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Combustion and Emissions

CFD Modeling of Industrial Burners

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CFD results for temperature contours inside the coal fired boiler

Introduction to Industrial Burners What is an industrial burner? Basic of combustion is discussed in the previous post what are …

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Categories Combustion and Emissions

Selective Catalytic Reduction for NOX

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How to Design Selective Catalytic Reduction (SCR) for NOX     What is a Selective Catalytic Reduction System? Nitrogen Oxides …

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Categories Combustion and Emissions

Ammonia -NOx Mixing Methods at Inlet to SCR

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Scope NH3/NOx mixing to reduce pollution in Boiler

Ammonia and NO  (NH3-NO) Mixing for SCR Design of  DeNOx Mixer Introduction Combustion due to fossil fuels results in various …

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Categories Combustion and Emissions

Working Principle of Thermal Oxidizers and its Applications

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What is a thermal Oxidizer? A thermal Oxidizer is an essential part of chemical or thermal power plants to control …

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Categories 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
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29
Created on October 30, 2022 By Dr. Sharad Pachpute

Basic of CFD and Fluid Mechanics

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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