Search Results - "ASAI, Keisuke"

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  1. 1

    Scintillating Organic–Inorganic Layered Perovskite-type Compounds and the Gamma-ray Detection Capabilities by Kawano, Naoki, Koshimizu, Masanori, Okada, Go, Fujimoto, Yutaka, Kawaguchi, Noriaki, Yanagida, Takayuki, Asai, Keisuke

    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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    Journal Article
  2. 2

    Experimental analysis of transonic buffet on a 3D swept wing using fast-response pressure-sensitive paint by Sugioka, Yosuke, Koike, Shunsuke, Nakakita, Kazuyuki, Numata, Daiju, Nonomura, Taku, Asai, Keisuke

    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. 3

    A review of Backward-Facing Step (BFS) flow mechanisms, heat transfer and control by Chen, Lin, Asai, Keisuke, Nonomura, Taku, Xi, Guannan, Liu, Tianshu

    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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    Journal Article
  4. 4

    Feasibility of skin-friction field measurements in a transonic wind tunnel using a global luminescent oil film by Costantini, Marco, Lee, Taekjin, Nonomura, Taku, Asai, Keisuke, Klein, Christian

    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. 5

    Effects of Organic Moieties on Luminescence Properties of Organic–Inorganic Layered Perovskite-Type Compounds by Kawano, Naoki, Koshimizu, Masanori, Sun, Yan, Yahaba, Natsuna, Fujimoto, Yutaka, Yanagida, Takayuki, Asai, Keisuke

    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. 6

    Photostability Enhancement of Dual-Luminophore Pressure-Sensitive Paint by Adding Antioxidants by Uchida, Kazuki, Ozawa, Yuta, Asai, Keisuke, Nonomura, Taku

    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. 7

    Frequency Response of Pressure-Sensitive Paints under Low-Pressure Conditions by Kasai, Miku, Sasaki, Daisuke, Nagata, Takayuki, Nonomura, Taku, Asai, Keisuke

    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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  8. 8

    Photoluminescence and scintillation properties of Al(PO3)3–CsPO3–CsBr–CeBr3 glass scintillators by Nakabayashi, Yusuke, Fujimoto, Yutaka, Koshimizu, Masanori, Asai, Keisuke

    “…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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  9. 9

    Characteristic unsteady pressure field on a civil aircraft wing related to the onset of transonic buffet by Sugioka, Yosuke, Nakakita, Kazuyuki, Koike, Shunsuke, Nakajima, Tsutomu, Nonomura, Taku, Asai, Keisuke

    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. 10

    Quantitative evaluation of predictability of linear reduced-order model based on particle-image-velocimetry data of separated flow field around airfoil by Nonomura, Taku, Nankai, Koki, Iwasaki, Yuto, Komuro, Atsushi, Asai, Keisuke

    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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    Journal Article
  11. 11

    Dynamic surface heat transfer and re-attachment flow measurement using luminescent molecular sensors by Chen, Lin, Kawase, Chiaki, Nonomura, Taku, Asai, Keisuke

    “…•Experimental platform established for luminescent molecular sensor (TSP type) for steady and dynamic flow analysis.•Quantitative method established for…”
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  12. 12

    Radiophotoluminescence behavior in Ag-doped phosphate glasses by Kawamoto, Hiroki, Koshimizu, Masanori, Fujimoto, Yutaka, Asai, Keisuke

    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. 13

    Experimental investigation of the supersonic cavity by spectral-POD of high-sampling rate pressure-sensitive paint data by Oka, Yoshinori, Ozawa, Yuta, Nagata, Takayuki, Asai, Keisuke, Nonomura, Taku

    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. 14

    Proof-of-concept study of sparse processing particle image velocimetry for real time flow observation by Kanda, Naoki, Abe, Chihaya, Goto, Shintaro, Yamada, Keigo, Nakai, Kumi, Saito, Yuji, Asai, Keisuke, Nonomura, Taku

    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. 15

    Single-pixel resolution velocity/convection velocity field of a supersonic jet measured by particle/schlieren image velocimetry by Ozawa, Yuta, Ibuki, Takuma, Nonomura, Taku, Suzuki, Kento, Komuro, Atsushi, Ando, Akira, Asai, Keisuke

    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. 16

    Greedy Sensor Selection for Weighted Linear Least Squares Estimation Under Correlated Noise by Yamada, Keigo, Saito, Yuji, Nonomura, Taku, Asai, Keisuke

    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. 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 by Sato, Atsushi, Koshimizu, Masanori, Fujimoto, Yutaka, Kishimoto, Shunji, Asai, Keisuke

    “…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. 18

    Radiochromic properties of organic films based on a diarylethene molecule by Asai, Kohei, Koshimizu, Masanori, Fujimoto, Yutaka, Asai, Keisuke

    “…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. 19

    Auger-free luminescence characteristics of Cs(Ca1−xMgx)Cl3 by Takahashi, Keisuke, Koshimizu, Masanori, Fujimoto, Yutaka, Yanagida, Takayuki, Asai, Keisuke

    “…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. 20

    Sound-source distribution in the bogie section of a train determined by simultaneous measurement by pressure-sensitive paint and a microphone by Matsui, Akitoshi, Kasai, Miku, Sugioka, Yosuke, Asai, Keisuke, Nonomura, Taku

    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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