Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Tadayoshi Shoyama"'
Autor:
Tadayoshi Shoyama, Ayana Banno, Yousuke Furuta, Noboru Kurata, Daisuke Ode, Yutaka Wada, Takafumi Matsui
Publikováno v:
Aerospace, Vol 8, Iss 10, p 289 (2021)
The method of air-launching a rocket using a launcher suspended from a balloon, referred to as a rockoon, can improve the flight performance of small rockets. However, there have been safety issues and flight trajectory errors due to uncertainty with
Externí odkaz:
https://doaj.org/article/38035f52772b439280e31e44aae1b017
Autor:
Tadayoshi SHOYAMA, Koji FUJIMOTO
Publikováno v:
Mechanical Engineering Journal, Vol 5, Iss 2, Pp 17-00444-17-00444 (2018)
Determination and prediction of the dynamic properties of an O-ring for bearing support were performed. Utilizing O-rings as supporters of bearing is a promising way to suppress severe vibrations such as resonance and self-excited whirl experienced i
Externí odkaz:
https://doaj.org/article/6b8b1e197cd1445687a9c5829f677a69
Publikováno v:
Journal of Spacecraft and Rockets. 59:286-294
A hybrid rockoon, which is a hybrid rocket launched from a high-altitude balloon, is proposed. The rocket system configuration was studied for single-stage or multiple-stage rockets, and the perfor...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17309df3f429ea7b33e50a67d07f23bb
https://doi.org/10.2514/1.a35040
https://doi.org/10.2514/1.a35040
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 235:4273-4282
A flexible bearing support structure is effective for stabilizing the self-excited vibration of a bearing, such as oil whirl. The stabilization effect is increased if the structure has static tangential stiffness, where the reaction force is perpendi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2489153a88d14e2d9872d02d4e9988b5
https://doi.org/10.1177/0954406220967965
https://doi.org/10.1177/0954406220967965
Autor:
Tadayoshi Shoyama, Koji Fujimoto
Publikováno v:
AEROSPACE TECHNOLOGY JAPAN, THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES. 19:39-45
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d4732af39165302487ce4f5cf906d01
https://doi.org/10.2322/astj.jsass-d-19-00033
https://doi.org/10.2322/astj.jsass-d-19-00033
Publikováno v:
AIAA Propulsion and Energy 2020 Forum.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e6bfd8b836fbfb003841d9e4f1dd54a
https://doi.org/10.2514/6.2020-3764
https://doi.org/10.2514/6.2020-3764
Autor:
Tadayoshi Shoyama, Koji Fujimoto
Publikováno v:
Polymer Testing. 67:399-408
Rubber is an effective and low-cost material for mechanical vibration suppression because in the glass-transition zone it exhibits high damping abilities. However, analytical predictions of the viscoelasticity of rubber are inaccurate because viscoel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a79f8ef5263763c0cf236c95623fd53b
https://doi.org/10.1016/j.polymertesting.2018.03.011
https://doi.org/10.1016/j.polymertesting.2018.03.011
Autor:
Koji Fujimoto, Tadayoshi Shoyama
Publikováno v:
Mechanical Engineering Journal, Vol 5, Iss 2, Pp 17-00444-17-00444 (2018)
Determination and prediction of the dynamic properties of an O-ring for bearing support were performed. Utilizing O-rings as supporters of bearing is a promising way to suppress severe vibrations such as resonance and self-excited whirl experienced i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8b1610ce1087a2e1d6607a20b327ced
https://www.jstage.jst.go.jp/article/mej/5/2/5_17-00444/_pdf/-char/en
https://www.jstage.jst.go.jp/article/mej/5/2/5_17-00444/_pdf/-char/en
Autor:
Takafumi Matsui, Noboru Kurata, Daisuke Ode, Tadayoshi Shoyama, Ayana Banno, Yutaka Wada, Yousuke Furuta
Publikováno v:
Aerospace
Volume 8
Issue 10
Aerospace, Vol 8, Iss 289, p 289 (2021)
Volume 8
Issue 10
Aerospace, Vol 8, Iss 289, p 289 (2021)
The method of air-launching a rocket using a launcher suspended from a balloon, referred to as a rockoon, can improve the flight performance of small rockets. However, there have been safety issues and flight trajectory errors due to uncertainty with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb0637730d8f40f8b3bc84f1d3bd616b
https://doi.org/10.3390/aerospace8100289
https://doi.org/10.3390/aerospace8100289
Publikováno v:
Journal of Spacecraft & Rockets. Jan2022, Vol. 59 Issue 1, p286-294. 9p.