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Voltages Induced on a Test Power Line From Artifically Initiated Lightening, Rubinstein Marcos


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Автор: Rubinstein Marcos
Название:  Voltages Induced on a Test Power Line From Artifically Initiated Lightening
ISBN: 9780530005003
Издательство: Dissertation Discovery Company
Классификация:
ISBN-10: 053000500X
Обложка/Формат: Paperback
Страницы: 300
Вес: 0.70 кг.
Дата издания: 31.05.2019
Язык: English
Размер: 280 x 216 x 16
Читательская аудитория: General (us: trade)
Подзаголовок: Theory and experiment
Рейтинг:
Поставляется из: США
Описание: Abstract:

Measurements are presented and characterized of vertical electric fields 500 m from artificially initiated lightning return strokes and of voltages induced at both ends of a 448 m distribution power line by the same discharges, which are about 20 m from one end of the line. The experiment, which took place during the summer of 1986 at the NASA Kennedy Space Center, is described. The measured line voltages could be grouped into two categories, those in which multiple, similarly shaped, evenly spaced pulses were observed, which we call oscillatory, and those dominated by a principal pulse with subsidiary oscillations of much smaller amplitude, which we call impulsive. Voltage amplitudes range from tens of kilovolts for oscillatory voltages to hundreds of kilovolts for impulsive voltages. Contrary to what was expected, the voltage at the transmission line and farther from the lightning was found to be considerably larger than the voltage at the end nearer to the lightning. A new technique is derived for the calculation of the electromagnetic fields from nearby lightning over an imperfectly conducting ground. This technique is used in conjunction with a time domain coupling theory to calculate voltages at either end of the line. The results show fair agreement with the measured oscillatory voltage waveforms if corona is ignored and improved results when corona effects are modeled. Reasonable wave shape agreement is obtained for voltages of the impulsive type when these are modeled by the introduction of non-linear flashover effects, although unrealistically high return stroke currents are required to obtain good amplitude agreement. Suggestion for future experiments are given in the light of the present experience in measuring electric fields and their associated voltages from very close lightning.

Dissertation Discovery Company and University of Florida are dedicated to making scholarly works more discoverable and accessible throughout the world. This dissertation, Voltages Induced on a Test Power Line From Artifically Initiated Lightening by Marcos Rubinstein, was obtained from University of Florida and is being sold with permission from the author. A digital copy of this work may also be found in the universitys institutional repository, IR@UF. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation.



Framed Perspective Vol. 2: Technical Drawing for Shadows, Volume, and Characters

Автор: Mateu-Mestre Marcos
Название: Framed Perspective Vol. 2: Technical Drawing for Shadows, Volume, and Characters
ISBN: 1624650325 ISBN-13(EAN): 9781624650321
Издательство: Неизвестно
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Цена: 3855.00 р.
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Описание: From Emily Calandrellihost of Xploration Outer Space, correspondent on Bill Nye Saves the World, and graduate of MITcomes the first novel in a brand-new chapter book series about an eight-year-old girl with a knack for science, math, and solving mysteries with technology.

Ada Lacethird-grade scientist and inventor extraordinairehas discovered something awful: her neighbor's beloved Yorkie has been dognapped!

With the assistance of a quirky neighbor named Nina (who is convinced an alien took the doggie) and her ever-growing collection of gadgets, Ada sets out to find the wrongdoer. As their investigation becomes more and more mysterious, Ada and Nina grow closer, proving that opposites do, in fact, attract.

Framed Ink: Drawing and Composition for Visual Storytellers

Автор: Mateu-Mestre Marcos
Название: Framed Ink: Drawing and Composition for Visual Storytellers
ISBN: 1933492953 ISBN-13(EAN): 9781933492957
Издательство: TBS/GBS
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Цена: 5146.00 р.
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Описание:

The ultimate guide to visual storytelling How to make the audience ""feel"" the story while they are ""reading"" the story. Using his experiences from working in the comic book industry, movie studios and teaching, Marcos introduces the reader to a step-by-step system that will create the most successful storyboards and graphics for the best visual communication.

After a brief discussion on narrative art, Marcos introduces us to drawing and composing a single image, to composing steady shots to drawing to compose for continuity between all the shots. These lessons are then applied to three diverse story lines - a train accident, a cowboy tale and bikers approaching a mysterious house.

In addition to setting up the shots, he also explains and illustrates visual character development, emotive stances and expressions along with development of the environmental setting to fully develop the visual narrative.

This Is Not a House

Автор: Rubenstein Dan, Editors of Mark, Rubinstein Dan
Название: This Is Not a House
ISBN: 0847846369 ISBN-13(EAN): 9780847846368
Издательство: Rizzoli
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Цена: 7425.00 р.
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Описание: This Is Not a House takes a close look at spaces that reformulate the idea of what home means, in innovative houses in cities around the globe.

From ecclesiastes to simone weil

Автор: Rubinstein, Ernest
Название: From ecclesiastes to simone weil
ISBN: 1611477263 ISBN-13(EAN): 9781611477269
Издательство: Неизвестно
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Цена: 13792.00 р.
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Описание: This book reads major philosophers from the Western philosophical canon and beyond for the spirituality implicit in their metaphysics, epistemology, ethics, aesthetics, and logic. Ernest Rubinstein revives for the modern reader the spiritual import of philosophy as an area of inquiry and study.

