DPM-Source Code for Standard Vaporization Law
 

I have been going through the forum archives and it seems that there used to be a link to the standar laws' source codes.

Sadly, this link has been removed. Did anyone managed to save a copy or have access to the source codes.

Desperately need this to debug a UDF that I have wrote to control the vaporization particles in DPM.

Please help if you can.

Re: DPM-Source Code for Standard Vaporization Law
 

A few years ago, our Fluent support engineer shared some details of the standard source code for volatilization. We have incorporated this into our own custom laws.

Perhaps you could talk to your support engineer. Or, if you had some specific question, I might be able to help.

Re: DPM-Source Code for Standard Vaporization Law
 

Thank you Allan. Let me describe specifically my question:

I have written an UDF to control the droplet saturation vapour pressure in an attempt to implement a droplet drying model through using the standard vaporization model.

The UDF works well until the final stages of vaporization (as the mass changes becomes smaller), the droplet mass suddenly drops to the 0%volatile as though there is a sudden vaporization.

I have arbitrarily set the boiling to very high such that the boiling model will not be activated. Double checking and collecting operating data from the UDF did not reveal any problem. I reckon if we can look at the vaporization law 'black box', we can find out what is the cause.

Hope you can offer your help.

Woo

Re: DPM-Source Code for Standard Vaporization Law
 

If you want to give me your e-mail address, I could send you some generic info.

Re: DPM-Source Code for Standard Vaporization Law
 

Definitely.

My email: woomengwai@gmail.com , woomengwai@hotmail.com

You can send to either one. Thank you.

Hi Allan. I have been struggling with the devolatilization law for a long time. I planned to implement a standard single rate model so that I could development my own model base on those codes. However, I failed to code the standard devolatilization model.

At this moment, I have coded the single rate model, also considered the particle diameter and the heat transfer. I don't know how to deal with the source term correctly, although I can use the DPM_SOURCE macro, but the result is different from that computed by the default model.

Could you please give me some advise or share some information?
My email is malcolmcheong1988@gmail.com

Thank you in advanced.

Hi Allan,

This would also be very invaluable to me. Here's my email address: chip_spark@yahoo.com

Thanks a lot!

Hi, I need some information about the vaporization law code as well.It would be great if someone could help me :D

My mail ID is abhiroop.bhadra08@gmail.com


Thanks,

Hi Allan,

I was study it now ,could you give it to me? Here's my email address: braveboy2008@163.com

Thanks a lot!

Hi
I need also some information about the vaporization law code. It would be great if someone could help me
Here's my email address: m.yazdanpanah.j@gmail.com

Thanks in advanced

Hi
I am too in need of vapourisation law code. Actually am doing research in plasma spray It would be grateful if u share it with me.

My mail id sowmiphysics21@gmail.com

Thanks in advance..

I am in need of vaporization source code. can you send me ??
my mail-id is: dineshdasaris12@gmail.com

Dear Allan,
I am confused about the functions like DevolatilizationLaw(tp), SurfaceCombustionLaw(tp), etc. Could you provide me some source codes about these functions ?
And besides, I want to know the difference between DEFINE_PR_RATE and the SurfaceCombustionLaw, because I don's know which should be used when writing particle reaction codes.
My email :945303762@qq.com
Thanks a lot.

Particle Laws
 

Following laws are written within Fluent's source code, however, users can use these directly by providing the Tracked_Particle as argument within any DEFINE_ function.

FLUENT_EXPORT void InertHeatingLaw(Tracked_Particle *tp);
FLUENT_EXPORT void VaporizationLaw(Tracked_Particle *tp);
FLUENT_EXPORT void BoilingLaw(Tracked_Particle *tp);
FLUENT_EXPORT void DevolatilizationLaw(Tracked_Particle *tp);
FLUENT_EXPORT void SurfaceCombustionLaw(Tracked_Particle *tp);
FLUENT_EXPORT void MulticomponentLaw( Tracked_Particle *tp);
FLUENT_EXPORT void HeatMassUpdate (Tracked_Particle *, int);
FLUENT_EXPORT void AddSources(Tracked_Particle *tp);

DEFINE_SR_RATE is a macro that can be used to define reaction rates at the surfaces, such as, walls. This cannot be used for particle surface.