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Search took 0.00 seconds. Search: Posts Made By: az1362f
Forum: OpenFOAM Running, Solving & CFD July 22, 2009, 12:51
Replies: 59
Views: 7,530
Posted By az1362f
limiter

Hello Dear Dr Nordin;

I saw in RASProperties file that for K-epsilon model there are two parameters for limiter :" muLimiter on;Lsgs 0.0002;

are these parameters activate...
Forum: OpenFOAM Running, Solving & CFD July 20, 2009, 04:51
Replies: 59
Views: 7,530
Posted By az1362f
Question finding parcel

Hi to all,

any body knows how openfoam check the existence of particle in an eulerian cell?
in the other word which function or class find if there is a parcel in the current cell?
Forum: OpenFOAM Running, Solving & CFD July 13, 2009, 11:09
Replies: 59
Views: 7,530
Posted By az1362f
Question turbulence length scale

Hi Dear Niklas;

I am very thankful for your very good and complete answers.

I have a question about where is the implementation of eq.117 in Foam?

also,I studied your article by subject of...
Forum: OpenFOAM Running, Solving & CFD July 11, 2009, 17:44
Replies: 59
Views: 7,530
Posted By az1362f
turbulent length scale

Hi Dear Niklas;

I am very thankful for your very good and complete answers.

I have a question about where is the implementation of eq.117 in Foam?

also,I studied your article by subject of...
Forum: OpenFOAM Running, Solving & CFD July 9, 2009, 10:44
Replies: 59
Views: 7,530
Posted By az1362f
Question implementation

Hi Dear Niklas;

I am very thankful for your very good and complete answers.

I have a question about where is the implementation of eq.117 in Foam?

also,I studied your article by subject...
Forum: OpenFOAM Running, Solving & CFD July 7, 2009, 06:22
Replies: 59
Views: 7,530
Posted By az1362f
Hi Dear NIklas; Which of interpolation...

Hi Dear NIklas;

Which of interpolation scheme did you used in dieselfoam?

equation 116 or equation 117:

if 117 how is it for Hexahedron cell?

thanks
Forum: OpenFOAM Running, Solving & CFD July 4, 2009, 11:55
Replies: 59
Views: 7,530
Posted By az1362f
interpolation scheme

Hi Dear Niklas;

Which interpolation scheme did you use for Inter-Phase Coupling in dieselfoam code?
Where can I see its implementation in dieselfoam code?
I attached two method of Inter-Phase...
Forum: OpenFOAM Running, Solving & CFD July 1, 2009, 12:45
Replies: 59
Views: 7,530
Posted By az1362f
Validating spray

Hi Dear Niklas;

then what is the way to validate spray simulation problem,when you don't know is your solution independent of mesh?

regard
Forum: OpenFOAM Running, Solving & CFD June 30, 2009, 03:11
Replies: 59
Views: 7,530
Posted By az1362f
Question mesh dependency

Hi Dr Niklas;

I tried to solve axi-symmetric dieselfoam for n-heptane fuel,and when I compare my result by experimental result I couldn't find a mesh size of dependency.
I attached my...
Forum: OpenFOAM Running, Solving & CFD June 29, 2009, 11:29
Replies: 59
Views: 7,530
Posted By az1362f
axi-symmetric Mesh

Hi Dr Niklas

I tried to solve last problem that I discussed in my last posts by axi-symmetric mesh but my results likewise were incorrect and far from experimental result.

I attached...
Forum: OpenFOAM Running, Solving & CFD June 27, 2009, 13:35
Replies: 59
Views: 7,530
Posted By az1362f
Unhappy axi-symmetric Mesh

Hi

I tried to solve last problem that I discussed in my last posts by axi-symmetric mesh but my results likewise were incorrect and far from experimental result.

I attached axi-symmetric...
Forum: OpenFOAM Running, Solving & CFD June 26, 2009, 16:58
Replies: 59
Views: 7,530
Posted By az1362f
Question 3D mesh

hi Dear Niklas

what is my mistake?
what is its correction?
how can i describe an axi-symmetric mesh for diesel foam?

I ran a 3D simulation of dieselfoam with last characteristic of n-heptane...
Forum: OpenFOAM Running, Solving & CFD June 26, 2009, 04:40
Replies: 59
Views: 7,530
Posted By az1362f
Question 3D mesh

hi Dear Niklas

what is my mistake?
what is its correction?
how can i describe an axi-symmetric mesh for diesel foam?

