Heat and Mass Transfer in Building Services Design

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Taylor & Francis, 1998 - Technology & Engineering - 233 pages
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Building design is increasingly geared towards low energy consumption. Understanding the fundamentals of heat transfer and the behaviour of air and water movements is more important than ever before.
Heat and Mass Transfer in Building Services Design provides an essential underpinning knowledge for the technology subjects of space heating, water services, ventilation and air conditioning.
This new text:
*provides core understanding of heat transfer and fluid flow from a building services perspective
*complements a range of courses in building services engineering
*underpins and extends the themes of the author's previous books: Heating and Water Services Design in Buildings; Energy Management and Operational Costs in Buildings
Heat and Mass Transfer in Building Services Design combines theory with practical application for building services professional and students. It will also be beneficial to technicians and undergraduate students on courses in construction and mechanical engineering.
 

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Contents

Thermal comfort and assessment
1
12 Heat energy and temperature
2
13 Thermometry
3
15 Heat loss from the human body
4
16 Physiological responses
9
18 Thermal comfort criteria
14
19 Temperature profiles
22
110 Chapter closure
23
56 Measurement of flow rate using a venturi meter and orifice plate
100
57 Measurement of air flow using a pitot static tube
106
58 Chapter closure
108
Characteristics of laminar and turbulent flow
109
62 Laminar flow
110
63 Turbulent flow
112
64 Boundary layer theory
114
65 Characteristics of the straight pipe or duct
118

Heat conduction
24
21 Introduction
25
23 Surface conductance
29
24 Heat conduction in ground floors
33
25 Heat conduction in suspended ground floors
35
26 Thermal bridging and non standard U values
37
27 Nonstandard U values multiwebbed bridges
39
28 Radial conductive heat flow
42
29 Chapter closure
48
Heat convection
50
32 Rational formulae for free and forced heat convection
53
33 Temperature definitions
54
34 Convective heat output from a panel radiator
57
35 Heat output from a pipe coil freely suspended
58
36 Heat transfer from a tube in a condensing secondary fluid
60
37 Cooling flux from a chilled ceiling
62
38 Heat flux off a floor surface from an embedded pipe coil
63
39 Chapter closure
66
Heat radiation
67
42 Surface characteristics
68
43 The greenhouse effect
71
45 Monochromatic heat radiation
72
46 Laws of black body radiation
73
47 Laws of grey body radiation
74
48 Radiation exchange between a grey body and a grey enclosure
75
49 Heat transfer coefficients for black and grey body radiation
76
410 Heat radiation flux I
77
411 Problem solving
78
412 Asymmetric heat radiation
88
413 Solar irradiation and the solar constant
89
414 Solar collectors
91
415 Chapter closure
92
Measurement of fluid flow
94
53 Conservation of energy in a moving fluid
96
54 Measurement of gauge pressure with an uncalibrated manometer
97
55 Measurement of pressure difference with an uncalibrated differential manometer
98
66 Determination of the frictional coefficient in turbulent flow
119
67 Solving problems
120
68 Chapter closure
127
Flow of fluids in pipes ducts and channels
129
71 Introduction
130
73 Frictional flow in flooded pipes and ducts
136
74 Semigraphical solutions to frictional flow in pipes and ducts
148
75 Gravitational flow in flooded pipes
150
76 Gravitational flow in partially flooded pipes and channels
156
77 Alternative rational formulae for partial flow
162
78 Chapter closure
164
Natural ventilation in buildings
165
81 Introduction
166
82 Aerodynamics around a building
167
83 Effects on cross ventilation from the wind
170
84 Stack effect
173
85 Natural ventilation to internal spaces with openings in one wall only
176
86 Ventilation for cooling purposes
178
87 Fan assisted ventilation
183
Regimes of fluid flow in heat exchangers
184
91 Introduction
185
93 Heat transfer equations
188
94 Heat exchanger performance
195
95 Cross flow
200
96 Further examples
202
97 Chapter closure
206
Verifying the form of an equation by dimensional analysis
207
102 Dimensions in use
208
103 Chapter closure
211
Solving problems by dimensional analysis
213
113 Dimensional analysis in experimental work
215
114 Examples in dimensional analysis
217
115 Chapter closure
228
Bibliography
229
Index
231
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