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CFD,Turbulence, turbo-machinery and combustion

Posted March 6, 2020 at 04:32 by pachputesharad (CFD Flow Engineering for Beginner and Industry Peofessional)
Updated November 13, 2020 at 08:38 by pachputesharad (Corrected)

CFD Flow Engineering

1) CFD Basics for Beginners:


https://cfdflowengineering.com/basic...for-beginners/

2) CFD of Turbo-machinery:

https://cfdflowengineering.com/cfd-m...rbo-machinery/


3) Combustion Basic and CFD Modeling


https://cfdflowengineering.com/combu...-for-beginner/


4) CFD Modeling Turbulent Combustion


...
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Old

Physical Aspects of Lagrangian Particle Tracking (DPM)

Posted March 1, 2020 at 05:41 by vinerm
Tags dpm, lagrangian, lpt

This blog is first of the two part blog related to DPM Modeling. It is not to be considered as a professional document. Nor is it meant for those who consider themselves to be expert in DPM. It is meant as a guide for the beginners who want to understand various aspects related to DPM Modeling. Though terminology is meant to be general but it is rather closer to the one used in Fluent. Of course, experts are also welcome to go through it and share their comments.

Assume that there...
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Old

Quick notes on testing optimization flags with OpenFOAM et al

Posted January 20, 2020 at 18:45 by wyldckat

Greetings to all!

Tobi sent me an email earlier today related to this and I might as well leave a public note as well, to share with everyone the suggestions I had... so this is a quick copy-paste-adapt for future reference, until I or anyone else bothers with writing this at openfoamwiki.net

I have no idea yet for the current generation of Ryzen CPUs (Ryzen 3000 series), but I do know of this report for EPYC: http://www.prace-ri.eu/best-practice-guide-amd-epyc
If...
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Old

Mixing of two Fluids

Posted August 16, 2019 at 10:00 by pconen
Updated January 28, 2021 at 05:33 by pconen

Dear Foamers,

I worked at a mixing process.
Here is a example for a model.
https://www.dropbox.com/sh/5rndjj0qs...Wci0dlNqa?dl=0
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Old

Determination of mixing quality/ uniformity index

Posted August 16, 2019 at 03:10 by pconen
Updated January 28, 2021 at 05:36 by pconen

Dear guys,

for a long time I had problems determining the mixing quality of a mixing line. Now I've come across a usable formula. I would like to share this with you.
It is the degree of uniformity also called uniformity index.
The calculation is cell-based.
U = 1 - (SUM^{N}_{i=1}(Ci-Cm))/(2*N*Cm)
with N cells
and concentration of a cell Ci
and the arythmetic agent Cm
Cm = (SUM^{N}_{i=1}(Ci))/N
The easiest way is to export the...
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