Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Asuka HATANO"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 929, Pp 23-00215-23-00215 (2024)
American football is characterized by its intense collision, which can induce serious injuries such as concussions and head trauma. Therefore, the evaluation of the safety of players is mandatory. In this study, we have developed a new finite element
Externí odkaz:
https://doaj.org/article/0786600879744df48064f01a7aa39e77
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 896, Pp 20-00418-20-00418 (2021)
We have investigated the finite element modeling for the elevator wire rope 8×S(19) to reproduce the stiffnesses in both axial and radial directions. In order to validate the finite element calculation, compression test to measure the radial-directi
Externí odkaz:
https://doaj.org/article/ba240fe303864cff8258a76a0c9a653f
Autor:
Takuma SHIMAMOTO, Keita TADOKORO, Asuka HATANO, Satoshi IZUMI, Shinsuke SAKAI, Yoshiyuki NINO, Masahiko SUZUKI, Toshiyuki KANEDA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 873, Pp 18-00414-18-00414 (2019)
When train passes through the rail joint at the heel of tongue rail of railroad switch, impact vibration is caused due to the step difference of the joint. This impact vibration is transmitted to the front rod, which is the attachment device located
Externí odkaz:
https://doaj.org/article/5fe7016a5e6f440fb66c2cb49e0b60c4
Autor:
Akihiro UEDA, Shunsuke IMAIZUMI, Kodai NAKAGAWA, Keiichiro FUJIMOTO, Asuka HATANO, Satoshi IZUMI, Shinsuke SAKAI
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 866, Pp 18-00126-18-00126 (2018)
It has been long since the technology for human space flight system was established. In order to realize challenging manned space missions, further improvements in the system reliability and crew safety are essential. Comprehensive design and operati
Externí odkaz:
https://doaj.org/article/52aed91fdbe643a097221b090ba87d44
Autor:
Asuka HATANO, Jun SUMIYOSHITANI, Kazuma SUZUKI, Akihiro GORYU, Akira KANO, Mitsuaki KATO, Kenji HIROHATA, Satoshi IZUMI
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 863, Pp 18-00015-18-00015 (2018)
Transluminal attenuation gradient (TAG) is expected as a noninvasive assessment of the functional significance of a stenosis, and has reported relatively high diagnostic performance. TAG measures the gradient of intraluminal radiological attenuation
Externí odkaz:
https://doaj.org/article/00932ce311d745958ecf07bd6b62febb
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 846, Pp 16-00264-16-00264 (2017)
In this study, the effect of machined surface layer on residual stress relaxation was investigated. In previous study, low cycle fatigue strength was affected by residual stress. However, residual stress relaxation was complex because local plastic s
Externí odkaz:
https://doaj.org/article/0e0d3caf44a74e73a93abd048eaaeb13
Autor:
Shunsuke IMAIZUMI, Akihiro UEDA, Keiichiro FUJIMOTO, Asuka HATANO, Satoshi IZUMI, Shinsuke SAKAI
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 838, Pp 16-00085-16-00085 (2016)
Human space flight vehicle requests a high safety level to protect life of astronauts. Launch Abort System (LAS) is a safety system used to quickly separate the space capsule from its launch vehicle rocket in case of catastrophic failure such as expl
Externí odkaz:
https://doaj.org/article/d326c9b9ef87421ebb25cb77c92edc60
Autor:
Hiro TANAKA, Kimiyasu YOSHIMURA, Ryo SEKOGUCHI, Jumpei ARAMAKI, Asuka HATANO, Satoshi IZUMI, Shinsuke SAKAI, Hiroshi KADOWAKI
Publikováno v:
Mechanical Engineering Journal, Vol 3, Iss 1, Pp 15-00084-15-00084 (2016)
The friction of filled rubber on a rough surface is mainly determined by the rubber viscoelasticity and the surface property of multiple-scale asperities that can be represented by the power spectral density of the surface profile (i.e., power spectr
Externí odkaz:
https://doaj.org/article/50ed5b5fd3524f2498de513c93efcfc6
Autor:
Yuki KONDO, Takuma SHIMAMOTO, Asuka HATANO, Satoshi IZUMI, Shinsuke SAKAI, Hirotoshi HIGUCHI, Masahiko SUZUKI, Takashi KATO
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 81, Iss 832, Pp 15-00286-15-00286 (2015)
When train passes through the railroad joint at the heel of tongue rail of railroad switch, impact vibration is induced due to the step difference of the joint. This impact vibration transfers to the front rod, which is the attachment device located
Externí odkaz:
https://doaj.org/article/1a265400bbec4385ab643a80e51341bb
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 81, Iss 832, Pp 15-00328-15-00328 (2015)
The effect of processed surface condition on low cycle fatigue life of Ni based super alloy, Alloy 718, was investigated. Observation of turning surface indicates that the roughness is fairly small, i.e. Ra < 1 μm, however, many scratch are found. C
Externí odkaz:
https://doaj.org/article/6903dd80cade4c5c802bad1378327332