Applied Building Physics : Ambient Conditions, Functional Demands, and Building Part Requirements
Applied Building Physics : Ambient Conditions, Functional Demands, and Building Part Requirements
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Author(s): Hens, Hugo S. L.
ISBN No.: 9783433611906
Pages: 352
Year: 202309
Format: E-Book
Price: $ 110.40
Dispatch delay: Dispatched between 7 to 15 days
Status: Available

Preface xv About the Author xvii List of Units and Symbols Introduction 1 Subject of the Book 1 Further Reading 2 1 Ambient Conditions Out- and Indoors 3 1.1 Overview 3 1.2 Outdoors 5 1.2.1 In General 5 1.2.2 Air Temperature 6 1.2.


3 Solar Radiation 9 1.2.3.1 In General 9 1.2.3.2 Beam Radiation 11 1.2.


3.3 Diffuse Radiation 13 1.2.3.4 Reflected Radiation 15 1.2.3.5 Total Radiation 15 1.


2.4 Clear Sky Long Wave Radiation 15 1.2.5 Relative Humidity (RH) and (Partial Water) Vapour Pressure 18 1.2.6 Wind 20 1.2.6.


1 Impact 20 1.2.6.2 Wind Speed 21 1.2.6.3 Wind Pressure 22 1.2.


7 Rain 23 1.2.7.1 Impact 23 1.2.7.2 Precipitation 23 1.2.


7.3 Wind-driven Rain 25 1.2.8 Microclimate Around Buildings 28 1.2.9 Standardized Outside Climate Data 28 1.2.9.


1 Design Temperature 28 1.2.9.2 Very Hot Summer, Very Cold Winter Day 30 1.2.9.3 Moisture Reference Year 30 1.2.


9.4 Equivalent Temperature for Condensation and Drying 32 1.2.9.5 Monthly Mean Vapour Pressure Outdoors 35 1.3 Indoors 35 1.3.1 In General 35 1.


3.2 Air Temperature 35 1.3.2.1 In General 35 1.3.2.2 Measured Data 36 1.


3.3 Relative Humidity (RH) and Vapour Pressure 37 1.3.3.1 In General 37 1.3.3.2 Vapour Release Indoors 38 1.


3.3.3 Measured Data 38 1.3.3.4 Indoor Climate Classes 45 1.3.4 Indoor to Outdoor Air Pressure Differentials 47 Annex: Solar Radiation at Uccle, Belgium (50 51 ' N, 4 21 ' E) 48 Further Reading 59 2 Performance Metrics and Arrays 63 2.


1 Definitions 63 2.2 Functional Demands 63 2.3 Performance Requirements 64 2.4 A Short History 64 2.5 Performance Arrays 66 2.5.1 Overview 66 2.5.


1.1 The Built Environment 66 2.5.1.2 Whole Buildings and Building Assemblies 66 2.5.2 Some Demands More in Detail 70 2.5.


2.1 Functionality 70 2.5.2.2 Structural Adequacy 70 2.5.2.3 Building Physics-Related Requirements 71 2.


5.2.4 Fire Safety 71 2.5.2.5 Durability 72 2.5.2.


6 Sustainability 73 2.5.2.7 Maintenance 73 Further Reading 73 3 Performance Demands at the Whole Building Level 75 3.1 In Brief 75 3.2 Thermal, Acoustical, Visual and Olfactory Comfort 75 3.2.1 In General 75 3.


2.2 Thermal Comfort 76 3.2.2.1 Physiological Basis 76 3.2.2.2 The Autonomous Control System 77 3.


2.2.3 Steady State Thermal Comfort, A Physiological Approach 78 3.2.2.4 Comfort Parameters and Variables 81 3.2.2.


5 Steady State Thermal Comfort, the Adaptive Model 85 3.2.2.6 Thermal Comfort Under Non-uniform, Non-steady-state Conditions 86 3.2.2.7 Local Discomfort 87 3.2.


2.8 Standard-based Comfort Requirements 89 3.2.2.9 Consequences for the Enclosure Performance 92 3.2.3 Acoustical Comfort 93 3.2.


