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Combustion and Emissions

Combustion Technology in Automobile

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Combustion Technologies i in Automobile

 Modern Combustion Technology in Automobile by Dr. Sharad Pachpute Introduction to Combustion in Automobile  Basic of combustion would help to …

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Categories Combustion and Emissions

CFD Modelings of Oil Fired Burner

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How to model an Oil-fired burner in CFD simulation?   Introduction to Oil Burner An oil burner is liquid fuel-fired burner …

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Categories Combustion and Emissions

CFD Modeling of Natural Gas Burner

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CFD Modeling of Natural Gas Burner using FLUENT

CFD Modeling of natural gas burner Using ANSYS FLUENT   Introduction to Natural Gas Composition of Natural Gas Natural gas …

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Categories Combustion and Emissions

CFD Modeling of Pollutants: NOx SOx and Soot

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How to model Pollutants from Industries like NOx, SOx and Soot Particles ?     Introduction to Pollutants Basics of …

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Categories Combustion and Emissions

CFD Modeling of Combustion in Cement Kiln -Part1

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CFD Modeling of cement kiln is carried out using ANSYS FLUENT. Velocity, temperature and flue gas pattern are presented.

Categories Combustion and Emissions

Basics of Emissions and Its Control

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  Understanding Basics of Emissions and  CFD Modeling  Modeling the Unwanted combustion to understand Environmental Pollution     Introduction to Emissions …

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Categories Combustion and Emissions

Rocket Engine Combustion

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Combustion in Rocket Engine and Its CFD Modeling by  Dr. Sharad N. Pachpute (PhD, IIT Delhi)   Modeling the Combustion System …

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Categories Combustion and Emissions

Turbulent Multiphase Combustion and CFD Modeling

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CFD Modeling of Turbulent Multiphase Combustion   by  Dr. Sharad N. Pachpute, Ph.D. – IIT Delhi Modeling the Combustion with …

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Categories Combustion and Emissions, Mutliphase Flow

CFD Modeling of Turbulent Combustion

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Turbulent Combustion Modeling (Introduction to Combustion Models in FLUENT, Star CCM+ and OpenFOAM) by Dr. Sharad N. Pachpute (Ph.D.) Modeling …

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Categories Combustion and Emissions

Combustion Basics for Beginner

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Understanding Combustible Flow  Dr. Sharad Pachpute(PhD, IIT Delhi) Fuels and Combustion  Introduction to combustion Combustion is the chemical reaction between …

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Categories Combustion and Emissions
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103
Created on October 30, 2022 By Dr. Sharad Pachpute

Basic of CFD and Fluid Mechanics -QUIZ

Basic of CFD and Fluid Mechanics will be examined

1 / 20

Which of these terms represents the inertia term in the momentum equation

2 / 20

Which of the following is the source term in the momentum equation for natural convection

3 / 20

The staggered grid is useful to overcome 

4 / 20

The outflow boundary condition is used in the CFD domain for the boundary

5 / 20

The continuity equations for incompressible flow (divergence of velocity vector,V)

6 / 20

Which  is essential CFD input to carry out simulation

7 / 20

In CFD modeling, what are the two major types of numerical boundary conditions?

8 / 20

In the first order Updwind scheme, which variation is considered?

9 / 20

How many variables of Boundary conditions are to be specified for 2D flow?

10 / 20

To simulate any laminar flow with any geometry, which of the following equations are solved

11 / 20

For incompressible flow,  dependent variables in the Navier-Stokes equations are

12 / 20

For numerical simulations,  what are the independent variables in the Navier-Stokes equations after discretization?

13 / 20

The momentum equation is based on

14 / 20

A control volume-based model results in which equation?

15 / 20

In post-processing of CFD results, which plots are irrelevant?

16 / 20

The continuity equation is derived based on

17 / 20

For the implicit method, which is the essential step?

18 / 20

Which of the following does not come under the three main elements of CFD modeling?

19 / 20

The region  of interest for CFD analysis is carried is called

20 / 20

CFD is the third pillar for numerical fluid flow analysis. What are the other two traditional approaches?

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75
Created on January 24, 2023 By Dr. Sharad Pachpute
heat Transfer modelling

Online Quiz on Heat Transfer

Fundamental questions on Heat Transfer and its numerical modeling are given in this quiz

Email to get the Gift  of the PDF booklet: cfdflowengineering@gmail.com

if you score > 80%:

1 / 21

Which of the following methods is not used to discretize the Radiative Transport Equation for combustion

Thermal radiation in biomass combustion

2 / 21

The radiative Heat transport equation is numerically solved for

Radiative Transport Equation

3 / 21

Radiation heat transfer is determined by which law

radiative heat transfer law

4 / 21

The relation between momentum and thermal boundary layer  is defined by which of the following parameter

Thermal and momentum boundary layers

5 / 21

For turbulent heat transfer over a heated plate, the turbulent diffusivity is determined using

Reynolds number for Flat plate Boundary layer

6 / 21

Heat transfer coefficient in CFD simulation is calculated using

Thermal Boundary layer

7 / 21

what is the unit of heat transfer coefficient?

convective Heat transfer formula

8 / 21

For constant air properties, the forced convective heat transfer rate depends on

Forced convection

9 / 21

Convective heat transfer is calculated by which of the reference temperature

convective Heat transfer formula

10 / 21

Thermal conductivity for anisotropic is defined as

11 / 21

Which of the following Laws is based on convective heat transfer between a surface and adjacent fluid

12 / 21

For the homogenous material, the rate of heat transfer normal to the plane wall is given by which of the following equation?

conduction heat Transfer types

13 / 21

The unit heat transfer is given as

14 / 21

which of the following law the heat transfer takes place?

15 / 21

Which of the following is a method of heat transfer?

16 / 21

In natural convection, the source term due to buoyancy  in the energy equation is calculated by

17 / 21

which of the following terms is added to compute turbulent convective transfer in RANS equations

18 / 21

Which of the following radiation models accounts for the effect of flue gas composition on heat transfer

19 / 21

In natural convection, the coefficient of expansion of fluid (β) for an ideal gas is calculated as

20 / 21

To compute the convective heat transfer from the heating surface which numerical scheme is used

21 / 21

To compute the view factor for radiative heat transfer, which radiation model is used in CFD solver

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The average score is 57%

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Categories

  • Battery Thermal Flow and CFD Modeling (4)
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