Week 6 - CHT Analysis on a Graphics card

AIM: To Simulate the motion of blades in a generic turbo machinery component using an unsteady approach. Assume blade rotation at 300rpm. Choose an appropriate time step for the simulation and generate an animation file for the rotation. PROCEDURE: SETUP:           The geometry consists of three mesh file for each domain.…

AIM: What are the approaches by which you would model moving zones? Which approach would you use to model unsteady phenomena? Simulate rotary motion for the geometry given Plot the velocity profile of the fluid motion THEORY: 1. In fluid flow, there are two forms of motion: rectilinear and rotating motion. Modeling rotational…

AIM: To create a domain for flow analysis and Setup simulation for subsonic and supersonic regimes at                      ○5, 10, 15 angle of attack THEORY: Lift theory:  Air flowing around the airfoil is attached to the airfoil. The point at which the air first hits the airfoil is called the stagnation point as the velocity…

AIM: In this challenge, you are required to do a literature review of various turbulence models explained in the Turbulence modeling video (Week-5) and explain why DNS isn’t feasible according to Kolmogorov's scale. For the below geometry performs a 3D simulation and explain the recirculation region using velocity…

AIM: 1. A pitot static tube geometry is attached below.     a.You are required to do a literature review of pitot-static tube. Also establish a relationship between Total (stagnation) pressure and static pressure     b.You are required to create surfaces and fill it separately for Total pressure port…

AIM:      To Simulate the flow through converging-diverging nozzle for the given boundary conditions                          OBJECTIVE: At Inlet, Pressure = 1atm and Temperature = 300K. The outlet pressure= 0.027 atm. In the operating conditions,…

1. Derive the expression for the `∂f/dx` for a forward difference of second order To derive the expression for the forward difference of second order, we start by using Taylor series expansion for the function The general form of the Taylor series expansion: `f(x+h) = f(x) + hf'(x) + (h^2/2!)f''(x)…

Creating a test case in OpenFOAM: 1. Create a .cpp file starting with: #include "fvCFD.H" int main( int argc, char *argv[] ) { Foam::argList::noBanner(); Foam::argList args(argc, argv); ... } ANS: #include "fvCFD.H" //using namespace Foam; int main(int argc, char *argv[]) { //Foam::argList::noBanner(); //if you turn it…

Copy the solver DPMFoam from the lagrangian library ( $FOAM_SOLVERS ) into your run folder ( $FOAM_RUN ) (use visual studio) Use wmake libso to compile the shared library associated with this, after making the appropriate changes Where is the resulting .so file found? (Attach image of the shared object file location) Write…

AIM: To explore the "Tutorial- single cyl DI".  By adding case 2 of discretization length 0.1 mm for intake runner. Comparing with default case 1 for the following parameters i.e. Parameters-Torque, BSFC, max cylinder pressure and simulation time. To explore tutorial No-2 (GEM3D) - “Building intake manifold…

AIM: To Explore tutorial number 9 and write a detailed report. To Build FRM Model for following configuration using FRM builder approach. Bore 102 mm stroke 115 mm CR 17 No of cylinder 6 CI engine Twin Scroll Turbine GT Controller   and  Run all cases PROCEDURE:  FRM Model: FRMs execute much more rapidly…

AIM: To List down different TC and locate examples from GT Power To Explore tutorial number 6 and 7 To Plot operating points on compressor and turbine maps To explain in which application Variable Geometry Turbine is beneficial? To Explore example- Diesel VGT EGR and understand the modeling part. PROCEDURE: List down different…

AIM:         To do basic Calibration of Single cylinder CI-Engine OBJECTIVE:   To Compare SI vs CI and list down differences Too Comment on following parameters-            BSFC,Exhaust Temperature,A/F ratios To Change MFB 50 and observe impact on performance. PROCEDURE:…

AIM : To run SI engine setup at 1800 rpm and list down parameters such as air flow rate, BSFC, BMEP, In cylinder pressure. To run the same setup at 3600 rpm and to increase the power output by 10% PROCEDURE: SPARK IGNITION ENGINE:      A spark-ignition engine (SI engine) is an internal combustion…

AIM:      To Explore the GUI of GT-Suite and Explore intercooler tutorial by solving the given problem OBJECTIVE: 1. Explore the GUI of GT SUITE and list down modules available with brief description.  2. Locate following settings: Time control flag  Time step and solution control  Integrator/Solver…

