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.
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 Rotordynamics is teeming with rich technical detail and real-world examples geared toward the study of machine vibration. A logical progression of information covers essential fundamentals, in-depth case studies, and the latest analytical tools used for predicting and preventing damage in rotating machinery. Machinery Vibration and Rotordynamics: Combines rotordynamics with the applications of machinery vibration in a single volume Includes case studies of vibration problems in several different types of machines as well as computer simulation models used in industry Contains fundamental physical phenomena, mathematical and computational aspects, practical hardware considerations, troubleshooting, and instrumentation and measurement techniques For students interested in entering this highly specialized field of study, as well as professionals seeking to expand their knowledge base, Machinery Vibration and Rotordynamics will serve as the one book they will come to rely upon consistently.
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.
Distributed by the University of Nebraska Press for Caxton Press The giant redwood trees are one of California’s best known attractions. Thousands of tourists visit the Northern California groves each year. The story of the California redwood lumber industry also tells the stories of the men, the trains, and the land. This book is dedicated to the pioneer lumbermen who succeeded in launching careers as mill men by overcoming the tremendous obstacle of moving the giant redwoods from the woods to the mill, by inventing equipment strong enough to handle the gigantic logs, and by finding suitable markets for their lumber throughout the Pacific area; and to Augustus William Ericson and the other early photographers who preserved the early history of logging in pictures.
At a time when our colleges and universities face momentous questions of new growth and direction, the republication of Higher Education in Transition is more timely than ever. Beginning with colonial times, the authors trace the development of our college and university system chronologically, in terms of men and institutions. They bring into focus such major areas of concern as curriculum, administration, academic freedom, and student life. They tell their story with a sharp eye for the human values at stake and the issues that will be with us in the future.One gets a sense not only of temporal sequence by centuries and decades but also of unity and continuity by a review of major themes and topics. Rudy's new chapters update developments in higher education during the last twenty years. Higher Education in Transition continues to have significance not only for those who work in higher education, but for everyone interested in American ideas, traditions, and social and intellectual history.
Following the passage of the Confederate Ordinance of Secession in April 1861, pro-Union Virginians met in Wheeling and began the process that would lead to the formation of West Virginia as a separate state. Despite the new state's allegiance to the North, the population of West Virginia remained divided in its loyalties, as author John W. Shaffer has described in his other book, "Barbour County, A Clash of Loyalties: A Border County in the Civil War." In his latest effort, "Union and Confederate Soldiers and Sympathizers," Mr. Shaffer enumerates over 1,000 individuals who comprised the fractious community of Barbour County. Using official military records, the 1860 U.S. federal census, and a variety of other primary and secondary sources, the author lists 718 Union and 528 Confederate soldiers and sympathizers from Barbour County. These individuals are arranged by army and thereunder alphabetically. For each we learn the military unit (except for sympathizers), dates of service, duties, date of birth, names of parents, postwar occupation and other activities, and date of death. Mr. Shaffer's Introduction describes the background of the Civil War in Barbour County, while the Appendices specify the Union and Confederate units and military engagements in which Barbour citizens fought.
On March 31, 1943, the musical Oklahoma! premiered and the modern era of the Broadway musical was born. Since that time, the theatres of Broadway have staged hundreds of musicals--some more noteworthy than others, but all in their own way a part of American theatre history. With more than 750 entries, this comprehensive reference work provides information on every musical produced on Broadway since Oklahoma's 1943 debut. Each entry begins with a brief synopsis of the show, followed by a three-part history: first, the pre-Broadway story of the show, including out-of-town try-outs and Broadway previews; next, the Broadway run itself, with dates, theatres, and cast and crew, including replacements, chorus and understudies, songs, gossip, and notes on reviews and awards; and finally, post-Broadway information with a detailed list of later notable productions, along with important reviews and awards.
Sugar Valley was named for the many large sugar maple trees found in the area when settlers first arrived in the 1780s. In the 1800s, most of the valley's residents worked as farmers, millers, or lumbermen. In the early 1900s, the White Deer and Loganton Railway transported lumber, mail, coal, other freight, and passengers. The Logan House, a popular resort hotel in Loganton featuring nearby Sulphur Spring mineral waters, flourished until the great fire of June 19, 1918, destroyed it, along with much of the borough. Today Sugar Valley contains the only covered bridge remaining in Clinton County.
Reprint of the original. The publishing house Anatiposi publishes historical books as reprints. Due to their age, these books may have missing pages or inferior quality. Our aim is to preserve these books and make them available to the public so that they do not get lost.
Fan-favorite creators Kurt Busiek and George Pérez usher in a new era for Earth's Mightiest Heroes! Since the team's inception, the Avengers have always defended humanity against the forces of evil. When duty calls, these legendary champions answer, fighting valiantly until justice prevails. But what happens when their oldest foes strike directly at the team? On the eve of a huge Avengers gathering, an attack by the evil enchantress Morgan Le Fay sends these assembled heroes into a strange medieval reality where nothing is as it seems. Held under Le Fay's thrall, the Avengers have lost all memory of their true identities. Breaking free of Morgan's spell, Captain America and Hawkeye must fight to free their teammates before the Marvel Universe is altered forever! Plus: The Avengers take on the Squadron Supreme! Collects Avengers (1998) #1-11.
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