Hydrogen Safety highlights physiological, physical, and chemical hazards associated with hydrogen production, storage, distribution, and use systems. It also examines potential accident scenarios that could occur with hydrogen use under certain conditions. The number of potential applications for hydrogen continues to grow—from cooling power station generators to widespread commercial use in hydrogen fuel-cell vehicles and other fuel-cell applications. However, this volatile substance poses unique challenges, including easy leakage, low ignition energy, a wide range of combustible fuel-air mixtures, buoyancy, and its ability to embrittle metals that are required to ensure safe operation. Focused on providing a balanced view of hydrogen safety—one that integrates principles from physical sciences, engineering, management, and social sciences—this book is organized to address questions associated with the hazards of hydrogen and the ensuing risk associated with its industrial and public use. What are the properties of hydrogen that can render it a hazardous substance? How have these hazards historically resulted in undesired incidents? How might these hazards arise in the storage of hydrogen and with its use in vehicular transportation? The authors address issues of inherently safer design, safety management systems, and safety culture. They highlight hydrogen storage facilities —which pose greater hazards because of the increased quantities stored and handled—and the dangers of using hydrogen as a fuel for transport. Presented experiments are included to verify computer simulations with the aid of computational fluid dynamics (CFD) of both gaseous and liquefied hydrogen. The book also provides an overview of the European Commission (EC) Network of Excellence for Hydrogen Safety (HySafe) and presents various case studies associated with hydrogen and constructional materials. It concludes with a brief look at future research requirements and current legal requirements for hydrogen safety.

to the German Edition This book is based on published material, oral presentations and lecture courses, as well as the author's personal research in the specific field of space technology and in the general areas of energy storage and transfer, and cryogenics. The science and technology of liquid hydrogen-once essential prere quisites for the rapid development of space technology-are now also proving to be more and more important for the energy production of the future. Hydrogen as an energy carrier can generally mediate the existing disparity between nuclear energy and regenerative energy, both of which are indispensable for the future. Hydrogen, as a secondary energy carrier, can be produced from these primary energy sources with minimal environmental impact and without the detrimental, long-term pollution effects of current fossil fuel technology. Hydrogen, therefore, represents the ultimate in energy technology. The initial, large-scale application of hydrogen as a secondary energy was as a high-energy rocket propellant. The procedures for its large scale liquefaction, storage and employment were generally developed in the U.S. Currently in Europe similar activities are being conducted only in France. The effort in West Germany involves testing hydrogen-oxygen and hydrogen-fluorine rocket engines, studying also the physical and technical characteristics of slush hydrogen-mixture of the solid and liquid phase-and is concentrating currently on R&D applications of liquid hydrogen as an alternate fuel. Similar activities are also being conducted in Japan and Canada.

Technology and Uses of Liquid Hydrogen deals with the technological aspects and applications of liquid hydrogen. Topics covered include the process of producing hydrogen gas for liquefaction; thermal insulation, storage, transportation, and transfer of liquid hydrogen; liquid hydrogen engines and bubble chambers; and safety in the use of liquid hydrogen. The uses of liquid hydrogen for the production of cold neutrons inside a nuclear reactor are also discussed. This book is comprised of 11 chapters and begins with a little background, history, and statistics on the technology and uses of liquid hydrogen, followed by a review of commercially feasible processes for the production of of liquid hydrogen. The reader is then introduced to the basic principles of the liquefaction of hydrogen; hydrogen liquefiers of moderate size; the use of liquid hydrogen as a coolant/propellant for nuclear rockets; and separation of deuterium by the large-scale distillation of liquid hydrogen. Subsequent chapters explore liquid hydrogen engines and bubble chambers; safety considerations in the use of liquid hydrogen; and properties of normal and para-hydrogen. This monograph will be of interest to chemists.

Cryogenics Safety Manual: A Guide to Good Practice, Third Edition promotes the safe application and development of low temperature engineering. The book also details the hazards involved in the operation, handling, and development of cryogenic devices. The text is divided into five chapters. Chapter 1 describes the health precautions and legislations involved in the field. Chapter 2 tackles the specific hazards and safety measures in handling and maintaining air separation plants. Chapter 3 discusses the precautions to be observed in the different procedures concerning natural gas, ethylene, and methane. Chapter 4 covers the proper safety measures and maintenance of plants and equipment designed to handle liquid and gas states of hydrogen at low temperatures, and Chapter 5 talks about the special precautions in handling helium, neon, krypton, and xenon. Chemists, physicists, engineers, and safety personnel involved in the field of cryogenics would benefit from this helpful guide.