Zobrazeno 1 - 10
of 15
pro vyhledávání: '"John Punwani"'
Publikováno v:
2015 Joint Rail Conference.
Railway wheels and rails do not achieve full wear life expectancy due to the combination of wear, plastic deformation, and surface, subsurface, and deep subsurface cracks. Sixty-seven percent of wheel replacement and maintenance in North America is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e40852161ed7daca2b01dbc83959f5c
https://doi.org/10.1115/jrc2015-5640
https://doi.org/10.1115/jrc2015-5640
Autor:
Michael Hempel, Sushanta Mohan Rakshit, Pradhumna Lal Shrestha, Monique Stewart, Fahimeh Rezaei, John Punwani, Hamid Sharif
Publikováno v:
2015 Joint Rail Conference.
Wireless Sensor Networks have been a focus of research in the North American freight railroad industry to enable on-board real-time sensing of critical railcar parameters. Important railcar aspects like wheel bearing temperature, air pressure, brake
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd252a2cf68dcbbc01b8eeede5ba9c57
https://doi.org/10.1115/jrc2015-5765
https://doi.org/10.1115/jrc2015-5765
Autor:
Fahimeh Rezaei, Pradhumna Lal Shrestha, Sushanta Mohan Rakshit, Monique Stewart, Michael Hempel, John Punwani, Hamid Sharif
Publikováno v:
2014 Joint Rail Conference.
Real-time monitoring of various components of a railcar such as wheel bearing temperature, brake line status, integrity of transported goods and many more has become a key focus area of research for the North American freight railroad industry. The a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3b2645a4c4ae431f14eddab6da3fe0c
https://doi.org/10.1115/jrc2014-3723
https://doi.org/10.1115/jrc2014-3723
Autor:
Sushanta Mohan Rakshit, John Punwani, Hamid Sharif, Michael Hempel, Monique Stewart, Pradhumna Lal Shrestha
Publikováno v:
2013 Joint Rail Conference.
Traditional Wireless Sensor Network (WSN) solutions have been deemed insufficient to address the requirements of freight railroad companies to implement real-time monitoring and control of their trains, tracks and wayside equipment. With only ZigBee-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8496f6bf1826bd24f2588809beb2891e
https://doi.org/10.1115/jrc2013-2467
https://doi.org/10.1115/jrc2013-2467
Publikováno v:
WCNC
The North American railroad industry, with the objective of improving safety and security of their operations, have been exploring the possibilities of real-time monitoring and control of trains and wayside equipment. Wireless Sensor Networks (WSNs)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3180dc9be1fe8d1e1c338f9984d76f81
https://doi.org/10.1109/wcnc.2013.6554927
https://doi.org/10.1109/wcnc.2013.6554927
Publikováno v:
ASME 2012 Rail Transportation Division Fall Technical Conference.
The North American freight railroad industry continuously strives towards improvements in the safety and security of freight transportation. One key effort focuses on the use of Wireless Sensor Networks (WSN) technologies to monitor and report mechan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae6bcdd40494fde1a763c44cc8945cff
https://doi.org/10.1115/rtdf2012-9402
https://doi.org/10.1115/rtdf2012-9402
Publikováno v:
ASME 2012 Rail Transportation Division Fall Technical Conference.
Residual stresses are known to significantly impact the initiation and growth of cracks in metallic components such as railway wheels. Tensile residual stresses are of particular concern due to their ability to non-conservatively affect performance.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b68ab08fd28989b33276bc5e56b05b0
https://doi.org/10.1115/rtdf2012-9422
https://doi.org/10.1115/rtdf2012-9422
Publikováno v:
2012 Joint Rail Conference.
Diesel fuel used in locomotives generally does not pose a fire hazard. However, diesel vapor generated within tank vapor space attains flammability condition as the fuel temperature gets closer to the fuel-flash point, which may cause a fire hazard i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b838e0b49d7c60a8d14445d6cf21a8e
https://doi.org/10.1115/jrc2012-74078
https://doi.org/10.1115/jrc2012-74078
Autor:
Shahram Mehrvarzi, John Punwani, Monique Stewart, Hamid Sharif, Michael Hempel, Sushanta Mohan Rakshit
Publikováno v:
2012 Joint Rail Conference.
Ensuring rail safety is a priority for the Federal Railroad Administration (FRA) and the railroad industry in North America. One such endeavor is to leverage Wireless Sensor Networks (WSN) to monitor and report in real-time the status of mechanical a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4be03f5954ac4f18e44694bb1a09d9e0
https://doi.org/10.1115/jrc2012-74114
https://doi.org/10.1115/jrc2012-74114