Radosław Kiciński

Radosław Kiciński
Polish Naval Academy · Department of Mechanical Engineering

Phd

About

26
Publications
4,359
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26
Citations

Publications

Publications (26)
Article
Full-text available
The paper discusses determining crane block trajectories using the finite element method (FEM). The mathematical formulation for air resistance of hooks’ block is presented with kinematic analysis of the block. The three crane blocks are considered: without wind deflector, with a spherical deflector and a cylindrical fairing. The hook block was ass...
Article
Full-text available
In this paper, shields made of 1.3964 stainless steel bonded to a fiber laminate were subjected to ballistic impact response of 7.62 × 51 mm ŁPS (light projectile with a lead core) projectiles. Additionally, between the steel sheet metal and the laminate, a liquid-filled bag was placed, which was a mixture of ethylene glycol (C2H6O2) with 5 wt.% Si...
Article
Full-text available
This paper presents the results of a static and dynamic tensile test of an Al7.5Mg aluminium alloy taken from round bars made in the technology of hydrostatic extrusion. It is planned to use the Al7.5Mg aluminium alloy for joining riveted structures. Based on the obtained results, the nominal and true characteristics of the Al7.5Mg aluminium alloy,...
Article
The article presents a simulation of a ship running aground. It introduces the analytical description, as well as the methodology of carrying out strength calculations when creating engineering tasks related to the topic. It shows the state of stresses and deformations of the hull of a modern minehunter after a collision with the bottom for two imm...
Preprint
TThe aim of the work is to present a newly developed stand and methodology of accelerated tests of fatigue strength of flexible propellers and fins. The paper presents the design and concepts of the measuring elements used in the research. Test methodology and water stressing were devel-oped. The mechanical properties of the following materials wer...
Article
Full-text available
The study was based on the analysis of stamina of steel flat bottom section of transport warships, burdened by the spherical pressure wave from the non-contact explosion of TNT at a distance of 20 m under the keel. This study aims to determine the TNT mass required to break the hull. The task was solved by finite element method (FEM) explicite usin...
Article
Full-text available
Recently, there have been reports of disasters related to the disappearance of submarines. One of the potential causes of disasters is the ship’s descent to the so-called critical depth and its subsequent implosion. However, the occurrence of the submarine implosion phenomenon may be difficult to achieve. This is due to the presence of hydraulic fi...
Article
Full-text available
The paper presents the rescue systems of submarines used worldwide. The idea of rescue seats was explained and described. The seat's load caused by the pressure of hydrostatic pressure, the thrust of the rescue vehicle, and the sea current was defined in accordance with the requirements of STANAG 1297. According to the standard, an analysis of the...
Article
Full-text available
Due to the modernization of warships, it was necessary to carry out strength calculations for the newly assembled devices, for which there were no detailed technical requirements. The authors try to present and harmonize the requirements for naval military structures. The lack of experimental verification of newly built systems was indicated. There...
Article
Full-text available
The paper presents the results of testing the properties of HY 80 steel from the hull of a Kobben class 207 submarine after 60 years of operation in extreme sea conditions. Steels from the HY family in the post-war period were used to build American and German submarines. For the obtained fragment of steel from the hull of the Polish submarine ORP...
Article
Full-text available
Submarine, as a technical object, has many systems necessary for operation. In addition to weapon systems, there are many systems necessary for the ships safe operation under the water. One of such systems is the submarine steering system. Article presents the principle of operation and the concept of modification of the stern rudders of the projec...
Article
Full-text available
The article presents the characteristics of 1.3964 steel and the results of firing a 7.62 mm projectile with a steel core. A simplified Johnson-Cook material model for steel and projectile was used. Then, a FEM (finite element method) simulation was prepared to calibrate the material constants and boundary conditions necessary to be used in simulat...
Article
Full-text available
The article presents the study of mechanical properties of welded steel from which the hull of a modern mine destroyer was made. Keeping the tightness of ship compartments during operation depends on the strength of these joints. The results of testing the mechanical properties of 1.3964 steel and its welded joints subjected to a static tensile tes...
Article
Full-text available
The development of computational techniques and computer hardware has an impact the analysis of short-term (fast-changing) processes, such as the impact of a non-contact underwater explosion pressure waves. A theory of underwater explosions, gas bubble formation and pressure waves are presented. The course of the pressure wave in time, and its prop...
