- #1

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However given a time dependent inlet velocity ie. oscillating velocity, how do i get the outlet velocity? assume the flow is incompressible and inviscid. Tried looking for navier-stoke i had no clue what it does.

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- Thread starter sykiat89
- Start date

- #1

- 2

- 0

However given a time dependent inlet velocity ie. oscillating velocity, how do i get the outlet velocity? assume the flow is incompressible and inviscid. Tried looking for navier-stoke i had no clue what it does.

- #2

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Continuity still holds even if your inlet is time-dependent.

- #3

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Continuity still holds even if your inlet is time-dependent.

so, the equation, a1v1=a2v2 is applicable unless it is compressible flow? the last i remembered it is only for steady flow, and non of the books has a worked example for time-dependent inlet flow.

- #4

minger

Science Advisor

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Basically if you draw a control volume everything, since there can be no accumulation inside the CV due to incompressibility, then any changes at the inlet are immediately felt at the outlet.

So, yes, you're simple continuity equation should hold.

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