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Shuling Chen, Beilei Zou, Changzhi Han and Shiqiang Yan
Bow shape has been recognized as an important factor influencing the seakeeping performance and added resistance of ships. This paper presents a numerical comparative study on added resistance and seakeeping of model ships with ?X-bow? and a wave-piercin...
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Vitalyi Sakhatsky,Nina Lyubymova,Vitaliy Vlasovets,Vladimir Suponyev,Oleksandr Koval,Artem Naumenko,Tatyana Vlasenko,Yevhenii Chepusenko
Pág. 32 - 40
For laying of underground utility systems in urban conditions by the method of horizontally directed soil piercing, small-sized units are designed. Such units should have measurement systems for determining the spatial position of the piercing head. In k...
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Krzysztof Jamroziak, Marcin Bajkowski, Miroslaw Bocian, Slawomir Polak, Mariusz Magier, Mariusz Kosobudzki and Radoslaw Stepien
This paper discusses the general conditions relating to ballistic head protection, analyzing the risks that may occur on contemporary battlefields. A thorough literature review has enabled us to present development trends for helmets used in the largest ...
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