|Nov21-12, 04:16 PM||#1|
Momentum balance derivation in equations
I'm a little confused, in my fluid mechanics course we've covered many equations and they are all derived using an x-direction fluid flow. If I was to use these in a system in which fluid flowed in the y-direction would I have to re-derive them? Or would it be more of a case of using a horizontal system in a vertical direction?
|Nov21-12, 05:46 PM||#2|
Hi Fishinev! Welcome to PF!
In that case, if you want to apply the equations to a vertical system, you'll need extra (ρgh) terms to deal with gravity.
|Nov21-12, 06:25 PM||#3|
If this is a liquids questions then a body force such as gravity may well come into play.
Remember in chemical engineering other body forces are often also in play.
|balance, fluids, head, mechanics, momentum|
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