AIM:          To validate studies of Symmetry BC vs Wedge BC in OpenFOAM vs Analytical H.P equation for flow along a pipe using OpenFOAM. OBJECTIVE: Validate Hydro-dynamic length with the numerical result Validate the fully developed flow velocity profile with its analytical profile Validate…

AIM: To simulate an axi-symmetric flow by applying the wedge boundary condition. The flow is laminar and flows through a constant cross-section pipe at an inlet Reynold's number of 2100. We should do a transient or steady state simulation and validate the results with the Hagen- Poiseuille's equations for the fully developed…

AIM:     To explain about Finite Volume Method(FVM)     To write down the major differences between FDM & FVM.     Describe the need for interpolation schemes and flux limiters in FVM. By using the 1D linear heat conduction equation    as an example.  Finite volume…

AIM:        To simulate an incompressible-laminar-viscous flow through the backward facing step geometry. We should perform a transient simulation. The solver can be chosen based on the described physics of the flow. We need to explain the entire simulation procedure . We should provide explanations…

AIM:                    To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle. By deriving both the conservation and non-conservation forms of the governing equations and sovle them using the MacCormack's technique. we need to determine the steady-state…

AIM: To write the code which solves the 2D heat conduction equation by using the point iterative techniques by implementing the following methods. 1. Jacobi 2. Gauss-seidel 3. Successive over-relaxation OBJECTIVES: 1. To solve the 2D heat conduction equation by using the point iterative techniques that were taught in the…

AIM: To Derive the  4th order approximations of the second-order derivative of a function for the following numerical schemes.  1. Central difference 2. Skewed right-sided difference 3. Skewed left-sided difference OBJECTIVE: After deriving these schemes, prove that your skewed schemes are fourth-order accurate…

AIM: To perform a combustion simulation on the combustor model. 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 probes at different locations of the combustor as shown in Fig. You need to plot…

AIM:  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 and plot the graph. Discuss the results of the mass flow rate and flow coefficient.…

AIM: The aim of the report is to perform an analysis on cyclone separator using Ansys fluent and calculate separation efficiency and pressure drop.  OBJECTIVES: The objectives of the report are -  Discuss the empirical models used to calculate the cyclone separator efficiency.  Perform cyclone separator…

Aim:          Analysis of steady-state conjugate heat transfer using a graphics card model Objectives: Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the…

AIM:         To conduct the Rayleigh Taylor CFD simulation. OBJECTIVE:  What are some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves? In your own words, explain how these mathematical models have been adapted for CFD calculations. Perform the Rayleigh…

AIM:   To run simulation to analyse Conjugate Heat transfer in Exhaust port. OBJECTIVE: 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 wall/surface heat transfer coefficient on the internal…

AIM:         Run the simulation for the velocity of 25 m/sec with the default air properties in fluent.                For this challenge, you will have to provide answers to the following questions:                  …

Aim:        Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.      PART-I Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100.    PART-II Calculate the coefficient of drag and lift over a cylinder…

                                                                AIM:        To set up steady-state simulations to compare the mixing effectiveness…

Aim:       For the given Tesla Cybertruck model, check and solve all geometrical errors and Assign appropriate PIDs. Perform meshing with the suitable Target length and element Quality criteria. Procedure:     1. Importing the file: To import the given file to ANSA  In ANSA, Go to File -> select Open …

Aim:       For the 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. After meshing the half model, Do symmetry to the other side.  Given Target lengths for the different parts of…

Aim:  To check for the geometrical errors and delete surfaces that are unwanted for the surface wrap and merge all 3 models and perform surface wrap after clearing geometry with target length for Wrap should be set to 3 mm.  Procedure:    1. Importing the file: To import the given…

Aim:    For the given model of a turbocharger, check for the geometrical errors to make appropriate volumes by creating and assigning the PIDs accordingly. Create surface mesh using the given target length   Blade stage-1 = 1 mm Blade stage-2 = 1 mm Impeller = 2 mm Shaft rotor = 1 mm Turbo casing =…

Aim:     To do Surface meshing for the given model by checking its geometrical error and perform Topology cleanup . Meshing the model with three different target length = 1mm,3mm,5mm and setting its element type as Tria. Procedure:   1. Importing the file: To import the given file to ANSA  In ANSA,…