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Author: L. David Minsk
Publisher:
ISBN:
Category : Ice navigation
Languages : en
Pages : 56
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Book Description
Author: L. David Minsk
Publisher:
ISBN:
Category : Ice navigation
Languages : en
Pages : 56
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Book Description
Author: L. David Minsk
Publisher:
ISBN:
Category : Icing (Meteorology)
Languages : en
Pages : 70
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Book Description
Author: L. David Minsk
Publisher:
ISBN:
Category : Ice navigation
Languages : en
Pages : 42
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Book Description
Author: Jonathan R. Bennett
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The arctic landscape has slowly been warming over the course of the 20th century resulting in a recession of ice coverage presenting ships with access and opportunity to regions previously blocked by heavy ice coverage and difficult weather conditions. A rise in global temperatures has accelerated the reduction of arctic sea ice coverage providing fishing and ships the ability to venture further north. Weather systems and frigid temperatures have historically overwhelmed ships traversing the arctic with heavy onboard ice accumulation risking the stability of the vessel and ultimately the safety of the crew. This onboard ice accretion is a combination of both ocean sea spray and freshwater precipitation and can additionally reduce the accessibility and functionality of essential mechanical and emergency equipment. The walkways, stairs and ladders can quickly become layered with ice making work and onboard navigation increasingly hazardous for the crew. While there are several methods to either prevent or remove accumulated ice, each is limited by either high costs, reductive efficiency or additional environmental concerns. Ship operators have traditionally relied on their crew to manually remove accumulated ice with shovels, baseball bats and sledgehammers putting the safety of the crew at risk as they work to remove ice on an already unsteady ocean surface. Additionally, they have generally avoided the thicker ice and colder environment of the winter choosing to work within the warmer summer months. However, with each passing year the ice coverage continues to shrink opening the arctic to more vessels and extending the shipping season further into the winter. This threat of marine icing is only going to become more extensive as the evolving arctic draws both the fishing and shipping industries further north in the pursuit of new opportunities. While there have been great advancements over the last half century in understanding the cause of marine icing there lacks insight and practical research into mitigating its onboard presence. The exposed stairways of ships are particularly dangerous as the increased slipping hazard is worsened with the risk of falling from a height or potentially overboard into the freezing arctic waters. This thesis gives a detailed look at the history of marine icing and the environmental properties which perpetuate its onboard growth. The research examines the effect of various stair design characteristics on reducing ice accumulation through a set of experiments conducted in the climate controlled cold room located at Memorial University. An open cell tread design resulted in the least amount of ice accretion when compared to the diamond plated aluminum, steel and rubber treads. Due to its hydrophobic properties the rubber tread accrued the most ice while simultaneously demonstrating the greatest ease of removal from impact testing. Thermal conductivity appears to have no correlation with ice accumulation or adhesion as both the steel and aluminum tests attained similar results with drastically different conductivities.
Author: L. David Minsk
Publisher:
ISBN:
Category : Deicing chemicals
Languages : en
Pages : 36
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Author: Gregory Tsinker
Publisher: Springer Science & Business Media
ISBN: 1461520819
Category : Science
Languages : en
Pages : 567
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Book Description
Marine Structures Engineering is designed to help engineers meet the growing worldwide demand for construction of new ports and the modernization of existing ports and terminals. It provides an authoritative guide to the design, construction, rehabilitation, repair, and maintenance of port and harbor structures. Each chapter is self-contained, allowing readers to access specific information. The Author draws on his extensive experience in offshore structure and port engineering to demonstrate evaluation, rehabilitation, repair, and maintenance of in-service marine structures. Also covered in detail are state-of-the-art approaches to: *marine structures in cold regions, with special attention to the role of ice loads, permafrost, and other ice effects *shiplifts, marine railways, shipways, and dry docks *offshore moorings *floating breakwaters *marinas *structures that protect bridge piers from ship impact. Offering practical information on all aspects of marine structures, this book serves as an indispensable resource to all engineers and professionals involved in design, construction, maintenance, and modernization of ports and harbors.
Author: Jorgen Amdahl
Publisher: CRC Press
ISBN: 1000533832
Category : Technology & Engineering
Languages : en
Pages : 1274
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Book Description
Developments in the Analysis and Design of Marine Structures is a collection of papers presented at MARSTRUCT 2021, the 8th International Conference on Marine Structures (by remote transmission, 7-9 June 2021, organised by the Department of Marine Technology of the Norwegian University of Science and Technology, Trondheim, Norway), and is essential reading for academics, engineers and professionals involved in the design of marine and offshore structures. The MARSTRUCT Conference series deals with Ship and Offshore Structures, addressing topics in the fields of: - Methods and Tools for Loads and Load Effects; - Methods and Tools for Strength Assessment; - Experimental Analysis of Structures; - Materials and Fabrication of Structures; - Methods and Tools for Structural Design and Optimisation; and - Structural Reliability, Safety and Environmental Protection. The MARSTRUCT conferences series of started in Glasgow, UK in 2007, the second event of the series took place in Lisbon, Portugal in March 2009, the third in Hamburg, Germany in March 2011, the fourth in Espoo, Finland in March 2013, the fifth in Southampton, UK in March 2015, the sixth in Lisbon, Portugal in May 2017, and the seventh in Drubovnik, Croatia in May 2019. The ‘Proceedings in Marine Technology and Ocean Engineering’ series is dedicated to the publication of proceedings of peer-reviewed international conferences dealing with various aspects of ‘Marine Technology and Ocean Engineering’. The Series includes the proceedings of the following conferences: the International Maritime Association of the Mediterranean (IMAM) conferences, the Marine Structures (MARSTRUCT) conferences, the Renewable Energies Offshore (RENEW) conferences and the Maritime Technology (MARTECH) conferences. The ‘Marine Technology and Ocean Engineering’ series is also open to new conferences that cover topics on the sustainable exploration and exploitation of marine resources in various fields, such as maritime transport and ports, usage of the ocean including coastal areas, nautical activities, the exploration and exploitation of mineral resources, the protection of the marine environment and its resources, and risk analysis, safety and reliability. The aim of the series is to stimulate advanced education and training through the wide dissemination of the results of scientific research.
Author: United States. Department of Transportation
Publisher:
ISBN:
Category :
Languages : en
Pages : 754
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1090
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 2240
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Book Description
