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Flow Physics and CFD of COVID-19

What are Preventive Measures of Corona Virus Transmission in Air Flow

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Prevention is Better than Corona Vaccination! ____________________________________________________________________ Breathe Clean Air with a Mask Keep Social Distancing Disinfect with Sanitizer Always …

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Categories Flow Physics and CFD of COVID-19

Role of Ventilation to Save COVID-19 Patients

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How to Select a Medical Ventilator to Save Critical COVID-19 Patients by Dr. Sharad N. Pachpute    Introduction to Ventilator …

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Categories Flow Physics and CFD of COVID-19

CFD Analysis and Effect of COVID -19 Transmission on Human Lungs

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What is the Effect of COVID -19 Transmission on Human Lungs By Dr. Sharad N. Pachpute Flow Physics of Respiratory …

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Categories Flow Physics and CFD of COVID-19

CFD Analysis of COVID-19 Transmission by Person-to-Person Spreading

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  How do you avoid COVID-19 Transmission by social distancing ? By Dr. Sharad N. Pachpute   1. Scope of …

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Categories Flow Physics and CFD of COVID-19

Effect of Mask on Flow Physics of COVID-19 Transmission

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Which face mask  is more effective against COVID-19  transmission? By Dr. Sharad N. Pachpute   Flow Physics of Breathing The …

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Categories Flow Physics and CFD of COVID-19

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66
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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41
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

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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