Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Piotr Lesiak"'
Autor:
Daniel Pieniak, Mirosław Guzik, Paweł Lonkwic, Piotr Lesiak, Jaroslaw Selech, Zbigniew Krzysiak, Jonas Matijosius, Marie Sejkorova, Artūras Kilikevičius
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract The paper presents comparative laboratory investigations of tension fastener models that attach rails to concrete sleepers. The aim of the paper was to assess the influence of geometric nonconformity of the actual industrial product that mee
Externí odkaz:
https://doaj.org/article/c3772e4160b54dd2919a465c6d0a292a
Autor:
Paweł Wolny, Paweł Mikołajczyk, Piotr Mikołajczyk, Aleksander Nadarzyński, Piotr Lesiak, Damian Bąk, Piotr Kaczmarzyk
Publikováno v:
Safety & Fire Technology, Vol 63, Iss 1, Pp 70-86 (2024)
Aim: This article presents an identification and analysis of the hazards associated with the operation of lithium-ion technology, the range of applications, an overview of hazardous incidents domestically and also internationally, the brief history o
Externí odkaz:
https://doaj.org/article/079104e7074b4695854859836f27c44f
Publikováno v:
Transport Problems, Vol 18, Iss 1, Pp 129-141 (2023)
A number of physical methods are used to survey railway track ballast to assess its degradation as a function of deposition. Simulation tests on track models are also conducted. These testing methods, which are generally labour-intensive and expensiv
Externí odkaz:
https://doaj.org/article/5dab1b83ea5141ac96747656c6f27ba9
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2811 (2024)
The amount of freight transported by rail and the number of passengers are increasing year by year. Any disruption to the passenger or freight transport stream can generate both financial and human losses. Such a disruption can be caused by the rail
Externí odkaz:
https://doaj.org/article/f22244cd6d5e4dc3b01eb33e944e14b2
Publikováno v:
Safety & Fire Technology, Vol 59, Iss 1, Pp 96-109 (2022)
Aim: The aim of this article is to determine the characteristics of a pool fire, including the temperatures and thermal radiation densities caused by it. Mappings of pool fires occurring in actual emergency events were conducted by performing large-s
Externí odkaz:
https://doaj.org/article/fc86942b35c5416f9586088aa6ea709c
Autor:
Ingrid Membrillo Solis, Tetiana Orlova, Karolina Bednarska, Piotr Lesiak, Tomasz R. Woliński, Giampaolo D’Alessandro, Jacek Brodzki, Malgosia Kaczmarek
Publikováno v:
Communications Materials, Vol 3, Iss 1, Pp 1-11 (2022)
Topological data analysis is an important framework for quantifying the structural and morphological features of soft materials. Here, structural heterogeneity is introduced as a quantitative measure of non-equilibrium mesoscopic order in soft matter
Externí odkaz:
https://doaj.org/article/7764dfd6b52247ca80586b7f47c394c0
Publikováno v:
Safety & Fire Technology, Vol 58, Iss 2, Pp 38-57 (2021)
Aim: The aim of the article is to present the current state of knowledge regarding the possibility of suppressing or effectively extinguishing fires of electric vehicle. Due to the growing popularity of means of transport powered by electric batteri
Externí odkaz:
https://doaj.org/article/c92ae50f45d249d6bf2dcd7de65a5601
Autor:
Piotr Lesiak
Publikováno v:
Przegląd Komunikacyjny, Pp 1-10 (2021)
Abstract: The paper shows the advantages of using drones in the photogrammetric inspection of railway engineering facilities, such as bridges and viaducts. The designs of drones dedicated to such research are presented. Methods of mapping such object
Externí odkaz:
https://doaj.org/article/74c0db9fad1f40dca8acfec3514b2e07
Autor:
Piotr Lesiak
Publikováno v:
Przegląd Komunikacyjny, Pp 1-9 (2020)
The paper discusses the possibilities of the use of drones in the visual diagnostics of the railway track. Examples of extensive defects in the railhead are shown, along with methods of image processing and analysis. Pros and cons of such a research
Externí odkaz:
https://doaj.org/article/f475cc47b4644d9d9a9d93ea20a54f16
Publikováno v:
Safety & Fire Technology, Vol 53, Iss 1, Pp 46-66 (2019)
Aim: This paper presents the operation of an active dust explosion (HRD, high rate discharge) suppression system in a confined space. Project and methods: The study involved tests of the developed fire protection system for suppressing dust explos
Externí odkaz:
https://doaj.org/article/11be74a8d2874e819cd040e8d45facf4