Difference between revisions of "DWSIM/C2/Heat-Exchanger/English"
(Created page with " {| border=1 ||'''Visual Cue''' ||'''Narration''' |- || '''Slide Number 1 '''Title Slide''' || Welcome to this tutorial on Simulating a '''Heat Exchanger '''in '''DWSIM'''....") |
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'''Learning Objective''' | '''Learning Objective''' | ||
|| In this tutorial, we will learn to: | || In this tutorial, we will learn to: | ||
− | |||
* Simulate a''' Heat Exchanger''' | * Simulate a''' Heat Exchanger''' | ||
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* add components to a '''flowsheet''' | * add components to a '''flowsheet''' | ||
− | * select '''thermodynamic '''packages | + | * select '''thermodynamic '''packages |
* add '''material '''stream''' '''and specify their properties. | * add '''material '''stream''' '''and specify their properties. | ||
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Double click on '''Raoult’s Law''' | Double click on '''Raoult’s Law''' | ||
− | || From '''Available Property | + | || From '''Available Property Packages''', double-click on '''Raoult’s Law.''' |
|- | |- | ||
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|- | |- | ||
|| | || | ||
− | || Now let’s insert two material | + | || Now let’s insert two material stream that enter the '''Heat Exchanger'''. |
|- | |- | ||
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|- | |- | ||
|| Click on '''MSTR-000''' | || Click on '''MSTR-000''' | ||
− | || Click on '''Material Stream '''“'''MSTR-000” '''to view its properties. | + | || Click on the '''Material Stream '''“'''MSTR-000” '''to view its properties. |
|- | |- | ||
|| Type '''Water In''' | || Type '''Water In''' | ||
− | || Let’s change the name of this | + | || Let’s change the name of this stream to '''Water In.''' |
|- | |- | ||
|| | || | ||
− | || Now we will specify the '''Water In | + | || Now we will specify the '''Water In''' stream properties. |
|- | |- | ||
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|- | |- | ||
|| Type '''Methanol In''' | || Type '''Methanol In''' | ||
− | || Let’s change the name of this | + | || Let’s change the name of this stream to '''Methanol In.''' |
|- | |- | ||
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− | + | Select '''Flash Spec''' as '''Temperature and Pressure(TP).''' | |
− | By default, '''Temperature and Pressure '''are again already selected as '''Flash Spec.''' | + | By default, '''Temperature and Pressure''' are again already selected as '''Flash Spec.''' |
|- | |- | ||
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|| | || | ||
− | || Now let us specify the '''Methanol In | + | || Now let us specify the '''Methanol In''' stream compositions. |
|- | |- | ||
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|- | |- | ||
|| Type '''Water Out''' | || Type '''Water Out''' | ||
− | || We will change the name of this | + | || We will change the name of this stream to '''Water Out.''' |
|- | |- | ||
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|- | |- | ||
|| Type''' Methanol Out''' | || Type''' Methanol Out''' | ||
− | || And name this | + | || And name this stream as '''Methanol Out.''' |
|- | |- | ||
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|- | |- | ||
− | || Go to '''Flowsheet Objects''' | + | || Go to the '''Flowsheet Objects''' |
− | || Go to '''Flowsheet Objects'''. | + | || Go to the '''Flowsheet Objects'''. |
|- | |- | ||
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Select '''Methanol Out.''' | Select '''Methanol Out.''' | ||
− | || Next, click on | + | || Next, click on drop-down against '''Outlet Stream 1.''' |
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|- | |- | ||
− | || Click on | + | || Click on drop down against''' Inlet Stream 2''' |
Select '''Water In.''' | Select '''Water In.''' | ||
− | || Then click on | + | || Then click on drop-down against '''Inlet Stream 2. ''' |
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|- | |- | ||
− | || Click on | + | || Click on drop down against''' Outlet Stream 2''' |
Select '''Water Out.''' | Select '''Water Out.''' | ||
