Process-Simulation-using-DWSIM/C2/Introduction-to-Flowsheeting/English - Revision history

Snehalathak at 05:52, 6 May 2025

2025-05-06T05:52:16Z

Madhurig at 14:28, 5 May 2025

2025-05-05T14:28:21Z

Madhurig: Created page with "'''Title: Introduction to Flowsheeting''' '''Author: Priyam Nayak''' '''Keywords: '''DWSIM''', '''Material stream, simulation, compounds, thermodynamic package, unit systems..."

2025-04-30T06:11:52Z

Created page with "'''Title: Introduction to Flowsheeting''' '''Author: Priyam Nayak''' '''Keywords: '''DWSIM''', '''Material stream, simulation, compounds, thermodynamic package, unit systems..."

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'''Title: Introduction to Flowsheeting'''

'''Author: Priyam Nayak'''

'''Keywords: '''DWSIM''', '''Material stream, simulation, compounds, thermodynamic package, unit systems, vapor phase mole fraction, pressure calculation mode, temperature, molar flow, density, video tutorial.

{| border=1
|-
|| '''Visual Cue'''
|| '''Narration'''
|-
|| '''Slide Number 1'''

'''Title Slide'''

|| Welcome to this spoken tutorial on ''' Introduction to flowsheeting''' in DWSIM'''.
|-
|| '''Slide Number 2'''

'''Learning Objectives'''
|| In this tutorial, we will learn to:
* Simulate a '''Mixer'''
* Follow it up with a '''Cooler'''
* Give a '''two-phase feed'''

|-
|| '''Slide Number 3'''

'''System Requirements'''
|| This tutorial is recorded using
* '''DWSIM version 8. 8.0'''
* '''Windows 11 OS'''

But, this process is identical in '''Linux''', '''Mac OS X '''or '''FOSSEE OS on ARM'''.
|-
|| '''Slide Number 4 '''

'''Pre-requisites I'''
|| To practice this tutorial, you should
* have an introductory exposure to '''DWSIM'''.

|-
|| '''Slide Number 5'''

'''Pre-requisites II'''
|| Also, you should know how to:
* add components to a '''flowsheet'''
* select '''thermodynamic packages'''
* specify the properties of a '''material''' stream

|-
|| '''Slide Number 6'''

'''Prerequisite Tutorials and Files'''

'''https://spoken-tutorial.org'''
|| The prerequisite tutorials are available on our website.

You can access these tutorials and all the associated files from this site.
|-
|| '''Slide Number 7'''

'''Hover the mouse on the flowsheet image.'''

Flowsheet.png
|| We will develop the '''flowsheet ''' as shown in the figure here.

Two streams are getting mixed in a mixer.

The output from the mixer is getting cooled using a cooler.

The information required to simulate is also given along with the flowsheet.

Use the '''NRTL property package'''.
|-
|| '''Desktop''' >> '''DWSIM'''
|| To open '''DWSIM''', go to the ''' Desktop''' and double-click on the '''DWSIM''' icon.

|-
|| '''File''' >> '''New Chemical Process Model'''
|| Click on '''File '''on the menu bar.

Select '''New Chemical Process Model'''.
|-
|| Point to '''Simulation Configuration Wizard window'''

''' '''Click the '''Next button.'''
|| A '''Simulation Configuration Wizard''' window appears.

Click the '''Next '''button on the lower right corner of the window.
|-
|| Point to '''Compounds''' tab

Type '''Methanol '''in the search bar.

Check the check box under the '''Added '''column.

'''Point to Added Compounds'''
|| We are now in the '''Compounds''' tab.

We will add the compounds present in the flowsheet.

Type '''Methanol''' in the search bar located at the bottom of the '''Compounds''' tab.

Under the '''Added''' column, check the checkbox for '''Methanol'''.

'''Methanol''' is added to the simulation as displayed against the '''Added Compounds'''.
|-
|| Type '''Water '''in the search tab
|| Similarly, add '''Water ''' from '''Chemsep database'''.
|-
|| Point to '''Added Compounds'''.
|| All the compounds required for this simulation are added.

