Zobrazeno 1 - 10
of 168
pro vyhledávání: '"Yoshinori Takao"'
Publikováno v:
Frontiers in Physics, Vol 9 (2021)
Energy losses in a magnetic nozzle radiofrequency plasma thruster are investigated to improve the thruster efficiency and are calculated from particle energy losses in fully kinetic simulations. The simulations calculate particle energy fluxes with a
Externí odkaz:
https://doaj.org/article/754a44af664f47e0bb01d34798499da2
Autor:
Kazunori Takahashi, Christine Charles, Rod W. Boswell, Yoshinori Takao, Amnon Fruchtman, Jaume Navarro-Cavallé, Mario Merino
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
Externí odkaz:
https://doaj.org/article/a89072913c0b40eeba072413f17d2e9c
Publikováno v:
AIP Advances, Vol 8, Iss 10, Pp 105117-105117-10 (2018)
Momentum vector measurement instrument yielding individual and simultaneous identification of local fluxes of momentum components in two different directions, i.e., vector-resolved force, is developed for understanding momentum transport in plasmas a
Externí odkaz:
https://doaj.org/article/851f8273a3194b59b8b829f021eaf3aa
Autor:
Nobuya Nakazaki, Haruka Matsumoto, Soma Sonobe, Takumi Hatsuse, Hirotaka Tsuda, Yoshinori Takao, Koji Eriguchi, Kouichi Ono
Publikováno v:
AIP Advances, Vol 8, Iss 5, Pp 055027-055027-12 (2018)
Nanoscale surface roughening and ripple formation in response to ion incidence angle has been investigated during inductively coupled plasma etching of Si in Cl2, using sheath control plates to achieve the off-normal ion incidence on blank substrate
Externí odkaz:
https://doaj.org/article/2f2c87cf1479491f8e1e9d43e3e971dc
Publikováno v:
ACS Omega. 7:33004-33009
Graphene–oxide–semiconductor (GOS) planar-type electron emission devices with a hexagonal boron nitride (h-BN) protective layer have demonstrated improved oxidation resistance while maintaining their emission performance. The devices with a monol
Autor:
Takahito Motoki, Daigo Takasaki, Hiroyuki Koizumi, Yasuho Ataka, Kimiya Komurasaki, Yoshinori Takao
Publikováno v:
Acta Astronautica. 196:231-237
An externally wetted emitter array with longitudinally grooved structures for ionic liquid electrospray thrusters has been fabricated to improve the ionic liquid transport to the emitter tips. Two grooved emitter shapes with different groove depths w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::109955bbaa1c883dc991fbbefb755b0c
https://doi.org/10.21203/rs.3.rs-2940715/v1
https://doi.org/10.21203/rs.3.rs-2940715/v1
Publikováno v:
Physics of Plasmas. 30
The density profile transition and high-energy electron transport in a magnetically expanding radio frequency (RF) plasma were investigated using particle-in-cell and Monte Carlo collision techniques, where both the plasma source and the diffusion re
Publikováno v:
2023 IEEE 36th International Conference on Micro Electro Mechanical Systems (MEMS).
Publikováno v:
Journal of Electric Propulsion. 1(1)
Molecular dynamics (MD) simulations were performed for ion extraction from electrospray thrusters to investigate relevant extraction processes numerically. To approximate the electrospray jet tip, a simulation domain consisting of 4-5 nm-sized ionic