Process-Simulation-using-DWSIM/C2/Simulating-a-Material-Stream/English - Revision history

Snehalathak at 10:19, 16 April 2025

2025-04-16T10:19:55Z

Madhurig at 11:02, 9 April 2025

2025-04-09T11:02:57Z

Madhurig: Created page with "'''Title: Simulating a Material Stream''' '''Author''': '''Priyam Nayak''' '''Keywords: '''DWSIM''', '''Material stream, simulation, compounds, thermodynamic package, unit s..."

2025-03-28T17:02:59Z

Created page with "'''Title: Simulating a Material Stream''' '''Author''': '''Priyam Nayak''' '''Keywords: '''DWSIM''', '''Material stream, simulation, compounds, thermodynamic package, unit s..."

New page

'''Title: Simulating a Material Stream'''

'''Author''': '''Priyam Nayak'''

'''Keywords: '''DWSIM''', '''Material stream, simulation, compounds, thermodynamic package, unit systems, mass fraction, temperature, pressure, molar flow, density, viscosity, thermal conductivity, video tutorial.

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

'''Title Slide'''
|| Welcome to this spoken tutorial on''' Simulating a Material Stream''' in '''DWSIM'''.
|-
|| '''Slide Number 2'''

'''Learning Objectives'''
|| In this tutorial, we will learn to:
* Select '''Chemical''' compounds
* Select a '''Thermodynamic package''' and '''Unit System'''
* Specify a '''Material stream'''
* Find '''Thermophysical Properties''' of the '''Material Stream'''

|-
|| '''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'''
|| To follow this tutorial,

You should have '''DWSIM''' installed on your machine.
|-
|| '''Slide Number 5'''

'''Problem Statement - Part I'''
|| Let us determine the following thermophysical properties of a material stream.
|-
|| '''Slide Number 6'''

'''Problem Statement - Part II'''
|| Here we give '''Compounds, Thermodynamics '''and '''Inlet stream conditions.'''
|-
|| '''Desktop''' >> '''DWSIM'''
|| To open '''DWSIM''', go to the''' Desktop''' and double-click on the '''DWSIM icon.'''
|-
|| '''DWSIM''' window opens.
|| '''DWSIM''' window opens.
|-
|| Cursor on the window.
|| Let us start by creating a '''New Chemical Process Model.'''
|-
|| '''File''' >> '''New Chemical Process Model'''
|| Click on '''File '''on the menu bar and select '''New Chemical Process Model.'''
|-
|| Point to '''Simulation Configuration Wizard window'''
|| A '''Simulation Configuration Wizard''' window appears.
|-
|| Click the '''Next button.'''
|| Click the '''Next '''button on the lower right corner of the window.
|-
|| Point to the '''Compounds''' tab
|| We are now in the '''Compounds''' tab.

We will add the compounds available in the flowsheet.
|-
|| Type '''Ethanol '''in the search bar
|| Type '''Ethanol''' in the search bar at the bottom of the '''Compounds''' tab.
|-
|| Check the check box under the '''Added '''column.
|| Under the '''Added''' column, check the checkbox for '''Ethanol'''.

Alternatively, we can also double-click anywhere on this line to add '''Ethanol'''.
|-
|| Point to '''Added Compounds'''
|| '''Ethanol''' 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 now added.

This 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'''
|| Now comes the '''Property Packages.'''

Based on the compounds added, '''DWSIM '''suggests a list of '''Property Packages''' applicable to the system.

This suggestion may not always be right.

Users must make an informed decision using the basics of thermodynamics.

This will help them to select a property package.

For this problem, it has been specified that '''NRTL''' has to be selected.

'''Non-Random Two-Liquid''' model is abbreviated as NRTL.

It is useful for calculating activity coefficients in non-ideal solutions.
|-
|| '''Property Packages''' >> '''Available Property Package'''

Click '''NRTL.'''
|| From the '''Available Property Packages''',

click on '''NRTL.'''
|-
|| Click on '''Add'''.
|| Then click on the '''Add '''button.
|-
|| Point to '''Added Property Packages.'''
|| '''NRTL '''has been added under '''Added Property Packages.'''

