Ajith Krishnan

6 Questions 10 Answers 0 Followers

Questions related from Ajith Krishnan

Divergence detected in AMG solver for temperature and species , DEFINE_VR_RATE, Fluent ?

In 2D Model, Reaction in porous Zone, Error occurs on hooking UDF , DEFINE_VR_RATE in Fluent, .The error spikes just after running calculation after 1st iteration. Divergence detected in AMG...

17 November 2020 9,803 3 View

How to create a surface plot and contour? If i have an excel file with X, Y ,Z values of the surface ( Periphery of a tube) and Q (heat flux) value.?

Need to create 3d surface plot. Data I have X, Y ,Z coordinate of the pipe surface and the corresponding Q (heat flux) values at that point. Nearly 222440 data points of a 2m length pipe. Thank you

08 October 2020 10,081 7 View

Initialization in Fluent? Hybrid initialization or Standard initialization ?

Looking towards an incompressible flow (with K-e, turbulence model), with mass flow/velocity inlet and Pressure outlet boundary condition. Which initialization method preferred? How far it can...

06 October 2020 6,109 5 View

How the critical heat flux vary with channel size for the same mass flux? Is there a general definition such that CHF increases with channel size?

If we take same square channel of different sizes, and allowing same mass fluxes through both, the small one or the bigger one can withstand the early dry out. I conclude the bigger one since...

05 September 2018 8,163 1 View

DEFINE_SR_RATE, reaction only in Porous Region. Warning: Zero number of gas phase reactions, Fluent- Is it usual and any setting wrong?

For a reaction in porous zone, DEFINE_SR_RATE udf was used. Fluent returns warning : Zero number of gas phase reactions, when UDF hooked and run the calcualtion. Is it usual, as there is only...

01 January 1970 4,764 2 View

How gravity effects bubble motion is small channels, can it be neglected completely, at what size it can be neglected?

01 January 1970 6,203 5 View