Week 6: Conjugate Heat Transfer Simulation

PART 1:- Single cyl DI add case 2 with discretization length 0.1 mm for intake runner and compare with default case 1 AIM:- To determine parameter such as torque, BSFC, max cylinder pressure and simulation time. MODEL:- CASE SETUP:- ENGINE PERFORMANCE PREDICTION:- KEY CYLINDER PREDICTIONS:- RUN TIME SUMMARY:- For…

1. Explore tutorial number 9 (FRM):- Fast Running Model (FRM), execute much more rapidly than the typical detailed GT-Power engine model, and are ideal for integrating with other vehicle system where an accurate and predictive engine plant model is desired and where computational speed is critical, FRM adpat to changing…

A. List down different TC and locate examples from GT Power Turbocharging:- In turbocharging, the supercharger is being driven by a gas turbine which use the energy in the exhaust gases. There is no mechanical linkage between the engine and the supercharger. The major parts of a turbocharger are turbine wheel, turbine…

1. Compare SI and CI Engine. S. I. Engine works on the Otto cycle whereas C.I Engine works on diseal cycle. In S.I. Engine air and fuel are mixed in a carburattor where as in C.I. Engine fuel is mixed with air inside the cylinder. S.I. Engine fuel ignited with an spark plug where as C.I. Engine ignition is achieved with…

1. Run SI engine single cylinder setup at 1800 rpm.   RESULT:- IMEP = 10.61 bar BMEP = IMEP - FMEP = 10.61 - 1.13 = 9.48 bar Air Flow Rate = 24.6 kg/hr BSFC = 239.2 g/kW-h 2. Increase the power output by 10% at 3600 rpm CALCULATION:- The current power output is 16.7 kW that is 22.4 HP To increase it by 10% means the…

Aim:- To simulate the PFI engine with full hydro setup including spray and combustion model using CONVERGE and post processing the results. Theory:- 1. Port Fuel Injection Engine:- The fuel injection system for conventional spark injection engine inject the fuel into the engine intake system . This section review system…

1. Explore the GUI of GT SUITE and list down modules available with brief description. GT SUITE model application are as follows:- 1. Acoustics:- GT-SUITE include application to analyze a signal in the time domain by transforming it to the frequency domain. In addition, it is possible to calculate the frequency response…

Aim:- To study Reynold's decomposition to the Navier Stokes equations   Objective:- To study the decomposition of the Reynold's Number to the Navier Stokes equation and come up with the expression for Reynold's stress. To understand the terms Reynold's stress To understand turbulent viscosity and its difference…

Objective:- To simulate transient simulation over a shock tube and determine the temperature, pressure plot and cell count as the function of time. Theory:- Shock Tube Shock tube is an instrument used to replicate and direct blast wave at a sensor or a model in order to simulate actual explosion and their effect usually…

Objective:- To simulate the Conjugate Heat Transfer over pipe using Super- Cycling in CONVERGE and determine Y+ Theory:- Conjugate Heat Transfer:- Conjuate Heat Transfer correspond with the combination of heat transfer in solid and heat transfer in fluid. In solid, conduction often domain whereas in fluid convection usually…

OBJECTIVE:- To simulate Prandtl Meyer shock problem using CONVERGE, and learn the effect of SGS temperature value on cell count and the shock location.   1. Shock Flow Boundary Condition:- The boundary condition need to be defined for the surface boundary the entire domain.  In a shock wave flow, the flow field…

    Objective:- In these challenge we have to perform mixing tee of giving geometry in a steady state simulation. Given:- The data for challenge are as follow:- Case 1:- Short mixing tee with hot inlet velocity of 3 m/s Momentum ratio of 2 Case 2:- Long mixing tee with hot inlet velocity of 3 m/s Momentum ratio…

AIM:- To simulate transient flow over throttle body using CONVERGE. THEORY:- In an I. C. Engine, the throttle is a means of controlling an engine power by regulating the amount of fuel or air entering the engine. In a vehicles, the control used by the drive to regulate power is sometimes called the throttle, accelerator…

AIM:- To project steady state simulation over a throttle body using CONVERGE. THEORY:- In an I.C. Engine, the throttle is a means of controlling an engine by regulating the amount of fuel or air entering the engine. In a vehicles, the control used by the drive to regulate power is sometimes called the throttle, accelerator…

Defination:- Stoichiometric network analysis and sensitivity analysis are combined to yeild a computational tool for the study of chemical reaction network. Sensitivity of chemical oscillation to parameter perturbation is studied via this combined approach. It is shown that quantitative, physical insight are gained from…

AUTO-IGNITION:- Auto-Ignition or spontaneous ignition is of practical interest not only in relation to hazard, but also in combination system such as gas turbine. Auto-Ignition though simple in concept, need careful defination which defined as the state that if the temperature of an infinite volume of reactant at constant…

Multivariate Newton Rapshon Method:- In numerical analysis, Newton\'s Method also known as the Newton-Raphson method is a root.  Finding algorithms which produce successively better approximation to the root or zeros of a real values function. The most basic version start with a single variable function defined for…

1. When does ODE become unstable? Stability in mathematics condition in which a slight disturbance in a system does not produce too disrupting an effect on that system. In term of the solution of a differential equation, a function f(x) is said to be stable if any other solution of the equation that start out sufficiently…

