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Rotordynamics of Turbomachinery
Describes the rotordynamic considerations that are important to the successful design or troubleshooting of a turbomachine. Shows how bearing design, fluid seals, and rotor geometry affect rotordynamic behavior (vibration, shaft whirling, bearing loads, and critical speeds), and describes two successful computational methods for rotordynamic analysis in terms that can be understood by practicing engineers. Gives descriptive accounts of the state of the art in several areas of the field and presents important mathematical or computational concepts, describing equations and formulas in physical terms for better understanding. Also offers tips for troubleshooting unstable machines and provides practical interpretations of vibration measurements.
Machinery Vibration and Rotordynamics
An in-depth analysis of machine vibration in rotating machinery Whether it's a compressor on an offshore platform, a turbocharger in a truck or automobile, or a turbine in a jet airplane, rotating machinery is the driving force behind almost anything that produces or uses energy. Counted on daily to perform any number of vital societal tasks, turbomachinery uses high rotational speeds to produce amazing amounts of power efficiently. The key to increasing its longevity, efficiency, and reliability lies in the examination of rotor vibration and bearing dynamics, a field called rotordynamics. A valuable textbook for beginners as well as a handy reference for experts, Machinery Vibration and Rot...
An Army Doctor on the Western Frontier
Assigned to the District of Utah during the Civil War, physician John Vance Lauderdale spent the next twenty-five years on army posts in the American West, serving in California, Arizona, New Mexico, South Dakota, and Texas. Throughout his career he kept a detailed journal and sent long letters home to his sister in upstate New York. This selection of Lauderdale’s writings, edited and annotated by a premier historian of the American West, offers an insightful account of army life that will teach readers much about the settlement and growth of the West in a time of rapid change. Lauderdale’s observations are keen and critical. He writes about fellow officers, his army superiors, the civilians and American Indians he encountered, life on officers’ row, and the day-to-day functioning of the army medical service. Particularly valuable are his insights into military interactions with local communities of Mormons, American Indians, and Hispanos.
A History of Monroe County, West Virginia
This volume contains both a sourcebook of genealogical data and a group-family record, with slightly greater detail marshaled in the sourcebook section. A significant portion of the work, nevertheless, is devoted to the general history of the county, explaining, in the customary manner, when, how, and why the county was settled and tracing the various phases of its development. The group-family portion of the book, occupying a full third of the text, carries the lines of descent far enough down to enable the present generation to recognize relationships. An abundance of available data, coupled with the desire to set forth the family histories of as many county residents as possible, compelled the author to employ a compact form of narrative. This ""skeletal"" history, embracing all vital and ascertainable facts, has the virtue of precluding biographical embellishments, and at once puts before the researcher all that he needs to know of several hundred families and many thousands of related individuals. All families discussed in this section are indexed alphabetically for easy reference. The remainder of the book is comprised of genealogical source materials
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