Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Stefania Semanova"'
Publikováno v:
Applied Engineering Letters, Vol 4, Iss 2, Pp 48-54 (2019)
Fuel consumption of heavy duty vehicles is caused by actual vehicle resistances acting during the vehicle motion. This paper deals with possibilities to reduce the vehicle aerodynamic resistance, air drag coefficient. This resistance effects the vehi
Externí odkaz:
https://doaj.org/article/496e64d41c9d4a0697ffa4a60317c8d0
Publikováno v:
Communications, Vol 20, Iss 3, Pp 3-8 (2018)
The paper deals with the issue of delays of public transport vehicles at the signal controlled junctions. Based on the road traffic survey results, the average values of vehicle delays were determined. By using those values, it is possible to define
Externí odkaz:
https://doaj.org/article/670a887a61ee4f0da5aa47dfd6b2e4ac
Publikováno v:
Communications, Vol 19, Iss 2, Pp 3-9 (2017)
Nowadays, there are more types of propulsions and fuels in road transport. This paper deals with the problem of their energy intensity and GHG emissions. The emissions can be classified as primary or secondary. The mixture of primary sources for the
Externí odkaz:
https://doaj.org/article/b36fabfca9a0481598987b52aeb3a5ca
Publikováno v:
Communications, Vol 18, Iss 2, Pp 83-87 (2016)
The paper deals with the relationship of increasing road safety through the support of bus service. The objective of the paper is to analyse the factors affecting road safety. Subsequently, the impact of the bus service support on road safety is expr
Externí odkaz:
https://doaj.org/article/c605b035a5e84f9792b5fad78be0420d
Publikováno v:
Communications, Vol 17, Iss 2, Pp 92-97 (2015)
The paper deals with an issue of the impact of road infrastructure pricing on transport planning. The first part describes the history of road infrastructure pricing in the USA and the EU. The paper also describes an applicable methodology of toll ra
Externí odkaz:
https://doaj.org/article/2579cceb1fbe4b8a9c9f128bdbabaafe
Publikováno v:
Communications, Vol 16, Iss 2, Pp 92-97 (2014)
The paper deals with the importance of the risk in financing public passenger transport. The first part analyses the risks affecting financing public passenger transport. These risks can be divided into two basic groups: cost risks and revenue risks.
Externí odkaz:
https://doaj.org/article/79699cf934d94ce4be8360125550dd24
Autor:
Dusan Halaj, Stefania Semanova
Publikováno v:
Communications, Vol 15, Iss 4, Pp 39-43 (2013)
The article is focused on the carriers' requirements and costs of the information systems in road freight transport. Based on the carriers' requirements for information and services as well as the costs of individual information systems, a recommende
Externí odkaz:
https://doaj.org/article/8d4752d404e04dc1a140bc395ee290ed
Publikováno v:
Transport Problems, Vol 9, Iss 4, Pp 153-161 (2014)
Scopus-Elsevier
Scopus-Elsevier
The paper deals with the issue of the influence of contract form choice of the transport services ensuring on performance contracting entity requirement. In the first part, it describes the current state of transport services financing in the Slovak
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1f77609eb10cbab6a64188a8facc5792
http://transportproblems.polsl.pl/pl/Archiwum/2014/zeszyt4/2014t9z4_14.pdf
http://transportproblems.polsl.pl/pl/Archiwum/2014/zeszyt4/2014t9z4_14.pdf
Publikováno v:
Tehnički Vjesnik, Vol 27, Iss 5, Pp 1378-1384 (2020)
Actual trend in transport is the decreasing of the energy consumption and GHG production. One way how to decrease these two attributes is the reduction of aerodynamic drag using additional aerodynamic devices on semi-trailers. The paper presents the
Externí odkaz:
https://doaj.org/article/e4ceedb5258a4478b6e0451f53ab4c05
Autor:
Branislav ŠARKAN, Tomáš SKRÚCANÝ, Štefánia SEMANOVÁ, Radovan MADLEŇÁK, Andrzej KURANC, Marie SEJKOROVÁ, Jacek CABAN
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 98, Pp 161-172 (2018)
A coast-down test is carried out in cases when there is a need for the exact expression of the forces acting on a road vehicle during its coast-down. These forces act mainly against the vehicle’s movement due to air and tyre rolling resistance. Kno
Externí odkaz:
https://doaj.org/article/fc3dad0798e34dd784d75bc5388a6b1c