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Published byDorthy Riley Modified over 2 years ago

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A streakline is the path that a particle will follow in the flow, the locus of particles that have passed sequentially through a prescribed path in the flow. Particles are continuously introduced at a certain point, the streakline shows the line formed due to the release of these particles from the specific point.

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A pathline is the path that is followed by a particle released into the fluid; the actual path traversed by a given fluid particle. A pathline represents a particle's path.

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A timeline is lines that represent the same set of fluid particles but which show their position at different moments in time. If one point was taken on a timeline and traced with time, a pathline would be obtained.

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Some examples…….

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A streamline is a line that is everywhere tangent to the instantaneous local velocity vector. A streamline represents a velocity path.

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