Alternatively, we can also double-click on '''NRTL '''to add it.
|-
|| Click the '''Next button.'''
|| Click the '''Next''' button at the bottom'''.'''
|-
|| Point to '''System of Units'''
|| The next option is the '''System of Units.'''
|-
|| Click on the drop-down against '''System of Units'''.
|| Click on the drop-down against '''System of Units'''.
|-
|| Hover mouse on list shown at the drop-down
|| Here, we can see the different '''System of Units''' available with '''DWSIM'''.
|-
|| Hover mouse on '''SI''', '''CGS,''' and '''ENG.'''
|| '''SI''', '''CGS,''' and '''ENG''' are the different standard systems of units used for measurement.
|-
|| Hover mouse at '''SI (Engineering)''', '''C1, C2, C3, C4''' and '''C5.'''
|| '''SI (Engineering), C1, C2, C3, C4''' and '''C5 '''are custom systems of units.

'''C1, C2, C3, C4,''' and '''C5''' can be modified as per the simulation problem requirement.
|-
|| '''System of Units >> SI'''
|| As per the given simulation problem statement, '''SI '''is the best-suited '''System of Units'''.

Select '''SI '''from the drop-down.
|-
|| Click on '''Next.'''
|| Click on the '''Next '''button at the bottom.
|-
|| Point to the '''Behavior''' window.
|| The next window is '''Behavior'''.

This is to make some changes in the way in which''' DWSIM''' behaves currently.

We will not change anything here.
|-
|| '''Behavior''' >> '''Next'''
|| Click on the '''Next''' button at the bottom.
|-
|| Point to '''Undo/Redo Operations'''
|| This is the '''Undo/Redo Operations''' Window.

It is to enable the '''Undo/Redo''' capabilities.

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

This completes configuring the simulation.
|-
|| Click and drag '''Material Stream''' to flowsheet
|| Go to the '''Streams '''tab.

Drag and drop a '''Material Stream''' from the displayed list to the '''Flowsheet area'''.
|-
|| Cursor at the stream.
|| Let us arrange the '''Stream'''.
|-
|| Clicking on the '''Stream, Property Editor Window '''opens.

Hover the mouse over the '''Property Editor Window'''
|| We click on the '''Stream, '''the '''Property Editor Window '''opens.

We see the '''Property Editor Window''' on the left-hand side of the '''Flowsheet'''.

|-
|| Type '''Object''' as '''Feed.'''
|| Let us rename the '''material stream''' first.

Under '''General Info, '''type the '''Object''' as '''Feed.'''

Press''' Enter.'''

In '''DWSIM''', after every change, ensure to press '''Enter''' for the change to be effective.
|-
|| Point to '''Input Data'''

Cursor to the default values
|| The '''Input Data''' tab shows all the properties of the stream.

'''DWSIM '''assigns default values to all properties.
|-
|| Point to '''Flash Spec'''

Click on drop-down against '''Flash Spec'''
|| Under '''Stream Conditions '''tab, the first option is to specify the '''Flash Spec'''.

We can select one of the '''Flash Spec'''s depending on the data given.
|-
|| '''Slide Number 5'''

'''Problem Statement - Part I'''
|| Let me go back to the slides.

Here, '''Temperature '''and '''Pressure''' data is given in the problem statement.
|-
|| '''Stream Conditions >> Flash Spec >> Select Temperature and Pressure (TP)''' from the Drop down.

Point to '''Temperature '''and''' Pressure.'''

|| Select '''Flash Spec''' as '''Temperature and Pressure (TP)''' if not already selected.

By default, '''Temperature '''and''' Pressure '''is already selected as '''Flash Spec.'''
|-
|| '''Input Data >> Temperature >> 320 K'''

Press '''Enter'''
|| Next is to specify the '''Temperature.'''

Change '''Temperature''' to '''320 Kelvin '''and press '''Enter.'''
|-
|| '''Input Data >> Pressure >> 202650 Pa'''

Press '''Enter'''
|| Next is to specify the '''Pressure'''.