Unsolved Historical Mysteries

Автор: Rubinstein W D
Название: Unsolved Historical Mysteries
ISBN: 1911454447 ISBN-13(EAN): 9781911454441
Издательство: Неизвестно
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Цена: 6113.00 р.
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Описание:


We still do not know for certain:

Who shot JFK? Was their a conspiracy, and no lone gunman?
Who did the 'Jack the Ripper' murders?
Who wrote the 'Shake-speare' plays?
Did Richard II murder the Princes in the Tower?
Did Jesus marry and survive the Crucifixion?
What are the ancient mysteries of the Great Pyramid and the Sphinx?
Was the man calling himself Rudolf Hess and who landed in Scotland in the Second World War really Hitler's Deputy, or a deceptive double?

Here, a leading historian asks questions, explores possible answers, and presents a fresh view of these great and unresolved mysteries.

This is a fascinating and objective series of enquiries. The distinguished author evaluates what evidence exists, and the many and varied theories offered on each unsolved but nagging mystery.

The book goes behind the scenes to examine much that remains in the shadows. He enquires about clandestine intrigues, whitewashed evidence, fraudulent claims, and much that many academic historians have previously ignored.

Professor Rubinstein reaches some quite unexpected conclusions.

Academics in action!

Автор: Barnes Sandra L., Brinkley-Rubinstein Lauren, Doyk
Название: Academics in action!
ISBN: 0823268802 ISBN-13(EAN): 9780823268801
Издательство: Mare Nostrum (Eurospan)
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Цена: 4891.00 р.
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Описание:

The academy is often described as an ivory tower, isolated from the community surrounding it. Presenting the theory, vision, and implementation of a socially engaged program for the Department of Human and Organizational Development (HOD) in Peabody’s College of Education and Human Development at Vanderbilt University, Academics in Action! describes a more integrated model wherein students and faculty work with communities, learn from them, and bring to bear findings from theory and research to generate solutions to community problems.
Offering examples of community-engaged theory, scholarship, teaching, and action, Academics in Action! describes the nuanced structures that foster and support their development within a research university. Theory and action span multiple ecological levels from individuals and small groups to organizations and social structures. The communities of engagement range from local neighborhoods and schools to arenas of national policy and international development.
Reflecting the unique perspectives of research faculty, practitioners, and graduate students, Academics in Action! documents a specific philosophy of education that fosters and supports engagement; the potentially transformative nature of academic work for students, faculty, and the broader society; and some of the implications and challenges of action-oriented efforts in light of dynamics such as income inequality, racism, and global capitalism. This edited volume chronicles teaching, research, and community action that influences both inside and outside the classroom as well as presents dimensions of a participatory model that set such efforts into action.

Voltages Induced on a Test Power Line From Artifically Initiated Lightening

Автор: Rubinstein Marcos
Название: Voltages Induced on a Test Power Line From Artifically Initiated Lightening
ISBN: 0530005018 ISBN-13(EAN): 9780530005010
Издательство: Неизвестно
Рейтинг:
Цена: 17105.00 р.
Наличие на складе: Есть у поставщика Поставка под заказ.

Описание: Abstract:

Measurements are presented and characterized of vertical electric fields 500 m from artificially initiated lightning return strokes and of voltages induced at both ends of a 448 m distribution power line by the same discharges, which are about 20 m from one end of the line. The experiment, which took place during the summer of 1986 at the NASA Kennedy Space Center, is described. The measured line voltages could be grouped into two categories, those in which multiple, similarly shaped, evenly spaced pulses were observed, which we call oscillatory, and those dominated by a principal pulse with subsidiary oscillations of much smaller amplitude, which we call impulsive. Voltage amplitudes range from tens of kilovolts for oscillatory voltages to hundreds of kilovolts for impulsive voltages. Contrary to what was expected, the voltage at the transmission line and farther from the lightning was found to be considerably larger than the voltage at the end nearer to the lightning. A new technique is derived for the calculation of the electromagnetic fields from nearby lightning over an imperfectly conducting ground. This technique is used in conjunction with a time domain coupling theory to calculate voltages at either end of the line. The results show fair agreement with the measured oscillatory voltage waveforms if corona is ignored and improved results when corona effects are modeled. Reasonable wave shape agreement is obtained for voltages of the impulsive type when these are modeled by the introduction of non-linear flashover effects, although unrealistically high return stroke currents are required to obtain good amplitude agreement. Suggestion for future experiments are given in the light of the present experience in measuring electric fields and their associated voltages from very close lightning.

Dissertation Discovery Company and University of Florida are dedicated to making scholarly works more discoverable and accessible throughout the world. This dissertation, "Voltages Induced on a Test Power Line From Artifically Initiated Lightening" by Marcos Rubinstein, was obtained from University of Florida and is being sold with permission from the author. A digital copy of this work may also be found in the university's institutional repository, IR@UF. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation.


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