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Author : Jean-Claude Tatinclaux
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (359 download)
Download or read book Ship Model Testing in Level Ice written by Jean-Claude Tatinclaux and published by . This book was released on 1988 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cold Regions Research and Engineering Laboratory (U.S.)
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (631 download)
Download or read book Ship Model Testing in Level Ice - an Overview written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1988 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. M. Williams
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (858 download)
Download or read book The Effect of Surface Friction on Ship Model Resistance in Level Ice written by F. M. Williams and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a series of model tests and laboratory experiments carried out in the ice tank at IMD, between September 1986 and February 1987, for Melville Shipping Limited, and sponsored by the Transportation Development Centre. The purpose of the tests was to study the effect of friction between the ship model and the ice on the resistance measurements in level ice. The model test results show the effect of surface finish, characterized by friction coefficient or surface roughness, on resistance, within the range of parameters covered.
Author : Jean-Claude Tatinclaux
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (91 download)
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).
Author : Jean-Claude Tatinclaux
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (121 download)
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 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of propulsion tests in level ice on a model of the WTGB 140-ft. Great Lakes icebreaker are presented and compared to available full-scale data. In spite of the difficulties in exactly modeling full-scale conditions, the predictions based on the model test results of the ship performance compared reasonably well to those measured during full-scale trials. Several possible sources of errors are identified. In particular, duplication at the model scale of the ship hull's ice friction coefficient is considered to be critical in determining the ice resistance and the corresponding propulsion characteristics, namely propeller speed, thrust and torque. Keywords: Coast Guard ships; Ship models; Icebreakers; and Model tests.
Author : Jean-Claude Tatinclaux
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (319 download)
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:
Author : Jean-Claude Tatinclaux
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (121 download)
Download or read book Model Tests in Ice of a Canadian Coast Guard R-class Icebreaker-high Friction Model written by Jean-Claude Tatinclaux and published by . This book was released on 1989 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas Phillips-Birt
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (318 download)
Download or read book Ship Model Testing written by Douglas Phillips-Birt and published by . This book was released on 1970 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jean-Claude Tatinclaux
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (126 download)
Download or read book Tests in Ice on an Antarctic Research Vessel Model written by Jean-Claude Tatinclaux and published by . This book was released on 1992 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aale Roos
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (58 download)
Download or read book Ice Resistance Model Test Program for Maritime a Administration U.S. Department of Commerce written by Aale Roos and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aale Roos
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (38 download)
Download or read book Great Lakes Ore Carrier Series Ice Resistance Model Tests Program written by Aale Roos and published by . This book was released on 1976 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. Ettema
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (121 download)
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 : J. C. Tatinclaux
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (18 download)
Download or read book Model Tests in Ice of a Canadian Coast Guard R-class Icebreaker written by J. C. Tatinclaux and published by . This book was released on 1984 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of resistance and propulsion tests in level ice of a 1:20-scale model of the R-class icebreaker of the Canadian Coast Guard. On the basis of the model test results, full-scale performance is predicted and compared with available full-scale trials data. Predicted ice resistance and required propeller rpm, thrust and delivered power are lower than full-scale measurements. This disagreement was attributed to the fact that the ship model had a much lower ice friction coefficient than the prototype. On the other hand, predictions of thrust and power for a given ship speed and propeller rpm are in good agreement with corresponding full-scale measurements.
Author : Aale Roos
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (841 download)
Download or read book Great Lakes Ore Carrier Series written by Aale Roos and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. G. Tsoy
Publisher : Cambridge Scholars Publishing
ISBN 13 : 1527589374
Total Pages : 717 pages
Book Rating : 4.5/5 (275 download)
Download or read book The Optimization of Parameters for Ships Navigating in Ice written by L. G. Tsoy and published by Cambridge Scholars Publishing. This book was released on 2022-11-14 with total page 717 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an analytical review of the world’s construction of icebreakers, detailing the prospects of navigation along the North Sea Route. It provides the results of engineering and cost efficiency feasibility studies (ECSs) for arctic icebreakers and ice-going new generation transport ships forming part of the Russian merchant fleet. The book considers theoretical and experimental studies of ice performance of domestic icebreakers, provides the results of research into the design and construction of ice navigation transport ships, and discusses aspects of safe navigation in ice conditions.
Author : Jean-Claude Tatinclaux
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (113 download)
Download or read book Model Tests in Ice of a Canadian Coast Guard R-class Icebreaker - High Friction Model written by Jean-Claude Tatinclaux and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of resistance and propulsion tests in level ice of a roughened 1:20 scale model of the Canadian Coast Guard R-class icebreaker. The test conditions were the same as those previously reported for the smooth model. The present test results and those with the smooth model are compared, as are the results obtained at all facilities participating in the comparative study proposed by the Committee on Performance of Ships in Ice-Covered Waters of the International Towing Tank Conference. Keywords: Icebreaker; Ice resistance; Model tests; Propulsions.
Author :
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (319 download)
Download or read book Special Report written by and published by . This book was released on 1989 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
