CFD Online Logo CFD Online URL
Home > Forums > CFX

about Mass Fraction

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

LinkBack Thread Tools Display Modes
Old   June 16, 2008, 12:42
Default about Mass Fraction
Posts: n/a
Hi,everybody, I've got a little question about mass fraction.

I used a variable component material(7 components) as the working fluid in my CFX simulation case(A reactor, including duct connected with it).

After proceeding to CFX-Post, I made a xy-plane as a cross section in the Reactor, and the variable I chose was "NH3 Mass Fraction"(NH3 is one of the 7 components). The plot did display a colour difference on the xy-plane, which indicated a value difference of the "NH3 Mass Fraction".

However, after I exported a .csv file of the value "NH3 Mass Fraction" and opened it in Excel, I found that the values are the same on different points of the plane.

I'm really curious about it. Is it caused by the fluid material type I have set? Since I have separately set the 7 component fractions one by one for the inlet boundary condition and the initialisation.

  Reply With Quote


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
Water subcooled boiling Attesz CFX 7 January 5, 2013 04:32
mass fraction of species Lilly FLUENT 3 July 25, 2011 05:00
mass flow in is not equal to mass flow out saii CFX 2 September 18, 2009 08:07
On the damBreak4phaseFine cases paean OpenFOAM Running, Solving & CFD 0 November 14, 2008 22:14
CFX Solver Memory Error mike CFX 1 March 19, 2008 08:22

All times are GMT -4. The time now is 12:19.