Natural Gas Installations and Networks in Buildings

ISBN-13: 9780367536725 / Angielski / Twarda / 2020 / 262 str.

Alexander V. Dimitrov

Opis

This book covers theoretical foundations of the Natural Gas (NG) installations and networks illustrated with digital examples. It describes the NG oxidation phenomena and appropriate energy converting devices, usage of NG devices for various building systems including systems for thermal comfort control, building ventilation and so forth.

Spis treści

1. Introduction
1.1 Gas pipe networks and systems as elements of the building logistics
1.2 Fuel gas, current state and perspectives

2. Theoretical foundations of gas pipe networks and installations
2.1 Physico-mechanical properties of fuel gas as a primary energy source.   
2.2 Transmission parameters of fuel gas
2.3 Basic terms and laws
2.3.1 Gas flow rate and thermal power. A link between gas flow rate and decrease of gas-dynamic losses – Kirchhoff’s law for gas pipe networks
2.3.2 Law of continuity
2.3.3 Law of balance between intake flow rate and exhaust flow rate at a knot    
2.3.4 Bernoulli’s principle (for real fluids)   
2.3.5 Law of the gas-dynamic head in a pipe   
2.3.6 Darcy’s law (concerning gas-dynamic losses of pressure  in linear pipeline sections)    
2.3.7 Calculation of the parameters of natural gas - examples   
2.4 Fuel gas thermodynamics
2.4.1 Law of gas state
2.4.2 Charle’s law
2.4.3 Boyles law
2.4.3 Graham’s law for gas diffusion
2.5 Fuel gas combustion
2.5.1 Fuel cell classification and characteristics. Advantages and disadvantages
2.5.2 Fuel gas cells in household micro-cogeneration systems (mHPS)
2.5.3 Technical characteristics of mHPS
2.6 Gas flame and combustion devices
2.7 Flameless combustion of fuel gas and combustion devices

3. Gas supply of urbanized regions
3.1 Territorial (state) pipe network of gas transport
3.2 Urban and regional gas networks. Classification. Structure
3.3 Decentralization of building power supply.  Energy centers
3.3.1 Gas supply of buildings. Types of gas-supplied energy centers (GEC) of buildings. Classification
3.3.2 Structure of the gas regulating station in a gas EC
3.3.3 Gas boiler / mHPS room
3.4 Systems exhausting gas waste
3.4.1 Open system exhausting gas combustion products via natural convection
3.4.2 Open systems with forced convection
3.4.3 Centralized systems exhausting gas combustion products by means of forced convection
3.4.4 Releasing devices (terminals) installed on the building envelope
3.5 Design of a pipe network
3.5.1 Structure of gas pipe networks in residential and public buildings
3.5.2 Calculation of pipe networks

4. Main building systems operating with fuel gas
4.1 System for thermal comfort control
4.1.1 Need for thermal comfort and accessible levels of thermal loads of occupied areas
4.1.2 Classification of systems providing thermal comfort
4.1.3 Advantages and disadvantages of gas radiant heating installations
4.2 Gas equipment and control of indoor air quality
4.2.1 Indoor air quality and methods of its attainment
4.2.2 Building ventilation and indoor air quality (IAQ)
4.2.3 Gas equipment and building ventilation
4.3 System for visual comfort and gas equipment
4.3.1 Visual comfort in buildings
4.3.2 Visual comfort gas lighting fixtures
4.3.3 Design steps in the calculation of a visual control system
4.4 Gas equipment in a system for food preparation and conservation
4.4.1 System for food preparation and conservation
4.4.2 Household kitchens and gas appliances
4.4.3 Commercial kitchen arrangement
4.5 Hygiene maintenance systems
4.5.1 Structure of a hygiene maintenance system. A domestic hot water system
4.5.2 Gas water heaters of a hygiene maintenance system
4.5.3 Combined schemes of water heating in systems for hygiene maintenance
4.5.4 Gas dryers in systems for hygiene maintenance
4.5.5 Calculation of hygiene maintenance systems
4.6 Gas heat pumps in engineering installations of buildings
4.6.1 Heat pumps operating as increasing thermal transformers. Classification
4.6.2 Gas vapor-compression heat pumps
4.6.3 Operation of a gas heat pump
4.6.4 Heat pumps driven by NG and available on the market- an investment point of view
4.7 Necessity of increasing the share of gas devices in a building
4.7.1 Gas micro-cogenerating systems in domestic autonomous energy centers
4.7.2 Importance of gas micro-cogenerating systems for national energy strategy

5. Conclusions and Acknowledgement

6. Appendix

7. References