1st Edition

Natural Gas Installations and Networks in Buildings

  • Available for pre-order. Item will ship after December 15, 2020
ISBN 9780367536725
December 15, 2020 Forthcoming by CRC Press
296 Pages 137 B/W Illustrations

USD $130.00

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Book Description

This book covers theoretical foundations of the Natural Gas (NG) installations and networks as a part of building logistic system, illustrated with digital examples. It describes the NG oxidation phenomena and appropriate energy converting devices used in the building’s energy centres and basic sizing principals of the related pipe networks. Further, it covers usage of NG devices including system for thermal comfort control, building ventilation, indoor air quality, visual comfort, food preparation and conservation, and hygiene maintenance system. A special attention is given to applications of the NG technological equipment, using gas-driven heat pumps, micro heat and power systems. Aimed at professionals and graduate students in the areas of HVAC, Plumbing, Architecture, Electricians, this book:

  • Presents complex, innovative and systematical approach to NG installations in buildings.
  • Reviews efficient and environmentally sustainable dementalization approach to building energy supply, using NGmHps v/s central energy supply systems.
  • Explains pre-designating calculations of the gas piping networks.
  • Illustrates structures, principals of operation and building project implementations of the modern GN energy converters and transformers as fuel cells (SOFC, MOFC, PEFC) and NG driven heat pumps.
  • Discusses calculation methods derived from professional case studies.

Table of Contents

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

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Alexander Dimitrov is a professional lecturer with 35 years of experience at four different universities. In addition to universities in Bulgaria, Dr. Dimitrov has lectured and studied at leading scientific laboratories and institutes in other countries, including the Institute of Mass and Heat exchange ”Likijov”, Byelorussian Academy of Sciences, Minsk; Lawrence Berkeley National Laboratory, Environmental Energy Technology Division, Indoor Environment Department; UNLV –ollege of Engineering, Center for Energy Research; Stanford University, California, Mechanical Department. Professor Dimitrov has conducted systematic research in energy efficiency, computer simulations of energy consumption in buildings, the distribution of air flow in an occupied space, modeling of heat transfer in building envelope, and leaks in the ducts of HVAC systems. Professor Dimitrov has defended two scientific degrees: Doctor of Philosophy (in 1980 - Ph.D.) and Doctor of Science (in 2012 - D.Sc.). With significant audit experience in the energy systems of buildings and their subsystems, he has developed an original method for evaluating the performance of the building envelope and energy labeling of buildings. He also has experience in the assessment of energy transfer through building envelope and ducts of HVAC systems. Professor Dimitrov's methodology has been applied in several projects with great success. He has developed a mathematical model for assessment of the environmental sustainability of buildings, named BG_LEED. He earned his Professor Degree in “Engineering Installations in the Buildings” with the dissertation “The building energy systems in the conditions of environmental sustainability” at European Polytechnical University in 2012. Subsequently, he has authored more than 100 scientific articles and 9 books, including 4 in English.