Home
About us
Contact
Engineering solutions
- Flow Technology
- Boiler Operation Engineers Training
CFD Training
Flow Heat Calculation
- Gas Fuel Heating Value
- Calorific Value of coal
Blog

Nothing Found

It seems we can’t find what you’re looking for. Perhaps searching can help.

Search for:

Latest News

Current CFD Jobs
April 6, 2021
Guest Lecture for Colleges for Basic to Advance CFD Modelling
January 30, 2021
Internship for graduate students for CFD projects
January 30, 2021
Students Guide for all kind of CFD Project
January 30, 2021
CFD Online Training
September 27, 2020

Recent Posts

Online Quiz on Heat Transfer Modelling
Turbulent flow modeling quiz
Fundamentals of Turbomachinery and Governing Laws
CFD Modeling of Industrial Burners
Selective Catalytic Reduction for NOX
Data Centre Cooling and its CFD Modeling
CFD Basic Quiz
Ammonia -NOx Mixing Methods at Inlet to SCR

Battery Thermal Flow and CFD Modeling
CFD Basic and Fluid Flow
Combustion and Emissions
Flow and CFD of Drone
Flow Physics and CFD of COVID-19
Industrial Applications
Mutliphase Flow
Questioners
Turbo-machinery

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

∇.(ρuV)

∇.(uV)

∇.(ρV )

∇.(uV)

2 / 20

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

Pressure gradient

Buoyancy

Viscous Stress

Inertia

3 / 20

The staggered grid is useful to overcome

Coupling of Pressure (scalar) and Velocities (vector)

Decoupling of Pressure (scalar) and Velocities (vector)

Interpolation between cells

Alternative coupling

4 / 20

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

Near the Inlet

Away from Outlet

Zero gradient for all variables

Zero gradient for all variables except pressure

5 / 20

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

∇.V

∇V

∇×V

∇.∇V

6 / 20

Which is essential CFD input to carry out simulation

Governing Equations

Boundary Condition

Experimental Data

Numerical Scheme

7 / 20

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

Dirichlet and Neumann

Inlet and outlet

Fixed Wall

Symmetry

8 / 20

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

Linear

Quadratic

Parabolic

Hyperbolic

9 / 20

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

One

Two

Three

Four

10 / 20

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

Instantaneous Navier-Stokes equations

Equations for homogenous flow

Momentum Equation

Filtered Equations

11 / 20

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

u, v, w

u, v, w, P, ρ

x, y, z, t

12 / 20

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

x, y, z, ρ

x, y, z, t, ρ

x, y, z, t

x, y, z

13 / 20

The momentum equation is based on

Mass conservation

First Law of Thermodynamics

Newtons Second Law of Motion

Kinetics

14 / 20

A control volume-based model results in which equation?

Differential

Integral

Linear

Conservative

15 / 20

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

Contour Plot

X-Y Plot

Vector Plot

Bar Plot

16 / 20

The continuity equation is derived based on

Energy conservation

Zeroth Law thermodynamics

First Law of Thermodynamics

Mass conservation

17 / 20

For the implicit method, which is the essential step?

Linearizing the Partial differential equation

Linearizing the difference equation

Normalizing the Partial differential equation

High order Differentiation

18 / 20

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

Process calculation

Pre-processing

Post-processing

Simulation

19 / 20

The region of interest for CFD analysis is carried is called

Mesh Density

Grid Size

Computational Domain

Area

20 / 20

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

Analytical and Physical

Theoretical and experimental

Numerical and Pseudo method

Experimental and Statistics

Your score is

The average score is 58%

LinkedIn Facebook Twitter VKontakte

Sitemap

Visitors

Contact

For more information :

cfdflowengineering@gmail.com

info@cfdflowengineering.com

Connect With Us

Consultancy and Technology solutions
CFD Guide
CFD Online Classes
CFD Support for student
Current CFD Jobs
Boiler Operation Engineers Training
Jobs and Opportunity
Flow Heat Calculation
Gas Fuel -Heating Value Calculations
Flow Technology
Coal fuel- Heating Value Calculation
References
Privacy Policy
Disclaimer
Terms Use

Home
About us
Contact
Engineering solutions
- Flow Technology
- Boiler Operation Engineers Training
CFD Training
Flow Heat Calculation
- Gas Fuel Heating Value
- Calorific Value of coal
Blog