Change '''Pressure''' to '''202650 Pa''' and press '''Enter.'''
|-
|| Hover Mouse at '''Mass Flow, Molar Flow''' and '''Volumetric Flow.'''
|| Next is to specify the '''Flow Rate'''.

Here, out of the '''Mass Flow''', '''Molar Flow''' and '''Volumetric Flow''', only one has to be specified.

Other two will be calculated accordingly.
|-
|| '''Input Data >> Molar Flow >> 500 mol/s'''

Press '''Enter'''
|| As per the problem statement, molar flow is given as '''500 mol/s'''.

Change '''Molar Flow''' to '''500 mol/s''' and press '''Enter.'''
|-
|| '''Cursor near the material stream.'''
|| Now let us specify the '''material stream''' compositions.
|-
|| '''Input Data >> Compound Amounts'''
|| Under '''Input Data, '''click on the '''Compound Amounts''' tab.
|-
|| Click on the drop-down against '''Basis.'''
|| Click on the drop-down against '''Basis.'''

Here we can specify composition in these ways.
|-
|| '''Compound Amounts >> Basis >> Mass Fractions'''
|| As per the problem statement, the composition is specified in terms of '''mass fraction'''.

Choose the '''Basis '''as '''Mass Fractions.'''

By default, '''Mole Fractions''' is selected as '''Basis.'''

Let us change this to '''Mass Fractions'''.
|-
|| Point to the '''Amount Table.'''
|| Now we will enter the '''Mass Fractions''' for each compound.
|-
|| '''Ethanol: 0.35'''
|| For '''Ethanol''', enter the '''Amount''' as '''0.35''' and press '''Enter.'''
|-
|| '''Water: 0.65'''
|| For '''Water''', enter '''0.65''' and press '''Enter'''.
|-
|| Click '''Accept Changes'''
|| On the right, click on the '''Accept Changes''' button.
|-
|| Point to '''Basis'''
|| If the total is not 1, '''DWSIM '''normalises the entries, so that the total becomes 1.

Also, the '''Mass Fractions''' entered are converted to '''Mole Fractions''', which is the default basis.
|-
|| Click''' Solve'''
|| This completes the problem specification.

Click on the '''Solve''' button in the toolbar area.
|-
|| Click on '''Results'''
|| Let us see some of the thermophysical properties of the stream.

Click on the '''Results''' tab next to''' Input Data.'''
|-
|| '''Results >> Phase Properties'''
|| Under '''Results''', click on '''Phase Properties'''.
|-
|| Click on '''Overall Liquid'''.
|| Click on '''Overall Liquid'''.

Scroll Down to see the different thermophysical properties of the liquid phase.
|-
|| Hover the mouse at different properties
|| You can see values of different properties like:

* Density
* Dynamic Viscosity
* Heat Capacity (Cp)
* Kinematic Viscosity
* Molar Enthalpy

|-
|| Click on '''File '''and Click '''Save As'''
|| Let us now save this file.

To do this, click on '''File''' and then click the '''Save As''' option.
|-
|| Type '''stream'''
|| Select a desired location to save the file and enter the file name as '''stream'''
|-
|| '''Close the Property Editor Window.'''
|| Close the '''Property Editor Window'''.
|-
|| Click on the''' Material''' Stream
|| We can always get back to the property editor window by clicking on the object..
|-
|| Only Narration.
|| This brings us to the end of this tutorial.

Let's summarize.
|-
|| '''Slide Number 7'''

'''Summary'''
|| In this tutorial, we have learnt to* Select '''Chemical''' compounds
* Select a '''Thermodynamic package''' and '''Unit System'''
* Specify a '''Material stream'''
* Find '''Thermophysical Properties''' of '''Material Stream'''

|-
||
|| Here are some assignments for you.
|-
|| '''Slide Number 8'''

'''Assignment 1'''

|| Choose '''Ethanol''' and '''Water mole fractions''' that do not add up to''' 1'''.

