Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Yuji Mihara"'
Publikováno v:
Tribology Online, Vol 18, Iss 7, Pp 449-456 (2023)
Reduction of heat and mechanical losses is a critical factor in reducing CO2 emissions and fuel consumption of automotive engines. Toward that end, it is necessary to investigate the lubrication conditions of engine sliding surfaces and instantaneous
Externí odkaz:
https://doaj.org/article/f2a4cf3559d64a9d910d5326346bbfb6
Publikováno v:
Tribology Online, Vol 15, Iss 4, Pp 241-250 (2020)
Using a bearing tester that can control the relative positional relationship between the shaft and the bearing in parallel, the seizure and friction property of the combination of a-C:H:Si DLC coated journal and the aluminum alloy bearing were verifi
Externí odkaz:
https://doaj.org/article/0497878aa27a4daf8189b6d1b20519e6
Publikováno v:
Tribology Online, Vol 15, Iss 1, Pp 18-24 (2020)
This paper evaluates a temperature variation between pulley sheaves and a metal push belt of an automotive Continuously Variable Transmission (CVT). In a study of wear mechanisms on pulley sheaves, one of the authors previously demonstrated a crystal
Externí odkaz:
https://doaj.org/article/d59b4e895ad948308ea9e6bbcfbe9e5d
Autor:
Takumi Iwata, Masakuni Oikawa, Michiyasu Owashi, Yuji Mihara, Keisuke Ito, Yoshinari Ninomiya, Yohei Kato, Shinya Kubota
Publikováno v:
Lubricants, Vol 10, Iss 11, p 314 (2022)
To improve the accuracy of the calculation analysis of crank journal bearings in motorcycle engines and accurately understand lubrication conditions, the oil film conditions of actual crankshafts and journal bearings should be measured. This research
Externí odkaz:
https://doaj.org/article/867accfbd34541cdae0ed77f495a7249
Autor:
Takumi Iwata, Michiyasu Owashi, Masakuni Oikawa, Yuji Mihara, Kunihiko Kobayashi, Naoki Yamakawa
Publikováno v:
Lubricants, Vol 10, Iss 10, p 258 (2022)
Thin-film sensors were used to measure the oil film pressure distribution at the piston pin-bore interface in order to ascertain the stress distribution on the piston pin of a gasoline engine during actual operation. Thin-film sensors have been manuf
Externí odkaz:
https://doaj.org/article/6ef60ac0b0ca45d8909a4e3489c7d65b
Publikováno v:
Tribology Online, Vol 14, Iss 4, Pp 179-187 (2019)
In the tribology of mechanical elements using lubricating oil, verification of the dynamic surface pressure distribution during sliding operation is necessary in order to elucidate the sliding condition. The same also applies to the piston rings whic
Externí odkaz:
https://doaj.org/article/a911ef93e0834cb68b411cc8dabd14a6
Publikováno v:
Tribology Online, Vol 14, Iss 2, Pp 18-23 (2019)
This study investigated oil film in contact portions formed by the dynamic loading of a push belt and pulley sheaves for automobile CVTs. Technical difficulties of direct oil film measurement came from the structure and movement of components in vari
Externí odkaz:
https://doaj.org/article/6b73a3e885d84ad1b4180d5f0b73248c
Autor:
Yuji Mihara
Publikováno v:
Tribology Online, Vol 12, Iss 3, Pp 82-88 (2017)
According to the International Energy Agency (IEA), it is predicted that internal combustion engines (ICEs) will function as important power sources for plug-in hybrid vehicles or hybrid electric vehicles until 2050. To improve ICE performance, the u
Externí odkaz:
https://doaj.org/article/6e82762fb4f74818bef79e22de8fa071
Publikováno v:
Tribology Online, Vol 12, Iss 3, Pp 141-146 (2017)
The frictional force measuring method of a piston-piston ring cylinder system at engine operation condition by using floating liner method has some device structures, such as using plural one dimensional load cells (load washer) and six or eight thre
Externí odkaz:
https://doaj.org/article/d4817c8115c44bff8dcec4cbe4367693
Autor:
Yuki Mogi, Masakuni Oikawa, Tatsuro Kichima, Mami Horiguchi, Keisuke Goma, Yasuo Takagi, Yuji Mihara
Publikováno v:
International Journal of Hydrogen Energy. 47:31459-31467
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f3574d4d0043e13d1127e930de36bba
https://doi.org/10.1016/j.ijhydene.2022.07.047
https://doi.org/10.1016/j.ijhydene.2022.07.047