Search Results - "Nishiyama, Hideya"

Experimental and theoretical study on chemical reactions and species diffusion by a nano-pulse discharged bubble for water treatment by He, Yuchen, Uehara, Satoshi, Takana, Hidemasa, Nishiyama, Hideya

“…Advanced oxidation processes using hydroxyl radicals (⋅OH) generated inside bubbles in water has drawn widely interest for the high oxidation potential of OH…”
Get full text

Modelling of inhomogeneous mixing of plasma species in argon–steam arc discharge for broad range of operating conditions by Jeništa, Jiří, Takana, Hidemasa, Nishiyama, Hideya, Bartlová, Milada, Aubrecht, Vladimír, Murphy, Anthony B.

“…Numerical simulation of mixing of argon- and water-plasma species in argon-steam arc discharge has been investigated in thermal plasma generator with the…”
Get full text

A nonequilibrium argon-oxygen planar plasma jet using a half-confined dielectric barrier duct in ambient air by Li, Qing, Takana, Hidemasa, Pu, Yi-Kang, Nishiyama, Hideya

“…A nonequilibrium argon plasma jet with oxygen addition, generated in a planar dielectric duct and issuing into ambient air with one edge stuck on a dielectric…”
Get full text

Visualizing motions of magnetic fluid spikes for a novel particle-collecting device by Uehara, Satoshi, Kiuchi, Misaki, Nishiyama, Hideya

“…This paper proposes a novel method to collect fine and coarse particles dispersed in the air using magnetic fluid to improve atmospheric environment. Magnetic…”
Get full text

Rapid Deposition of Photocatalytically Enhanced TiO2 Film by Atmospheric SPPS Using Ar/N2-Vortex Plasma Jet by Kindole, Dickson, Anyadiegwu, Ifeanacho, Ando, Yasutaka, Noda, Yoshimasa, Nishiyama, Hideya, Uehara, Satoshi, Nakajima, Tomoki, Solonenko, Oleg P., Smirnov, A.V., Golovin, A.A.

“…In this study, as cost effective and an environmentally friendly film deposition technology, Atmospheric Solution Precursor Plasma Spray (ASPPS) was utilized…”
Get full text

An atmospheric pressure quasiuniform planar plasma jet generated by using a dielectric barrier configuration by Li, Qing, Takana, Hidemasa, Pu, Yi-Kang, Nishiyama, Hideya

“…A stable nonthermal quasiuniform planar plasma jet, originating from a planar dielectric duct with a rectangular exit and issuing into ambient air at…”
Get full text

The dynamic behavior of magnetic fluid adsorbed to small permanent magnet in alternating magnetic field by Sudo, Seiichi, Asano, Daisaku, Takana, Hidemasa, Nishiyama, Hideya

“…The dynamic behavior of a magnetic fluid adsorbed to a small NdFeB permanent magnet subjected to an alternating magnetic field was studied with a high speed…”
Get full text

Numerical investigation for nano-particle synthesis in an RF inductively coupled plasma by Shigeta, Masaya, Watanabe, Takayuki, Nishiyama, Hideya

“…Since plasma is regarded as one of the multifunctional fluids which has high energy density, chemical reactivity, controllability by an external…”
Get full text

Preparation of Carbon-Doped TiO2 Nanopowder Synthesized by Droplet Injection of Solution Precursor in a DC-RF Hybrid Plasma Flow System by Jang, Juyong, Takana, Hidemasa, Ando, Yasutaka, Solonenko, Oleg P., Nishiyama, Hideya

“…Carbon-doped titanium dioxide nanopowder has received much attention because of its higher photocatalytic performance, which is practically activated not only…”
Get full text

Computational simulation of cold spray process assisted by electrostatic force by Takana, Hidemasa, Ogawa, Kazuhiro, Shoji, Tetsuo, Nishiyama, Hideya

“…The integrated model of compressible thermofluid, splat formation and coating formation for the cold spray process has been established. In-flight behavior of…”
Get full text

Nano powder transportation by combining plasma actuation and electrostatic mixing in a tube by Hidemasa TAKANA, Shusaku NAKAKAWAJI, Satoshi UEHARA, Hideya NISHIYAMA

“…“Plasma Tube” is proposed for nano particle transportation and for particle surface purification in this study. The well-controlled efficient nano particle…”
Get full text

Improvement of In-Flight Alumina Spheroidization Process Using a Small Power Argon DC-RF Hybrid Plasma Flow System by Helium Mixture by Takana, Hidemasa, Jang, Juyong, Igawa, Junji, Nakajima, Tomoki, Solonenko, Oleg P., Nishiyama, Hideya

“…For the further improvement of in-flight alumina spheroidization process with a low-power direct-current radiofrequency (DC-RF) hybrid plasma flow system, the…”
Get full text

Evaluation of cluster formation and flow characteristics of magneto-rheological fluid in a branch pipe under the magnetic field for shutting down leakage by Makoto HARADA, Satoshi UEHARA, Hidemasa TAKANA, Hideya NISHIYAMA

“…Flow dynamics of magneto-rheological (MR) fluid in a branch pipe as a simple model of a cracked pipe and a blood vessel with wounds is clarified by considering…”
Get full text

Development of micro diaphragm mechanism using surface phenomenon of magnetic fluid by Seiichi SUDO, Masato NAKANISHI, Michihiro SHINOZAKI, Hideya NISHIYAMA

“…This paper is concerned with the development of magnetic fluid micro devices. Liquid responses of a magnetic fluid adsorbed on a ring-shaped permanent magnet…”
Get full text

Effect of configuration on microdischarge structure in a narrow channel by Tong, Lizhu, Yonemura, Shigeru, Takana, Hidemasa, Nishiyama, Hideya

“…The effect of channel diameter on SiH 4 microdischarge in a narrow channel is studied by performing the Particle-in-Cell/Monte Carlo (PIC/MC) simulation. It is…”
Get full text

In-flight particle characteristics in a DC–RF hybrid plasma flow system by Kawajiri, Kohtaro, Nishiyama, Hideya

“…In-flight particle characteristics are clarified experimentally for a DC–RF hybrid plasma flow for various operating pressures. A recirculation effect in a…”
Get full text

Characterization of DBD Multiple Bubble Jets for Methylene Blue Decolorization by Hideya NISHIYAMA, Ryosuke NAGAI, Kei NIINUMA, Hidemasa TAKANA

“…The discharge characteristics and bubble dynamics of argon multiple bubble jets, in which a streamer is generated by a DC pulsed discharge, have been…”
Get full text

The Influence of Turbulence on Characteristics of a Hybrid-Stabilized Argon-Water Electric Arc by Jirí JENIŠTA, Hidemasa TAKANA, Hideya NISHIYAMA, Milada BARTLOVÁ, Vladimír AUBRECHT, Petr KRENEK

“…The paper presents numerical simulations of the discharge and near outlet regions of the hybrid-stabilized argon-water electric arc. Calculations were carried…”
Get full text

Fully coupled 3D modeling of plasma–particle interactions in a plasma jet by Ramachandran, Kandasamy, Nishiyama, Hideya

“…A three-dimensional model is developed to clarify two-way interactions of energy, momentum and turbulence between plasma and particles. The plasma–particle…”
Get full text

Computational Simulation of Arc Melting Process with Complex Interactions by Nishiyama, Hideya, Sawada, Tomohiko, Takana, Hidemasa, Tanaka, Manabu, Ushio, Masao

“…The real-time computational simulation of arc melting process with considering complex interactions and solid–liquid mushy zone in molten anode has been…”
Get full text