3.1 Anatomy of the Ears 93 3.2.3.2 Physiological Facts 94 3.2.3.3 Effects of Unacceptable Noise 94 3.


2.3.4 Comfort Values 97 3.2.4 Visual Comfort 99 3.2.4.1 Anatomy of the Eyes 99 3.


2.4.2 Physiological Facts 99 3.2.4.3 Comfort Values 100 3.2.5 Olfactory Comfort 102 3.


2.5.1 Anatomy of the Nose 102 3.2.5.2 Physiological Facts 102 3.2.5.


3 Comfort Values 102 3.3 Health and Indoor Environmental Quality (IEQ) 103 3.3.1 In General 103 3.3.2 Health 104 3.3.3 Definitions 104 3.


3.4 Relation Between Pollution Out- and Indoors 105 3.3.5 Process-related Contaminants, Some Coming from Outdoors 105 3.3.5.1 Dust, Vapours, Smoke, Mist and Gaseous Clouds 105 3.3.


5.2 Fibres 106 3.3.5.3 Ozone 107 3.3.6 Contaminants Emitted by Materials and Other Sources 107 3.3.


6.1 (Semi) Volatile Organic Compounds ((S)VOCs) 107 3.3.6.2 Formaldehyde (HCHO) 108 3.3.6.3 Phthalates 108 3.


3.6.4 Pentachlorophenol 109 3.3.7 Soil Linked Radon 109 3.3.8 Combustion Linked Contaminants 110 3.3.


8.1 In General 110 3.3.8.2 Carbon Monoxide (CO) 111 3.3.8.3 Nitrous Dioxide (NO 2) 111 3.


3.9 Bio-germs 111 3.3.9.1 Viruses 111 3.3.9.2 Bacteria 111 3.


3.9.3 Moulds 112 3.3.9.4 Dust Mites 114 3.3.9.


5 Insects 115 3.3.9.6 Rodents 115 3.3.9.7 Pets 115 3.3.


10 Human Related Contaminants 115 3.3.10.1 In General 115 3.3.10.2 Carbon Dioxide (CO 2) 116 3.3.


10.3 Water Vapour 116 3.3.10.4 Bio-odours 116 3.3.10.5 Tobacco Smoke 116 3.


3.11 Perceived Indoor Air Quality 118 3.3.11.1 Odour 118 3.3.11.2 Indoor Air Enthalpy 119 3.


3.12 Sick Building Syndrome 120 3.3.13 Contaminant Control 121 3.3.13.1 In General 121 3.3.


13.2 Minimizing the Emissions 121 3.3.13.3 Ventilation 121 3.3.13.4 Air Cleaning and Personal Protective Measures 130 3.


4 Energy Efficiency 131 3.4.1 The Problem 131 3.4.2 Some Statistics 132 3.4.3 End Energy Use in Buildings 132 3.4.


3.1 In General 132 3.4.3.2 Lighting and Appliances 133 3.4.3.3 Domestic Hot Water 135 3.


4.3.4 Space Heating, Cooling and Air Conditioning 136 3.4.4 Space Heating, Steady-state 136 3.4.4.1 Terminology 136 3.


4.4.2 Steady State Heat Balance at Zone Level 138 3.4.4.3 Whole Building Net Heating Balance 143 3.4.4.


4 Annual End Energy Use for Heating 144 3.4.4.5 Protected Volume Seen as One Zone at Given Temperature 145 3.4.5 Simple Methods to Guess the Annual End Energy Use for Heating 145 3.4.5.


1 When Predesigning Single-family Houses 145 3.4.5.2 Using Degree-days 145 3.4.6 Space Conditioning and Overheating, Non-steady-state Evaluation 146 3.4.6.


2 Methodologies 146 3.4.6.3 Harmonic Analysis in Detail 148 3.4.6.4 Lines of Influence in Detail 154 3.4.


6.5 Control Volumes in Detail (CVM) 156 3.4.7 Residential Buildings, Factors Shaping the Net Heating Demand 157 3.4.7.1 Overview 157 3.4.


