PPT - Thermodynamic Properties Of Real Fluids Civil Engineering (CE) Notes | EduRev

Thermodynamics

Civil Engineering (CE) : PPT - Thermodynamic Properties Of Real Fluids Civil Engineering (CE) Notes | EduRev

 Page 1


Thermodynamic Properties Of
Real Fluids
Page 2


Thermodynamic Properties Of
Real Fluids
Contents
 Introduction
 Property relations for Homogeneous Phase
 Residual Properties
 Residual Properties by Equation of State
 Property Relations for Two Phase Systems
 Thermodynamic Property Diagrams and Tables
 Generalized property Correlations for Gases
 Extension of Generalized property Correlations
for Gases to Mixtures
 Exercises
Page 3


Thermodynamic Properties Of
Real Fluids
Contents
 Introduction
 Property relations for Homogeneous Phase
 Residual Properties
 Residual Properties by Equation of State
 Property Relations for Two Phase Systems
 Thermodynamic Property Diagrams and Tables
 Generalized property Correlations for Gases
 Extension of Generalized property Correlations
for Gases to Mixtures
 Exercises
Introduction
 Processing of materials (pure and mixtures) is
key affair in chemical processes
 Estimation of many properties (and change)
other than volumetric properties (H,U,s,G etc.)
are required.
 How to know complete property set when
volumetric properties are not available
 What tools can one use to handle such issues?
Page 4


Thermodynamic Properties Of
Real Fluids
Contents
 Introduction
 Property relations for Homogeneous Phase
 Residual Properties
 Residual Properties by Equation of State
 Property Relations for Two Phase Systems
 Thermodynamic Property Diagrams and Tables
 Generalized property Correlations for Gases
 Extension of Generalized property Correlations
for Gases to Mixtures
 Exercises
Introduction
 Processing of materials (pure and mixtures) is
key affair in chemical processes
 Estimation of many properties (and change)
other than volumetric properties (H,U,s,G etc.)
are required.
 How to know complete property set when
volumetric properties are not available
 What tools can one use to handle such issues?
Property Relations for Homogeneous Phases
Fundamental Properties
ü Although equation (6.1) is derived from the special case of
a reversible process, it not restricted in application to
reversible process.
ü It applies to any process in a system of constant mass that
results in a differential change from one equilibrium state to
another.
ü The system may consist of a single phase or several
phases; may be chemically inert or may undergo chemical
reaction.
() () () nV d P nS d T nU d
dW dQ nU d
rev rev
. .
) (
- =
- =
…(6.1)
Page 5


Thermodynamic Properties Of
Real Fluids
Contents
 Introduction
 Property relations for Homogeneous Phase
 Residual Properties
 Residual Properties by Equation of State
 Property Relations for Two Phase Systems
 Thermodynamic Property Diagrams and Tables
 Generalized property Correlations for Gases
 Extension of Generalized property Correlations
for Gases to Mixtures
 Exercises
Introduction
 Processing of materials (pure and mixtures) is
key affair in chemical processes
 Estimation of many properties (and change)
other than volumetric properties (H,U,s,G etc.)
are required.
 How to know complete property set when
volumetric properties are not available
 What tools can one use to handle such issues?
Property Relations for Homogeneous Phases
Fundamental Properties
ü Although equation (6.1) is derived from the special case of
a reversible process, it not restricted in application to
reversible process.
ü It applies to any process in a system of constant mass that
results in a differential change from one equilibrium state to
another.
ü The system may consist of a single phase or several
phases; may be chemically inert or may undergo chemical
reaction.
() () () nV d P nS d T nU d
dW dQ nU d
rev rev
. .
) (
- =
- =
…(6.1)
Definitions
H = Enthalpy
A = Helmholtz energy
G = Gibbs energy
PV U H + º
TS U A - º
TS H G - º
…(2.11)
…(6.2)
…(6.3)
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