MEM 405 705 STANJAN Install Instructions v2-1

STANJAN Download, Install, and Use Instructions v2-1 MEM 405/705--Fall 2013

JBR/MAS

STANJAN is an MS-DOS executable program not compatible with Windows 7, 8 or OSX. As a workaround, DOSBox will be used to emulate a MS-DOS terminal to run STANJAN.

1.) Download STANJAN from

2.) WINDOWS: Extract and save the STANJAN folder directly to the C:/ directory. This is of importance for step 5.

OSX: Save the STANJAN folder to the Applications directory.

3.) Download and install DOSBox from

WINDOWS:

OSX:

4) Open DOSbox. Upon opening, the following screen should appear:

5.) WINDOWS: Type "mount c c:\STANJAN" into the DOSBox shell and hit return.

OSX: Type "mount c: /Applications/STANJAN" into the DOSBox shell and hit return.

6.) Change to the new DOSBox c: drive by typing "c:" into the DOSBox shell and hit return.

7.) To run the program type "STANJAN" into the DOSBox shell and hit return, the following greeting should appear:

A quick example walk through is provided below:

STANJAN - Summary of input

Calculation of the adiabatic flame temperature of a stoichiometric methane-air mixture is used as an example to illustrate the use of STANJAN.

Program dialog is shown below.

- Do you want to be instructed? - Species file? - Correct file? - reactants or products? - Enter species in phase 1, e.g., CH4,O2,N2

- Enter species in phase 2 < RET >

- Check atoms in molecules? - # moles of each species in phase I

-Change Setup? - P (atm) ? e.g. 1 - T (K) ? e.g. 300 - Sound speed? - Save output?

- Monitor run: - See JANNAF data? - Start printer if desired ?

-Change SETUP

n Use comb.sud for this problem. y, assuming you typed it right and got species list r, First you must specify what you start with I typically start with gaseous species, use all CAPS, if you make a typing error, will have to retype the whole line. Species can be separated with spaces or commas. Enter condensed phases here for Methane,-air comb, there are none, so y These numbers come from the reactants or mixture you want to run. e.g., CH4: 1

O2: 2 N2: 7.52 Probably not, assuming you got summary that you expected Enter press (atm) of reactants Enter T (K) of reactants Probably not You might need to save reactant output; it's going to be a summary of the thermodynamic properties of the mixture you specified. Probably not--there aren't any iterations for reactants Probably not Your output file should be already saved under the filename you specified.

y

Now you have to specify product species you will allow to be present at equilibrium. The more you specify, the longer the calculations will take to converge (although for our purposes it won't be very noticeable) and the more output you will get. More importantly, you have to choose species that are appropriate to the problem, if you forget a major species, STANJAN will still calculate equilibrium for composition you specify, but this wouldn't match what would occur in practice.

Change option: 2

Reactants or Products:

p

- Enter product species in phase 1

For CH4-air, CH4, CO, CO2, H, NO, H2, H2O, N, NO, NO2, N2, O, O2 would be sufficient to do a good job

predicting pollutant concentrations as well as temperature. This is nearly all the gases, so to make it easy by

selecting * to select all possible combinations.

Products in phase 2 If you were burning rich, C(S) would be good, or if products leave system at low temp H2O(L) is also good. For Stoichiometric, Adiabatic Flame Temperature of methane-air, neither is needed, although you could specify them using # if you so desired.

Products in phase 3

If you allowed condensed phase use < RET> to stop.

- Check atoms:

Probably not

- Change Setup?

Only if you made a mistake.

- Run options

Choose the option that corresponds to the thermodynamic process which occurs between reactants at state 1 and

products at state 2. Adiabatic flame temperature calculations for constant pressure corresponds to p,H same as

reactants, or option 11.

- Estimate T:

This is used to start iteration

2200 K is good guess for HC/air

3100 K is good guess for HC/O2

- Sound Speed?

Y, if you're curious won't take much time.

- Save run to file?

Y, if want to save results.

- filespec?

CH4AIR.AFT might be good descriptive name.

- existing file

Y or N, If file exists, you can choose whether to overwrite or

append to file. Append option allows you to save reactant and

product data in same file.

- monitor run?

Probably not. If you want to watch interactions, then Y. Can

even save output to file if desired, and print if desired.

- JANNAF Data?

Probably not.

- Start and Stop printer, if desired

-Change setup

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