External Gear Pump Simulation using ANSYS CFX

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External gear pump simulation using ansys cfx

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External gear pump transient CFD simulation performed with immersed body solver of ANSYS CFX. CFX simulation files are also attached for download. Enjoy! Original gear pump CAD reference/source: Juan Esteban Paz (JEPaz) (https://grabcad.com/questions/ansys-external-gear-pump-simulation-inmersed-solids-cfx). In case you use it you must give credit.

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448 Downloads

21 Likes

36212 Views

31 Comments

13 Files

166 MB Project Size

March 3rd, 2017 Uploaded

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Video | External Gear Pump Simulatio...

Atif Masood

FC Score 2212.15

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234 Projects

789 Likes

13932 Downloads

Refetch of
...

External Gear Pump Mesh for Simulation

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Responses (31)

phong doan

can you send me file of this project, please?

on June 23rd, 2017

Atif Masood

Project Author

Project file is attached. Just click download button :-)

on June 23rd, 2017

phong doan

:-) i need project's setup file, please

on June 26th, 2017

phong doan

thanks i done it, but i don't know that simulate project like your clip

on July 13th, 2017

Atif Masood

Project Author

You can also follow similar project tutorial (lobe pump) here http://fetchcfd.com/view-project/730 if you have any further issues.

on July 13th, 2017

Zohair Sayyid

Hi Atif, Was dynamic mesh used in this case. If not then how did you create moving reference frame in which the gears are in fact meshed with each other. ?

on August 2nd, 2017

Atif Masood

Project Author

Hi Zohair, immersed body solver technique is used to simulate rotating gears. You can check out this very similar tutorial (on lobe pump) here for more details: http://fetchcfd.com/view-project/730

on August 4th, 2017

Atif Masood

Project Author

Yes, because of the opening BC at outlet. I used opening BC to avoid convergence problems. You can avoid it either by using outlet BC or

on March 13th, 2017

Atif Masood

Project Author

Check again its corrected now

on March 16th, 2017

sechang Park

there are reverse flow.... check the vector of velocity

on March 13th, 2017

Sslizmhan Gafurov

Hello Atif. I made several attempts to open your files, but the .rar files are damaged and could not be opened. None of them cannot be opened. Could you, please, put inside only def file, for example?

on July 17th, 2018

Atif Masood

Project Author

increase the length of the outlet domain (i.e. put the outlet surface further away)

on March 13th, 2017

Atif Masood

Project Author

I assume from setup file you mean .cfx file. Actually .def/.res files can also be used as setup files. You just need to open them in CFX Pre-Processor. There you can modify/edit them as well. Moreover, in the refetch of this project you will also find the project with mesh files.

on July 1st, 2017

muhammad yusof

does anyone have the steps for plate heat exchanger simulation?

on November 6th, 2017

mohammad rahmanian

can you send me file of this project, please?

on November 15th, 2017

Atif Masood

Project Author

It is attached with this project, you can download it by clicking on download button.

on November 16th, 2017

mohammad rahmanian

dear mr atif masood i am having a research about the effect of backlash between teeth on outlet pressure of external gear pumps. please guide me how to determine inlet and outlet condition so that by changing the backlash between the gears outlet pressure would change and would not be constant. please let me know to send you the problem conditions is needed. thank you for your time

on November 16th, 2017

Salvatore Basso

Dear Mr. Atif, it's possible to have the ".def" format files of the simulation, please? Thanks in advance.

on January 30th, 2018

Atif Masood

Project Author

Dear Salvatore, you can open res file in CFX and modify it and save it as def of cfx file again.

on January 30th, 2018

Salvatore Basso

Dear Mr. Atif, I can't access to the ".res" file bacause of an error reading. Probably is damaged. What is the CFX release that you used? Thanks a lot.

on February 2nd, 2018

Atif Masood

Project Author

I just checked again; file is not damaged. There are three files which you need (with correct order) to unrar the .res file. Version used for this simulation is 15.0

on February 2nd, 2018

ehsan alahrabi

Dear Mr.Atif, i want to simulate air twin screw compressor.can i use this simulation by little change?My geometrie made in solidworks.should i convert solid body of male rotor and female rotor to surface?i means ,should i have just layer of rotor like shroud of casing or no?

on March 3rd, 2018

Atif Masood

Project Author

Def. file is also included.

on August 4th, 2018

VUONG VU

Dear Atif, can you upload step by step video? i'm beginer, so i feel it very difficult to set up. thks u

on October 4th, 2018

Atif Masood

Project Author

Hi Vuong, there is already a very similar step by step tutorial available on lobe pump. You can check it out here: https://fetchcfd.com/view-project/730-Tutorial-%7C-Lobe-Pump-CFD-Simulation-with-ANSYS-CFX.

on October 6th, 2018

phong doan

i can't extract .zip file because it requires volumes

on July 13th, 2017

zak zikou

please, can i do it with ansys fluent?

on September 21st, 2019

Atif Masood

Project Author

Zak yes you can, mesh you will need you can find in the Refetch of this project.

on September 21st, 2019

Ali usca

Why are holes drilled in both casing and gear ?

on October 8th, 2020

Atif Masood

Project Author

The casing in this simulation is representing basically the region in which fluid flow will occur. So the space which you are refering to as holes (if I understood you correctly) is space which in flow simulation not needed as there will be no flow there, therefore not considered.

on October 8th, 2020

Ali usca

So those holes might not be right?

on October 19th, 2020

File Name	Size	Type
External-Gear-Pump-Simulation-ANSYS-CFX-Simulation-Files.part1.rar	47.19 MB	Rar file
External-Gear-Pump-Simulation-CFX-Velocity-Streamlines-FetchCFD.jpg	0.07 MB	Image
External-Gear-Pump-Simulation-ANSYS-CFX-Simulation-Files.part2.rar	47.19 MB	Rar file
External-Gear-Pump-Simulation-ANSYS-CFX-Simulation-Files.part3.rar	33.22 MB	Rar file
External-Gear-Pump-Simulation-Problem-Description-FetchCFD.jpg	0.10 MB	Image
External-Gear-Pump-Simulation-CFX-Pressure-Mid-Plane-FetchCFD.jpg	0.05 MB	Image
External-Gear-Pump-Simulation-CFX-Velocity-Contour-FetchCFD.jpg	0.06 MB	Image
External-Gear-Pump-Simulation-CFX-Velocity-Contour-Velocity-Vectors-FetchCFD.jpg	0.06 MB	Image
External-Gear-Pump-Simulation-CFX-Velocity-Streamlines-FetchCFD.jpg	0.05 MB	Image
External-Gear-Pump-Simulation-CFX-Velocity-Streamlines-view-2-FetchCFD.jpg	0.05 MB	Image
External-Gear-Pump-Simulation-3D-FetchCFD .glb	15.06 MB	GLB Model
External-Gear-Pump-Simulation-3D-Slice-Pressure.x3d	15.78 MB	X3D Model
External-Gear-Pump-Simulation-ANSYS-CFX.def	7.31 MB	CFX Def File

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