− | || Then click on | + | || Then click on drop-down against '''Outlet Stream 2. ''' |
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|- | |- | ||
− | || '''<nowiki>Overall Heat Transfer Coefficient >>450W | + | || '''<nowiki>Overall Heat Transfer Coefficient >>450W[m</nowiki><sup>2</sup>.K]''' |
Press '''Enter''' | Press '''Enter''' | ||
− | || Click on the field against '''Overall Heat Transfer Coefficient '''and enter it as '''<nowiki>450W | + | || Click on the field against '''Overall Heat Transfer Coefficient '''and enter it as '''<nowiki>450W[m</nowiki><sup>2</sup>.K]''' |
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|- | |- | ||
− | || '''Heat | + | || '''Heat Exchange Area>>250 m<sup>2'''</sup> |
Press '''Enter''' | Press '''Enter''' | ||
− | || Click on the field against '''Heat | + | || Click on the field against '''Heat Exchange Area '''and enter it as '''250 m<sup>2</sup>.''' |
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|- | |- | ||
− | || '''Results | + | || '''Results''' |
− | || | + | || Check '''Thermal efficiency;''' it is '''94.5%''' |
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|- | |- | ||
|| | || | ||
− | || Now we will check the | + | || Now we will check the stream-wise temperature results and '''Material balance.''' |
|- | |- | ||
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|- | |- | ||
|| Double click on''' Master Property Table''' | || Double click on''' Master Property Table''' | ||
− | || Double-click on | + | || Double-click on '''Master Property Table '''to edit it. |
|- | |- | ||
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|- | |- | ||
− | || '''Object >> | + | || '''Object >>Water In, Methanol In, Water Out and Methanol Out.''' |
|| Under '''Properties to display''', select '''Object '''as: | || Under '''Properties to display''', select '''Object '''as: | ||
− | '''Methanol | + | '''Water In, Methanol In, Water Out, Methanol Out''' |
|- | |- | ||
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− | Here we can see the corresponding results for '''Inlet '''and '''Outlet | + | Here we can see the corresponding results for '''Inlet''' and '''Outlet''' streams. |
|- | |- | ||
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|- | |- | ||
|| Double click on''' Master Property Table''' | || Double click on''' Master Property Table''' | ||
− | || Double-click on | + | || Double-click on '''Master Property Table.''' |
|- | |- | ||
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'''Hot fluid outlet temperature''' | '''Hot fluid outlet temperature''' | ||
− | '''Logarithmic mean temperature difference LMTD''' | + | '''Logarithmic mean temperature difference(LMTD)''' and |
'''Thermal Efficiency''' | '''Thermal Efficiency''' | ||
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− | Simulate a''' Heat Exchanger''' | + | * Simulate a''' Heat Exchanger''' |
− | Calculate the''' Outlet stream temperatures ''' | + | * Calculate the''' Outlet stream temperatures ''' |
− | Calculate''' Thermal Efficiency '''and''' LMTD''' | + | * Calculate''' Thermal Efficiency '''and''' LMTD''' |
|- | |- | ||
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| style="background-color:#ffffff;border:0.5pt solid #000001;padding-top:0in;padding-bottom:0in;padding-left:0.0736in;padding-right:0.0736in;"| The Spoken Tutorial Project Team | | style="background-color:#ffffff;border:0.5pt solid #000001;padding-top:0in;padding-bottom:0in;padding-left:0.0736in;padding-right:0.0736in;"| The Spoken Tutorial Project Team | ||
− | Conducts workshops and | + | * Conducts workshops and |
− | Gives certificates | + | * Gives certificates |
− | For more details, please write to | + | * For more details, please write to us. |
− | + | ||
− | + | ||
|- | |- | ||
Line 804: | Line 801: | ||
|| The '''FOSSEE '''team coordinates conversion of existing flow sheets into '''DWSIM'''. | || The '''FOSSEE '''team coordinates conversion of existing flow sheets into '''DWSIM'''. | ||
+ | |||
We give honorarium and certificates. | We give honorarium and certificates. | ||
+ | |||
For more details, please visit this site. | For more details, please visit this site. | ||
