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Energy audits : a workbook for energy management in buildings /
"Energy efficiency is today a crucial topic in the built environment - for both designers and managers of buildings. This increased interest is driven by a combination of new regulations and directives within the EU and worldwide to combat global warming. All buildings now must now acquire and...
| Call Number: | Libro Electrónico |
|---|---|
| Main Author: | |
| Format: | Electronic eBook |
| Language: | Inglés |
| Published: |
Chichester, West Sussex, UK ; Ames, Iowa :
Wiley-Blackwell,
2011.
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| Subjects: | |
| Online Access: | Texto completo |
Table of Contents:
- Energy Audits: A Workbook for Energy Management in Buildings; Contents; Preface; Acknowledgements; Dimensions and Units; List of Figures; List of Tables; 1 Energy and the Environment; 1.1 Introduction; 1.2 Forms of energy; 1.2.1 Mechanical energy; 1.2.2 Electrical energy; 1.2.3 Chemical energy; 1.2.4 Nuclear energy; 1.2.5 Thermal energy; 1.3 Energy conversion; 1.4 The burning question; 1.4.1 Combustion of coal; 1.4.2 Combustion of oil; 1.4.3 Combustion of natural gas; 1.5 Environmental impact from fossil fuels; 1.6 Energy worldwide; 1.7 Energy and the future; 1.7.1 The dream scenario.
- 1.7.2 The renewable scenario1.8 Worked examples; 1.9 Tutorial problems; 1.10 Case Study: Future energy for the world; 2 Energy Audits for Buildings; 2.1 The need for an energy audit; 2.2 The energy benchmarking method; 2.2.1 Benchmarking step by step; 2.2.2 How savings can be achieved; 2.3 The degree-days concept; 2.3.1 Regression of degree-day and energy consumption data; 2.4 Energy Performance Certificates; 2.5 Worked examples; 2.6 Tutorial problems; 3 Building Fabric's Heat Loss; 3.1 Modes of heat transfer; 3.2 Fourier's law of thermal conduction; 3.2.1 Conduction through a planar wall.
- 3.2.2 Radial conduction through a pipe wall3.3 Heat transfer by convection; 3.3.1 Convective heat transfer: experimental correlations; 3.3.2 Free convection; 3.3.3 Forced convection; 3.4 Heat transfer through a composite wall separating two fluids; 3.5 Heat exchange through a tube with convection on both sides; 3.6 A composite tube with fluid on the inner and outer surfaces; 3.7 Heat transfer by radiation; 3.8 Building fabric's heat load calculations; 3.9 Energy efficiency and the environment; 3.9.1 Space heating; 3.9.2 Insulation standards; 3.9.3 The economics of heating.
- 3.10 Worked examples3.11 Tutorial problems; 4 Ventilation; 4.1 Aims of ventilation; 4.2 Air quality; 4.2.1 Minimum fresh air requirements; 4.2.2 Composition of respired air; 4.3 Ventilation methods; 4.3.1 Natural ventilation; 4.3.2 Mechanical or forced ventilation; 4.4 Ventilation flow calculations; 4.4.1 Volume flow calculations; 4.4.2 Ventilation heat load calculations; 4.4.3 Ventilation calculations based on CO2 build-up; 4.5 Fans; 4.5.1 Fan laws; 4.5.2 Selection of fans; 4.5.3 Calculation of ventilation fan duty; 4.5.4 Pressure drop calculation.
- 4.5.5 Energy efficiency in ventilation systems4.6 Worked examples; 4.7 Tutorial problems; 4.8 Case Study: The National Trust's ventilation system; 5 Heat Gains in Buildings; 5.1 Introduction; 5.2 Lighting; 5.2.1 Lighting criteria; 5.2.2 Lighting terminology; 5.2.3 Measurement of light intensity; 5.2.4 Types of lamp; 5.3 Energy-saving measures for lighting; 5.4 Casual heat gains from appliances; 5.5 Occupants' heat gains; 5.6 Worked examples; 5.7 Tutorial problems; 5.8 Case Study: Calculation of heating load for a building
- options; 6 Thermal Comfort; 6.1 Thermal comfort in human beings.