Download or read book Icing on Offshore Structures Atmospheric Icing written by I. Horjen and published by . This book was released on 1983 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Atmospheric Icing on Sea Structures written by Lasse Makkonen and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric icing (icing due to fog, precipitation and water vapor in air) as a physical process and the problems it causes for ships and stationary offshore structures are reviewed. Estimation of the probability and severity of atmospheric icing based on climatological and geographical factors is discussed, and theoretical methods for calculating the intensity of atmospheric icing at sea are suggested. Existing data on the dependence of the atmospheric icing rate and the properties of the accreted ice on the meteorological conditions are analyzed. The methods of measuring the icing rate and ice prevention methods are discussed.

Download or read book Atmospheric Icing on Sea Structures written by Lasse Makkonen and published by . This book was released on 1984 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric icing (icing due to fog, precipitation and water vapor in air) as a physical process and the problems it causes for ships and stationary offshore structures are reviewed. Estimation of the probability and severity of atmospheric icing based on climatological and geographical factors is discussed, and theoretical methods for calculating the intensity of atmospheric icing at sea are suggested. Existing data on the dependence of the atmospheric icing rate and the properties of the accreted ice on the meteorological conditions are analyzed. The methods of measuring the icing rate and ice prevention methods are discussed.

Download or read book Assessment of Ice Accretion on Offshore Structures written by L. David Minsk and published by . This book was released on 1984 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The literature on sea spray (superstructure) icing is almost entirely based on observations on moving ships. However, icing on stationary offshore platforms with their fixed vertical columns will differ significantly from ship icing, which is influenced by ship movement and wind and wave directions. An observation program on offshore drilling vessels is proposed, using 1-in.-diam x 8-in.-long cylinders in arrays as a standard measuring technique for spray icing. Atmospheric icing may be a source of ice accretion on derricks in some locations, and the best commercial device currently available for measuring it is the Rosemount detector. Improved devices for both spray and atmospheric ice accretion measurements should be developed. Icephobic coatings have the potential for reducing ice accretion, and testing of candidate materials should be undertaken. Well-documented icing reports by all types of ships or platforms should be made and collected at a central clearinghouse.

Download or read book Atmospheric Icing of Power Networks written by Masoud Farzaneh and published by Springer Science & Business Media. This book was released on 2008-08-20 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a comprehensive book that documents the fundamentals of atmospheric icing and surveys the state of the art in eight chapters, each written by a team of experienced and internationally renowned experts. The treatment is detailed and richly illustrated.

Download or read book Ice Adhesion written by K. L. Mittal and published by John Wiley & Sons. This book was released on 2020-12-15 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book presents ways to mitigate the disastrous effects of snow/ice accumulation and discusses the mechanisms of new coatings deicing technologies. The strategies currently used to combat ice accumulation problems involve chemical, mechanical or electrical approaches. These are expensive and labor intensive, and the use of chemicals raises serious environmental concerns. The availability of truly icephobic surfaces or coatings will be a big boon in preventing the devastating effects of ice accumulation. Currently, there is tremendous interest in harnessing nanotechnology in rendering surfaces icephobic or in devising icephobic surface materials and coatings, and all signals indicate that such interest will continue unabated in the future. As the key issue regarding icephobic materials or coatings is their durability, much effort is being spent in developing surface materials or coatings which can be effective over a long period. With the tremendous activity in this arena, there is strong hope that in the not too distant future, durable surface materials or coatings will come to fruition. This book contains 20 chapters by subject matter experts and is divided into three parts— Part 1: Fundamentals of Ice Formation and Characterization; Part 2: Ice Adhesion and Its Measurement; and Part 3: Methods to Mitigate Ice Adhesion. The topics covered include: factors influencing the formation, adhesion and friction of ice; ice nucleation on solid surfaces; physics of ice nucleation and growth on a surface; condensation frosting; defrosting properties of structured surfaces; relationship between surface free energy and ice adhesion to surfaces; metrology of ice adhesion; test methods for quantifying ice adhesion strength to surfaces; interlaboratory studies of ice adhesion strength; mechanisms of surface icing and deicing technologies; icephobicities of superhydrophobic surfaces; anti-icing using microstructured surfaces; icephobic surfaces: features and challenges; bio-inspired anti-icing surface materials; durability of anti-icing coatings; durability of icephobic coatings; bio-inspired icephobic coatings; protection from ice accretion on aircraft; and numerical modeling and its application to inflight icing.

Download or read book Ice Accretions on Ships and Marine Structures written by Ivar Horjen and published by . This book was released on 1981 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes both quantitative and qualitative analyses of sea spray icing and atmospheric icing, with special reference to arctic conditions.

