Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Hideyo Negishi"'
Publikováno v:
Journal of Fluid Science and Technology, Vol 18, Iss 4, Pp JFST0035-JFST0035 (2023)
The Bingham fluid simulation model was constructed and validated using a physically consistent particle method, i.e., the Moving Particle Hydrodynamics (MPH) method. When a discrete particle system satisfies the fundamental laws of physics, the metho
Externí odkaz:
https://doaj.org/article/53777b17186f4bd5ab9aafdedc182d03
Autor:
Hideyo NEGISHI, Hironori FUJIHARA, Hidenao TAKAHASHI, Kazuya SHIBATA, Kazuaki MANIWA, Shingo OBARA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 890, Pp 20-00241-20-00241 (2020)
The fluid film lubrication problem is usually solved using classical Reynolds equation-based modeling to predict fluid film behavior such as pressure distribution and oil film thickness, which requires pressure boundary conditions at the locations of
Externí odkaz:
https://doaj.org/article/23234680c0f347b2b2a21333ec115ea1
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 875, Pp 19-00086-19-00086 (2019)
Grease lubrication in ball bearings is one of key technologies to reduce energy consumption and enhance lifetime in design of spacecrafts as well as general industrial machineries. From a view point of grease lubrication design, it is crucial to unde
Externí odkaz:
https://doaj.org/article/cb3b8b52618d4eb7b65932448f96054b
Autor:
Miki NISHIMOTO, Hideyo NEGISHI, Shinobu YOSHIMURA, Naoto KASAHARA, Hiroshi AKIBA, Hideo SUNAKAWA, Shusuke HORI, Nobuki NEGORO
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 81, Iss 826, Pp 14-00674-14-00674 (2015)
In Japan, new developments of liquid rocket engines are now underway for Japan's next flagship launch system. In the development, front-loading design process is applied to reduce development costs and to increase reliability. Therefore it is indispe
Externí odkaz:
https://doaj.org/article/f77475008a7d44ed80a8a71ae7d81725
Publikováno v:
Journal of Fluids Engineering. 145
An accurate prediction method of cavitation surge is desired to design a reliable turbopump for rocket engines that allow complex operational sequences such as controlled reentry and landing. Therefore, the paper aims to develop a novel model that en
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::235ea044c940cc191c98869484e5dd63
https://doi.org/10.1115/1.4062377
https://doi.org/10.1115/1.4062377
Autor:
Hiroaki Amakawa, Miki Nishimoto, Shin-ichi Moriya, Masao Takegoshi, Yu Daimon, Hideyo Negishi
Publikováno v:
AIAA SCITECH 2023 Forum.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8527e9907e480e5b565077f231551af
https://doi.org/10.2514/6.2023-1135
https://doi.org/10.2514/6.2023-1135
Autor:
Hideyo Negishi, Shingo Obara, Kazuya Shibata, Toshiki Imatani, Kazuaki Maniwa, Daisuke Yamada
Publikováno v:
Computational Particle Mechanics. 9:421-441
Accepted: 2021-06-03
資料番号: PA2210013000
資料番号: PA2210013000
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3865dfce72ee17d2e402752b5c92e79c
https://doi.org/10.1007/s40571-021-00420-2
https://doi.org/10.1007/s40571-021-00420-2
Publikováno v:
Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics.
In recent years, various types of liquid rocket engines have been developed to achieve different types of mission, and modern rocket engines are required to operate at different conditions depending on flight situations such as launch and landing. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cd30e3e87c4bdc7d26842938ba81a64
https://doi.org/10.1115/gt2022-82348
https://doi.org/10.1115/gt2022-82348
Publikováno v:
International Journal of Heat and Fluid Flow. 87:1-13
形態: カラー図版あり
Physical characteristics: Original contains color illustrations
Accepted: 2020-11-21
資料番号: PA2110018000
Physical characteristics: Original contains color illustrations
Accepted: 2020-11-21
資料番号: PA2110018000
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48a0860b7101771ca7b9ed4966d33f92
http://id.nii.ac.jp/1696/00048151/
http://id.nii.ac.jp/1696/00048151/
Autor:
Kazuya Shibata, Hideyo Negishi, Kazuaki Maniwa, Hidenao Takahashi, Hironori Fujihara, Shingo Obara
Publikováno v:
Transactions of the JSME (in Japanese). 86:20-00241
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40f20e6052027041fc91b4f06315ed2e
https://doi.org/10.1299/transjsme.20-00241
https://doi.org/10.1299/transjsme.20-00241