Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Takahiko Yamashita"'
Autor:
Munetake Satoh, Takahiko Yamashita, Kei Miyanami, Kenji Higashi, Shinji Tanimura, Hayato Inada, Koji Tsuji
Publikováno v:
KONA Powder and Particle Journal, Vol 12, Iss 0, Pp 173-177 (2014)
A dry powder coating method has been applied to develop high-performance contact-materials for the electrical industry. Using a high-speed/high-shear type of mill, the dispersion and compounding process of particulate Ag and nano-meter-size Ni powder
Externí odkaz:
https://doaj.org/article/ac818bb89d834f62b50f642d101b2c8e
Autor:
Kazushi Oura, Takuya Sakamoto, Takahiko Yamashita, Yota Yamamoto, Tomohiro Furusato, Yoshinobu Matsuda
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 26(2):439-446
Propagation of a surface discharge on water is evaluated using simulation results of the voltage/current waveforms and discharge contact area. Voltage/current waveforms are calculated using an exponential function which assumes the resistance of wate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4d0174e45069ae31b4ee63f1ee5c4e9
https://nagasaki-u.repo.nii.ac.jp/records/1683
https://nagasaki-u.repo.nii.ac.jp/records/1683
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 26(1):56-63
Solid insulated switchgear (SIS) has been developed as a substitution for sulfur hexafluoride gas insulated switchgears in the medium voltage class.Its main circuit including a vacuum interrupter is coated with epoxy resin.An embedded electrode was e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dacbfabe0e75a8c94ab095466e1df9f0
http://hdl.handle.net/10069/38833
http://hdl.handle.net/10069/38833
Publikováno v:
Journal of Electrostatics. 97:51-57
This paper presents experimental results on the influence of the electrolyte on the phase shift of dry-band discharges. Two types of electrolytes (NaCl and MgCl2) were introduced to compare the case of KCl, and a model electrode system including glas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fb31c2b218262f5929b2705793c08f9
http://hdl.handle.net/10069/38766
http://hdl.handle.net/10069/38766
Autor:
Yuki Inada, Takahiko Yamashita, Tsuyoshi Kiyan, Mitsuru Sasaki, Naokazu Ashizuka, Takeshi Kamagahara, Yoshinobu Matsuda, Tomohiro Furusato
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 25:1807-1813
The relation between breakdown characteristics and plasma temperature of a pulsed arc discharge in highly pressurized CO 2 was investigated up to a supercritical phase. A transient arc discharge was generated by applying nanosecond pulsed voltage wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1de60426a8f734337b8c19c84fe21a8c
https://doi.org/10.1109/tdei.2018.007213
https://doi.org/10.1109/tdei.2018.007213
Publikováno v:
IEEE Transactions on Plasma Science. 46(6):2079-2084
The authors propose a new method for evaluating the contact area of a surface discharge on water by analyzing the resistance of water solution. This method supplements optical observations of light emissions and the Schlieren method. The contact area
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98702f9d64c0d44460c0c1d73f77763f
https://nagasaki-u.repo.nii.ac.jp/records/27501
https://nagasaki-u.repo.nii.ac.jp/records/27501
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 25:154-161
This paper describes the current dependence of dry-band discharge. Model electrodes that simulated the dry-band was introduced. The dependence was examined on the voltage and current waveforms, emission spectra and their intensities, rotational tempe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f34cba9329ca6a8a1a9f91e2abd405ba
https://doi.org/10.1109/tdei.2018.007005
https://doi.org/10.1109/tdei.2018.007005
Publikováno v:
Journal of Physics D: Applied Physics. 55(11):115203
Plasmas on liquids have provided significant applications in material, environmental, and biological sciences. The mechanisms of these chemical reactions in liquids have been primarily described by the plasma–liquid interactions and convection by a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e99a10d7d6ce09c81a6a27eb275fa305
https://nagasaki-u.repo.nii.ac.jp/records/27504
https://nagasaki-u.repo.nii.ac.jp/records/27504
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 24:3055-3062
Solid insulated switchgear (SIS) has been developed as a substitution for medium voltage SF6 gas insulated switchgear. Its main circuits including a vacuum interrupter are coated with epoxy resin and a solid/gas insulation system is formed. For furth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a261b639b8048b063b394938333a27b8
https://doi.org/10.1109/tdei.2017.006720
https://doi.org/10.1109/tdei.2017.006720
Autor:
Takashi Sakugawa, Hidenori Akiyama, Tomoyuki Fujishima, Miyuki Ota, Takahiko Yamashita, Tomohiro Furusato, Sunao Katsuki
Publikováno v:
IEEE Transactions on Plasma Science. 44:3189-3195
This paper reports on the dependence of voltage rise rate on positive streamer branching and shock waves in supercritical carbon dioxide. Voltages with rise rates of 0.21 and 4.5 kV/ns were applied to a needle-To-plane electrode. Prebreakdown phenome
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fd6d0c4fed717c1fd001d2cf567feb1
https://doi.org/10.1109/tps.2016.2607225
https://doi.org/10.1109/tps.2016.2607225