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Need some help with Fluid Dynamics
Dorkman
Registered User regular
Registered User regular
So I am taking fluid dynamics at a community college level, and of course we attract only but the "best" instructors.
Our instructor is a civil engineer by trade, and he has been giving the task of instructing a Mechinical Engineering Technology fluid mechanics course and he is having some issues.
Either way, we are working on a chapter of piping series, and calculating values like Q given a number of different factors. Part of this calculation requires what I can only assume is guessing a friction factor and somehow iterating to the correct value. Either way most of the time we ask him to do questions, he tends to get lost and can't figure them out himself, and as the text is not that great I come here.
The text refers to these problems as Class II problems, but I am not sure if that is an industry word. Regardless, does anyone know of a good online resource for Fluid Mechanics and these type of problems in particular? I have a midterm in a couple days and really starting to feel the pressure after fruitlessly doing problems while trying to follow this text.
Thanks!
Our instructor is a civil engineer by trade, and he has been giving the task of instructing a Mechinical Engineering Technology fluid mechanics course and he is having some issues.
Either way, we are working on a chapter of piping series, and calculating values like Q given a number of different factors. Part of this calculation requires what I can only assume is guessing a friction factor and somehow iterating to the correct value. Either way most of the time we ask him to do questions, he tends to get lost and can't figure them out himself, and as the text is not that great I come here.
The text refers to these problems as Class II problems, but I am not sure if that is an industry word. Regardless, does anyone know of a good online resource for Fluid Mechanics and these type of problems in particular? I have a midterm in a couple days and really starting to feel the pressure after fruitlessly doing problems while trying to follow this text.
Thanks!
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So in essence, I'm not much help other than "don't stress, you'll do fine out in the real world, even if you become an applications engineer for a pump distributor. Y'know, like I was. At that job where I never had to figure it out this way."
If you have time, maybe post a problem you're stuck on? I can't promise I'll personally have time to go through it but I know there are other people knowledgeable in this area on the boards
Sounds like you need to find the Moody Friction Factor? It's tough to offer explicit advice without knowing exactly what you're doing. If you can post the problem in more specifics I'd be happy to help!
But I must agree to the sentiments shown above, half of the examples done in this book were done using a spreadsheet, so that was slightly frustrating.
I think I managed to figure it out, at least to the point of faking it for the ol midterm today! We shall see how well that went, either way, thanks folks! I will remember all of you to bug at a later date!
Now if I can just get Machine Design under control, I will be set.,