Specifications for the Construction of a Twin Screw Combination Vessel Design P2-SE2-R1, Turbo-electric Propulsion PDF Download
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Author: United States. Maritime Commission
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: United States. Maritime Commission
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: United States. Navy Department. Construction and Repair Bureau
Publisher:
ISBN:
Category :
Languages : en
Pages : 168
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Book Description
Author: Society of Naval Architects and Marine Engineers (U.S.)
Publisher:
ISBN:
Category : Marine engineering
Languages : en
Pages : 852
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Including National architect.
Author: United States. Maritime Commission
Publisher:
ISBN:
Category : Transports
Languages : en
Pages :
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Author: United States. Navy Department. Construction and Repair Bureau
Publisher:
ISBN:
Category :
Languages : en
Pages : 68
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Book Description
Author: Construction and Repair Bureau
Publisher:
ISBN:
Category :
Languages : en
Pages : 238
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Book Description
Author: United States. Navy Department. Bureau of Construction and Repair
Publisher:
ISBN:
Category :
Languages : en
Pages : 89
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Author: H. M. Hobart
Publisher: Forgotten Books
ISBN: 9781330418406
Category : Technology & Engineering
Languages : en
Pages : 198
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Book Description
Excerpt from The Electric Propulsion of Ships Much attention is now being given to propositions relating to the electric propulsion of ships. A study of the circumstances reveals a remarkable accordance of means and requirements. The case may be briefly outlined as follow's: - The double transformation of energy in the form of work into energy in the form of electricity and again from electricity into work, may often, when the operations are on a large scale, be effected at an overall efficiency of 90 per cent, and even higher. In other words, at the cost of a loss of 10 per cent, in energy and of the initial and maintenance cost of the electrical machinery, engineers can interpose an electric drive between the prime mover and the machinery to be driven. The object of interposing an electric drive is to obtain advantages of flexibility which will permit of securing greater efficiency both in the prime mover and in the driven machinery, which, in the case of ship propulsion, is the propeller. Further great advantages relate to the superior means of control rendered available with electric drive. In the case of ship propulsion, the prime mover has, until recently, almost always been a reciprocating engine. But during the last ten years, many ships have been fitted with steam turbines. As applied to ship propulsion, the steam turbine has not met with any approach to the almost unqualified success which has attended its use on land. This is chiefly because, in applying the steam turbine to ship propulsion, it has been necessary to adopt speeds several times lower than have been customary with land turbines. This has been necessary owing to the well-known circumstance that the efficiency attainable with the screw propeller is lower (for a given power) the higher the speed of revolutions. It was a realization of this circumstance, more than any other consideration, which first led to serious propositions for the electrical driving of large ships. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Charles A. Mathys
Publisher:
ISBN: 9780984377510
Category : Sports & Recreation
Languages : en
Pages : 286
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Book Description
After years of researching, building and testing many designs, Charlie Mathys has found the answers to inexpensive "Electric Propulsion for Boats." This book starts with an overview of his successes and failures. With each success Charlie moves ahead until you have an excellent understanding of electric propulsion for boats. This book delves deeply into the technical aspects of electric propulsion. However the information remains extremely easy to understand. The book will take you through each phase of the required work thoroughly, with detailed explanations for each step along the way. You will not find another book that explains all aspects of this subject so completely or in such an easily understood format. Although Charlie has limited the examples to smaller boats, the processes can easily be modified for larger vessels. If you have an interest in quiet, clean and green propulsion for your boat, this book is the perfect place to start your project
Author: Jess W. Arrington
Publisher:
ISBN:
Category :
Languages : en
Pages : 125
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Book Description
The surface combatant of the 21st century will be designed to support a myriad of tasks requiring greater flexibility and endurance while keeping construction, maintenance and operating costs to a minimum. As a result the design of a surface combatant will depart from today's standards and philosophies. One option is the use of an electric propulsion system that can be integrated with the other ship's electrical loads. Electric propulsion operating with an Integrated Electrical System has many advantages that will fulfill the requirements of future surface combatants. This study provides the historical background, the supporting issues, components, and architecture of electric propulsion systems and the Integrated Electrical System. Technical information on various component types and issues that influence the design considerations of an electric propulsion system and Integrated Electrical System to meet the requirements of a surface combatant are addressed. The areas of study are prime movers, generators, frequency converters, motors, ship's service electrical distribution, auxiliary electrical loads, and system control. The designer and operator of the surface combatant of the 2l% Century can better understand the application of an electric propulsion system and an Integrated Electrical System from the accrued information on components, system architecture and system control herein.
