Module 3
:
Chapter 6
: Principles of Physical Similarity and Dimensional Analysis
Objectives
Lecture 17
Principles of Physical Similarity
An Introduction
Types of Physical Similarity
Geometric Similarity
Kinematic Similarity
Dynamic Similarity
Lecture 18
Magnitude of Different Forces acting on a Fluid Element
Dynamic Similarity of Flows with
Viscous, Pressure and Inertia Forces
Gravity, Pressure and Inertia Forces
Surface Tension as the Dominant Force
Elastic Force
Ratios of Forces for Different Situations of Flow
Lecture 19
The Application of Dynamic Similarity - Dimension of Physical Quantity
Buckingham's Pi-Theorem
Alternative Mathematical Description of (p) Pi Theorem
Determination of p terms
Rayleigh's Indical Method
Exercise Problem
