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The chapter discusses fundamental concepts in fluid mechanics, focusing on the importance of velocity and pressure fields in fluid flow problems. It elaborates on analytical and computational methods to solve flow issues, highlighting distinctions between streamlines, pathlines, and streaklines. These concepts aid in visualizing flow patterns, essential for predicting and analyzing fluid behavior in various scenarios.
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References
ch 3 part b.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Velocity Field
Definition: A representation of the velocity of fluid particles as a vector quantity depending on spatial dimensions and time.
Term: Pressure Gradient
Definition: The rate of change of pressure in a fluid flow, which influences the direction and nature of flow.
Term: Streamline
Definition: A line that is tangent to the velocity vector at a given instant, illustrating the direction of fluid flow at that moment.
Term: Pathline
Definition: The actual path traveled by a fluid particle over time as it moves through the flow.
Term: Streakline
Definition: The locus of all particles that have passed through a fixed point in a fluid flow.