Download or read book Ice Accretion and Icing Technology written by Robert J Flemming and published by SAE International. This book was released on 2015-04-16 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of inflight atmospheric icing can be devastating to aircraft. Universities and industry have been hard at work to respond to the challenge of maintaining flight safety in all weather conditions. Proposed changes in the regulations for operation in icing conditions are sure to keep this type of research and development at its highest level. This is especially true for the effects of ice crystals in the atmosphere, and for the threat associated with supercooled large drop (SLD) icing. This collection of ten SAE International technical papers brings together vital contributions to the subject. Icing on aircraft surfaces would not be a problem if a material were discovered that prevented the freezing and accretion of supercooled drops. Many options that appeared to have promising icephobic properties have had serious shortfalls in durability. This title addresses, among other topics, the measurement techniques and the drop physics that apply to icing, certification for flight through ice crystal clouds and in supercooled large drops, improvements in predictive techniques, scaling methods, test facilities and techniques, and rotorcraft icing.

Download or read book Proceedings of the Third International Workshop on the Atmospheric Icing of Structures 6 8 May 1986 Vancouver Canada written by L. E. Welsh and published by . This book was released on 1991 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings International Workshop on Offshore Winds and Icing Halifax Nova Scotia October 7 11 1985 written by Tom A. Agnew and published by . This book was released on 1985 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Icing Rate on Stationary Structures Under Marine Conditions written by Kazuhiko Itagaki and published by . This book was released on 1984 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Investigation of Transient Phase Change Phenomena of Water Droplets for Marine Icing Applications written by Kaniz Ronak Sultana and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Icing reduces the stability, reliability, productivity and safe operation of offshore exploration vessels, icebreakers and marine structures. A better understanding of the fundamentals of ice accumulation on variable surfaces will be helpful for developing solutions to reduce or prevent ice accretion on offshore vessels and marine structures. The main way that ice accretes on vessels and offshore structures is the solidification of wave-generated saltwater spray. Additionally, in cold climate conditions, vessels and offshore structures can also experience atmospheric or fresh water icing. This research investigates the primary cause of both ice accretion processes. Results were analyzed in terms of pre-impact and post-impact processes. The pre-impact results of a single water droplet suggest the droplet is not in thermal equilibrium with ambient air. Additionally, the nucleation process can occur at higher temperatures than its equilibrium freezing point. Furthermore, it predicts that the nucleation temperature is controlled by the droplet's volume and the atmospheric temperature. Larger sized droplets have a higher nucleation temperature than smaller sized droplets. Moreover, internal circulation can enhance heat transfer from the droplet to the surrounding air and can accelerate nucleation in cold environmental conditions, as well as influence the fragmentation process. It was observed that the drag force is not only a function of droplet size, but also of ambient temperature and internal circulation. The post-impact results show that for a droplet impacting on a semi-infinite medium, the thermal penetrated depth is minimal. Therefore, during the post-impact study, the substrate can be considered as an isothermal surface. Furthermore, the droplet solidification process is primarily affected by droplet size, spreading area, surface temperature and pre-impact velocity. The lower the object temperature, the faster the cooling rate. Additionally; the larger the droplet size, the more time it takes to solidify. Experimental studies on droplet impact behaviour on both bare and coated substrates were analyzed. The experiments suggest that a lower spreading and longer freezing time occur more frequently on coated substrates than on uncoated substrates. The main reasons for this are surface roughness, contact angle hysteresis, surface energy, surface properties, the thickness of the coatings and droplet-substrate surface tension. The new experimental data and numerical predictions presented in this thesis will help to develop superior and more accurate ice prediction and prevention models.

Download or read book Risk of Sea Spray Icing to Offshore Structures written by Kathleen F. Jones and published by . This book was released on 2013 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Floating Offshore Wind Energy written by Joao Cruz and published by Springer. This book was released on 2016-08-20 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a state-of-the-art review of floating offshore wind turbines (FOWT). It offers developers a global perspective on floating offshore wind energy conversion technology, documenting the key challenges and practical solutions that this new industry has found to date. Drawing on a wide network of experts, it reviews the conception, early design stages, load & structural analysis and the construction of FOWT. It also presents and discusses data from pioneering projects. Written by experienced professionals from a mix of academia and industry, the content is both practical and visionary. As one of the first titles dedicated to FOWT, it is a must-have for anyone interested in offshore renewable energy conversion technologies.

Download or read book Sea Spray Concentrations and the Icing of Fixed Offshore Structures written by Kathleen F. Jones and published by . This book was released on 2011 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Working Group on Ice Forces written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1989 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ice Accumulation on Ocean Structures written by L. David Minsk and published by . This book was released on 1977 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: