is…

AIM: For the given models, to check for the geometrical errors and delete surfaces which are unwanted for Surface wrap. After clearing geometry, Merge all 3 models and perform surface wrap with target length for Wrap as 3 mm DESCRIPTION: FOR ENGINE MODEL Opening the model in ANSA Deleting the unwanted surfaces Deleting…

AIM: For the given model, to check and solve all geometrical errors on half portion and Assign appropriate PIDs and to perform meshing with the given Target length and element Quality criteria. After meshing the half model to do symmetry to the other side. Target lengths for the different parts of a model are as follow:…

AIM: For the given model, to check for the geometrical errors to make appropriate volumes, create and assign PIDs. To perform surface mesh with the given target lengths as per PIDs. Blade stage-1 = 1 mm Blade stage-2 = 1 mm Impeller = 2 mm Shaft rotor = 1 mm Turbo casing = 5 mm Compressor casing = 5 mm Inlet casing cover…

AIM: For the given model to check for the geometrical errors and perform Topology cleanup accordingly for three different target lengths as three different cases and mesh the model.  Target length = 1mm, 3 mm and 5 mm (i.e. 3 cases) Element type = Tria DESCRIPTION: TOPO CLEANUP: GEOMETRY CHECKUP: Here in Geometry checks…

AIM: To simulate the process of combustion on a model using a mixture of fuel and air and to plot the mass fraction probes at different intervals  To simulate the process for the combustion on a model using a mixture of fuel, air and different fractions of water from 5% to 30% and to plotthe mass fraction probes at…

AIM: To perform a parametric study on a gate valve simulation by setting the opening from 10 % to 80%.  OBJECTIVE: 1.To simulate the flow of fluid through a gate valve. 2.To obtain the mass flow rates at the outlet for each design point. 3.To calculate the flow coefficient and flow factor for each opening and…

AIM: To perform analysisi 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 diameter…

AIM: To perform a steady-state Cojugate Heat Transfer analysis on a model of graphic card with proper materials selection for simulation. To Mesh the geometry with a desirable combination and explain the mesh setting used on this model. Simulate the model by varying the velocity from 1m/s to 5m/s for atlease three velocities…

AIM: To study the following  To name some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves and to explain how these mathematical models have been adapted for CFD calculations. To perform the Rayleigh Taylor instability simulation for 2 different mesh sizes with the base…

AIM: To Run the simulation for Ahmed Body with the velocity of 25 m/sec with the default air properties in fluent. And to describe Ahmed's body and its importance. To Explain the reason for the negative pressure in the wake region.  To Explain the significance of the point of separation.  EXPECTED RESULTS: 1.…

AIM: To give a brief description of why and where a CHT analysis is used. To maintain the y+ value according to the turbulence model and justify the results.Calculate the wall/surface heat transfer coefficient on the internal solid surface & show the velocity & temperature contours in appropriate areas. And to…

AIM: Simulate the flow over a cylinder and to explain the phenomenon of Karman vortex street for the following cases    To simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100.  To calculate the coefficient of drag and lift over a cylinder by setting the Reynolds…

AIM: For two versions of the mixing tee (long & short) set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C using the k-epsilon and k-omega SST model for the first case and use the more suitable model for further cases. Give…

AIM: To explain Finite Volume Method(FVM) and the major differences between FDM & FVM. Describe the need for interpolation schemes and flux limiters in FVM. DESCRIPTION: In CFD there are three numerical method based solvers to solve the governing navier strokes equations.They are 1.Finite difference method: The grid…

AIM: 1.To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle. 2.To derive the conservation and non-conservation forms of the governing equations and solve them using the MacCormack's technique. 3.To plot the distribution of primitive variables, mass flow rate through the nozzle and time-wise variations…

AIM: To write a code to solve the 2D heat conduction equation by using the point iterative techniques. The Boundary conditions for the problem are as follows; Top Boundary = 600 K Bottom Boundary = 900 K Left Boundary = 400 K Right Boundary = 800 K To implement for solving implicit equations for both(i.e for steady…

AIM: To derive the 4th order approximation for second-order derivative for the following  1. Central difference 2. Skewed right-sided difference 3. Skewed left-sided difference And to prove that skewed schemes are fourth-order accurate using thumb rule(i.e 1.The order of accuracy P = Number of nodes in the…

AIM: To create a mechanical design of a battery pack for 18kWh and state the assumptions and the process. DESCRIPTION: Lithium Werks  26650 cells are best for Power.Safety.Life applications. They deliver very high power due to their use of patented Nanophosphate battery technology. Based on lithium iron phosphate…

AIM: 1. To simulate the model for 3test cases from harness dashboard and write a detialed report on the results. 2.To explain the coulomb counting referring to the above model and explain how BMS implements coulomb counting for SOC estimation DESCRIPTION: 1.TO SIMULATE THE MODEL FOR 3TEST CASES FROM HARNESS DASHBOARD AND…

AIM: 1.To prepare a table which includes materials & chemical reactions occuring at the anode and cathode of LCO(Lithium cobalt battery), LMO(Lithium ion manganese oxide), NCA(Lithium nickel cobalt aluminium), NMC(Nickel manganese and cobalt), LFP(Lithium iron phosphate) and LTO(Lithium titanate oxide battery) type…

AIM: By using the data provided with varibles in "Project1_initFile.m" for vehicle model to complete the deleted model contents of simulink model "Project1_vehiclemodel.slx" and to load data to workspace and execute the file "Project1_processingfile.m" with the data loaded back to workspace from the model and complete…

AIM: 1.Implement control logic of a “washing machine” using Stateflow as per given sequence. If the power supply is available, the system gets activated  If the Water supply is not available, stop the process & indicate through LED Soaking time should be 200s followed by Washing time of 100s. Then…

AIM: To make a simulink model of door bell using 'solenoid' block with the help of battery, switch, solenoid, ideal translational motion sensor, mechanical translational reference, electrical referenece, scope, display, PS-simulink convertor, simulink-PS convertor. DESCIRPTION: Here for the entire set-up of model is done…

AIM: To write a code in Matlab to parse the NASA thermodynamic data file and then calculate the thermodynamic properties of various species of gases. OBJECTIVE OF PROGRAM: 1.Write a function that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific heats for all the species in the data file.…

AIM: To write a code in MATLAB to optimize stalagmite function and find the global maxima using genetic algorithm. DESCRIPTION: GENETIC ALGORITHM: Genetic algorithm makes use of optimization along with tchniques available for optimization along with genetic algorithm syntax. Optimization is a decision making process by…

AIM: To write a program in Matlab that will simulate the pendulum motion DESCRIPTION: 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…