Research Outputs: 論文

Journal: 学術論文

2025年

  • S. Sakamoto, S. Ono, and S. Hirayama, "Effect of relay tube geometry on the onset temperature in loop-tube thermoacoustic systems," Jpn. J. Appl. Phys., vol. 64, pp. 03SP16-1–6, 2025.
  • K. Mori, M. Koshiyama, Y. Watanabe, N. Okamoto, N. Yanagisawa, A. Banba, E. Ikuta, A. Ono, K. Seki, M. Nakagawa, S. Sakamoto, Y. Hara and A. Nakashima, "The Effect of Wearing Elastic Compression Stockings on Leg Edema in Pregnant Women in Late Pregnancy as Determined by Measuring the Deep Venous Velocity and Flow," Healthcare, vol. 13, no. 214, pp. 1–13, 2025.

2023年

  • T. Matsumoto and S. Sakamoto, "An approach to low-temperature oscillation and high efficiency of thermoacoustic prime mover: influence of end face and reduction area of phase adjuster," Jpn. J. Appl. Phys., vol. 62, pp. SJ1010-1–6, 2023.
  • S. Ono and S. Sakamoto, "Fundamental study for heat pump stack length determination with complex flow paths in a compact thermoacoustic system," Jpn. J. Appl. Phys., vol. 62, pp. SJ1007-1–5, 2023.
  • E. Ikuta, M. Koshiyama, Y. Watanabe, A. Banba, N. Yanagisawa, M. Nakagawa, A. Ono, K. Seki, H. Kambe, T. Godo, S. Sakamoto, Y. Hara, and A. Nakajima, "A Histogram Analysis of the Pixel Grayscale (Luminous Intensity) of B-Mode Ultrasound Images of the Subcutaneous Layer Predicts the Grade of Leg Edema in Pregnant Women," Healthcare, vol. 11, no. 1328, pp. 1–9, 2023.

2022年

  • A. Banba, M. Koshiyama, Y. Watanabe, K. Makino, E. Ikuta, N. Yanagisawa, A. Ono, M. Nakagawa, K. Seki, S. Sakamoto, Y. Hara, and A. Nakajima, "Measurement of Skin Thickness Using Ultrasonography to Test the Usefulness of Elastic Compression Stockings for Leg Edema in Pregnant Women," Healthcare, vol. 10, no. 1754, pp. 1–9, 2022.
  • S. Sakamoto, T. Godo, M. Koshiyama, E. Ikuta, Y. Watanabe, "Basic Study for the Quantitative Diagnosis of Edema Focusing on Ultrasound Propagation Time Waveform Information," Women Health Open J., vol. 8, pp. 9–18, 2022.
  • K. Hiramatsu, S. Sakamoto, and Y. Watanabe, "Effect of external sound superimposed on the self-excited oscillation in loop-tube type thermoacoustic system," Jpn. J. Appl. Phys., vol. 61, pp. SG1024-1–8, 2022.
  • K. Hiramatsu, S. Sakamoto, and Y. Watanabe, "Mechanism of the heat exchange promotion by superimposing the external sound wave in standing-wave thermoacoustic system," Jpn. J. Appl. Phys., vol. 61, pp. 054501-1–8, 2022.
  • T. Matsumoto and S. Sakamoto, "Study of the reduction of the onset temperature in a loop-tube-type thermoacoustic prime mover using conical phase adjuster. Based study on the installation position and onset temperature of conical phase adjuster," Jpn. J. Appl. Phys., vol. 61, pp. SG1045-1–7, 2022.

2021年

  • Y. Kawashima, S. Sakamoto, R. Onishi, K. Hiramatsu and Y. Watanabe, "Energy conversion in the thermoacoustic system using a stack wetted with water," Jpn. J. Appl. Phys., vol. 60, pp. SDDD05-1–6, 2021.
  • R. Onishi, S. Sakamoto, Y. Kawashima, K. Hiramatsu and Y. Watanabe, "Resonance control by setting a phase adjuster or expanding phase adjuster for improving the performance of coaxial-type thermoacoustic system," Jpn. J. Appl. Phys., vol. 60, pp. SDDD02-1–5, 2021.

