Characteristics of System, Boundary & Control Surface of thermodynamics

Characteristics of System, Boundary & Control Surface

Introduction and Scope Characteristics of System, Boundary & Control Surface Thermodynamic Systems Thermodynamic Views Thermodynamic Properties Thermodynamic Equilibrium Pure Substance Basic Terms (State, Path, Process & Cycle) Quasistatic Process Path and Point Function Temperature – Concepts, Scales, Fixed Points and Measurements Zeroth Law of Thermodynamics Pressure & Terms Related to Pressure Reversible & Irreversible Process Work, Heat and Energy

First Law of Thermodynamics First Law for a Closed System Undergoing a Change of State or a Process Work Transfer Displacement Work Work Done for Various Quasi Static Processes Free Expansion Heat Transfer Types of Heat Transfer Problems Based on Closed Cycle

Characteristics of System, Boundary & Control Surface

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Figure: Characteristics of System Boundary

Control Volume

For thermodynamic analysis of a system, such as the air compressor shown in figure, attention is focused on a certain volume in space surrounding the system known as the control volume.

Control Surface

The control volume of a system bounded by a surface is called the control surface. Here the matter as well as energy crosses the control surface.

Surroundings

Everything external to the system is called the surroundings or environment.

Boundary

The system is separated from the surroundings by a system boundary. The boundary may be either fixed or movable.

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Characteristics of System, Boundary & Control Surface

Basic Concepts and Definitions

First Law of Thermodynamics for Closed System

Characteristics of System, Boundary & Control Surface