1. Lecture 4 Pressure variation in a static fluid N.S. Equations & simple solutions Intro DL

2. Pressure variation in a static fluid

3. Consider a differential element in a viscous fluid

4. Navier Stokes Equations N-S-E in index notation

5. Navier Stokes Equations In 3-d

6. Navier Stokes Equations Governing equations for flow of viscous fluids (equations of motion) Governing equations for flow of viscous fluids (equations of motion)

7. Flow through Simple geometries Capillary tube Capillary tube Between parallel plates Between parallel plates

8. Darcy’s observation & Law

9. One form of Darcy law

10. Constant head permeameter

11. Falling head permeameter