How long does it take to drain a tank? Bernoulli's equation is our starting point in answering this question, but I demonstrate why the theory isn't great at predicting what happens in reality. We look at why this is the case, and how process engineers deal with it when applying in practice.
Link to the predictions & experimental data: drive.google.com/file/d/1SsEN6rkV7pY1gjEUVL4n1HTbrk3SbIzD/view?usp=sharing
00:00 Intro
01:02 The maths
05:41 What if there is a pipe at the outlet?
07:13 Experimental setup
08:37 Results of draining a beer jug
10:01 Bernoulli's assumptions & discharge coefficients
12:52 Ugly equations that work
Process with Pat is the place to come for perspective and to ask stupid questions. I want you to leave more knowledgeable, confident, motivated, and most importantly, curious. I also want to invigorate a field that seems tired and uninspiring, at least if you get your perspective from internet forums. These are not lectures. This is a place for you to leave thinking “Oh! That’s why...”
This channel is not only for chemical engineers - anyone who works with processes should be able to find something of value here.
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