It can be seen in the '''Added Compounds'''.
|-
|| Click on the '''Next '''button at the bottom.
|| Click on the '''Next '''button at the bottom to continue.
|-
|| Point to '''Property Packages'''

'''Property Packages''' >> '''Available Property Package'''

Scroll down to find '''NRTL.'''

Click on '''Add.'''

|| Now comes '''Property Packages'''.

From the '''Available Property Packages''',

Click on '''NRTL'''.

Then click on '''Add.'''

'''NRTL '''has been added under '''Added Property Packages.'''
|-
|| Click on the '''Next '''button at the bottom.
|| Click on the '''Next '''button at the bottom to continue.
|-
|| '''System of Units''' >> '''SI'''.
|| Next option is the '''System of Units'''.

We will''' '''select '''SI'''.

This has the desired system of units according to our problem statement.
|-
|| Click on the '''Next '''button at the bottom.
|| Click on the '''Next '''button at the bottom to continue.
|-
|| '''Behavior''' >> '''Next'''
|| We will not change anything here.

Click on the '''Next''' button at the bottom.
|-
|| '''Undo/Redo Operation''' >> '''Finish'''
|| We will not change anything here.

Click on the '''Finish''' button at the bottom.

This completes configuring the simulation.
|-
|| Point to '''Object Palette'''

Click on the '''Mixers/Splitters '''section.

Click and drag '''Stream Mixer''' to the flowsheet
|| Now, let us add a '''Stream Mixer'''.

Go to the '''Mixers''' or '''Splitters''' section in the '''Object Palette'''.

It is located on the right side of the flowsheet window.

Drag and drop '''Stream Mixer ''' to the flowsheet.
|-
|| Point to '''Stream Mixer''' added to the flowsheet.

Point to material Stream '''1''' and '''2'''.

Point to Material Stream '''3'''.
|| This is the '''Stream Mixer'''.

It has 3 material streams auto-connected to its connection ports.

Material Streams named '''1''' and '''2''' enter the '''Stream Mixer''' as feed streams.

Material Stream named '''3''' leaves the Stream Mixer as the output stream.
|-
|| '''Click >> 1 >> 1 (Material Stream) Property Editor Window.'''

'''Information''' >> '''General Info''' >> '''Object''' >> '''Feed-1'''

Press '''Enter'''
|| Now we will rename all the objects.

Click on the Material Stream named '''1'''.

'''1 (Material Stream)''' property editor window opens.

Under the '''Information '''tab, in the '''General Info''' section, we have''' Object '''field.

In this field rename '''1 '''as''' Feed-1''' and press '''Enter.'''
|-
|| '''Click >> 2 >> 2 (Material Stream) Property Editor Window.'''

'''Information''' >> '''General Info''' >> '''Object''' >> '''Feed-2'''
|| Similarly, rename the material stream named '''2 '''as '''Feed-2'''.
|-
|| '''Click >> 3 >> 3 (Material Stream) Property Editor Window.'''

'''Information''' >> '''General Info''' >> '''Object''' >> '''Mix-Out'''
|| Rename the material stream named '''3 '''as '''Mix-Out'''.

|-
|| '''Click >> Mix-1 >> Mix-1 (Stream Mixer) Property Editor Window'''

'''Information''' >> '''General Info''' >> '''Object''' >> '''Mixer'''
|| Now, rename the mixer object named '''Mix-1 ''' as '''Mixer'''.
|-
|| Cursor near '''Feed stream '''properties.
|| Now we will specify the '''Feed stream''' properties.
|-
|| Click on '''Feed-1.'''

Property editor window opens.
|| Now click on the '''Feed-1'''.

Here, the property editor window opens.
|-
|| '''Input Data>> Stream Conditions >> Flash Spec>> Temperature''' '''and Pressure(TP)'''.

|| Under '''Input Data''', in the '''Stream Conditions''' section, select '''Flash Spec''' as '''Temperature and Pressure (TP).'''

By default, '''Flash Spec ''' is already selected as '''Temperature and Pressure.'''

