Thermofluids L23-25

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Mechanical Engineering

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7 Terms

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Extensive \[A\]
quantity that is a function of how much of it there is e.g. mass, momentum
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Intensive \[a\]
quantity is is independent of mass
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Inviscid flow
flow with no lateral exchange of momentum, particles move in the direction of flow
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Path lines
path traced out over time for a single particle released from a point
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Streaklines
The endpoints of many particles released from the same point, represents the particle front. Identical to path lines in steady flow.
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Streamlines
Lines that are parallel to the velocity vector field the can NOT cross
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Streamtubes
A collection of streamlines