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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Chapter 5 extends the launch safety analysis to toxic and distant focusing overpressure hazards. A major section of this chapter is devoted to each of these hazards. Rocket motor propellants and their combustion products may pose toxic hazards in the extended launch vicinity. Moreover, accidental explosions on or near a launch pad may, with adverse atmospheric conditions, cause explosive shock waves to break windows at distant population centers potentially threatening their occupants. Currently, liquid propellants may be hazardous; however, their combustion products are not. Solid propellants, by contrast, do not directly pose a toxic hazard; their combustion products are, however, frequently hazardous. The chapter introduces the reader to each of the hazards, characterizing the source term, factors governing the propagation of the hazards to people, and guidelines for evaluating the severity of the hazardous conditions that may exist at population centers. Comprehensive modeling of these two hazards is complex. Consequently, for each hazard one or more screening methodologies is presented to allow scoping studies to be performed to assess if there is a need for more comprehensive modeling. Each section then presents a comprehensive discussion of the analysis of the threat and the risk posed by the two hazards so that the reader understands how the complete analyses must be performed.
Endorsed by the International Association for the Advancement of Space Safety (IAASS) and drawing on the expertise of the world's leading experts in the field, Safety Design for Space Operations provides the practical how-to guidance and knowledge base needed to facilitate effective launch-site and operations safety in line with current regulations. With information on space operations safety design currently disparate and difficult to find in one place, this unique reference brings together essential material on: - Best design practices relating to space operations, such as the design of spaceport facilities. - Advanced analysis methods, such as those used to calculate launch and re-entry debris fall-out risk. - Implementation of safe operation procedures, such as on-orbit space traffic management. - Safety considerations relating to the general public and the environment in addition to personnel and asset protection. Taking in launch operations safety relating unmanned missions, such as the launch of probes and commercial satellites, as well as manned missions, Safety Design for Space Operations provides a comprehensive reference for engineers and technical managers within aerospace and high technology companies, space agencies, spaceport operators, satellite operators and consulting firms. - Fully endorsed by the International Association for the Advancement of Space Safety (IAASS), with contributions from leading experts at NASA, the European Space Agency (EASA) and the US Federal Aviation Administration (FAA), amongst others - Covers all aspects of space operations relating to safety of the general public, as well as the protection of valuable assets and the environment - Focuses on launch operations safety relating to manned and unmanned missions, such as the launch of probes and commercial satellites
FRANCIS W. HOLM 30 Agua Sarca Road, Placitas, New Mexico 1. Overview The North Atlantic Treaty Organization (NATO) sponsored an Advanced Research in Prague, Czech Republic, on October 13-15, 1997, to collect and Workshop (ARW) study information on effluents from alternative demilitarization technologies and to report on these fmdings. The effluents, orprocess residues, identified for assessment at the workshop are generated by systems that have been proposed as alternatives to incineration technology for destruction of munitions, chemical warfare agent, and associated materials and debris. The alternative technologies analyzed are grouped into three categories based on process bulk operating temperature: low (0-200 C), medium (200-600 C), and high (600-3,500 C). Reaction types considered include hydrolysis, biodegradation, electrochemical oxidation, gas-phase high-temperature reduction, steam reforming, gasification, sulfur reactions, solvated electron chemistry, sodium reactions, supercritical water oxidation, wet air oxidation, and plasma torch technology. These ofprocesses, some of which have been studied categories represent a broad spectrum only in the laboratory and some of which are in commercial use for destruction of hazardous and toxic wastes. Some technologies have been developed and used for specific commercial applications; however, in all cases, research, development, test, and evaluation (RDT&E) is necessary to assure that each technology application is effective for destroying chemical warfare materiel. Table 1 contains a list of more than 40 technologies from a recent report for the U.S. Army [1]. Many ofthe technologies in Table 1 are based on similar principles.