Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Andrzej Niewczas"'
Publikováno v:
Energies, Vol 17, Iss 9, p 2143 (2024)
This study concerns the management of operational risk in truck transport using the reliability theory of risks. In this regard, the risk analysis of changes in the vehicle unavailability represents an important topic. In this study, the authors pres
Externí odkaz:
https://doaj.org/article/c34ba18b62f94f1d9948234a7343cec0
Publikováno v:
Archives of Transport, Vol 52, Iss 4, Pp 57-66 (2019)
According to the Central Statistical Office in Poland, for the last 10 years (2009 - 2018), the number of trucks has increased by as much as 25%. More than 6 million trucks drive in the European Union, and Poland, followed by Italy, boasts of the lar
Externí odkaz:
https://doaj.org/article/d76ec1b66e814cbbba0e0c9a8a2ff349
Publikováno v:
Communications, Vol 23, Iss 4, Pp A241-A247 (2021)
The objective of this study was to assess the effect of selected operational and technical factors on downtime of vehicles. The sample consisted of buses from a municipal transport company (Poland). Estimation of parameters of a linear regression mod
Externí odkaz:
https://doaj.org/article/d68b6e92632f4676aa0c61e07aaad77a
Publikováno v:
Applied Sciences, Vol 12, Iss 6, p 2921 (2022)
The aim of this study was to analyze the impact of the categories of bus downtime caused by the necessity of their repair on the availability indicator. A retrospective study covering 12 years of bus operation was carried using the selected municipal
Externí odkaz:
https://doaj.org/article/9a86cb11039e4881b1c030bdd48b94ba
Autor:
Piotr Zapała, Bartosz Dybowski, Sławomir Poletajew, Łukasz Białek, Andrzej Niewczas, Piotr Radziszewski
Publikováno v:
World Journal of Surgical Oncology, Vol 16, Iss 1, Pp 1-6 (2018)
Abstract Background Indications for restaging transurethral resection of the bladder tumor (reTURBT) in patients with non-muscle-invasive bladder cancer (NMIBC) remain controversial. This study was aimed at evaluation of clinical value and safety of
Externí odkaz:
https://doaj.org/article/c256f6a51186468a95e223216a3bf106
Publikováno v:
Energies, Vol 14, Iss 16, p 5035 (2021)
When a trolleybus travels through insulated sections of the overhead contact line, it experiences momentary power interruptions, which adversely affect the vehicle’s on-board auxiliary subassemblies. To reduce these negative effects, one can harnes
Externí odkaz:
https://doaj.org/article/681626e385e24feab787cea1fd26010a
Publikováno v:
Energies, Vol 14, Iss 9, p 2592 (2021)
A driving cycle is a time series of a vehicle’s speed, reflecting its movement in real road conditions. In addition to certification and comparative research, driving cycles are used in the virtual design of drive systems and embedded control algor
Externí odkaz:
https://doaj.org/article/5495e265575846d1a57f7dd68a072320
Publikováno v:
Transport, Vol 23, Iss 1 (2008)
The paper presents some aspects of operation of municipal transport system in the city of Lublin (Poland). Organization of Lublin Municipal Transport Company was described, its efficiency and perspectives of development. Particular attention was paid
Externí odkaz:
https://doaj.org/article/6874024f49f94eb6a438447715bedcfb
Publikováno v:
Transport Samochodowy. 66:17-34
Tire wear and damage tests have been carried out on a sample of 45 trucks in Warsaw. The aim of the research was to assess the damageability and to determine the qualitative characteristics of typical operational damage to the truck tires. A linear m
Publikováno v:
Eksploatacja i Niezawodność – Maintenance and Reliability.
The development of public transport systems presently focuses on sustainability. In this situation, the issue of user (passenger) migration has become important to the transport company as a service provider. This paper presents an integrated model o