So let’s not change it.
|-
|| '''Input Data >> Stream Conditions >> Temperature >> 350 K'''

Press '''Enter'''
|| Change '''Temperature''' to '''350 K''' and press '''Enter.'''
|-
|| '''Input Data >> Stream Conditions >> Molar Flow >> 50 mol/s'''

Press '''Enter'''
|| Change '''Molar Flow''' to '''50 mol/s '''and press '''Enter'''.
|-
|| '''Click >> Compound Amounts'''

'''Basis >> Mole Fractions'''
|| Next is to specify the composition of this stream.

To do this, click on '''Compound Amounts'''.

Choose the '''Basis''' as '''Mole Fractions,''' if not already selected.

By default, '''Mole Fractions''' are selected as '''Basis'''.
|-
|| '''Point to the Amount Table.'''

'''Methanol >> 1'''

'''Water >> 0'''
|| Now we will enter the Mole Fractions for each compound.

Click on the first cell below '''Amount''' against '''Methanol '''and enter '''1'''.

Press '''Enter'''.

Similarly, for '''Water, ''' enter it as '''0 '''and press '''Enter.'''

|-
|| '''Click >> Accept changes'''
|| On the right side, click on '''Accept Changes''' button'''.
|-
|| Click on '''Feed-2.'''

Property editor window opens.
|| Now click on the '''Feed-2'''.

Here, the property editor window opens.
|-
|| '''Input Data>> Stream Conditions >> Flash Spec>> Pressure and Vapor Fraction (PVF)'''.

|| Under '''Input Data''', in '''Stream Conditions''' section, select '''Flash Spec''' as '''Pressure and Vapor Fraction (PVF).'''
|-
|| '''Input Data >> Stream Conditions >> Pressure >> 202650 Pa'''

Press '''Enter'''
|| Change '''Pressure ''' to '''202650 Pa''' and press '''Enter'''.
|-
|| '''Input Data >> Stream Conditions >> Molar Flow >> 50 mol/s'''

Press '''Enter'''
|| Change '''Molar Flow''' to '''50 mol/s ''' and press '''Enter'''.
|-
|| '''Input Data >> Stream Conditions >> Vapor Phase Mole Fraction >> 0.5'''

Press '''Enter'''
|| Change '''Vapor Phase Mole Fraction '''to '''0.5 ''' and press '''Enter.'''
|-
|| '''Click >> Compound Amounts'''

'''Basis >> Mole Fractions'''
|| Next is to specify the composition of this stream.

To do this, click on '''Compound Amounts'''.

Choose the '''Basis''' as '''Mole Fractions,''' if not already selected.

By default, '''Mole Fractions''' are selected as '''Basis'''.
|-
|| '''Point to the Amount Table.'''

Click '''Clear.'''

'''Methanol >> 0'''

'''Water >> 1'''
|| Now we will enter the Mole Fractions for each compound.

Click '''Clear ''' if random values are present.

Click on the first cell below '''Amount''' against '''Methanol '''and enter '''0'''.

Press '''Enter'''.

Similarly, for '''Water, '''enter it as '''1 '''and press '''Enter.'''
|-
|| '''Click >> Accept changes'''
|| On the right, click on '''Accept Changes ''' button'''.

|-
|| Click '''Mixer'''
|| Now we will specify the '''Mixer.'''

Click on '''Mixer.'''

'''Mixer '''property editor window opens.
|-
|| Hover the mouse on '''Calculation Parameters '''
|| Go to the section '''Calculation Parameters ''' by scrolling below.
|-
|| '''Pressure Calculation >> Inlet Maximum'''
|| Click on the dropbox against '''Pressure Calculation '''and select '''Inlet Maximum'''.

This will ensure that the outlet stream from the mixer is at 202650 '''Pascals'''.

This is as per the given '''flowsheet'''.
|-
|| Click''' Solve'''
|| Click on the '''Solve''' button in the toolbar area.

The flowsheet is solved till the '''Mix-Out''' stream.

We will proceed further.
|-
|| Click on '''File '''and Click '''Save As'''
|| Let us now save this file till this point.

Click on '''File''' and select '''Save As''' option.
|-
|| Type '''flowsheet-1'''
|| Select a desired location to save the file.

Enter the file name as '''flowsheet-1'''.

It is strongly recommended to save the file intermittently.
|-
|| Point to '''Object Palette'''

Click on the '''Exchangers '''section.

