Module 6
:
Chapter 12
: Compressible Flow
Objectives
Lecture 38
Introduction
Thermodynamic Relations of Perfect Gases
Perfect Gas
Gas constants
Application of the perfect gas theory
Internal Energy and Enthalpy
First Law of Thermodynamics
Second Law of Thermodynamics
Isentropic Relation
Lecture 39
Speed of Sound
Pressure Field Due to a Moving Source
Basic Equations for One-Dimensional Flow
Continuity Equation
Energy Equation
Bernoulli and Euler Equations
Momentum Principle for a Control Volume
Lecture 40
Stagnation and Sonic Properties
Variation of stagnation properties
Effect of Area Variation on Flow Properties in Isentropic Flow
Convergent - Divergent Nozzle
Isentropic Flow in a Converging Nozzle
Pressure Distribution and Choking in a Converging Nozzle
Isentropic Flow in a Converging-Diverging Nozzle
Lecture 41
Normal Shocks
Fanno Line Flows
Rayleigh Line Flows
The Physical Picture of the Flow through a Normal Shock
Calculation of Flow Properties Across a Normal Shock
Oblique Shock
Supplementary Questions