Fluid Mechanics (ENCE 201): Chapter 3 Fluid Flow Kinematics Notes 2025 | Study Material
FLUID MECHANICS (ENCE 201) - Fluid Flow Kinematics
FLUID MECHANICS (ENCE 201)
Chapter 3: Fluid Flow Kinematics | 8 Hours | 8 Marks

FLUID MECHANICS (ENCE 201): Fluid Flow Kinematics

Understanding Fluid Flow Kinematics

This chapter, Fluid Flow Kinematics, focuses on describing fluid motion without considering the forces that cause the motion. Kinematics deals with the geometry of motion, providing methods to visualize and mathematically describe how fluids flow through various systems.

The chapter covers Lagrangian and Eulerian descriptions of fluid flow, classification of different flow types, and visualization techniques using streamlines, streak lines, and path lines. It also introduces mathematical concepts like stream functions, velocity potential functions, and the continuity equation that form the foundation for analyzing fluid motion.

For civil engineering applications such as designing water distribution networks, analyzing river flows, designing hydraulic structures, and environmental engineering projects, understanding fluid flow kinematics is essential for predicting flow patterns, calculating discharges, and ensuring efficient system design.

Chapter 3 Syllabus: Fluid Flow Kinematics

Chapter 3: Fluid Flow Kinematics
8 hours
8 Marks

3. Fluid Flow Kinematics (8 hours)

3.1 Lagrangian and Eulerian concept in fluid flow, classification of flow

3.2 Description of flow patterns:

– Streamlines, streak lines, path lines (Equations and practical examples)

3.3 Stream tube, stream functions and velocity potentials functions, total acceleration

3.4 Conservation principle of mass, continuity equation of Cartesian and polar co-ordinates

3.5 Discharges and mean velocity of flow

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