CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > FLUENT

same static and total temperature problem

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   August 14, 2013, 00:47
Default same static and total temperature problem
  #1
New Member
 
preetam
Join Date: Feb 2012
Posts: 23
Rep Power: 5
preetam69 is on a distinguished road
hi,

i am trying to simulate simple pipe flow with mass flow inlet boundary condition at inlet and pressure outlet at outlet.

when i check the mass weighted avg. static temperature at inlet and outlet, it is 850K and when i check mass weighted avg. total temperature at inlet and outlet it is still 850K. in case of mass weighted average velocity it is some where near 200m/s,so there should be difference between static and total temperature.

can someone suggest here what is going on? the problem setup maybe wrong,but when it shows velocity magnitude of about 200m/s,how can the static and the total temperature be same?
preetam69 is offline   Reply With Quote

Old   August 15, 2013, 17:17
Default
  #2
New Member
 
alireza
Join Date: May 2013
Location: shiraz
Posts: 11
Rep Power: 4
alireza9359300 is on a distinguished road
I think its refer to the fluid properties.
solve your problem twice:
1-with constant density
2-without constant density
you will be see the difference. in one of them contour of temperature is same but in other one is different.
alireza9359300 is offline   Reply With Quote

Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Tf is averaged by static or total temperature ?? NPU_conanxie Main CFD Forum 0 April 6, 2011 21:30
Bulk temperature Tf is obtained from total or static temperature? NPU_conanxie FLUENT 0 March 30, 2011 05:56
static temperature is higher than total temp. in buoyancy problem amirbahador FLUENT 2 October 24, 2010 07:21
Total temperature and static temperature rogbrito CFX 1 June 21, 2009 18:37
The static temperature is higher than total temp devy FLUENT 0 March 27, 2003 21:16


All times are GMT -4. The time now is 22:25.