Engineering Calculations in Radiative Heat Transfer - 1st Edition - ISBN: 9780080177878, 9781483138152

Engineering Calculations in Radiative Heat Transfer

1st Edition

International Series on Materials Science and Technology

Authors: W. A. Gray R. Müller
Editors: D. W. Hopkins
eBook ISBN: 9781483138152
Imprint: Pergamon
Published Date: 1st January 1974
Page Count: 176
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Engineering Calculations in Radiative Heat Transfer is a six-chapter book that first explains the basic principles of thermal radiation and direct radiative transfer. Total exchange of radiation within an enclosure containing an absorbing or non-absorbing medium is then described. Subsequent chapters detail the radiative heat transfer applications and measurement of radiation and temperature.

Table of Contents



1. Basic Principles of Thermal Radiation

1.1 Nature of Radiation

1.2 Absorption, Reflection and Transmission

1.3 Black-Body Radiation

1.4 Stefan- Boltzmann Law

1.5 Variation of Thermal Radiation with Wavelength-Planck's Distribution Law

1.6 Wien's Displacement Law

1.7 Intensity of Radiation

1.8 Lambert's Law

1.9 Inverse Square Law

1.10 Absorptivity of a Real Surface

1.11 Emissivity of a Real Surface

1.12 Grey Bodies

1.13 Effective Black-Body (or Brightness) Temperature

1.14 Kirchhoff's Law

1.15 Black-Body Enclosure

1.16 Data on Emmissivities for Real Surfaces

1.17 Solar Radiation

1.17.1 Solar Radiation Received in a Day

2. Direct Radiative Transfer

2.1 Simplified Situations

2.1.1 Black Body Completely Surrounded by Black Surfaces

2.1.2 Grey Body Completely Surrounded by Black Surfaces

2.1.3 Small Grey Body Completely Surrounded by Grey Surfaces

2.2 View Factors and Exchange Areas

2.2.1 Evaluation of View Factors

2.3 Total Energy Transfer among Black Surfaces

2.3.1 Summation

2.3.2 Networks

3. Total Exchange of Radiation within an Enclosure Containing a Non-Absorbing Medium

3.1 Leaving Flux or Radiosity

3.2 Radiative Heat Transfer in an Empty Enclosure

3.3 Refractory Walls

3.4 Enclosure Comprising Grey and Black Surfaces

3.5 Conduction of Heat through Furnace Walls

3.6 Zoning

3.7 Network Method

4. Radiative Heat Transfer within an Enclosure Containing an Absorbing Medium

4.1 Emission and Absorption of Radiation by an Absorbing Medium

4.1.1 Determination of Mean Beam Lengths

4.1.2 Particles in Combustion Products

4.1.3 Gases in Combustion Products

4.2 Effect of an Absorbing Medium on the Radiative Heat Transfer within an Enclosure

4.3 Exchange Areas for Absorbing Media

5. Radiative Heat Transfer Applications

5.1 Furnaces

5.1.1 Introduction

5.1.2 Furnace Geometry

5.1.3 Variation of Temperature with Time

5.1.4 Variation of Temperature within the Furnace

5.1.5 Representation of Real Gases

5.1.6 Heat Transfer between Real Surfaces

5.2 Solar Radiation

5.2.1 Solar Radiation upon Surfaces on Earth

5.2.2 Absorption of Solar Radiation by Surfaces

5.2.3 Effects of the Earth's Atmosphere

6. Measurement of Radiation and Temperature

6.1 Measurement of Radiation

6.1.1 Detecting Elements

6.1.2 Focusing of Radiation on to the Detecting Element

6.1.3 Selection of Wavelength Range by Optical Components

6.1.4 Amplification and Display

6.1.5 Types of Radiometer

6.2 Temperature Measurement

6.2.1 Thermocouples

6.2.2 Radiation Pyrometers

6.2.3 Maximum Intensity of Radiation

6.2.4 Measurements of Flame and Hot Gas Temperatures

Appendix 1. Kirchhoff's Law

Appendix 2. Monte Carlo Method

A2.1 Selection of a Point of Emission on a Plane Surface

A2.2 Selection of the Direction of an Emitted Beam of Radiation

A2.3 Non-Diffuse Surface

A2.4 Variation of Emissivity with Wavelength

A2.5 Absorption by a Medium

Appendix 3. Evaluation of Mean Beam Lengths

Appendix 4. Radiation Emitted by a Black Body within Stated Wavelength Ranges

Appendix 5. Emissivities of Atmospheres Containing Mixtures of Carbon Dioxide and Water Vapor





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© Pergamon 1974
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About the Author

W. A. Gray

R. Müller

About the Editor

D. W. Hopkins

Affiliations and Expertise

University College of Swansea, UK

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