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|- | |- | ||
|| '''Slide Number 13 | || '''Slide Number 13 | ||
− | ''' | + | '''TextBook Companion Project''' |
− | || The '''FOSSEE '''team | + | || The '''FOSSEE '''team coordinates coding of solved examples of popular books. |
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− | For more details, please visit this site | + | For more details, please visit this site. |
|- | |- | ||
|| '''Slide Number 14 | || '''Slide Number 14 | ||
− | ''' | + | '''Lab Migration Project''' |
− | || The '''FOSSEE '''team | + | || The '''FOSSEE '''team helps migrate commercial simulator labs to '''DWSIM.''' |
− | We give honorarium and certificates . | + | We give honorarium and certificates. |
Latest revision as of 11:28, 18 August 2017
Visual Cue | Narration |
Slide Number 1
Title Slide |
Welcome to this tutorial on Simulating a Heat Exchanger in DWSIM. |
Slide Number 2
Learning Objective |
In this tutorial, we will learn to:
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Slide Number 3
System Requirements |
To record this tutorial, I am using
The process demonstrated in this tutorial is identical in other OS also, such as-
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Slide Number 4
Pre-requisites |
To practice this tutorial, you should know how to
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Slide Number 5
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The prerequisite tutorials are mentioned on our website, spoken-tutorial.org
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Slide Number 6
Hot Stream: Methanol
Mole Fraction(CH3OH): 0 Mole Fraction(H2O): 1 Temperature: 10 degree C Pressure: 1 bar
Mole Fraction(CH3OH): 1 Mole Fraction(H2O): 0 Temperature: 80 degree C Pressure: 5 bar |
We will develop a flowsheet to determine the Outlet stream temperatures.
Here we give Compounds and Inlet stream conditions. |
Slide Number 6
Overall Heat Transfer Coefficient: 450 W/[m2.K] Heat Exchanger Area: 250 m2 Cold Fluid Pressure Drop: 0.002 bar Hot Fluid Pressure Drop: 0.025 bar Property Package: Raoult’s Law |
Here we give Heat Exchanger properties and Property package. |
I have already opened DWSIM on my machine. | |
File >>New Steady-state Simulation | Go to File menu and select New Steady-state Simulation. |
Point to Simulation Configuration Wizard window | Simulation Configuration Wizard window appears. |
Click on Next. | At the bottom, click on Next button. |
Type Methanol in the Search tab | Now, in the Compounds Search tab, type Methanol. |
ChemSep database >>Methanol | Select Methanol from ChemSep database. |
Type Water in the Search tab | Similarly, add Water. |
Click on Next. | At the bottom, click on Next button. |
Point to Property Packages | Now comes Property Packages. |
Property Packages>> Available Property Package
Double click on Raoult’s Law |
From Available Property Packages, double-click on Raoult’s Law. |
Click on Next. | Then click on Next button. |
Point to Flash Algorithm | We are moved to a new window named Flash Algorithm. |
Default Flash Algorithm >>Nested Loops (VLE) | From Default Flash Algorithm select Nested Loops(VLE) |
Click Next | Click on Next button. |
Point to System of Units | Next option is System of Units. |
System of Units >> C5 | Under System of Units, select C5. |
Click on Finish | At the bottom, click on Finish button. |
Let us maximize the simulation window for better visibility. | |
Now let’s insert two material stream that enter the Heat Exchanger. | |
Point to Flowsheet Objects. | On the right hand side of the main simulation window, go to Flowsheet Objects. |
In the Filter List tab, type Material Stream | In the Filter List tab, type Material Stream. |
Click and drag Material Stream to the flowsheet | From the displayed list, drag and drop a Material Stream to the Flowsheet. |
Click on MSTR-000 | Click on the Material Stream “MSTR-000” to view its properties. |
Type Water In | Let’s change the name of this stream to Water In. |
Now we will specify the Water In stream properties. | |
Input Data>>Flash Spec>>Temperature and Pressure(TP) | Go to Input Data.