2020年

  • K. Shiraki, S. Sakamoto, Y. Kurata, Y. Kawashima, R. Onishi and Y. Watanabe, "Controlling of loop-tube type thermoacoustic system using heat phase adjuster examination of the control mechanism using a physical model of the heat phase adjuster," Jpn. J. Appl. Phys., vol. 59, pp. SKKD04-1–5, 2020.
  • R. Onishi, S. Sakamoto, K. Shiraki, D. Kuroki and Y. Watanabe, "Resonance control of coaxial-type thermoacoustic system by an additional stack," Jpn. J. Appl. Phys., vol. 59, pp. SKKD10-1–6, 2020.
  • Y. Kurata, S. Sakamoto, K. Shiraki, K. Hiramatsu, Y. Kawashima and Y. Watanabe, "Resonance mode control by superposing external sound on the sound in standing-wave type thermoacoustic system," Jpn. J. Appl. Phys., vol. 59, pp. SKKD14-1–7, 2020.
  • S. Miyagi, S. Sugiyama, K. Kozawa, S. Moritani, S. Sakamoto and O. Sakai, "Classifying Dysphagic Swallowing Sounds with Support Vector Machines," Healthcare, vol. 8, no. 103, pp. 1–12, 2020.
  • E. Ikuta, Y. Watanabe, N. Yanagisawa, M. Nakagawa, A. Ono, K. Seki, M. Oowaki, M. Koshiyama and S. Sakamoto, "Measurement of Women’s Leg Edema Using Ultrasonography," Women Health Open J., vol. 6, pp. 5–7, 2020.
  • Y. Kawashima, S. Sakamoto, K. Hiramatsu, D. Kuroki, and Y. Watanabe, "Study on the thermoacoustic system using moisturized stack: energy generation ratio of air and water vapor during system operation," Jpn. J. Appl. Phys., vol. 59, pp. 114501-1–6, 2020.
  • Y. Kawashima, S. Sakamoto, D. Kuroki, K. Shiraki, Y. Kurata and Y. Watanabe, "Study on energy conversion in travelling wave type thermoacoustic system," Jpn. J. Appl. Phys., vol. 59, pp. SKKD06-1–5, 2020.
  • S. Sakamoto, K. Inui, Y. Orino and S. Ueno, "Prototype 29 m long loop-tube-type thermoacoustic prime mover," Jpn. J. Appl. Phys., vol. 59, pp. SKKD05-1–4, 2020.
  • 川島裕斗，坂本眞一，白木一希，倉田侑弥，黒木大地，渡辺好章, 「定在波熱音響システムにおけるスタック内加熱によるエネルギー変換促進-スタック内部温度分布に関する検討-」, Thermal Science and Engineering, vol. 28, no. 1, pp. 1–8, 2020.

2019年

  • Y. Watanabe, M. Koshiyama, K. Seki, M. Nakagawa, E. Ikuta, M. Oowaki and S. Sakamoto, "Development and Themes of Diagnostic and Treatment Procedures for Secondary Leg Lymphedema in Patients with Gynecologic Cancers," Healthcare, vol. 7, no. 101, pp. 1–19, 2019.
  • S. Sakamoto, Yuji Ise, and Y. Orino, "Measurement of heat flow caused by a standing-wave component generated by a thermoacoustic phenomenon," AIP Advances, vol. 9, no. 115006, pp. 1–3, 2019.
  • 小清水孝夫，坂本眞一, 「熱音響デバイスの数値解析におけるスタック温度に対する熱的条件の影響-」, Thermal Science & Engineering, vol. 27, no. 3, pp. 67–76, 2019.
  • D. Kuroki, S. Sakamoto, Y. Takeyama, Y. Watanabe, "Study of the low-temperature driving of a thermoacoustic system: comparison of temperature distributions in the stack with and without water supply," Jpn. J. Appl. Phys., vol. 58, pp. SGGD13-1–5, 2019.
  • M. Sugimoto, S. Sakamoto, Y. Kurata, Y. Kawashima, Y. Watanabe, "Influence of internal heating of stack on the work flow generation in standing wave thermoacoustic system," Jpn. J. Appl. Phys., vol. 58, pp. SGGD06-1–5, 2019.
  • K. Shiraki, S. Sakamoto, Y. Watanabe, "Influence of acoustic impedance in a locally hot region on a thermoacoustic system," Jpn. J. Appl. Phys., vol. 58, pp. SGGD16-1–5, 2019.
  • N. Yanagisawa, M. Koshiyama, Y. Watanabe, S. Sato and S. Sakamoto, "A Quantitative Method to Measure Skin Thickness in Leg Edema in Pregnant Women Using B-Scan Portable Ultrasonography: A Comparison Between Obese and Non-Obese Women," Med. Sci. Monit., vol. 25, pp. 1–9, 2019
  • T. Tanaka, T. Hayashi, T. Nagayama, T. Yanagidaira, and Y. Inui, "Proposal of Novel Degradation Diagnosis Method for Photovoltaic Module Employing Xenon Flash Lighting System and Detector Capacitor," Energy Conversion and Management, vol. 186, pp. 450-461, 2019.

