Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Marius Adrian Spiroiu"'
Autor:
Marius Adrian Spiroiu
Publikováno v:
Materiale Plastice. 55:24-27
The pneumatic elastic elements are widely used in the secondary suspension of modern railway vehicles due to their important advantages compared to the conventional ones. In the present paper, the modelling and analysis of the pneumatic suspension is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dcc8fb69b62b126e56a65461b3e547a
https://doi.org/10.37358/mp.18.1.4956
https://doi.org/10.37358/mp.18.1.4956
Autor:
Marius Adrian Spiroiu
Publikováno v:
Applied Mechanics and Materials. :1097-1102
The aim of this paper is to analyze the reliability of freight wagon wheelset on the basis on real field data, observed and collected in actual operations of freight wagons. The failure modes and their associated occurrence absolute frequencies are i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80a8fefe7b39f7cad4863d12f9d4bb2f
https://doi.org/10.4028/www.scientific.net/amm.809-810.1097
https://doi.org/10.4028/www.scientific.net/amm.809-810.1097
Autor:
Elena-Beatrice Tănase, Adina-Teodora Gheorghian, Camelia Stanciu, Marius Adrian Spiroiu, Catalina Dobre, Dorin Stanciu
Publikováno v:
Entropy; Volume 19; Issue 12; Pages: 676
Entropy, Vol 19, Iss 12, p 676 (2017)
Entropy, Vol 19, Iss 12, p 676 (2017)
A solar driven cooling system consisting of a single effect H2O-LiBr absorbtion cooling module (ACS), a parabolic trough collector (PTC), and a storage tank (ST) module is analyzed during one full day operation. The pressurized water is used to trans
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8189c082e7f576001d2b1be12e614506
Autor:
Marius-Adrian Spiroiu
Publikováno v:
MATEC Web of Conferences, Vol 112, p 07022 (2017)
The aim of this paper is to investigate the effects of pitch phenomenon induced by traction process on railway cars. There are identified and analysed the vertical load variations occurring both on bogies and on axles as a result of pitch motion. It
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::810e663ecc17d1ad6dd334c490f21424
https://doaj.org/article/aead695996d64dbfb94ec192b90db2c7
https://doaj.org/article/aead695996d64dbfb94ec192b90db2c7
Autor:
Marius-Adrian Spiroiu
Publikováno v:
MATEC Web of Conferences, Vol 112, p 09008 (2017)
The aim of the present paper is to identify total time on test (TTT) estimators which require only partial information on sampling units. This allows an important simplification of the testing or observation procedure. The approach is based on the di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2bf22647a5f9b33c9612f54a81df6a7
https://doaj.org/article/fadf839c4e9846b58cce12711ce4970a
https://doaj.org/article/fadf839c4e9846b58cce12711ce4970a
Publikováno v:
Applied Mechanics and Materials. 659:237-242
During circulation the railway vehicle is subjected to the action of dynamic forces under the effect of shocks that appear in the driving system caused by stick slip phenomenon, dynamic forces arising from the rolling process when the wheelset is pas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30c225d07199668de5ea344312cdf375
https://doi.org/10.4028/www.scientific.net/amm.659.237
https://doi.org/10.4028/www.scientific.net/amm.659.237
Publikováno v:
Applied Mechanics and Materials. 659:223-230
The shock attack occurs at a railway vehicle circulation in a curve in which a discontinuous bend appears, mathematically represented by an angular point. In this point, shock angle produces an abrupt change of direction of the vehicle, respectively
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e6eb260e024ec26de1fefd99d6dff9a
https://doi.org/10.4028/www.scientific.net/amm.659.223
https://doi.org/10.4028/www.scientific.net/amm.659.223
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 564:012108
The paper represents a small part of the studies conducted by the authors in the field of longitudinal dynamic phenomena developed in the body of the braked train. The aim of the study in this paper is to evaluate the effect of train composition on t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65ae9975efdbefceee4d1a1fb6ead71e
https://doi.org/10.1088/1757-899x/564/1/012108
https://doi.org/10.1088/1757-899x/564/1/012108
Autor:
Camil Crăciun, Marius Adrian Spiroiu
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 444:042002
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe9a52857316d81d2f2d1f97bf6d0ac5
https://doi.org/10.1088/1757-899x/444/4/042002
https://doi.org/10.1088/1757-899x/444/4/042002
Publikováno v:
Vehicle System Dynamics. 51:460-480
Braking dynamics plays an essential role in ensuring the comfort and running safety of trains. Due to the complexity of the phenomena involved and the presence of dry friction, studies have been carried out by numerical methods using smoothening. Bas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3831f4b62eb3ad7671a6de6cff8da7e
https://doi.org/10.1080/00423114.2012.744459
https://doi.org/10.1080/00423114.2012.744459