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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: omidiut

Forum: CFX March 12, 2013, 07:13

Replies: 21 find choking range in orifice Views: 3,898 Posted By omidiut in my simulation mach reachs 4.58 , what it means? in my simulation mach reachs 4.58 , what it means?

Forum: CFX March 12, 2013, 06:31

Replies: 21 find choking range in orifice Views: 3,898 Posted By omidiut How much increase it? decrease only downstream... How much increase it? decrease only downstream pressure?

Forum: CFX March 12, 2013, 06:30

Replies: 21 find choking range in orifice Views: 3,898 Posted By omidiut Yes it is axisymmetric , but for include... Yes it is axisymmetric , but for include turbulence effect i simulate whole 3 D of model. the max. of mach number is 4.58. i haven't any data about experimental investigation and don't know is this...

Forum: CFX March 12, 2013, 06:26

Replies: 21 find choking range in orifice Views: 3,898 Posted By omidiut With better mesh quality i can finally improve... With better mesh quality i can finally improve rate of convergence. Know my basic question is: How can i find flow is choked of don't? if not how can i find choking range to study effect fo other...

Forum: CFX March 12, 2013, 00:34

Replies: 21 find choking range in orifice Views: 3,898 Posted By omidiut Thank you for your attention dear Glenn ... Thank you for your attention dear Glenn attached file is a picture of mesh, there is about 462235 element. There is a pipe with 82.804 mm diameter and orifice with 17.14 mm bore diameter....

Forum: CFX March 11, 2013, 07:19

Replies: 21 find choking range in orifice Views: 3,898 Posted By omidiut I use local time scale and overflow error doesn't... I use local time scale and overflow error doesn't appear. convergence is too difficult. by local time scales in order 0.01 there is a notification about high mach number about 400 with small time...

Forum: CFX March 6, 2013, 01:13

Replies: 21 find choking range in orifice Views: 3,898 Posted By omidiut Thank you for your replies dear oj.bulmer and... Thank you for your replies dear oj.bulmer and ghorrocks i'm trying to investigate some parameters such as thickness of orifice(or length of orifice), multi holes orifice, multi stage orifice, and...

Forum: CFX March 5, 2013, 01:08

Replies: 21 find choking range in orifice Views: 3,898 Posted By omidiut find choking range in orifice Hi all I'm trying to simulate flow in orifice plate. How can i find when orifice will be choked? for capture choking steady state solution is better or transient solution? Best regards

Showing results 1 to 8 of 8

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