2018年

  • T. Hayashi, T. Nagayama, T. Tanaka, and Y. Inui, "Influence of Degradation in Units of PV Modules on Electric Power Output of PV System," Journal of International Council on Electrical Engineering, vol. 8, no. 1, pp. 118-126, 2018.
  • 乾 義尚, 田中 正志, 平山 智士, 伊藤 大輔, 「ヒートポンプ給湯機併用家庭用SOFC CGSの省エネルギー性評価」, 『電気学会論文誌B（電力・エネルギー部門誌）』, vol. 138, no. 4, pp. 255-264, 2018.
  • 乾 義尚, 中村 大樹, 平山 智士, 伊藤 大輔, 田中 正志, 「等価回路に基づくリチウムイオン電池の電荷移動インピーダンスの温度依存性の検討」, 『第34回エネルギーシステム・経済・環境コンファレンス講演論文集』, 16-3, pp. 341-346, 2018年1月.

2017年

  • T. Tanaka, H. Kamiko, K. Akiba, S. Ito, H. Osaki, M. Yashiro, and Y. Inui, "Energetic Analyses of Installing SOFC Co-generation Systems with EV Charging Equipment in Japanese Cafeteria," Energy Conversion and Management, vol. 153, pp. 435-445, 2017.
  • Y. Inui, S. Sakamoto, and T. Tanaka, "Investigation of Degradation and Voltage Response of Lithium-ion Battery Based on Impedance and Electromotive Force Measurement," Electrical Engineering in Japan, vol. 201, no. 3, pp. 14-24, 2017.
  • T. Hayashi, T. Nagayama, T. Tanaka, and Y. Inui, "Influence of Degradation in Units of PV Modules on Electric Power Output of PV System," in Proc. International Conference on Electrical Engineering 2017 (ICEE 2017), 2017, Paper No. 201702200000050.

2016年

  • 乾 義尚, 坂本 眞一, 田中 正志, 「インピーダンスと起電力測定に基づくリチウムイオン電池の劣化と電圧応答の解析」, 『電気学会論文誌B（電力・エネルギー部門誌）』, vol. 136, no. 7, pp. 636-644, 2016.
  • S. Ueno, S. Sakamoto, Y. Orino, T. Wada, Y. Inui, and Y. Watanabe, "Effect of Input Power on Cooling Property of a Thermoacoustic Cooling System with Diameter-expanded Prime Movers," Japanese Journal of Applied Physics, vol. 55, no. 7S2, 07KE13, 2016.
  • S. Hirayama, T. Fujino, M. Ishikawa, T. Mori, and H. Kawano, "Numerical Study of Arc in SF6 Gas Circuit Breaker with Externally Applied Magnetic Field," IEEJ Transactions on Electrical and Electronic Engineering, vol. 11, no. 4, pp. 410-416, 2016.
  • T. Nagayama, A. Sugaya, N. Iwata, T. Tanaka, and Y. Inui, "Development of PV Performance Evaluation Equipment Using Xe Flash Lamp and CR Series Circuit," in Proc. International Conference on Electrical Engineering 2016 (ICEE 2016), 2016, ID 90040.
  • S. Hirayama and Y. Inui, "Numerical Simulation of Rotary Arc Plasma in a Laval Nozzle," in Proc. International Conference on Electrical Engineering 2016 (ICEE 2016), 2016, ID 90329.
  • D. Ito, T. Ueta, T. Kousaka, and K. Aihara, "Bifurcation Analysis of the Nagumo-Sato Model and its Coupled Systems," International Journal of Bifurcation and Chaos, vol. 28, no. 3, 1630006, 2016.
  • 夏原 悠佑, 平山 智士, 伊藤 大輔, 坂本 眞一, 乾 義尚, 田中 正志, 「蓄電池併用PCSに組み込まれたリチウムイオン電池の簡易劣化診断手法の提案」, 『平成28年電気学会全国大会講演論文集』, 7-054, 2016.
  • 伊勢 裕司, 坂本 眞一, 折野 裕一郎, 藤井 樹, 平山 智士, 伊藤 大輔, 乾 義尚, 渡辺 好章, 「強制駆動直管型熱音響システムの冷却性能向上へ向けた検討 ―3Dプリンタースタックを用いた波長とスタック長の関係―」, 『電子情報通信学会技術研究報告』, vol. 115, no. 423, US2015-98, pp. 83-86, 2016.

