Week 10: Project 1 - FULL HYDRO case set up (PFI)

AIM:  1. To explore tutorial- single cyl DI Engine with discretization length 0.1 mm for intake runner. 2. To explore tutorial no 2 (GEM3D) - “Building intake manifold from STL model”.   (1) Single cylinder Diesel Ignition Engine:     Case setup: two cases with different Discretization…

Exploring tutorial number 9:   This is a 4-cylinder Turbocharged Gasoline Direct Injection engine with turbocharger wastegate controller and semi-predictive intercooler. Turbo and Intercooler: The CompressorMapParam template is used to generate a fully extrapolated compressor map from a single design point using…

Types of Turbocharger : There are a number of different types of turbochargers used within the automotive industry: Single-Turbo Twin-Turbo Twin-Scroll Turbo Variable Geometry Turbo Variable Twin Scroll Turbo Electric Turbo   Locating examples of Turbocharger from GT Power: The following are the examples of the turbocharger…

AIM:  To Compare SI vs CI and list down differences (assignment no 2-SI) To observe on following parameters BSFC Exhaust Temperature A/F ratios     3. To change MFB 50 and observe the impact on performance.   Difference between SI & CI Engine: S.No SI Engine CI Engine 1 It works on OTTO Cycle or…

AIM: To Run the case at 1800 rpm and list down important parameters air flow rate BMEP BSFC In-cylinder pressure      2. Increase the power output at 3600 rpm by 10%.   Introduction: SI Engine: A spark-ignition engine (SI engine) is an internal combustion engine, generally a petrol engine,…

1. Explore the GUI of GT SUITE and list down modules available with brief description: GT-SUITE is the industry-leading simulation tool with capabilities and libraries aimed at a wide variety of applications and industries. It offers engineers functionalities ranging from fast concept design to detailed system or sub-system/component…

AIM: To setup and simulate the Full-Hydro Port Fuel Injected Engine.   Introduction: Port Fuel Injection: Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. Historically, the most widely produced internal combustion engines…

AIM: To apply reynold's decomposition to the NS equations and come up with the expression for reynold's stress. Introduction: Navier stokes Equation: Navier-Stokes equation, in fluid mechanics, a partial differential equation that describes the flow of incompressible fluids. The equation is a generalization of the…

AIM: To setup a Transient Shock Tube Simulation. Introduction: Shock Tube: The shock tube is an instrument used to replicate and direct blast waves at a sensor or a model in order to simulate actual explosions and their effects, usually on a smaller scale. Shock tubes (and related impulse facilities such as shock…

AIM: To setup a Conjugate Heat Transfer simulation through a cylindrical pipe. Introduction: The Conjugate Heat Transfer (CHT) analysis type allows for the simulation of heat transfer between solid and fluid domains by exchanging thermal energy at the interfaces between them. The CHT approach has an advantage over FE thermal…

AIM: 1. To do a literature survey on Shock Flows and its boundary conditions.          2. To describe the physics behind shock waves.          3. To observe the effect of SGS temperature value on cell count and the shock location   Introduction:…

AIM: To setup and run transient state simulation for flow over a throttle body. Procedure: A CAD model is imported to converge studio.  Check for diagnosis abd assign the boundaries to the region. Motion details provided to the throttle.   Case Setup: Pressure based transient simulation. Inlet pressure = 150000Pa Outlet…

AIM: To setup and run transient state simulation for flow over a throttle body. Procedure: A CAD model is imported to converge studio.  Check for diagnosis abd assign the boundaries to the region.   Case Setup: Pressure based transient simulation. Inlet pressure = 150000Pa Outlet Pressure = 100000Pa Outlet Temperature…

AIM: To write a code that takes all the reactions from the GRI mechanism and calculates 10 most sensitive reactions by making sensitivity parameter with respect to the Temperature. To show the reaction strings in the order of greatest sensitivity to the least sensitivity. Introduction: Sensitivity Analysis: Sensitivity…

AIM:  Part-1: To simulate the Auto Ignition Time for Methane under the following conditions, (simulation time = 10 secs) To plot the variation of Auto Ignition time of Methane with a constant temperature of 1250K and pressure varying from 1 to 5 atm.…

AIM: To solve the given set ofcoupled non-linear equations by using Implicit Euler Method/ Backward Differencing.                                  Introduction: In numerical analysis, Newton's method, also known as the Newton–Raphson…

AIM: To write the literature review for ODE and to write the computer program to subtantiate the solution. Introduction: Ordinary differential equation (ODE) is a differential equation containing one or more functions of one independent variable and the derivatives of those functions. The term ordinary is used in contrast…

