Degree of Freedom Analysis On Single & Multiple Units Made Easy!

🔎 Degree of freedom analysis (DOF) is a super useful technique to verify if a given problem is solvable or not. This process can be carried out on single and multiple units. 💯

✅ The process shown in this tutorial is simple and easy to follow. By carrying our degree of freedom analysis, this will ensure that the material balance can be done, and also what unit is best to start the process, as we will see in our examples.

🎓 This powerful technique is super important to not only chemical engineers but any type of engineering or problem-solving statement with several unknown and known parameters.

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[taylordow]

This instructor really knows his stuff, very good tutorial and will be sharing with my friends!!

[ChemEngWeekly]

A very clear and good explanation! Great work 👏

[sarahwebb]

Excellent tutorial, has helped me so much, thank you for your channel!

[Neilkain-lh]

Very informative Dr, clear and easy to follow, looking forward to enrolling onto your courses #chemicalengineering #thechemengstudent

[jamesowen]

This was a really clear explanation greetings from Texas! Who else is from the US here guys?

[nomthivithidelebo]

So for the overall balance we only consider streams that are leaving the units or systems(overall products) and not entering elsewhere?..which is why n1 and y1M and y3M is not considered as their streams are still inputs in unit1 and unit2 respectively

[verydarkchocolate]

when you say you take the basis as ethanol, we consider all the equations based on ethanol balance right? and even if we were to have taken water too, the relation of the sum of mole fractions being one would have then kept the DOF the exact same right? Final question could you suggest a book for learning process modelling and simulation please? Thankyou.

[lonewolf]

How do I know the number of knowns? In those 2 unit system

[lonewolf]

Grer video but i havr a question, in the 2 unit system when taking the number of knowns in the overall balance, why isnt it 3 instead of 2, i mean there's 100 moles, 10 moles and 70 moles...

[abdiraheemomar]

can you please do the material balance

[nomthivithidelebo]

Also that do we consider relations only in the overall balance as for DOF of unit 2 you did not include the relation of n4

[AngelicaMiller-fs]

for example 3 overall balance how did you know n2=n4?