Heat and mass transfer in buildings

Title:

Personal Author:

Moss, Keith

Edition:

2nd ed.

Publication Information:

London : Taylor & Francis, 2007

ISBN:

9780415409070

Subject Term:

Heating -- Mathematics

Heat -- Transmission -- Mathematical models

Numerical calculations

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000010146004	TH7124 M67 2007	Open Access Book	Book	Searching... Unknown

Summary

The second edition of this reliable text provides readers with a thorough understanding of the design procedures that are essential in designing new buildings and building refurbishment.

Covering the fundamentals of heat and mass transfer as essential underpinning knowledge, this edition has been thoroughly updated and reflects the need for new building design and building refurbishment to feature low energy consumption and sustainable characteristics.

New additions include:

extended and updated worked examples two new appendices covering renewable energy systems and sustainable building engineering - with startling conclusions.

This book is an invaluable guide for HND and degree level students of building services engineering, as well as building, built environment, building engineering and architecture courses.

Author Notes

Keith J. Moss spent 13 years in contracting and consulting before moving to Bath where he taught to HND and Degree level. He has been an external examiner and verifier for BTEC/Edexcel and served on the CIBSE Education Training and Membership Committee.

List of examples	p. x
List of case studies	p. xv
Preface to the second edition	p. xvii
Acknowledgements	p. xix
Introduction	p. xxi
1 Thermal comfort and assessment	p. 1
1.1 Introduction	p. 2
1.2 Heat energy and temperature	p. 2
1.3 Thermometry	p. 3
1.4 Types of thermometer	p. 4
1.5 Heat loss from the human body	p. 5
1.6 Physiological responses	p. 10
1.7 Thermal assessment	p. 11
1.8 Thermal comfort criteria	p. 17
1.9 Temperature profiles	p. 24
1.10 Chapter closure	p. 25
2 Heat conduction	p. 26
2.1 Introduction	p. 27
2.2 Heat conduction at right angles to the surface	p. 27
2.3 Surface conductance	p. 31
2.4 Heat conduction in ground floors	p. 36
2.5 Heat conduction in suspended ground floors	p. 38
2.6 Thermal bridging and non-standard U values	p. 41
2.7 Non-standard U values, multi-webbed bridges	p. 43
2.8 Radial conductive heat flow	p. 46
2.9 Chapter closure	p. 53
3 Heat convection	p. 54
3.2 Introduction	p. 54
3.2 Rational formulae for free and forced heat convection	p. 57
3.3 Temperature definitions	p. 59
3.4 Convective heat output from a panel radiator	p. 61
3.5 Heat output from a freely suspended pipe coil	p. 63
3.6 Heat transfer from a tube in a condensing secondary fluid	p. 64
3.7 Cooling flux from a chilled ceiling	p. 66
3.8 Heat flux off a floor surface from an embedded pipe coil	p. 68
3.9 Heat transfer notes	p. 70
3.10 Chapter closure	p. 71
4 Heat radiation	p. 72
4.1 Introduction	p. 73
4.2 Surface characteristics	p. 73
4.3 The greenhouse effect	p. 76
4.4 Spectral wave forms	p. 76
4.5 Monochromatic heat radiation	p. 77
4.6 Laws of black body radiation	p. 78
4.7 Laws of grey body radiation	p. 80
4.8 Radiation exchange between a grey body and a grey enclosure	p. 81
4.9 Heat transfer coefficients for black and grey body radiation	p. 82
4.10 Heat radiation flux I	p. 83
4.11 Problem solving	p. 84
4.12 Asymmetric heat radiation	p. 96
4.13 Historical references	p. 97
