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Textbook

Essentials of Radiation Heat Transfer

ISBN: 978-1-118-90831-0
254 pages
August 2014, ©2014
Essentials of Radiation Heat Transfer (1118908317) cover image

Description

Essentials of Radiation Heat Transfer presents the essential, fundamental information required to gain an understanding of radiation heat transfer and equips the reader with enough knowledge to be able to tackle more challenging problems. All concepts are reinforced by carefully chosen and fully worked examples, and exercise problems are provided at the end of every chapter.

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Table of Contents

1 Introduction 1

1.1 Important of thermal radiation 1

1.2 Nature of radiation 6

2 Black body and its characteristics 11

2.1 Key attributes of a black body 13

2.2 Solid angle - dw 19

2.3 Spectral or monochromatic radiation intensity 23

2.4 Spectral hemispherical emissive power 24

2.5 Radiation pressure 28

2.6 Ralationship between the intensity, I and temperature T 33

2.7 Planck's distribution 38

2.8 The Rayleigh Jeans distribution 39

2.9 Planck's distribution salient features 52

Problems 64

3 Radiative properties of non-black surfaces 67

3.1 Why do we need a gray body model" 68

3.2 Spectral directional emissivity 70

3.3 Hemispherical spectral emissive 72

3.4 Directional total emissivity 73

3.5 Hemispherical total emissivity, &epsis;(T) 74

3.6 Absorptivity, α 84

3.7 Spectral directional absorptivity , α' 87

3.8 Hemispherical spectral absorptivity 91

3.10 Hemispherical total absorptivity, α (TA) 93

3.11 Reflectivity, p 100

3.12 Transmissivity, T

3.13 Spectral transmissivity 104

Problems 112

4 Radiation hear transfer between surfaces 115

4.1 Enclosure theory 116

4.2 View factor 118

4.3 View factor algebra 121

4.4 View factors from direct integration 134

4.5 Enclosure analysis 150

Problems 172

5 Radiation in participating media 179

5.1 Principal difficulties in studying gas radiation 183

5.2 Important properties for study of gas radiation 183

5.3 Equation of transfer or Radiative transfer equation (RTE) 184

5.4 Solution for the straight path 189

5.5 Heat fluxes 190

Problems 216

6 Introduction to atmospheric radiation 217

6.1 Introduction 217

6.2 Electromagnetic spectrum 217

6.3 Black body radiation 218

6.4 Radiative transfer equation for a plane parallel atmosphere 220

6.5 Radiative transfer equation (RTE) for an absorbing and emitting atmosphere 221

6.6 Infrared remote sensing 222

Problems 224

7 Inverse problems in radiation 225

7.1 Introduction 225

7.2 Least squares minimization for parameter estimation 227

7.3 The Bayesian method for inverse problems 234

Problems 242

Bibliography 243

Index 245

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