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Input Data >>Temperature >>10C
Press Enter |
Change Temperature to 10 degC and press Enter. |
Input Data >>Pressure >>1bar
Press Enter |
Change Pressure to 1 bar and press Enter. |
Input Data >>Mass Flow >>15000kg/h
Press Enter |
Change Mass Flow to 15000 kg/h and press Enter. |
Now let us specify the feed stream compositions. | |
Composition >>Basis >>Mole Fractions | Under Composition, choose the Basis as Mole Fractions, if not already selected.
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Methanol: 0
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Now for Methanol, enter the Amount as 0 and press Enter. |
Water: 1 | Similarly, for Water, enter it as 1 and press Enter. |
Click Accept Changes | On the right, click on this green tick to Accept Changes. |
Now drag and drop another Material Stream to the flowsheet. | |
Click on MSTR-000 | Click on Material Stream “MSTR-001” to view its properties. |
Type Methanol In | Let’s change the name of this stream to Methanol In. |
Now we will specify the Methanol In stream properties. | |
Input Data>>Flash Spec>>Temperature and Pressure(TP) | Go to Input Data.
|
Input Data >>Temperature >> 80 degC
Press Enter |
Change Temperature to 80 degC and press Enter. |
Input Data >>Pressure >>5 bar
Press Enter |
Change Pressure to 5 bar and press Enter. |
Input Data >>Mass Flow >>25000 kg/h
Press Enter |
Change Mass Flow to 25000 kg/h and press Enter. |
Now let us specify the Methanol In stream compositions. | |
Composition >>Basis >>Mole Fractions | Under Composition, choose the Basis as Mole Fractions, if not already selected.
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Methanol: 1
|
Now for Methanol, enter the Amount as 1 and press Enter. |
Water: 0 | Similarly, for Water, enter it as 0 and press Enter. |
Click Accept Changes | On the right, click on this green tick to Accept Changes. |
Now let’s insert two more material streams that exit the Heat Exchanger. | |
Click and Drag Material Stream to the flowsheet | To do that, let us drag one Material Stream. |
Let us now arrange it. | |
Leave that stream as unspecified. | |
Type Water Out | We will change the name of this stream to Water Out. |
Click and drag Material Stream to the flowsheet | Next, we will insert another Material Stream. |
Let us once again arrange it. | |
Leave that stream as unspecified. | |
Type Methanol Out | And name this stream as Methanol Out. |
Now let us insert a Heat Exchanger into the flowsheet. | |
Go to the Flowsheet Objects | Go to the Flowsheet Objects. |
In the Filter list tab, type Heat Exchanger. | In the Filter list tab, type Heat Exchanger. |
Click and drag Heat Exchanger to the flowsheet | Click on the Heat Exchanger displayed.
|
Let us now arrange it as required for better visibility. | |
Click Heat Exchanger | We are now ready to specify the Heat Exchanger.
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On the left, we can see a tab called Property Editor Window. | |
Go to Connections
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Under Connections, click on the drop-down against Inlet Stream 1.
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Click on drop down arrow against Outlet Stream 1
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Next, click on drop-down against Outlet Stream 1.
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Click on drop down against Inlet Stream 2
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Then click on drop-down against Inlet Stream 2.
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Click on drop down against Outlet Stream 2
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Then click on drop-down against Outlet Stream 2.
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Hover mouse at Calculation Parameters | Now go to the next section- Calculation Parameters. |
Here, the first option is Calculation Type. | |
Click drop down against Calculation Type | Click on the drop-down against Calculation Type. |
Select Outlet Temperatures (UA) | Select Outlet Temperatures (UA) |
Click drop down against Flow Direction.
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Next, click on the drop-down against Flow Direction
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Cold Fluid Pressure Drop>>0.002 bar
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Then click on the field against Cold Fluid Pressure Drop and enter 0.002 bar.
