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AE 310 Fundamentals of Heating, Ventilating, and Air-Conditioning Chapter1
Chapter 1. Review of Thermodynamics and Heat Transfer

Introduction
Basic concepts of Heat Transfer
First Law of Thermodynamics
Second Law of Thermodynamics
Ideal Gas

Readings:

• . Moran and . Shapiro, Fundamentals of Engineering Thermodynamics,3rd ed.,
John Wiley & Sons, Inc., or Other thermodynamics texts

Introduction

Thermodynamics

Thermodynamics is the science devoted to the study of energy, its transformations, and its
relation to the status of matter.

energy  the first law (conservation of energy)
entropy  the second law (quality of energy)
every naturally occurring transformation of energy is panied
somewhere by a loss in the availability of energy for future performance of
work

System and Surroundings

System: an object, any quantity of matter, any region of space, etc. selected for study
Surroundings: the rest
Basic system types: Closed system (control mass) and Open system (control volume)

Property, State, Process and Equilibrium

A property is the observable characteristic of a system such as temperature, pressure and
density.

A state is the condition of the system defined by properties.

A process is transformation of the system from one state to another.

A thermodynamic cycle is a process that begins and ends at the same state.


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AE 310 Fundamentals of Heating, Ventilating, and Air-Conditioning Chapter1

Pressure-volume-temperature surface for a substance that expands on freezing


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AE 310 Fundamentals of Heating, Ventilating, and Air-Conditioning Chapter1
p-v-T Relationships

Thermodynamic properties: tables, graphs, equations and programs.







Basic Concepts

The engineering discipline of heat transfer is concerned with methods of calculating rates
of heat