Question
Download Solution PDFThe imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as-
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Streamlines are a family of curves that are instantaneously tangent to the velocity vector of the flow. These show the direction in which a mass-less fluid element will travel at any point in time
Streaklines are the loci of points of all the fluid particles that have passed continuously through a particular spatial point in the past. Dye steadily injected into the fluid at a fixed point extends along a streak line.
Pathlines are the trajectories that individual fluid particles follow. These can be thought of as "recording" the path of a fluid element in the flow over a certain period. The direction the path takes will be determined by the streamlines of the fluid at each moment in time.
For steady flow, path lines, streamlines and streaklines coincide.
Last updated on Jul 2, 2025
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