I ran a 3D simulation of dieselfoam with last characteristic of n-heptane...
Forum: OpenFOAM Running, Solving & CFD June 25, 2009, 09:53
Replies: 59
Views: 7,530
Posted By az1362f
Question correct mesh

hi

what is my mistake?
what is its correction?
how can i describe an axi-symmetric mesh for diesel foam?

thanks
regard
Forum: OpenFOAM Running, Solving & CFD June 25, 2009, 04:29
Replies: 59
Views: 7,530
Posted By az1362f
Question validating exprimental case

Hi Dear Dr Nordin;

Thanks.
yes,I make a mistake.
Now I am trying to validate a non-evaporating spray of C7H16 experiment with these characteristic:
max.injection pressure= 60 Mpa
injection...
Forum: OpenFOAM Running, Solving & CFD June 23, 2009, 11:28
Replies: 59
Views: 7,530
Posted By az1362f
C12h26

Hi Dear Dr Nordin

No,I changed Therm.dat(N-DODECANE ->C12H26) before I ran dieselfoam,but it generated this error.
what is the problem?

regard
Forum: OpenFOAM Running, Solving & CFD June 23, 2009, 11:27
Replies: 59
Views: 7,530
Posted By az1362f
C12h26

Hi Dear Dr Nordin

No,I changed Therm.dat(N-DODECANE ->C12H26) before I ran dieselfoam,but it generated this error.
what is the problem?

regard
Forum: OpenFOAM Running, Solving & CFD June 23, 2009, 11:23
Replies: 59
Views: 7,530
Posted By az1362f
Smile liquid peneteration

Hello Dear Pastor;

of course you can add these line in both place in spraysummary.h or dieslFoam.c,because dieselFoam call this *.H file in main program but I directly wrote these lines to...
Forum: OpenFOAM Running, Solving & CFD June 23, 2009, 04:31
Replies: 59
Views: 7,530
Posted By az1362f
Question kiva or openfoam

Hi Dear Dr Nordin;

first by following my last question I am planning to alter/add something on my own,which one I would pick?

second I copy new therm.dat file that you putted for me,but I...
Forum: OpenFOAM Running, Solving & CFD June 22, 2009, 21:29
Replies: 59
Views: 7,530
Posted By az1362f
Question Kiva Or openFoam

Hi Dear Dr Nordin;

I know that you work with both KIva and openFoam code,I have a question:

Which of them are really suitable for simulating spray simulation?
Forum: OpenFOAM Running, Solving & CFD June 22, 2009, 21:25
Replies: 59
Views: 7,530
Posted By az1362f
Smile nasa polynomial

Hi Dear Dr Nordin;

I am thankful for your kindly help.I am so glad that have a friend like you.

I also found a pdf like this:
...
Forum: OpenFOAM Running, Solving & CFD June 18, 2009, 01:55
Replies: 59
Views: 7,530
Posted By az1362f
diesel Fuel

Hi

thank you very much for your complete answers dear Dr Nordin.

I found that fuel properties that I want to use are close to diesel fuel.does openfoam has properties of these fuel?
I check...
Forum: OpenFOAM Running, Solving & CFD June 16, 2009, 16:20
Replies: 59
Views: 7,530
Posted By az1362f
initial condition

Hi

I know that these (N2 & O2 files in 0 directory) are initial condition for chamber gas.I am not sure about it when I change them to for example N2=1.0 and O2=0.0,is it like that chamber gas is...
Forum: OpenFOAM Running, Solving & CFD June 15, 2009, 17:13
Replies: 59
Views: 7,530
Posted By az1362f
Question gas and liquid property

hi

I solve my last problem but still I don't know how can I describe chamber gas?

for example for a chamber full of N2 as gas instead of air.
Forum: OpenFOAM Running, Solving & CFD June 14, 2009, 15:43
Replies: 59
Views: 7,530
Posted By az1362f
Question liquid & gas properties

hi

I solved my last problem.
I want to use a diesel fuel with density of 840 kg/m3 and nitrogen (N2) as a chamber gas.
how can I set this two parameters?
I checked C7H16 files (.C & .H) but I...
Showing results 1 to 25 of 37
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