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Ice Resistance Tests On Two Models Of The Wtgb Icebreaker
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Book Synopsis Ice Resistance Tests on Two Models of the WTGB Icebreaker by : J. C. Tatinclaux
Download or read book Ice Resistance Tests on Two Models of the WTGB Icebreaker written by J. C. Tatinclaux and published by . This book was released on 1983 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the particular full-scale conditions modelled in the tests, the dimensionless level ice resistance obtained with the two models of the 140-foot WTGB was essentially independent of the model scale. The fact that no scale effects were identified in the present tests can be interpreted in two ways: one is that icebreakers of size and operating conditions in ice similar to those of the WTGB can be confidently model tested at a scale of at least 1:24. The second interpretation is that model tests of icebreakers may be conducted in model ice 2 cm thick or thicker and/or with a bending strength of 30 kPa or more, since these values were the test conditions for the smaller WTGB model; these tests conditions would then specify a limiting model scale so that they correspond to the desired operating conditions of an icebreaker under design. By conducting model tests not only in level ice but also through broken ice channels, it was possible to separate the level ice resistance into two main components. According to this analysis, it was shown that the ice-breaking component is primarily a function of the Cauchy number but also the Froude number, especially at speed low enough for the ship to experience significant pitching and heaving motions when riding on the level ice and falling back as the ice sheet fails.
Book Synopsis Model Tests on Two Models of WTGB 140-foot Icebreaker by :
Download or read book Model Tests on Two Models of WTGB 140-foot Icebreaker written by and published by . This book was released on 1984 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of resistance tests in level ice and broken ice channels are presented for two models of the WTGB 140-ft icebreaker at scales of 1:10 and 1:24, respectively. No scale effect on the resistance in level ice could be detected between the two models. From the test results an empirical predictor equation for the full scale ice resistance is derived. Predicted resistance is compared against, and found to be 25 to 40% larger than, available full-scale values estimated from thrust measurements during full-scale trials of the Great Lakes icebreaker Katmai Bay.
Book Synopsis Model Tests on Two Models of WTGB 140-foot Icebreaker by : Jean-Claude Tatinclaux
Download or read book Model Tests on Two Models of WTGB 140-foot Icebreaker written by Jean-Claude Tatinclaux and published by . This book was released on 1984 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Report by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book Technical Report written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1950 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CRREL Report written by and published by . This book was released on 1988 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Propulsion Tests in Level Ice on a Model of a 140-ft WTGB Icebreaker by : Jean-Claude Tatinclaux
Download or read book Propulsion Tests in Level Ice on a Model of a 140-ft WTGB Icebreaker written by Jean-Claude Tatinclaux and published by . This book was released on 1985 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CRREL Benchnotes written by and published by . This book was released on 1976 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis USA CRREL Benchnotes by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book USA CRREL Benchnotes written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1983 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Model Tests on Ice-rubble Size and Ship Resistance in Ice Rubble by : R. Ettema
Download or read book Model Tests on Ice-rubble Size and Ship Resistance in Ice Rubble written by R. Ettema and published by . This book was released on 1985 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :William M. Sackinger Publisher :Fairbanks, Alaska : Geophysical Institute, University of Alaska Fairbanks ISBN 13 : Total Pages :772 pages Book Rating :4.:/5 (318 download)
Book Synopsis Port and Ocean Engineering Under Arctic Conditions by : William M. Sackinger
Download or read book Port and Ocean Engineering Under Arctic Conditions written by William M. Sackinger and published by Fairbanks, Alaska : Geophysical Institute, University of Alaska Fairbanks. This book was released on 1988 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt: 122 papers were presented during 14 sessions: Arctic database; Ice properties; Icebreaking vessels; Ice modelling; Arctic port design; Geotechnical; Ice-structure interaction; Ice morphology; Ice dynamics; Ice, climate and forecasting; Spray ice; Remote sensing; and 2 special symposia on Noise and marine mammals, and Steel/concrete composite structural systems.
Book Synopsis Model Tests to Investigate the Length/beam Effect on Icebreaker Resistance in Calm Ice-free Water by : R. W. Clark
Download or read book Model Tests to Investigate the Length/beam Effect on Icebreaker Resistance in Calm Ice-free Water written by R. W. Clark and published by . This book was released on 1973 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering by :
Download or read book Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering written by and published by . This book was released on 1989 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Level Ice Breaking by a Simple Wedge by : Jean-Claude Tatinclaux
Download or read book Level Ice Breaking by a Simple Wedge written by Jean-Claude Tatinclaux and published by . This book was released on 1985 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests in level ice on an idealized icebreaker bow in the shape of a simple wedge were conducted in the test basin. The horizontal and vertical forces on the wedge were measured, and floe size distribution in the wake of the wedge was observed. From the force measurements, the ice wedge/hull friction factor was calculated and found to be in general agreement with the friction factor measured in separate friction tests. The ice floe length and ice floe area measured in the current study were found to follow log-normal probability distributions defined by the length average L and area average A and corresponding standard deviations S sub L and S sub A. The results of these tests and other tests conducted at another facility showed that the ratios A/h squared and L/h (A = average floe area, L = average floe length, h = ice thickness) were, for the same type of model ice, directly proportional to the parameter sigma/gamma h (sigma = ice bending strength, gamma = specific weight of water) and sigma/gamma h, respectively, and independent of the velocity and ice strain modulus or ice characteristic length. However, the coefficients of proportionality appear to depend upon the type of model ice used in the tests. The ratios S-sub-L/A were independent of sigma/gamma h but varied with the bow shape and the type of ice. The available field data are not sufficient for meaningful comparison with the laboratory results. (Author).
Book Synopsis Ships Navigating in Ice by : Judith C. Joba
Download or read book Ships Navigating in Ice written by Judith C. Joba and published by Transport Canada. This book was released on 1985 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selected bibliography covering references to research reports, papers published in technical journals, articles selected from open literature and unpublished material available from 1970 to 1980.
Book Synopsis Annual Department of Defense Bibliography of Logistics Studies and Related Documents by : United States. Defense Logistics Studies Information Exchange
Download or read book Annual Department of Defense Bibliography of Logistics Studies and Related Documents written by United States. Defense Logistics Studies Information Exchange and published by . This book was released on 1985 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Society of Naval Architects and Marine Engineers by : Various
Download or read book Society of Naval Architects and Marine Engineers written by Various and published by . This book was released on 2002-10 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Eighth International Conference on Offshore Mechanics and Arctic Engineering, 1989: Arctic and polar technology by :
Download or read book Proceedings of the Eighth International Conference on Offshore Mechanics and Arctic Engineering, 1989: Arctic and polar technology written by and published by . This book was released on 1989 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