Click and drag '''Cooler''' to the flowsheet

|| Now let us continue with the flowsheet.

Next, we will add a '''Cooler'''.

Go to the '''Exchangers''' section in the '''Object Palette'''.

Scroll down a little to see '''Cooler'''.

Drag and drop '''Cooler ''' to the flowsheet area close to the '''Mix-Out''' stream.
|-
|| '''Click >> CL-1 '''

'''Property Editor Window.'''

'''Information''' >> '''General Info''' >> '''Object''' >> '''Cooler'''
|| Let us rename the newly added objects.

Click on the cooler object named '''CL-1''' and rename it as '''Cooler'''.

Here, the property editor window opens.
|-
|| '''Click >> 5 >> 5 (Material Stream) Property Editor Window.'''

'''Information''' >> '''General Info''' >> '''Object''' >> '''Cool-Out.'''
|| Click on the material stream object named ''' 5 '''and rename it as '''Cool-Out'''.
|-
|| Click '''Cooler.'''

'''Point to the window.'''
|| Now, let us specify the '''Cooler'''.

'''Click on Cooler.'''

'''Cooler '''property editor window opens.
|-
|| Hover mouse on '''Calculation Parameters '''
|| Go to the section '''Calculation Parameters'''.
|-
|| '''Calculation Type >> Outlet Temperature'''
|| Click on the dropdown against '''Calculation Type '''and select '''Outlet Temperature'''.

This is because as per the flowsheet, the temperature of the stream coming out from the cooler is mentioned.
|-
|| Efficiency >> 80
|| Click on the field against '''Efficiency''' and enter it as '''80'''.

Press '''Enter'''.
|-
|| Outlet Temperature >> 330 K
|| Click on the field against '''Outlet Temperature.'''

Enter the value as '''330 K'''.

Press '''Enter'''.
|-
|| Click''' Solve'''
|| This completes the flowsheet specification.

Click on the '''Solve''' button in the toolbar area.
|-
||
|| Let us save the flowsheet once again.
|-
|| File >> Save
|| Go to '''File''' and click '''Save'''.
|-

|| '''Insert >> Master Property Table'''
|| Go to the '''Insert '''menu and select '''Master Property Table'''.
|-
|| Double click on '''Master Property Table'''

Point to '''Configure Master Property Table'''
|| Double-click on the '''Master Property Table '''to edit it.

'''Configure Master Property Table''' window opens.
|-
||Type '''Steamwise Results – Flowsheet'''
||In the '''Name''' field, type '''Stream Wise Results – Flowsheet.'''
|-
||Select '''Material Stream'''
||In '''Object Type''' select '''Material Stream'''.

By default, '''Material Stream''' is already selected.
|-
||'''Object >> Feed-1, Feed-2, Mix-Out''' and '''Cool-Out'''
||Under '''Properties to display''', select '''Objects''' as '''Feed-1, Feed-2, Mix-Out''' and '''Cool-Out'''.
|-
||'''Configure Master Property Table>> Property'''
||Under '''Property, '''scroll down to see all the parameters.

Now select the properties as

'''Temperature'''

'''Pressure'''

'''Mass Flow'''

'''Molar Flow'''

'''Molar Fraction (Mixture) / Methanol'''

'''Mass Fraction (Mixture) / Methanol'''

'''Molar Flow (Mixture) / Methanol'''

'''Mass Flow (Mixture) / Methanol'''

'''Molar Flow (Mixture) / Water'''

'''Mass Flow (Mixture) / Water'''

'''Molar Fraction (Mixture) / Water'''

'''Mass Fraction (Mixture) / Water'''
|-
||Click on the '''Close''' button.
||Close this window.

Move the '''Master Property Table''' for better visibility.

Here we can see the corresponding results for '''Inlet''' and''' Outlet Streams.'''
|-
||
|| Let's summarize.
|-
|| '''Summary'''
|| In this tutorial, we have learnt to
* Simulate a '''Mixer'''
* Follow it up with a '''Cooler'''
* Give a '''two-phase feed'''

|-
||'''Slide Number 8'''

''' Assignment'''

Flowsheet-Assignment.png

||As an assignment,

Simulate the given flowsheet.

