High Performance Marine Vessels
High Performance Marine Vessels (HPMVs) range from the Fast Ferries to the latest high speed Navy Craft, including competition power boats and hydroplanes, hydrofoils, hovercraft, catamarans and other multi-hull craft. High Performance Marine Vessels cove
- PDF / 27,498,803 Bytes
- 379 Pages / 468.671 x 683.009 pts Page_size
- 93 Downloads / 212 Views
High Performance Marine Vessels
High Performance Marine Vessels
wwwwwwwwwww
Liang Yun
●
Alan Bliault
High Performance Marine Vessels
Liang Yun Marine Design and Research Institute of China Shanghai, China
Alan Bliault A.S Norske Shell Sola, Norway
ISBN 978-1-4614-0868-0 e-ISBN 978-1-4614-0869-7 DOI 10.1007/978-1-4614-0869-7 Springer New York Dordrecht Heidelberg London Library of Congress Control Number: 2012932303 © Springer Science+Business Media, LLC 2012 All rights reserved. This work may not be translated or copied in whole or in part without the written permission of the publisher (Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Preface
Speed is not simply about velocity in air or water but should be considered in context with its purpose and the tools available. Until recently in historical terms, the motive power available for travel over the water was manpower itself or wind. Over many centuries sailing vessels have been refined so that they could harness more of its power efficiently, and reach higher into an oncoming wind so as to perform a more direct route to the objective. The wind is not available to order nevertheless, and so “speed” achieved is not constant. The invention of reciprocating engines, initially steam driven, made a step change for maritime transport, just as it did on land a little over two centuries ago. It changed the meaning of speed over water, since not only could a vessel be designed to travel directly to its destination, but also could transport much greater payloads than possible previously, and could deliver independent of the weather environment. In the first century of powered marine craft, speeds increased from around 20 knots to about double that. At such speed, there are challenges even for large craft due to rapid increase of drag on the hull if a boat continues to try to push its way through. The propeller driving such a vessel also loses efficiency due to a phenomenon known as cavitation unless specially designed to harness it. In the early part of the twentieth century, pioneering engineers conquered both problems and developed planing craft that could travel much faster by skimming over the water surface. The racing fraternity that grew in this period took things to the limit and produced craft that were in danger of flying if a stray gust of wind should hit. Commercial and military craft have not tested these boundaries qu
