Fluid Dynamics

Fluid dynamics is a sub-discipline of fluid mechanics that deals with fluid flow—the natural science of fluids (liquids and gases) in motion. | Contact experts in Fluid Dynamics to get answers

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Questions related to Fluid Dynamics

How can I calculate the angle between two beams, sampling frequency, sampling time and shift frequency of laser doppler velocimetry?

wave length =500nm, velocity range=100-400 m/s. time=5 sec. how to calculate the angle between two beam,sampling frequency, sampling time and shift frequency of laser doppler velocimetry? what is...

04 April 2015 1,943 3 View

Do you know of experimental data for the dynamics of an atomizing liquid jet?

We have developed some physical-mathematical models for the dynamics of a round full-cone high-speed atomizing liquid jet. Here "high-speed" means above 30 m/s or so (ideally above 50 m/s) for a...

04 April 2015 6,197 10 View

How the traction over the surface of a particle is computed from the mobility of a point force in Fourier space?

Let us consider a spherical particle of radius a, moving inside a viscous fluid in the low Reynolds number regime. After solving the Stokes equations in Fourier space, for a time dependent point...

04 April 2015 5,692 2 View

How can I calculate the airway resistance of a tube?

Hi to all, I construct a plant including a way for passing of air. I can measure pressure at the start and end of tube and flow rate and maybe temperature. I add an extra artificial orifice as...

04 April 2015 4,267 3 View

There are studies that analyze the dynamics of fluids in the carotid arteries?

Even through computational analysis, comparing patients with or without carotid plaque? Thanks

04 April 2015 6,277 4 View

How to do optimum refrigerant distributor design?

I have some problem at evaporator such as flow side non-uniform distribution. I want to design a new distributor in detail. Normally I have been using nozzle type distributor but I don't ensure...

04 April 2015 8,448 5 View

Can anyone explain me the problem in CFD?

For a flow in cavity, if we use the primitive variables to solve the problem by a fully implicit method, why does the system is singular if we use the mass continuity equation rather than deriving...

04 April 2015 5,949 5 View

What are the applications of Ventilation in computational fluid dynamics?

how the ventilation is applicaable? give some applications

04 April 2015 2,883 4 View

Which one offers biggest shear stress value than other, laminar or turbulent?

If I compare between the flow conditions in laminar with turbulent, there is difference between the viscosity generated resistance for both laminar and turbulent which one have the biggest value...

04 April 2015 5,842 7 View

What is the relationship between average Nusselt number and Reynolds number?

avg nusselt number reynoldsno 10-100000

04 April 2015 7,694 7 View

Does someone know where could I find material on the multiphase SIMPLE algorithm?

I am looking for a very specific paper "A phase coupled method for solving multiphase problems on unstructured meshes" from ASME 2000 meeting. Or what ever information about the PC-SIMPLE...

04 April 2015 6,575 1 View

Which adverse pressure condition or zero pressure condition is most likely to cause boundary layer separation?

I am waiting for answer please answer me.

03 March 2015 6,805 5 View

How does vorticity affect the pressure and entropy in the shock layer in case of hypersonic flow?

How vorticity effects shock structure in hypersonic flow case?

03 March 2015 3,031 2 View

What is the value of drag coefficient in the case of hypersonic flow for sphere and hemisphere configuration?

I want to know the formulation as well as the range of drag coefficient values for sphere and hemisphere. Thank you

03 March 2015 4,928 4 View

Can anybody point to the experimental studies of instability of flow over a saturated porous medium or flow in channel with porous walls?

There are a lot of theoretical models, and it is necessary to verify them.

03 March 2015 497 3 View

Does anyone know any previous CFD analysis carried out on Elliptical or rectangular cross sectional Elbows carrying spherical capsules ?

The pressure drops at two different upstream and downstream locations

03 March 2015 7,966 5 View

How can I measure the non-uniform temperature distribution of gas flow throughout the cross section of the flow conduit?

Gas is flowing through a pipe. Temperature of the gas is highly non-uniform throughout the cross section of the pipe. How can I measure the non-uniform temperature distribution throughout the...

03 March 2015 9,439 8 View

How can I find the velocity profile of thin liquid films in cylinder?

fluid mechanics

03 March 2015 3,354 5 View

Viscous drag gets reduced on wet moist air surface, can it be compensated by the tyres that increases its contact patch in those conditions?

The viscous drag plays a role in determining the co-efficient of fricton

03 March 2015 2,462 1 View

Is it the flow in a tube same with a differential measurement of the fluid reservoir ?

Greetings:with a number of assumptions,Is it the flow in a tube similar with a differential measurement of the fluid reservoir ?How far are we from the fact that if these assumptions can be...

03 March 2015 5,441 2 View

Important: Dimensionless Number in Nanofluids?

Anyone knows that there are some important parameters in thermal performance analysis of nanofluids (Nanoparticle material, nanoparticle dimension, nanoparticle shape, volume concentration, base...

03 March 2015 3,108 6 View

Do you know you can test Pressure from PIV using OpenPIV?

OpenPIV group has released the Pressure from PIV code and the test case on our open source particle image velocimetry project website: http://www.openpiv.net, see the attached link.

03 March 2015 7,687 1 View

Where is the best place to locate the hotwire for vortex shedding measurement of a circular cylinder?

How far it should be from the cylinder, also has it to be located in the y=0 position or it needs to be relocated in y direction?

03 March 2015 7,789 7 View

Anyone have study materials for non-equilibrium in hypersonic flows? Can anyone suggest some books?

I want to study non-equilibrium phenomena in hypersonic flow. Please provide me the materials related with the same.

03 March 2015 6,224 4 View

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