Check how '''DWSIM '''normalises when you press '''Accept Changes''' button.
|-
|| '''Side Number 9'''

'''Assignment 2 '''
|| Go to the page where you defined '''mole fractions.'''

Check what the '''Normalize''' button does when the '''Total''' is not '''1'''.
|-
|| '''Slide Number 10'''

'''Assignment 3 '''
|| Go to the page where we defined the '''molar flow rate'''.

'''DWSIM''' automatically displays equivalent '''flow rates''' in mass flow and volumetric flow.

Check if these values are consistent.
|-
|| '''Slide Number 11'''

'''Assignment 4 '''
|| Create a '''stream''' consisting of '''Methanol, Ethanol '''and '''Water.'''

Carry out the previous assignments for this '''stream''' also.
|-

|| '''Slide Number 12'''

'''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 13'''

'''Spoken Tutorial Workshops'''
|| The Spoken Tutorial Project Team conducts workshops and gives certificates.

For more details, please write to us.
|-
|| '''Slide Number 14'''

'''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 15'''

'''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 16'''

'''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 17'''

'''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 18'''

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

This is Aditi Gupta along with Priyam Nayak signing off.

Thank you for joining.
|-
|}

@@ Line 343: / Line 343: @@
 |-
 || Click on the''' Material''' Stream
-|| We can always get back to the property editor window by clicking on the object..
+|| We can always get back to the property editor window by clicking on the object.
 |-
 || Only Narration.
@@ Line 353: / Line 353: @@
 '''Summary'''
-|| In this tutorial, we have learnt to* Select '''Chemical''' compounds
+|| In this tutorial, we have learnt to Select '''Chemical''' compounds
 * Select a '''Thermodynamic package''' and '''Unit System'''
 * Specify a '''Material stream'''

