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Introduction to Fluid Mechanics

Introduction to Fluid Mechanics. Chapter 2 Fundamental Concepts. Main Topics. Fluid as a Continuum Velocity Field Stress Field Viscosity Surface Tension Description and Classification of Fluid Motions. Fluid as a Continuum. Velocity Field. Velocity Field. Consider also

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Introduction to Fluid Mechanics

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  1. Introduction to Fluid Mechanics Chapter 2 Fundamental Concepts

  2. Main Topics • Fluid as a Continuum • Velocity Field • Stress Field • Viscosity • Surface Tension • Description and Classification of Fluid Motions

  3. Fluid as a Continuum

  4. Velocity Field

  5. Velocity Field Consider also • Steady and Unsteady Flows • 1D, 2D, and 3D Flows • Timelines, Pathlines, and Streaklines

  6. Stress Field

  7. Viscosity • Newtonian Fluids • Most of the common fluids (water, air, oil, etc.) • “Linear” fluids

  8. Viscosity • Non-Newtonian Fluids • Special fluids (e.g., most biological fluids, toothpaste, some paints, etc.) • “Non-linear” fluids

  9. Viscosity • Non-Newtonian Fluids

  10. Surface Tension

  11. Description and Classification of Fluid Motions

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