And use the NRTL property package.
|-
||
|| This brings us to the end of this tutorial.
|-
|| '''Slide Number 9'''

'''About the Spoken Tutorial Project'''
|| Watch the video available at the following link.

[http://spoken-tutorial.org/ https://spoken-tutorial.org/]

It summarises the Spoken Tutorial project.

Please download and watch it
|-
|| '''Slide Number 10'''

'''Spoken Tutorial Workshops'''
||
* The Spoken Tutorial Project Team conducts workshops and gives certificates.
* For more details, please write to us.

|-
|| '''Slide Number 11'''

'''Forum Slide'''

Questions in THIS '''Spoken Tutorial?'''

Visit https://forums.spoken-tutorial.org

Choose the minute and second where you have the question.

Explain your question briefly.

Someone from the FOSSEE team will answer them.

You will have to register on this website to ask questions

|| Do you have questions in THIS Spoken Tutorial?

Please visit this site

Choose the minute and second where you have the question.

Explain your question briefly.

Someone from the FOSSEE team will answer them.

You will have to register on this website to ask questions.

|-
|| '''Slide Number 12'''

'''DWSIM Flowsheeting Project'''

|| The '''FOSSEE''' team coordinates the conversion of existing '''flowsheets''' into '''DWSIM'''.

We give honorarium and certificates for those who do this.

For more details, please visit this site.
|-
|| '''Slide Number 13'''

'''Lab Migration Project'''

|| The '''FOSSEE''' team helps migrate commercial '''simulator labs''' to '''DWSIM.'''

We give honorarium and certificates for those who do this.

For more details, please visit this site
|-
|| '''Slide Number 14'''

'''Acknowledgements'''
|| The '''Spoken Tutorial''' project was established by the '''Ministry of Education(MoE)''', Government of India.

The '''FOSSEE''' project is funded by '''NMEICT, Ministry of Education(MoE)''', Government of India.
|-
|| '''Slide Number 15'''

'''Thank You'''
|| We thank the '''DWSIM''' team for making this as an''' open source software.'''

This is Aditi Gupta along with Priyam Nayak signing off.

Thank you for joining.
|-
|}

@@ Line 579: / Line 579: @@
 || Let's summarize.
 |-
-|| '''Summary'''
+|| '''Slide Number 8'''
 || In this tutorial, we have learnt to
 * Simulate a '''Mixer'''
@@ Line 586: / Line 587: @@
 |-
-||'''Slide Number 8'''
+||'''Slide Number 9'''
 ''' Assignment'''
@@ Line 602: / Line 603: @@
 || This brings us to the end of this tutorial.
 |-
-|| '''Slide Number 9'''
+|| '''Slide Number 10'''
@@ Line 616: / Line 617: @@
 Please download and watch it
 |-
-|| '''Slide Number 10'''
+|| '''Slide Number 11'''
@@ Line 625: / Line 626: @@
 |-
-|| '''Slide Number 11'''
+|| '''Slide Number 12'''
@@ Line 666: / Line 667: @@
 |-
-|| '''Slide Number 12'''
+|| '''Slide Number 13'''
@@ Line 678: / Line 679: @@
 For more details, please visit this site.
 |-
-|| '''Slide Number 13'''
+|| '''Slide Number 14'''
@@ Line 691: / Line 692: @@
 For more details, please visit this site
 |-
-|| '''Slide Number 14'''
+|| '''Slide Number 15'''
@@ Line 699: / Line 700: @@
 The '''FOSSEE''' project is funded by '''NMEICT, Ministry of Education(MoE)''', Government of India.
 |-
-|| '''Slide Number 15'''
+|| '''Slide Number 16'''

