Laminar Flow Analysis by COMSOL Multiphysics (Fluid Flow Module)

Laminar Flow Analysis by COMSOL Multiphysics (Fluid Flow Module)- This video explains How to Perform Finite Element Analysis of Laminar Flow in a Pipe in details by using COMSOL Multiphysics.In fluid dynamics, laminar flow is characterized by fluid particles following smooth paths in layers, with each layer moving smoothly past the adjacent layers with little or no mixing. At low velocities, the fluid tends to flow without lateral mixing, and adjacent layers slide past one another like playing cards.

Geometry Specifications-
Cylinder of Radius of 12.5 mm and a length of 300mm

The fluid here used is water. Density of water is 1000 kg/m^3. The dynamic viscosity of water is 0.00089 Pa-s. Calculate Reynolds number and see if it falls within Laminar Region.

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[Electrohydrodynamics]

Excellent tutorial and clear explanations! Easy to understand and pronunciation is also clear for me to understand. Thank you!

[kavitatiwari]

In my case Boundary condition only include pressure, velocity, mass flow, and fully developed flow and not the condition for laminar flow.
How do I check for entrance length effect in laminar flow ?? ???

[vishwasn]

Can you please add calculations of shear stress and shear rate at wall at different z values ? Thanks

[heattransfer]

Hello. For a 2D laminar flow, what should be the expression for wall shear stress? spf.mu*spf.sr or what else? Some parts of the wall are not perpendicular to x or y axis? Does it make any difference?

[akhileshtomar]

Sir thanks a lot for your video... Sir i have comsol 5.6 and in boundary condition it is showing fully developed flow rather than laminar flow... So please guide me what can i do for it to get the laminar flow results.

[royalezking]

hey , how xe coul calcul the reynolds numbers of o figure please

[newssport]

Please tell me how we add fixed bed in this cylindre

[dr.mohanadm-ridha]

Could you if it is possible simulate fluidized bed reactor solid liquid with adsorption with isotherm model

[beytullahismettoprak]

How can we do a symmetric model analysis in comsol for heat transfer look like this example?

[CHANNELWEIRDO]

Please make a video on optimisation of laminer flow 😊

[hiteshkumargupta]

you are saying comsol is finte volume software is it right or it is finite element software

[danialimran]

Greetings, sir we have to oil into water and water into oil emulsion in comsole, can you guide us related this ?

[hodbme]

can we couple ac dc module with laminar flow. if can, which parameter is the dependent variable

[dembafaye]

how to modeling two phases for example oil+sand?

[jakeezetci]

thank for the can you please share the song from the intro??? very cool music

[saikrishna-shul]

Sir, can you please tell how to find surface resistance( electrical contact resistance) in COMSOL. I m doing a project on spot welding. I need to find the surface resistance between steel and aluminium.

[diwakar]

Is it possible to write a equation in comsol?

[shuvekshasapkota]

Sir i am studying for the effects of roughness on a circular microchannel. I want to create the entire rough surface on the inner surface of the channel. I have my conditions as:
Outer diameter- 0.282mm
Inner diameter- 0.123 mm
Length --- 140 mm
Roughness height--- 1.4 micrometer
standard deviation-- 1 micrometer.

Please provide me a demonstration on how to create the model with rough surface and study the heat transfer characteristics. It will be you major help sir.

[edwinrobert]

Please sir can you make video of fluid flow in porous media and subsurface flow (fracture flow) section??? In comsol multiphysics?

[louaerbadito]

thank you, next time use big elements for mesh in order to reduce the calculation time.