|
[Sponsors] |
August 20, 2011, 20:16 |
Pressure calculations
|
#1 |
New Member
shrevats
Join Date: Aug 2010
Posts: 2
Rep Power: 0 |
What is the difference between absolute total pressure and absolute pressure in star ccm+?
|
|
August 23, 2011, 16:01 |
|
#2 | |
Senior Member
Ryne Whitehill
Join Date: Aug 2009
Posts: 312
Rep Power: 18 |
Quote:
Absolute pressure is the static pressure (not a gauge pressure, which is what the absolute refers to) Absolute total pressure is the stagnation pressure, also not a gauge pressure |
||
August 23, 2011, 21:15 |
|
#3 |
New Member
shrevats
Join Date: Aug 2010
Posts: 2
Rep Power: 0 |
Hello rwryne,
Thanks for the reply!I found one more field variable which is just "pressure" in star ccm+.Does this denote the gauge pressure?Does it include any other components?I am posing this question because the three pressure variables:"absolute total pressure","absolute pressure" and "pressure"indicated different values in my case. |
|
August 24, 2011, 08:42 |
|
#4 | |
Senior Member
Ryne Whitehill
Join Date: Aug 2009
Posts: 312
Rep Power: 18 |
Quote:
They should all indicate different pressures, except on walls! There are actually 4 scalar fields related to pressure, you are leaving off Total Pressure. But yes, "pressure" and "total pressure" denote gauge pressures. |
||
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Calculation of the Governing Equations | Mihail | CFX | 7 | September 7, 2014 06:27 |
Fluent natural ventilation pressure boundary condition | pierresandre | FLUENT | 24 | November 8, 2011 14:32 |
Boundary Conditions : Total Pressure or Velocity | Gearb0x | OpenFOAM Running, Solving & CFD | 2 | February 28, 2011 21:18 |
Operating condition in Fluent | MASOUD | FLUENT | 3 | September 16, 2010 17:50 |
Setting pressure and velocity in inlet | Asghari | FLUENT | 5 | September 22, 2006 13:23 |