Mahyar Seyd Eshaghi

6 Questions 23 Answers 0 Followers

Questions related from Mahyar Seyd Eshaghi

Absorption coefficient of opaque materials in ANSYS Fluent?

Dear Experts, I am new to thermal radiation modeling. I am currently trying to model fluid flow inside a glass tube containing twisted tape and water as working fluid. Owing to the fact that the...

26 July 2021 8,015 2 View

How to obtain radiation wavelength in UDF?

Dear Experts, Consider a case being solved by fluent while the non-gray model is active. I would like to write a UDF which obtains the wavelength of the current radiation-band and utilizes this...

01 January 1970 5,185 2 View

Turbulent Flow in a tube with Twisted-tape results in sharp vibrations in residuals

Dear Experts I am trying to solve a Turbulent water flow inside a tube with a 1cm diameter utilizing a twisted-tape as a heat transfer enhancer. I have tried the SST k-omega model as well as the...

01 January 1970 9,347 26 View

Amino functionalized, carboxyl functionalized and hydroxyl functionalized CNTs comparison and differences

Dear Experts, I intend to acquire some functionalized MWCNT or SWNCT for their higher stability and optical properties; however, I have no clue about discrepancies between hydroxyl, carboxyl, and...

01 January 1970 8,801 3 View

Convergence issues: turbulent Flow in a tube with Twisted-tape

Hello dear experts, I am currently running a CFD calculation on turbulent flow inside a pipe with a tight-fit twisted tape. For velocity inlets of 1m/s and 0.4 m/s, the solution converges, and the...

01 January 1970 8,885 4 View

How can constant boundary condition lead to transient behavior of governing equations

Greetings dear experts, I am solving a turbulent flow, inside a tube twisted tape. I was wondering provided that the boundary conditions are set as constants, could it be possible that the flow...

01 January 1970 3,012 5 View