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On a cold January morning in 1986, NASA launched the Space Shuttle Challenger, despite warnings against doing so by many individuals, including Allan McDonald. The fiery destruction of Challenger on live television moments after launch remains an indelible image in the nation’s collective memory. In Truth, Lies, and O-Rings, McDonald, a skilled engineer and executive, relives the tragedy from where he stood at Launch Control Center. As he fought to draw attention to the real reasons behind the disaster, he was the only one targeted for retribution by both NASA and his employer, Morton Thiokol, Inc., makers of the shuttle's solid rocket boosters. In this whistle-blowing yet rigorous and fai...
“A sweeping look at the history of voting rights in the U.S.”—Vox Who has the right to vote? And who benefits from exclusion? For most of American history, the right to vote has been a privilege restricted by wealth, sex, race, and literacy. Economic qualifications were finally eliminated in the nineteenth century, but the ideal of a white man’s republic persisted long after that. Women and racial minorities had to fight hard and creatively to secure their voice, but voter identification laws, registration requirements, and voter purges continue to prevent millions of American citizens from voting. An award-winning historian and voting right activist, Allan Lichtman gives us the hist...
The Regenerator and the Stirling Engine examines the basic scientific and engineering principles of the Regenerator and the Stirling engine. Drawing upon his own research and collaboration with engine developers, Allan J Organ offers solutions to many of the problems which have prevented these engines operating at the levels of efficiency of which they are theoretically capable. The Regenerator and the Stirling Engine offers practising engineers and designers specific guidelines for building in optimum thermodynamic performance at the design stage. COMPLETE CONTENTS: Bridging the gap The Stirling cycle Heat transfer – and the price Similarity and scaling; Energetic similarity In support of similarity Hausen revised Connectivity and thermal shorting Real particle trajectories – natural co-ordinates The Stirling regenerator The Ritz rotary regenerator Compressibility effects Regenerator flow impedance Complex admittance – experimental corroboration Steady-flow Cf–Nre correlations inferred from linear-wave analysis Optimization Part I: without the computer Optimization Part II: cyclic steady state Elements of combustion Design study Hobbyhorse Origins Appendices
This 1992 book provides a coherent and comprehensive treatment of the thermodynamics and gas dynamics of the practical Stirling cycle. Invented in 1816, the Stirling engine is the subject of worldwide research and development on account of unique qualities - silence, indifference to heat source, low level of emissions when burning conventional fuels and an ability to function in reverse as heat pump or refrigerator. The student of engineering will discover an instructure and illuminating case study revealing the interactions of basic disciplines. The researcher will find the groundwork prepared for various types of computer simulation, Those involved in the use and teaching of solution methods for unsteady gas dynamics problems will find a comprehensive treatment on nonlinear and linear wave approaches, for the Stirling machine provides an elegant example of the application of each. The book will be of use to all those involved in researching, designing or manufacturing Stirling prime movers, coolers and related regenerative thermal machines.
This volume comprises the select proceedings of the annual convention of the Computer Society of India. Divided into 10 topical volumes, the proceedings present papers on state-of-the-art research, surveys, and succinct reviews. The volumes cover diverse topics ranging from communications networks to big data analytics, and from system architecture to cyber security. This volume focuses on Speech and Language Processing for Human-Machine Communications. The contents of this book will be useful to researchers and students alike.
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Bringing contributions by a variety of authors together in one volume is part of an attempt to show that hydropolitics is a growing discipline in its own right. The prevailing definition of hydropolitics is widened to include the elements of scale and range. This is illustrated through a focus on theoretical and legal issues, case studies from Southern Africa and a proposed research agenda. The book is an important addition to the literature on hydropolitics.
A Harvard-educated neurosurgeon reveals his experiences—in and out of the operating room—with apparitions, angels, exorcism, after-death survival, and the miracle of hope. For the millions who have enjoyed Proof of Heaven, Heaven is Real, To Heaven and Back, and Getting to Heaven—an inspiring tale from where the veil between life and death is often at its thinnest. The Scalpel and the Soul explores how premonition, superstition, hope, and faith not only become factors in how patients feel but can change outcomes. It validates the spiritual manifestations physicians see every day and empowers patients to voice their spiritual needs when they seek medical help. Finally, it addresses the mysterious, attractive powers the soul exerts during life-threatening events.
The aim of the volume is to bring together the latest research on the importance of bishops’ palaces for social and political history, landscape history, architectural history and archaeology. It is structured in three sections: design and function, landscape and urban context, and architectural form and includes contributions from the late Antique period through to the eighteenth and nineteenth centuries, considering bishops’ residences in England, Scotland, Wales, the Byzantine Empire, France, and Italy.