Article
Full-text available
W artykule przedstawiono możliwości ratowania okrętów podwodnych oraz przybliżono pojazdy ratunkowe wykorzystywane podczas działań ratunkowych.
Article
Full-text available
The article presents the results of tests of impact properties of steel 1.3964 used on the construction of modern mine destroyers. Ships of this type, like any other military unit, may be exposed to small-calibre projectiles. Firing can be done, for example, from aircraft, drones or pirate units. The thickness of the plates used in the ship's const...
Article
Full-text available
The article presented and analysed the reliability of water barriers as one of the methods of securing naval technical facilities against the terrorist attacks (motorboats with explosive materials) from the sea. Water tests of FOXX barriers were described as a means of protection against such a threat. The reliability of the barrier was modelled an...
Article
Full-text available
Wyjaśniono pojęcie siłowni okrętu podwodnego oraz zawarto charakterystykę elementów, które się na nią składają. W związku z dążeniami konstruktorów okrętów podwodnych do uniezależnienia ich napędów od powietrza atmosferycznego, rozpoczęto stosowanie napędu atomowego. Przedstawiono mechanizm funkcjonowania i generowania energii w tego typu napędzie...
Article
Full-text available
We wstępie zawarto krótką genezę podboju głębin przez człowieka wykorzystując do tego celu okręty podwodne. Omówiono konstrukcję okrętów podwodnych oraz mechanizm ich funkcjonowania, odwołując się do wynalazku Davida Bushnela z 1776 roku - jednostki "Turtle", którą część źródeł podaje jako pierwszy bojowy okręt podwodny. Ukazano ewolucję ich budowy...
Article
Full-text available
The paper presents simulations of the state of stress and deformation of the Kilo class submarine hull loaded from pressure wave of non-contact mine explosion. To accomplish the task the finite element method was used. Pressure wave was described by T. L. Geers’a and K. S. Hunter model. The way of modeling the pressure wave using the acoustic mediu...
Article
Full-text available
In this paper an analysis of the stress state of the hull of the ship Kormoran II loaded by non-contact mine explosion were performed. An empirical description of the pressure wave from the non-contact TNT explosion loads reported by authors such as RH Cole T. L. Geers and K.S. Hunter was used. The way of modeling the pressure wave using the acoust...
Article
Full-text available
Okręty wojenne ze względu na swoje przeznaczenie są bezpośrednio narażone na oddziaływania udarowe wskutek działań nieprzyjaciela. Jednym z takich oddziaływań jest fala ciśnienia wywołana niekontaktowym wybuchem podwodnym miny morskiej [1] lub torpedy. Na takie oddziaływanie szczególnie narażone są okręty podwodne, które zwalcza się przy użyciu min...
Article
Full-text available
Analiza odporności udarowej okrętu podwodnego typu Kobben obciążonego falą ciśnienia od wybuchu miny WSTĘP Okręty wojenne ze względu na swoje przeznaczenie są bezpośrednio narażone na oddziaływania udarowe wskutek działań nieprzyjaciela. Jednym z takich oddziaływań jest fala ciśnienia wywołana niekontaktowym wybuchem podwodnym miny morskiej [1] lub...
Article
Full-text available
[b]Abstract[/b]. The aim of this study is to develop a computational algorithm, describing the shock wave pressure distribution in the space induced by non-contact TNT explosion. The procedure describes pressure distribution on a damp surface of the hull. Simulations have been carried out using Abaqus/CAE. The study also shows the pressure waveform...
Article
Full-text available
The paper presents the parameters of the pressure wave incident on minehunter hull structure modeled on the simplified vessel hull of Kormoran II project. The pressure wave is caused by the sea mine explosion on wet board of the ship and propagates in the sea. To describe the pressure wave procedure pressure formulas which can be implemented on pro...

Projects

Project (1)
Project
VII International Conference of Computational Methods in Engineering Science – CMES’22, 24-26 November 2022, Zamość, Poland (CMES'22) https://cmes.pl/. The main objective of the CMES conference is the development of engineering sciences, numerical and experimental techniques, broaden experience, and good practices by representatives of the scientific community and industry. The conference allows the exchange of knowledge between different research domestic and foreign centres representing various fields of engineering science and technology, more details are available at https://cmes.pl. The participation fee for the CMES 2022 conference is ? zł / ?€. The fee includes: conference participation, accommodation at the hotel in Zamość, coffee breaks, breakfasts and lunches, gala dinner, and one publication in the conference proceedings, either Journal of Physics: Conference Series, – Advances in Science and Technology Research Journal (ASTRJ) – Applied Computer Science (ACS) – Advances in Materials Science (AMS) – Production Engineering Archives Journal (PEA) The published papers will be available online as open access and subsequently submitted to the Web of Science and Scopus indexing. If you have any questions, please feel free to contact us at contact@cmes.pl or https://cmes.pl/contact/. We look forward to welcoming you and receiving your papers for the 7th CMES Conference. With kind regards, CMES'22 Conference Organizing Committee www.cmes.pl