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Renamed to reflect the increased role of digital electronics in modern flight control systems, Cary Spitzer's industry-standard Digital Avionics Handbook, Second Edition is available in two comprehensive volumes designed to provide focused coverage for specialists working in different areas of avionics development. The first installment, Avionics: Elements, Software, and Functions covers the building blocks and enabling technologies behind modern avionics systems. It discusses data buses, displays, human factors, standards, and flight systems in detail and includes new chapters on the Time-Triggered Protocol (TTP), ARINC specification 653, communications, and vehicle health management systems.
This book provides an overview of the federal role in surface transportation and the goals and structures of federal programs. Since federal financing for the interstate system was established in 1956, the federal role in surface transportation has expanded to include broader goals, more programs, and a variety of program structures. The nation has reached a critical juncture with its current surface transportation policies and programs. Demand has outpaced the capacity of the system, resulting in increased congestion. In addition, without significant changes in funding levels or planned spending, the Highway Trust Fund -- the major source of federal highway and transit funding - is projected to incur significant deficits in the years ahead. Exacerbating concerns about the solvency of the Highway Trust Fund is the federal government's bleak fiscal condition and outlook. As a result, other federal revenue sources may not be available to help solve the nation's current transportation challenges. Given the scope of needed transformation, it may be necessary to shift policies and programs incrementally or on a pilot basis to gain practical lessons for a coherent, sustainable, and effective national program and financing structure to best serve the nation for the 21st century.
Personnel representing several NASA field centers have formulated a "Reference Mission" addressing human exploration of Mars. Summarizes their work and describes a plan for the first human missions to Mars, using approaches that are technically feasible, have reasonable risks, and have relatively low costs. The architecture for the Mars Reference Mission builds on previous work of the Synthesis Group (1991) and Zubrin's (1991) concepts for the use of propellants derived from the Martian Atmosphere. In defining the Reference Mission, choices have been made. The rationale for each choice is documented; however, unanticipated technology advances or political decisions might change the choices in the future.
Sustainable Mega City Communities scrutinizes the challenges encountered when designing, planning and constructing sustainable megacities. Chapters explain the role of national and local governments for the strategic planning, development, implementation, monitoring and enforcement of standards of water, air, food and products used by the community. Other chapters cover Water Delivery Systems, Sanitation and Waste Disposal Systems, Power Systems, and Public Health Systems, new green technologies, practices, and standards predicated by the need for sustainable office building and housing. - Provides an in-depth look at critical infrastructural systems, charting problems and providing possible solutions - Addresses new green technologies, practices and standards predicated by the need for sustainable office building and housing - Explains the role of national and local governments for strategic planning, development, implementation, monitoring and enforcement

Natural Gas Drilling

United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Water and Wildlife

Published: 2014

Total Pages: 446


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For thousands of years, the underground has provided humans refuge, useful resources, physical support for surface structures, and a place for spiritual or artistic expression. More recently, many urban services have been placed underground. Over this time, humans have rarely considered how underground space can contribute to or be engineered to maximize its contribution to the sustainability of society. As human activities begin to change the planet and population struggle to maintain satisfactory standards of living, placing new infrastructure and related facilities underground may be the most successful way to encourage or support the redirection of urban development into sustainable patterns. Well maintained, resilient, and adequately performing underground infrastructure, therefore, becomes an essential part of sustainability, but much remains to be learned about improving the sustainability of underground infrastructure itself. At the request of the National Science Foundation (NSF), the National Research Council (NRC) conducted a study to consider sustainable underground development in the urban environment, to identify research needed to maximize opportunities for using underground space, and to enhance understanding among the public and technical communities of the role of underground engineering in urban sustainability. Underground Engineering for Sustainable Urban Development explains the findings of researchers and practitioners with expertise in geotechnical engineering, underground design and construction, trenchless technologies, risk assessment, visualization techniques for geotechnical applications, sustainable infrastructure development, life cycle assessment, infrastructure policy and planning, and fire prevention, safety and ventilation in the underground. This report is intended to inform a future research track and will be of interest to a broad audience including those in the private and public sectors engaged in urban and facility planning and design, underground construction, and safety and security.
This book presents the select proceedings of the International Conference on Advances in Construction Technology and Management (ACTM 2021) and explores recent and innovative developments in all aspects of civil engineering. Advanced construction technologies such as 3D printing, intelligently built environment, use of artificial intelligence, smart structures, green buildings, advanced and engineered materials for producing green concrete, and many more such topics are covered in this book. The advanced management tools such as building information modeling, augmented reality, advanced task management software, and one of the most recent technological advancements are drones, which are changing the face of surveying and security are also explored. This book will be useful for researchers, academicians, and practitioners working in the area of civil engineering and allied fields.