@@ Line 20: / Line 20: @@
 '''Learning Objectives'''
 || In this tutorial, we will learn to:
-* Select '''Chemical''' compounds
+* Select '''Chemical''' Compounds
-* Select a '''Thermodynamic package''' and '''Unit System'''
+* Select a '''Thermodynamic Package''' and '''Unit System'''
-* Specify a '''Material stream'''
+* Specify a '''Material Stream'''
 * Find '''Thermophysical Properties''' of the '''Material Stream'''
@@ Line 33: / Line 33: @@
 * '''Windows 11 OS'''
-But, this process is identical in '''Linux, Mac OS X '''or '''FOSSEE OS on ARM'''.
+But, this process is identical in '''Linux''', '''Mac OS X '''or '''FOSSEE OS on ARM'''.
 |-
 || '''Slide Number 4'''
@@ Line 52: / Line 52: @@
 '''Problem Statement - Part II'''
-|| Here we give '''Compounds, Thermodynamics '''and '''Inlet stream conditions.'''
+|| Here we give '''Compounds''', '''Thermodynamics '''and '''Inlet stream conditions.'''
 |-
 || '''Desktop''' >> '''DWSIM'''
@@ Line 61: / Line 61: @@
 |-
 || Cursor on the window.
-|| Let us start by creating a '''New Chemical Process Model.'''
+|| Let us start by creating a '''New Chemical Process Model'''.
 |-
 || '''File''' >> '''New Chemical Process Model'''
-|| Click on '''File '''on the menu bar and select '''New Chemical Process Model.'''
+|| Click on '''File '''on the menu bar and select '''New Chemical Process Model'''.
 |-
 || Point to '''Simulation Configuration Wizard window'''
@@ Line 78: / Line 78: @@
 We will add the compounds available in the flowsheet.
 |-
-|| Type '''Ethanol '''in the search bar
+|| Type '''Ethanol '''in the search bar.
 || Type '''Ethanol''' in the search bar at the bottom of the '''Compounds''' tab.
 |-
@@ Line 91: / Line 91: @@
 |-
 || Type '''Water '''in the search tab
-|| Similarly, add '''Water '''from '''Chemsep database'''.
+|| Similarly, add '''Water '''from '''Chemsep Database'''.
 |-
 || Point to '''Added Compounds'''.
 || All the compounds required for this simulation are now added.
@@ Line 105: / Line 102: @@
 |-
 || Point to '''Property Packages'''
-|| Now comes the '''Property Packages.'''
+|| Now comes the '''Property Packages'''.
 Based on the compounds added, '''DWSIM '''suggests a list of '''Property Packages''' applicable to the system.
@@ Line 132: / Line 129: @@
 |-
 || Point to '''Added Property Packages.'''
-|| '''NRTL '''has been added under '''Added Property Packages.'''
+|| '''NRTL '''has been added under '''Added Property Packages'''.
 Alternatively, we can also double-click on '''NRTL '''to add it.
@@ Line 205: / Line 202: @@
 || Let us rename the '''material stream''' first.
-Under '''General Info, '''type the '''Object''' as '''Feed.'''
+Under '''General Info''', type the '''Object''' as '''Feed'''.
 Press''' Enter.'''
@@ Line 231: / Line 228: @@
-Here, '''Temperature '''and '''Pressure''' data is given in the problem statement.
+Here, '''Temperature ''' and '''Pressure''' data is given in the problem statement.
 |-
 || '''Stream Conditions >> Flash Spec >> Select Temperature and Pressure (TP)''' from the Drop down.
@@ Line 244: / Line 241: @@
 Press '''Enter'''
-|| Next is to specify the '''Temperature.'''
+|| Next is to specify the '''Temperature'''.
 Change '''Temperature''' to '''320 Kelvin '''and press '''Enter.'''
@@ Line 253: / Line 250: @@
 || Next is to specify the '''Pressure'''.
-Change '''Pressure''' to '''202650 Pa''' and press '''Enter.'''
+Change '''Pressure''' to '''202650 Pa''' and press '''Enter'''.
 |-
 || Hover Mouse at '''Mass Flow, Molar Flow''' and '''Volumetric Flow.'''
@@ Line 276: / Line 273: @@
 |-
 || Click on the drop-down against '''Basis.'''
-|| Click on the drop-down against '''Basis.'''
+|| Click on the drop-down against '''Basis'''.
 Here we can specify composition in these ways.
@@ Line 283: / Line 280: @@
 || As per the problem statement, the composition is specified in terms of '''mass fraction'''.
-Choose the '''Basis '''as '''Mass Fractions.'''
+Choose the '''Basis ''' as '''Mass Fractions.'''
 By default, '''Mole Fractions''' is selected as '''Basis.'''
@@ Line 302: / Line 299: @@
 |-
 || Point to '''Basis'''
-|| If the total is not 1, '''DWSIM '''normalises the entries, so that the total becomes 1.
+|| If the total is not 1, '''DWSIM ''' normalises the entries, so that the total becomes 1.
 Also, the '''Mass Fractions''' entered are converted to '''Mole Fractions''', which is the default basis.
@@ Line 314: / Line 311: @@
 || Let us see some of the thermophysical properties of the stream.
-Click on the '''Results''' tab next to''' Input Data.'''
+Click on the '''Results''' tab next to ''' Input Data.'''
 |-
 || '''Results >> Phase Properties'''
@@ Line 340: / Line 337: @@
 |-
 || Type '''stream'''
-|| Select a desired location to save the file and enter the file name as '''stream'''
+|| Select a desired location to save the file and enter the file name as '''stream'''.
 |-
 || '''Close the Property Editor Window.'''
@@ Line 369: / Line 366: @@
 '''Assignment 1'''
-|| Choose '''Ethanol''' and '''Water mole fractions''' that do not add up to''' 1'''.
+|| Choose '''Ethanol''' and '''Water mole fractions''' that do not add up to 1.
 Check how '''DWSIM '''normalises when you press '''Accept Changes''' button.
@@ Line 378: / Line 375: @@
 || Go to the page where you defined '''mole fractions.'''
-Check what the '''Normalize''' button does when the '''Total''' is not '''1'''.
+Check what the '''Normalize''' button does when the '''Total''' is not 1.
 |-
 || '''Slide Number 10'''