N. Yoshida
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View article: Experimental progress and future plans on spherical tokamak, QUEST
Experimental progress and future plans on spherical tokamak, QUEST Open
QUEST (Q-shu university experiment with steady state spherical tokamak) aims at effective plasma current start-up and stable maintenance of plasma discharge. To solve the inherent problems in a spherical tokamak (ST) arising from insuffici…
View article: Development of electron cyclotron wall conditioning with argon gas in the spherical tokamak QUEST for hydrogen removal from metal walls
Development of electron cyclotron wall conditioning with argon gas in the spherical tokamak QUEST for hydrogen removal from metal walls Open
Electron cyclotron wall conditioning with argon gas (Ar-ECWC) has been performed on the normal conducting spherical tokamak QUEST with metal walls for the purpose of applying this technique to future superconducting fusion devices with met…
View article: Development of a Precipitation Climate Record from Spaceborne Precipitation Radar Data. Part II: Temporal Adjustment of the Calibration Change Using the Ocean Normalized Radar Cross Section
Development of a Precipitation Climate Record from Spaceborne Precipitation Radar Data. Part II: Temporal Adjustment of the Calibration Change Using the Ocean Normalized Radar Cross Section Open
We analyze the calibration stability of the 17-yr precipitation radar (PR) data on board the Tropical Rainfall Measuring Mission (TRMM) satellite to develop a precipitation climate record from the spaceborne precipitation radar data of the…
View article: Investigation of the Scale Effects on Roll Motion for The Ship <i>Bettica</i> Using Numerical Simulation
Investigation of the Scale Effects on Roll Motion for The Ship <i>Bettica</i> Using Numerical Simulation Open
In this paper, we focus on analysing scale effects on the roll motion of the Italian ship Bettica using a numerical method. First, the roll decay motion of the ship is simulated at both the model scale and full scale, and the predicted res…
View article: Overview of recent progress on steady state operation of all-metal plasma facing wall device QUEST
Overview of recent progress on steady state operation of all-metal plasma facing wall device QUEST Open
View article: Calibration of the Dual-Frequency Precipitation Radar Onboard the Global Precipitation Measurement Core Observatory
Calibration of the Dual-Frequency Precipitation Radar Onboard the Global Precipitation Measurement Core Observatory Open
This article describes four-year calibration results of the dual-frequency precipitation radar (DPR) onboard the Global Precipitation Measurement (GPM) Core Observatory. The calibration method basically follows the method that was used to …
View article: Estimation of fuel particle balance in steady state operation with hydrogen barrier model
Estimation of fuel particle balance in steady state operation with hydrogen barrier model Open
This research investigated fuel particle balance during long duration discharge in an all-metal plasma facing wall (PFW) through intensive QUEST execution. A simple wall model including the plasma-induced deposition layer that creates hydr…
View article: Application of optical reflectivity measurements to diagnostics for plasma facing materials
Application of optical reflectivity measurements to diagnostics for plasma facing materials Open