2015年

  • T. Ishino, S. Sakamoto, Y. Orino, Y. Inui, and Y. Watanabe, "Effect of the Relative Installation Position of Two Enlarged Prime Movers on the Onset Temperature in Loop-tube-type Multistage Thermoacoustic System," Japanese Journal of Applied Physics, vol. 54, no. 7S1, 07HE11, 2015.
  • T. Tanaka, S. Ito, M. Muramatsu, T. Yamada, H. Kamiko, N. Kakimoto, and Y. Inui, "Accurate and Versatile Simulation of Transient Voltage Profile of Lithium-ion Secondary Battery Employing Internal Equivalent Electric Circuit," Applied Energy, vol. 143, pp. 200-210, 2015.
  • D. Ito, M. Sekikawa, T. Kousaka, T. Ueta, and H. Kawakami, "Bursting of Transition Dynamics on Series Coupled Two Operational Amplifiers," in Proc. 2015 International Symposium on Nonlinear Theory and its Applications (NOLTA 2015), 2015, pp. 181-184.
  • S. Ito, T. Tanaka, Y. Yamamoto, Y. Watahiki, N. Kakimoto, and Y. Inui, "Study on Current Sharing and Degradation Progress of Parallel-connected Li-ion Secondary Batteries with Different Degradation Levels," in Proc. International Conference on Electrical Engineering 2015 (ICEE 2015), 2015, ICEE15A-249.
  • 乾 義尚, 桝田 義久, 坂本 眞一, 田中 正志, 「リチウムイオン電池充放電時の発熱量の詳細推定法と簡易推定法の比較」, 『第56回電池討論会講演要旨集』, 1M22, p. 18, 2015.
  • 伊藤 大輔, 美井野 優, 上田 哲史, 「双極型ロジスティックカオスニューロンを用いたIsingネットワークの分岐」, 『電子情報通信学会技術報告』, NC2015-27, pp. 59-62, 2015.
  • 平山 智士, 伊藤 大輔, 坂本 眞一, 乾 義尚, 「自励振動方式SF6遮断器における直流アークに関する数値解析」, 『電気学会新エネルギー・環境研究会資料』, FTE-15-049, 2015.
  • 乾 義尚, 桝田 義久, 坂本 眞一, 田中 正志, 「リチウムイオン電池発熱量の詳細推定法と簡易推定法の比較」, 『第34回エネルギー・資源学会研究発表会講演論文集』, 2-2, pp. 17-22, 2015.
  • 石野 達也, 坂本 眞一, 折野 裕一郎, 家田 優作, 乾 義尚, 渡辺 好章, 「ループ管方式熱音響システムにおいて管の内径が与える影響についての一考察」, 『日本音響学会2015年春季研究発表会講演論文集』, 2-7-11, pp. 1317-1318, 2015.
  • 折野 裕一郎, 坂本 眞一, 上野 草, 乾 義尚, 渡辺 好章, 「Phase Adjusterを設置したループ管方式熱音響プライムムーバーの管内音場における散逸の検討」, 『日本音響学会2015年春季研究発表会講演論文集』, 2-7-12, pp. 1319-1320, 2015.
  • 石野 達也, 坂本 眞一, 折野 裕一郎, 長尾 友裕, 乾 義尚, 渡辺 好章, 「熱音響サイレンサーにおいて入力音圧が消音効果に与える影響についての基礎検討」, 『日本音響学会2015年春季研究発表会講演論文集』, 3-P-38, pp. 1253-1254, 2015.

