Ali Minaeian

8 Questions 33 Answers 0 Followers

Questions related from Ali Minaeian

How to design a centrifugal fan?

Hi every body, I need a trend for design a industrial ventilator, which works on in incomprehensible air flow. I know that these steps should be considered: 1- Calculation of Y: Y = g*H -...

21 December 2019 9,178 0 View

What's the difference between "second order viscoelastic model" and the other viscoelastic models?

Hi all, I saw the second order viscoelastic model in many papers which is used as constitutive eqn. What's the difference between "second order viscoelastic model" and the other familiar...

27 January 2019 9,760 2 View

Metal melts: Newtonian or non-Newtonian??

Hi all. Are metal melts considered Newtonian or non-Newtonian? If they are non-Newtonian, do you know which kind of non-Newtonian fluid they are? I know that we can do water modeling for some...

24 February 2018 687 4 View

Dominant mechanism of heat transfer, conduction or convection

Hi, Is there any criterion (e.g. a non-dimension number) to find out which heat transfer mechanism is dominant in a phenomenon? I've solved a heat transfer problem and now I want to know which...

01 January 1970 5,094 17 View

Drag coefficient applied on a cylinder

Hi all As we know the drag force applied to a cylinder in flow is included by 2 parts: friction part and pressure part. 1- In bluff body (like infinite cylinder) the pressure portion in total...

01 January 1970 2,600 29 View

Sampling average velocity on a curve in openFOAM

Hello everybody I want to sample the data on the red line along the curve duct. In fact, I want to have the average velocity on the red line along the curve duct. Do you know how I can do...

01 January 1970 5,578 4 View

How to turn the system on, connect the net, and run a software automatically

Hi all, You may want to work with your office system from another place, for instance from your house. It is a common event that your internet, or VPN gets disconnect, or the electricity becomes...

01 January 1970 2,988 0 View

Making a viscoelastic fluid

Hi all, I want to make 15 liter viscoelastic fluid to use in PIV tests of flow around a cylinder located in a channel. At first, I wanted to make Boger fluid with PAAM (Mw=20e6 or Mw=5e6 g/mol)...

01 January 1970 5,398 3 View