AIM: To derive the reaction rate ODEs of a simple reaction mechanism by using the compact notation and to write down the desired matrices. Reaction Mechanism: In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical change occurs. The following are the given…

AIM: 1)Effect of preheating on the adiabatic flame temperature. 2)Effect of pre-heat temeprature on combustion efficiency.   Introduction: The adiabatic flame temperature is one that occurs when the combustion chamber is well insulated with no heat losses (adiabatic conditions). The peak adiabatic flame temperature…

AIM: To work with the Quantity class of Cantera to create various mixtures. Introduction: Mixture is the predominant word that appears in training texts, operation manuals and maintenance manuals in the aviation world. Air–fuel ratio is the ratio between the mass of air and the mass of fuel in the fuel–air…

AIM:  Adiabatic Flame Temperature calculation Case-1: To write a program in Python to plot the effect of equivalence ratio on the final adiabatic flame temperature by assuming that methane is contained in a constant volume chamber. Case-2: Adiabatic flame temperature by assuming that methane is contained…

AIM:  Part-1: To perform a combustion simulation on the combustor model and to plot the variation of the mass fraction of the different species’ in the simulation using line probes at different locations. Part-2: To add the water content in the fuel from 5% to 30% by mole and observe the effect of it on the…

AIM :  To perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%.  To  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…

AIM: To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop. Introduction: Cyclone Seperator: Cyclone separators or simply cyclones are separation devices (dry scrubbers) that use the principle of inertia to remove particulate matter from flue gases. Cyclone separators is…

AIM: To perform a steady-state conjugate heat transfer analysis on a model of a graphics card. Theory: Conjugate Heat Transfer:  The Conjugate Heat Transfer (CHT) analysis type allows for the simulation of heat transfer between solid and fluid domains by exchanging thermal energy at the interfaces between them.…

AIM: To perform the Rayleigh Taylor instability simulation for different Mesh sizes and to compare the results. Introduction: Rayleigh Instability: The Rayleigh–Taylor instability, or RT instability is an instability of an interface between two fluids of different densities which occurs when the lighter fluid is…

AIM: To perform CHT analysis of Exhaust port.   Conjugate Heat Transfer(CHT Analysis): The Conjugate Heat Transfer (CHT) analysis type allows for the simulation of heat transfer between solid and fluid domains by exchanging thermal energy at the interfaces between them. Typical applications of this analysis type…

AIM:  To 1. Describe Ahmed's body and its importance. 2. Explain the reason for the negative pressure in the wake region.  3. Explain the significance of the point of separation.    Ahmed Body: The Ahmed body is a generic car body (a simplified vehicle model). The airflow around the Ahmed body captures…

AIM:  To simulate the flow over a cylinder and explain the phenomenon of Karman vortex street and    PART-I To 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 by setting the Reynolds…

AIM:  To set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C. Case-1: Short mixing tee with a hot inlet velocity of 3m/s is used in this case.                        …

AIM: To make the simulation work with Symmetry Boundary Condition and To write a Matlab program that takes an angle as input and generates a blockMesh file for 10,25,45 angles. In this challenge the blockMeshDict file specifies the symmetry boundary conditions for front and back face which generated by using Matlab.…

AIM: To write a program in Matlab that can generate the computational mesh automatically for any wedge angle and grading schemes. For a baseline mesh, show that the velocity profile matches with the Hagen poiseuille's equation. Hagen Poiseuille's Law: It is a physical law that gives the pressure drop in…

AIM: To define Finite Volume Method(FVM). The major Differences between FDM & FVM. Describe the need for interpolation schemes and flux limiters in FVM. Discretization: The Numerical Solution of Differential Equations cannot produce a continuous distribution of the variables over the solution domain. Discretization…

AIM : To create blockMesh and to simulate the flow through backward facing step by using openFoam. And to measure the velocity profile at 0.085 m from the inlet of the geometry. And compare velocity magnitude contours near the step region for the 0.2, 0.5, & 0.8 grading factors.Mesh specification:Number of cells along…

AIM:  To simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle by deriving the conservation and non-conservation forms of the governing equations by solving the MacCormack's technique and determine the steady-state temperature distribution for the flow-field variables and investigate the…

AIM:  1.Solve the 2D heat conduction equation by using the point iterative techniques to the giben         Boundary conditions for the problem by using: i. Jacobi ii. Gauss-seidel iii. Successive over-relaxation 2. Write code for both implicit and explicit schemes (This is for the Transient…