@@ Line 54: / Line 54: @@
 '''Pre-requisites II'''
 || Also, you should know how to:
-* add components to a '''flowsheet'''
+* add compounds to a '''flowsheet'''
 * select '''thermodynamic packages'''
 * specify the properties of a '''material''' stream
@@ Line 229: / Line 229: @@
-Under the '''Information '''tab, in the '''General Info''' section, we have''' Object '''field.
+Under the '''Information '''tab, in the '''General Info''' section, we have ''' Object ''' field.
@@ Line 238: / Line 238: @@
 '''Information''' >> '''General Info''' >> '''Object''' >> '''Feed-2'''
-|| Similarly, rename the material stream named '''2 '''as '''Feed-2'''.
+|| Similarly, rename the material stream named '''2 ''' as '''Feed-2'''.
 |-
 || '''Click >> 3 >> 3 (Material Stream) Property Editor Window.'''
@@ Line 308: / Line 308: @@
-Click on the first cell below '''Amount''' against '''Methanol '''and enter '''1'''.
+Click on the first cell below '''Amount''' against '''Methanol '''and enter 1.
 Press '''Enter'''.
@@ Line 335: / Line 335: @@
 Press '''Enter'''
-|| Change '''Pressure ''' to '''202650 Pa''' and press '''Enter'''.
+|| Change '''Pressure ''' to '''202650 Pascals''' and press '''Enter'''.
 |-
 || '''Input Data >> Stream Conditions >> Molar Flow >> 50 mol/s'''
@@ Line 403: / Line 403: @@
 |-
 || '''Pressure Calculation >> Inlet Maximum'''
-|| Click on the dropbox against '''Pressure Calculation '''and select '''Inlet Maximum'''.
+|| Click on the drop box against '''Pressure Calculation '''and select '''Inlet Maximum'''.
@@ Line 486: / Line 486: @@
 |-
 || '''Calculation Type >> Outlet Temperature'''
-|| Click on the dropdown against '''Calculation Type '''and select '''Outlet Temperature'''.
+|| Click on the drop down against '''Calculation Type '''and select '''Outlet Temperature'''.
-This is because as per the flowsheet, the temperature of the stream coming out from the cooler is mentioned.
+This is because as per the flowsheet, the temperature of the stream coming out of the cooler is mentioned.
 |-
 || Efficiency >> 80
@@ Line 497: / Line 497: @@
 |-
 || Outlet Temperature >> 330 K
-|| Click on the field against '''Outlet Temperature.'''
+|| Click on the field against '''Outlet Temperature'''.
 Enter the value as '''330 K'''.
@@ Line 518: / Line 518: @@
 || '''Insert >> Master Property Table'''
-|| Go to the '''Insert '''menu and select '''Master Property Table'''.
+|| Go to the '''Insert ''' menu and select '''Master Property Table'''.
 |-
 || Double click on '''Master Property Table'''
 Point to '''Configure Master Property Table'''
-|| Double-click on the '''Master Property Table '''to edit it.
+|| Double-click on the '''Master Property Table ''' to edit it.
 '''Configure Master Property Table''' window opens.
 |-
 ||Type '''Steamwise Results – Flowsheet'''
-||In the '''Name''' field, type '''Stream Wise Results – Flowsheet.'''
+||In the '''Name''' field, type '''Stream Wise Results – Flowsheet'''.
 |-
 ||Select '''Material Stream'''
@@ Line 536: / Line 536: @@
 |-
 ||'''Object >> Feed-1, Feed-2, Mix-Out''' and '''Cool-Out'''
-||Under '''Properties to display''', select '''Objects''' as '''Feed-1, Feed-2, Mix-Out''' and '''Cool-Out'''.
+||Under '''Properties to display''', select '''Objects''' as '''Feed-1''', '''Feed-2''', '''Mix-Out''' and '''Cool-Out'''.
 |-
 ||'''Configure Master Property Table>> Property'''
-||Under '''Property, '''scroll down to see all the parameters.
+||Under '''Property''', scroll down to see all the parameters.
-Now select the properties as
+Now select the properties as:
 '''Temperature'''
@@ Line 558: / Line 558: @@
 '''Mass Flow (Mixture) / Methanol'''
 '''Molar Flow (Mixture) / Water'''
@@ Line 563: / Line 567: @@
 '''Mass Flow (Mixture) / Water'''
 |-
 ||Click on the '''Close''' button.
@@ Line 572: / Line 574: @@
 Move the '''Master Property Table''' for better visibility.
-Here we can see the corresponding results for '''Inlet''' and''' Outlet Streams.'''
+Here we can see the corresponding results for '''Inlet''' and ''' Outlet Streams.'''
 |-
 ||