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Hot Fluid Pressure Drop>>0.025bar
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Click on the field against Hot Fluid Pressure Drop and enter it as 0.025 bar. |
Press Enter | Then press Enter. |
Overall Heat Transfer Coefficient >>450W[m2.K]
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Click on the field against Overall Heat Transfer Coefficient and enter it as 450W[m2.K]
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Heat Exchange Area>>250 m2
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Click on the field against Heat Exchange Area and enter it as 250 m2.
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Now we will run the simulation. | |
Click Solve Flowsheet | So, from the toolbar, click on Solve Flowsheet button. |
Click Heat Exchanger | When the calculations are completed, click on Heat Exchanger in the Flowsheet. |
Hover mouse at Results | From the Property Editor Window of Heat Exchanger, locate Results section. |
Results | Check Thermal efficiency; it is 94.5%
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Now we will check the stream-wise temperature results and Material balance. | |
Insert >>Master Property Table | Go to Insert menu and select Master Property Table. |
Double click on Master Property Table | Double-click on Master Property Table to edit it. |
Point to Configure Master Property Table | Configure Master Property Table window opens. |
Type Heat Exchanger – Stream Wise Results | Enter Name as Heat Exchanger – Stream Wise Results |
Object Type >>Material Stream | Enter Object Type as Material Stream.
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So we will not change it. | |
Object >>Water In, Methanol In, Water Out and Methanol Out. | Under Properties to display, select Object as:
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Configure Master Property Table>>Property | Under Property, scroll down to see all the parameters.
Pressure Mass Flow Molar Flow Molar Fraction(Mixture) / Methanol Molar Fraction(Mixture) / Water |
Close this window. | Close this window. |
Move the Master Property Table for better visibility.
| |
Now we will check the properties of Heat Exchanger. | |
Insert >>Master Property Table | Go to Insert menu and select Master Property Table. |
Double click on Master Property Table | Double-click on Master Property Table. |
Point to Configure Master Property Table | Configure Master Property Table window opens. |
Type Heat Exchanger – Results | Enter Name as Heat Exchanger – Results. |
Object Type >>Material Stream | Enter Object Type as Heat Exchanger. |
Object >>HE-004. | Under Properties to display, select Object as HE-004 |
Configure Master Property Table>>Property | Under Property, scroll down to see all the parameters.
Heat Exchange Area (A) Heat Load Cold fluid outlet temperature Hot fluid outlet temperature Logarithmic mean temperature difference(LMTD) and Thermal Efficiency |
Close this window. | Close this window. |
Move the Master Property Table for better visibility.
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Let's summarize. | |
Slide Number 7
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In this tutorial, we have learnt to
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Slide Number 8
Hot Stream: Acetone
Mole Fraction(C3H6O): 0 Mole Fraction(C6H5-CH3): 1 Temperature: 100 degree F Pressure: 1 bar
Mole Fraction(C3H6O): 1 Mole Fraction(C6H5-CH3): 0 Temperature: 200 degree F Pressure: 5 bar
Overall Heat Transfer Coefficient: 270 W/[m2.K] Heat Exchanger Area: 75 m2 Cold Fluid Pressure Drop: 0.0035 bar Hot Fluid Pressure Drop: 0.0025 bar Property Package: Raoult’s Law
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As an assignment,
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Slide Number 9
About the Spoken Tutorial Project |
Watch the video available at following link.
It summarizes the Spoken Tutorial project. |
Slide Number 10
Spoken Tutorial Workshops |
The Spoken Tutorial Project Team
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Slide Number 11
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. |
Please post your times queries in this forum. |
Slide Number 12
DWSIM Flowsheeting Project
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The FOSSEE team coordinates conversion of existing flow sheets into DWSIM.
|
Slide Number 13
TextBook Companion Project |
The FOSSEE team coordinates coding of solved examples of popular books.
|
Slide Number 14
Lab Migration Project |
The FOSSEE team helps migrate commercial simulator labs to DWSIM.
|
Slide Number 15
Acknowledgements |
Spoken Tutorial and FOSSEE projects are funded by NMEICT, MHRD, Government of India. |
Slide Number 16
Thanks |
This tutorial is contributed by Kaushik Datta and Priyam Nayak.
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