2014年

  • 折野 裕一郎, 坂本 眞一, 乾 義尚, 池之上 卓己, 渡辺 好章, 「熱音響システムにおけるPhase Adjusterの音響特性に関する検討 －直管強制駆動による線型モデルの評価－」, 『日本音響学会誌』, vol. 70, no. 8, pp. 426-432, 2014.
  • Y. Orino, S. Sakamoto, Y. Inui, T. Ikenoue, and Y. Watanabe, "Numerical Analysis of the Effect of Local Diameter Reduction on the Critical Temperature of Thermoacoustic Oscillations in a Looped Tube," Japanese Journal of Applied Physics, vol. 53, no. 7S1, 07KE13, 2014.
  • T. Ikenoue, S. Sakamoto, and Y. Inui, "Fabrication and Characterization of Cu2O, ZnO and ITO Thin Films Toward Oxide Thin Film Solar Cell by Mist Chemical Vapor Deposition Method," Physica Status Solidi C, vol. 11, no. 7-8, pp. 1237-1239, 2014.
  • T. Ikenoue, S. Sakamoto, and Y. Inui, "Fabrication and Characteristics of p-type Cu2O Thin Films by Ultrasonic Spray-assisted Mist CVD Method," Japanese Journal of Applied Physics, vol. 53, no. 5S1, 05FF06, 2014.
  • T. Tanaka, H. Kamiko, T. Bando, A. Zaffirah, N. Kakimoto, Y. Inui, and T. Maeda, "Energetic Analysis of SOFC Co-generation System Integrated with EV Charging Station Installed in Multifamily Apartment," International Journal of Hydrogen Energy, vol. 39, no. 10, pp. 5097-5104, 2014.
  • S. Sakamoto, Y. Orino, S. Kawamoto, Y. Inui, T. Ikenoue, and Y. Watanabe, "A Prototype of Step-shaped-type Miniature Thermoacoustic Prime Mover –A Basic Study of the Influence of the Installation Position of the Stack–," in Proc. 7th Forum Acusticum 2014, 2014, R14_1.
  • 秋葉 一輝, 八代 真樹, 神子 裕明, 田中 正志, 垣本 直人, 乾 義尚, 「ガスリークを考慮した平板型固体酸化物形燃料電池の2次元シミュレーション」, 『平成26年度電気学会東京支部茨城支所研究発表会講演論文集』, PC02, 2014.
  • 乾 義尚, 松元 亮, 桝田 義久, 坂本 眞一, 田中 正志, 「インピーダンスと起電力に基づくリチウムイオン電池の劣化と電圧応答の検討」, 『第55回電池討論会講演要旨集』, 3F08, 2014.
  • 乾 義尚, 松元 亮, 桝田 義久, 坂本 眞一, 田中 正志, 「インピーダンスと起電力測定に基づくリチウムイオン電池の劣化と電圧応答の解析」, 『電気学会電力技術・電力系統技術合同研究会資料』, PE-14-150・PSE-14-150, pp. 117-122, 2014.
  • 乾 義尚, 松元 亮, 中村 直登, 池之上 卓己, 坂本 眞一, 田中 正志, 「インピーダンスと起電力に基づくリチウムイオン電池の劣化プロセスと電圧応答の検討」, 『第33回エネルギー・資源学会研究発表会講演論文集』, 16-1, pp. 265-270, 2014.

2013年

  • T. Tanaka, Y. Inui, and N. Chitose, "Numerical Simulation of Intermediate-Temperature Disk Type Seal-Less SOFC Fed with Partially Reformed Methane," IEEJ Transactions on Electrical and Electronic Engineering, vol. 8, no. 6, pp. 567-573, 2013.
  • 折野 裕一郎, 坂本 眞一, 乾 義尚, 渡辺 好章, 「熱音響システムにおけるPhase Adjusterの音響特性に関する実験的検討 －異なる設置条件における振幅依存特性－」, 『電子情報通信学会技術研究報告』, US2014-79, pp. 27-32, 2013.