Search Results - "ASAI, Keisuke"
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Scintillating Organic–Inorganic Layered Perovskite-type Compounds and the Gamma-ray Detection Capabilities
Published in Scientific reports (07-11-2017)“…We investigated scintillation properties of organic–inorganic layered perovskite-type compounds under gamma-ray and X-ray irradiation. A crystal of the hybrid…”
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2
Experimental analysis of transonic buffet on a 3D swept wing using fast-response pressure-sensitive paint
Published in Experiments in fluids (01-06-2018)“…Transonic buffeting phenomena on a three-dimensional swept wing were experimentally analyzed using a fast-response pressure-sensitive paint (PSP). The…”
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3
A review of Backward-Facing Step (BFS) flow mechanisms, heat transfer and control
Published in Thermal science and engineering progress (01-06-2018)“…•Backward-Facing Step (BFS) separation flow and heat transfer models summarized.•Theoretical, experimental, numerical studies analyzed for…”
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4
Feasibility of skin-friction field measurements in a transonic wind tunnel using a global luminescent oil film
Published in Experiments in fluids (2021)“…The feasibility of skin-friction field measurements using the global luminescent oil-film skin-friction field estimation method was evaluated for a challenging…”
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5
Effects of Organic Moieties on Luminescence Properties of Organic–Inorganic Layered Perovskite-Type Compounds
Published in Journal of physical chemistry. C (01-05-2014)“…The effects of organic moieties on the luminescence properties of organic–inorganic layered perovskite-type compounds were investigated. Three single crystals…”
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6
Photostability Enhancement of Dual-Luminophore Pressure-Sensitive Paint by Adding Antioxidants
Published in Sensors (Basel, Switzerland) (01-12-2022)“…Antioxidants were applied to a dual-luminophore pressure-sensitive paint (PSP), and the effects on photodegradation caused by exposure to excitation light were…”
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7
Frequency Response of Pressure-Sensitive Paints under Low-Pressure Conditions
Published in Sensors (Basel, Switzerland) (04-05-2021)“…The characteristics of fast-response pressure-sensitive paints (PSPs) in low-pressure conditions were evaluated. Three representative porous binders were…”
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Photoluminescence and scintillation properties of Al(PO3)3–CsPO3–CsBr–CeBr3 glass scintillators
Published in Journal of materials science. Materials in electronics (01-09-2022)“…Scintillators, which are widely used as radiation detectors, are phosphors that release absorbed ionizing radiation energy as ultraviolet or visible light…”
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Characteristic unsteady pressure field on a civil aircraft wing related to the onset of transonic buffet
Published in Experiments in fluids (01-01-2021)“…Unsteady pressure fields on a civil aircraft wing near the onset of transonic buffet have been investigated experimentally to identify flow unsteadiness that…”
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10
Quantitative evaluation of predictability of linear reduced-order model based on particle-image-velocimetry data of separated flow field around airfoil
Published in Experiments in fluids (01-05-2021)“…A quantitative evaluation method for a reduced-order model of the flow field around an NACA0015 airfoil based on particle image velocimetry (PIV) data is…”
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11
Dynamic surface heat transfer and re-attachment flow measurement using luminescent molecular sensors
Published in International journal of heat and mass transfer (01-07-2020)“…•Experimental platform established for luminescent molecular sensor (TSP type) for steady and dynamic flow analysis.•Quantitative method established for…”
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12
Radiophotoluminescence behavior in Ag-doped phosphate glasses
Published in Japanese Journal of Applied Physics (01-01-2023)“…Abstract Radiophotoluminescence (RPL) is an emission phenomenon induced by the photoexcitation of luminescent centers (RPL centers) formed by ionizing…”
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13
Experimental investigation of the supersonic cavity by spectral-POD of high-sampling rate pressure-sensitive paint data
Published in Experiments in fluids (01-05-2023)“…A pressure distribution inside a two-dimensional rectangular cavity with a ratio L / D = 5.0 of the cavity length L to the depth D over a supersonic flow was…”
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14
Proof-of-concept study of sparse processing particle image velocimetry for real time flow observation
Published in Experiments in fluids (01-09-2022)“…In this paper, we overview, evaluate, and demonstrate the sparse processing particle image velocimetry (SPPIV) as a real-time flow field estimation method…”
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15
Single-pixel resolution velocity/convection velocity field of a supersonic jet measured by particle/schlieren image velocimetry
Published in Experiments in fluids (2020)“…A single-pixel ensemble correlation method was applied to the schlieren and shadowgraph image velocimetry (SIV) and a velocimetry method that can obtain the…”
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16
Greedy Sensor Selection for Weighted Linear Least Squares Estimation Under Correlated Noise
Published in IEEE access (2022)“…Optimization of sensor selection has been studied to monitor complex and large-scale systems with data-driven linear reduced-order modeling. An algorithm for…”
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17
Fabrication of HfxSi1−xO2 microparticle-loaded PVK-based plastic scintillators using the sol–gel method for high-energy X-ray detection at high counting rate
Published in Journal of materials science. Materials in electronics (01-12-2021)“…We synthesized Hf x Si 1−x O 2 microparticle-loaded poly(9-vinylcarbazole) (PVK)-based plastic scintillators using the sol–gel method for high-energy X-ray…”
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18
Radiochromic properties of organic films based on a diarylethene molecule
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-02-2020)“…Poly(methyl methacrylate) (PMMA) films containing photochromic molecules, 2,3-bis(2,4,5-trimethyl-3-thienyl)maleimide (BTTM), were fabricated and assessed for…”
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19
Auger-free luminescence characteristics of Cs(Ca1−xMgx)Cl3
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-02-2020)“…Fast scintillation materials based on ternary halide mixed crystals, Cs(Ca1−xMgx)Cl3, were synthesized. The luminescence at the defects or impurity sites…”
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20
Sound-source distribution in the bogie section of a train determined by simultaneous measurement by pressure-sensitive paint and a microphone
Published in Experimental thermal and fluid science (01-07-2023)“…•Peak sound source distribution is observed from the correlation of the datasets from simultaneous measurement by pressure-sensitive paint and a…”
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