Reaction Mechanism:- `CO + O_2 rightarrow CO_2 + O` `O + H_2O rightarrow OH + OH` `CO + OH rightarrow CO_2 + H` `H + O_2 rightarrow OH + O` Deriving the rate of reaction mechanism:- Compact Notation:- Reaction Notation:- `v_(ji)\'`  for reactant and `v_(ji)\'\'` for product Matrix form for Reactant:- `v_(ji)\' = [[1,1,0,0,0,0,0],[0,0,0,1,1,0,0],[1,0,0,0,0,1,0],[0,1,0,0,0,0,1]]`…

RECUPERATOR:- A recuperator is a special purpose counter flow energy recovery heat exchanger positioned within the supply and exhaust air stream of an air handling system, or exhaust heat from the exhaust and use it to preheat air entering the combustion system. In this way they use waste energy to heat the air, off setting…

1. Use the \"mole\" method of the object A and calculate moles:- Consider a stoichiometric reaction of Methane and air, `CH_4 + 2(O_2 + 3.76N_2) rightarrow CO_2 + 2H_2O + 7.52N_2` Mole fraction can be given as, `A_(speices) = frac{n_1}{n_1 + n_2}` where  `A_(speieces) rightarrow` mole fraction of A object  …

ADIABATIC FLAME TEMPERATURE:- The adiabatic flame temperature is defined as the temperature attained when all of the chemical reaction heat released heat combustion product. It is one that occur in the combustion chamber is well insulated with no heat loss that is adiabatic condition (Q=0) The temperature rise or fall…

Gear Sloshing Effect:- In Fluid Dynanmic, slosh refer to the movement of liquid inside another object (which is typically also undergoing motion). The liquid must have a free surface to solve a slosh dynamic problem. In the given challenge, sloshing effect in the gearbox is observed. Lubrication is necessary for safe functioning…

Gate Valve:- Gate valve are used to shut off the flow of liquid rather than for flow generation. When fully open, the typical gate valve has no obstruction in the flow path resulting in very low pressure. The size of the open flow path generally varies in a non linear manner as the gate is moved. This means that the flow…

COMBUSTION:- Combustion is a high temperature exothermic chemical reaction, between fuel and oxygen that produce oxidized, often  gaseous product in a mixture termed as smoke. Combustion doesn\'t always result in fire, but when it does, a flame is a characteristics in the indicator of reaction.      …

GRAPHICS CARD:- Graphics card is an expansion card which generates feed of output image to display device. Graphics card may not be the essential component for an average or normal user but it is the most important component for high end games and people who run resource intensive graphics application or software. Graphics…

CYCLONE:- Cyclone are device that employ a centrifugal force generated by a spinning gas stream to separate particle from the carrier gas. Their simple design, low maintaince cost and adaptability to a wide range of operating condition such as size and flow rate make cyclone one of most widely used particle removed device.…

Rayleigth-Taylor :- The Rayleigth-Taylor instability is an instability of interface between two fluid of different densities which occur when the lighter fluid is pushing the heavier fluid.                                      …

Q 1. Describe why and where Conjugate Heat Transfer is used? Conjugate Heat Transfer:- Conjugate Heat Transfer correspond with the combination of heat transfer in solid and heat transfer in fluid. In solid, conduction often domain whereas in fluid, convection usually domain. Conjugate heat transfer is observed in many…

Q 1. Describe Ahmed body and its importance? AHMED BODY:-                                        Ahmed Body The Ahmed body is a generic body (a simplified vehicle model). The airflow around the Ahmed body captures the essential…

Objective :- By using the link below we have to perform task https://projects.skill-lync.com/projects/Simulation-of-flow-through-a-pipe-492The10 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…

Objective:- To write a program using octave and OpenFoam, and using Hagen\'s poiseuille\'s equation for simulation of flow through a pipe. Hydrodynamic Length:- The hydrodynamic entrance region refers to the area of the pipe where fluid entering a pipe develop a velocity profile due to visocous force propogating from the…

In CFD, there are three numerical method based solvers to solve the governing equation and Navier Stokes equation are as follow:- 1. Finite Difference Method (FDM) 2. Finite Element Method (FEM) 3. Finite Volume Method (FVM)     1. Finite Difference Method (FDM):- The grid is linear and aligned so that all point…

Objective :- Use the icoFOAM solver to simulate the flow through a backward facing step. Given Problem:- The 3 D model for the given problem  Mesh Specification:- Number of cells along the x direction (longer dimension) = 200 Number of cells along the y direction = 10 Simulation Step:- IcoFoam is basically solver…

Objective:- To write the code for 1D supersonic nozzle equation using Maccormack Method. Step:- Introduction:- Nozzle is deviced designed to control the direction or characteristic of the fluid flow an it exist an enclosed chamber or pipe. Nozzle are frequently used to control the rate of flow, speed, direction, mass shape…

Objective:- In this project, we are going to solve 2D Heat Conduction problem for steady & unsteady state by using three different iterative solver are as follows:- 1. JACOBI ITERATION 2. GAUSS SIEDAL ITERATION 3. Successive Over Realxation ITERATION In Transient state, we going to use two different method to solve…

1. Central difference for second order derivative:- *-------*-------*--------*--------* (i-2)   (i-1)      i          (i+1)    (i+2) Formula:- `frac{partial^2u}{partialx^2}=frac{af(i+2)+bf(i+1)+cf(i)+df(i-1)+ef(i-2)}{Deltax^2}`--------eq1 Derivation By using Taylor…