4.14 Chapter closure	p. 97
5 Measurement of fluid flow	p. 98
5.1 Introduction	p. 98
5.2 Flow characteristics	p. 99
5.3 Conservation of energy in a moving fluid	p. 100
5.4 Measurement of gauge pressure with an uncalibrated manometer	p. 101
5.5 Measurement of pressure difference with an uncalibrated differential manometer	p. 102
5.6 Measurement of flow rate using a venturi meter and orifice plate	p. 104
5.7 Measurement of air flow using a pitot static tube	p. 111
5.8 Chapter closure	p. 114
6 Characteristics of laminar and turbulent flow	p. 115
6.1 Introduction	p. 115
6.2 Laminar flow	p. 116
6.3 Turbulent flow	p. 119
6.4 Boundary layer theory	p. 121
6.5 Characteristics of the straight pipe or duct	p. 125
6.6 Determination of the frictional coefficient in turbulent flow	p. 126
6.7 Solving problems	p. 127
6.8 Chapter closure	p. 135
7 Mass transfer of fluids in pipes, ducts and channels	p. 136
7.1 Introduction	p. 137
7.2 Solutions to problems in frictionless flow	p. 137
7.3 Frictional flow in flooded pipes and ducts	p. 144
7.4 Semi-graphical solutions to frictional flow in pipes and ducts	p. 160
7.5 Gravitational flow in flooded pipes	p. 162
7.6 Gravitational flow in partially flooded pipes and channels	p. 170
7.7 Alternative rational formulae for partial flow	p. 176
7.8 Flow of natural gas in pipes	p. 180
7.9 Flow of compressed air in pipes	p. 181
7.10 Vacuum pipe sizing	p. 183
7.11 Chapter closure	p. 184
8 Natural ventilation in buildings	p. 185
8.1 Introduction	p. 186
8.2 Aerodynamics around a building	p. 186
8.3 Effects on cross-ventilation from the wind	p. 191
8.4 The stack effect	p. 194
8.5 Natural ventilation to internal spaces with openings in one wall only	p. 198
8.6 Ventilation for cooling purposes	p. 200
8.7 Fan assisted ventilation	p. 205
8.8 Further reading	p. 206
8.9 Chapter closure	p. 206
9 Regimes of fluid flow in heat exchangers	p. 207
9.1 Introduction	p. 208
9.2 Parallel flow and counterflow heat exchangers	p. 209
9.3 Heat transfer equations	p. 212
9.4 Heat exchanger performance	p. 219
9.5 Cross flow	p. 225
9.6 Further examples	p. 228
9.7 Chapter closure	p. 232
Appendix 1 Verifying the form of an equation by dimensional analysis	p. 233
AI.1 Introduction	p. 233
AI.2 Dimensions in use	p. 234
AI.3 Appendix closure	p. 238
Appendix 2 Solving problems by dimensional analysis	p. 239
A2.1 Introduction	p. 240
A2.2 Establishing the form of an equation	p. 240
A2.3 Dimensional analysis in experimental work	p. 243
A2.4 Examples in dimensional analysis	p. 244
A2.5 Appendix closure	p. 262
Appendix 3 Renewable energy systems	p. 263
A3.1 Introduction	p. 263
A3.2 Wind turbines	p. 264
A3.3 Hydro power	p. 267
A3.4 Marine turbines	p. 275
A3.5 Solar irradiation and the solar constant	p. 277
A3.6 Photovoltaics	p. 281
A3.7 Biomass	p. 282
A3.8 Combined heat and power	p. 285
A3.9 Fuel cell CHP	p. 287
A3.10 References and further reading	p. 289
A3.11 Appendix closure	p. 290
Appendix 4 Towards sustainable building engineering	p. 291
A4.1 Introduction	p. 291
A4.2 Thermodynamics and sustainability	p. 292
A4.3 The laws of thermodynamics	p. 294
A4.4 Power supplies	p. 297
A4.5 Products and systems	p. 297
A4.6 The building footprint	p. 300
A4.7 Scenarios for building services	p. 300
A4.8 Further reading	p. 302
A4.9 Appendix closure	p. 303
Bibliography	p. 304
Index	p. 305

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Summary

Summary

Author Notes

Table of Contents