Mohammadreza Kord

5 Questions 10 Answers 0 Followers

Questions related from Mohammadreza Kord

How to calculate the apparent viscosity in porous media(the flow that has shear and elongation flow)?

According to the "chauveteau 1981" article, the apparent viscosity decreases at low shear rate and then increases after a critical shear rate. He didn't mention how to calculate the apparent...

17 April 2024 4,803 4 View

How to make the pressure dimensionless when the Re number is changing?

Hello everyone I'm simulating some problem (fluid flow in a wavy channel) with increasing the Re number and i want to check pressure difference in it. I need the pressure difference to be...

05 March 2024 2,790 4 View

What percentage of error is acceptable for two graphs to be in-phase?

I have two graphs of pressure and velocity at a point over the time and they need to be in-phase . There is a small value of phase difference between these graphs. What percentage of this value is...

19 December 2023 3,407 4 View

Why doesn't the velocity fluctuate in a 2D wavy channel in high mesh number but it does in low mesh number?

hello everyone. i'm working on a fluid flow into a wavy channel and i wrote a time-varying equation code of pressure for inlet boundary condition of pressure in openfoam and set the...

06 December 2023 9,088 2 View

What boundary condition should i set for inlet and outlet of velocity to determine it based on pressure gradient?

Hello everyone. I'm working on a 2D wavy channel and simulating a fluid flow. I wrote a time_varying pressure equation code at the inlet boundary condition of P file in openfoam and set the zero...

28 November 2023 2,109 3 View