7.2 Outdoor Climate 157 3.4.7.3 Building Use 158 3.4.7.4 Building Design and Construction 166 3.


4.8 Residential Buildings, Factors Fixing the Net Cooling Demand 175 3.4.9 Residential Buildings, Gross Energy Demand and End Use for Heating and Cooling 175 3.4.10 Residential Buildings Ranked in Terms of Energy Efficiency 177 3.4.10.


1 Insulated 177 3.4.10.2 Energy Efficient 177 3.4.10.3 Low Energy 177 3.4.


10.4 Passive 177 3.4.10.5 Nearly Net Zero (nZEB) 177 3.4.10.6 Net Zero (ZEB) 178 3.


4.10.7 Net Plus 178 3.4.10.8 Energy Autarkic 178 3.4.10.


9 Zero Carbon 178 3.4.11 Non-residential Buildings, From Net Demand to Primary Energy Use 179 3.4.11.1 In General 179 3.4.11.


2 School Renovation as Exemplary Case 179 3.5 Durability 182 3.5.1 In General 182 3.5.2 Loads 183 3.5.3 Damage Patterns 184 3.


5.3.1 Decrease in Thermal Insulation Performance 184 3.5.3.2 Decrease in Strength and Stiffness 185 3.5.3.


3 Stress, Strain, Deformation and Cracking Induced 185 3.5.3.4 Biological Attack 188 3.5.3.5 Frost 190 3.5.


3.6 Salt Attack 194 3.5.3.7 Chemical Attack 198 3.5.3.8 Corrosion 199 3.


6 Economics 201 3.6.1 In General 201 3.6.2 Total and Net Present Value 201 3.6.3 Optimal Insulation Thickness 202 3.6.


4 Whole Building Optimum 203 3.6.4.1 Methodology 203 3.6.4.2 Application 204 3.7 Sustainability 210 3.


7.1 In General 210 3.7.2 Life Cycle Inventory and Analysis (LCIA) 211 3.7.2.1 Definition 211 3.7.


2.2 Some Criteria 212 3.7.2.3 Total Energy Use 215 3.7.2.4 Recycling 216 3.


8 High-performance Buildings 216 3.8.1 In General 216 3.8.2 Rationale Developed for Governmental Office Building 217 Further Reading 220 4 Heat, Air, Moisture (HAM) Metrics at the Building Assembly Level 229 4.1 Introduction 229 4.2 Airtightness 229 4.2.


1 Airflow Patterns 229 4.2.2 Performance Requirements 231 4.2.2.1 Air In- and Exfiltration 231 4.2.2.


2 Indoor Air Washing, Wind Washing and Air Looping 232 4.3 Thermal Transmittance 233 4.3.1 Definitions 233 4.3.1.1 Opaque Envelope Assemblies Above Grade 233 4.3.


1.2 Floors on Grade as Three Dimensional Case 233 4.3.1.3 Other Three Dimensional Cases 235 4.3.1.4 Transparent Parts 235 4.


3.1.5 Whole Envelopes 237 4.3.2 Basis for Requirements 238 4.3.2.1 Envelope Parts 238 4.


3.2.2 Whole Envelopes 238 4.3.3 Examples of Requirements 238 4.3.3.1 Remark 238 4.


3.3.2 Envelope Parts 238 4.3.3.3 Whole Envelopes 238 4.4 Transient Thermal Response 242 4.4.


1 Properties of Importance 242 4.4.2 Performance Requirements 243 4.4.3 Consequences for the Building Fabric 244 4.5 Moisture Tolerance 245 4.5.1 In General 245 4.


5.2 Construction Moisture 245 4.5.2.1 Definition 245 4.5.2.2 Performance Requirements 246 4.


5.2.3 Consequences for the Building Fabric 246 4.5.3 Rain 248 4.5.3.1 In General 248 4.


5.3.2 Performance Requirements 250 4.5.3.3 Modelling 250 4.5.3.


4 Consequences for the Building Envelope 252 4.5.4 Rising Damp 256 4.5.4.1 Definition 256 4.5.4.


2 Performance Requirements 256 4.5.4.3 Modelling 257 4.5.4.4 Avoiding or Curing Rising.


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