For understanding of the working mechanism of acoustical heat engine and itsapplications-direct observation of energy conversion

• Project/Area Number: 19560045
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied physics, general
• Research Institution: Aichi University of Education
• Principal Investigator: YAZAKI Taichi Aichi University of Education, 教育学部, 教授 (20144181)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
• Keywords: 音 / 音の熱機関 / エネルギー変換 / 熱音響現象 / 非平衡熱力学 / スターリングエンジン / 定在波エンジン / パルス管エンジン / 散逸構造 / 非線形・非平衡 / 細管内音波伝播 / 定在波音波・進行波音波

Research Abstract

熱音響現象を「音の熱機関」と捉えることによって, 熱機関(エンジン)を理解する新しい概念(仕事流束および熱流)が生まれた。「パルス管エンジン」内部で仕事流束を計測することによってエネルギー変換を直接観測することができた。熱機関を定在波型と進行波型に分類し仕事源を特定することは, 熱機関を応用・発展するためには極めて重要であることが明らかになった。

Research Products

• [Journal Article] 熱音響エンジンとStirlingエンジン-エンジンを理解するための新しい概念-(解説) (2008)
  • Author(s): 矢崎太一
  • Journal Title: 低温工学学会誌 vol.24, no.12 Pages: 509-516
  • Peer Reviewed
• [Journal Article] Experimental verification of a two-sensor acoustic intensity measurement in lossy ducts (2008)
  • Author(s): T. Biwa, Y. Tashiro, H. Nomura, Y. Ueda and T. Yazaki
  • Journal Title: J. Acoust. Soc. Am vol.124 Pages: 1584-1590
  • NAID: 120002235911
  • Peer Reviewed
• [Journal Article] Observation of thermoacoustic energy conversion (2008)
  • Author(s): Y. Tahsiro, T. Biwa and T. Yazaki
  • Journal Title: J. Power and Energy Systems vol.2 Pages: 1261-1266
  • NAID: 130000073013
  • Peer Reviewed
• [Journal Article] How does Stirling engine work (2008)
  • Author(s): T. Biwa, Y. Tashiro and T. Yazaki
  • Journal Title: J. Power and Energy Systems vol.2 Pages: 1254-1260
  • NAID: 130000073012
  • Peer Reviewed
• [Journal Article] Measurement of work generation and improvement in performance of a pulse tube engine (2008)
  • Author(s): K. Hamaguchi, H. Futagi, T. Yazaki, and Y. Hiratsuka
  • Journal Title: J. Power and Energy Systems vol.2 Pages: 1267-1275
  • NAID: 130000073014
  • Peer Reviewed
• [Journal Article] 熱音響エンジンとStirlingェンジン-エンジンを理解するための新しい概念-(解説) (2008)
  • Author(s): 矢崎太一
  • Journal Title: 低温工学誌 24 Pages: 509-516
  • Peer Reviewed
• [Journal Article] Experimental verification of a two-sensor acoustic intensity measurement in lossy ducts. (2008)
  • Author(s): T. Biwa
  • Journal Title: Journal of Acoustical Society of America 124 Pages: 1584-1590
  • Peer Reviewed
• [Journal Article] Observation of thermoacoustic energy conversion. (2008)
  • Author(s): Y. Tashiro
  • Journal Title: Journal of Power and Energy Systems 2 Pages: 1261-1266
  • Peer Reviewed
• [Journal Article] Measurements of sound propagation in narrow tubes (2007)
  • Author(s): T. Yazaki, Y. Tashiro and T. Biwa
  • Journal Title: Proc. Royal Society Lond., A vol.463 Pages: 2855-2862
  • Peer Reviewed
• [Journal Article] Acoustic intensity measurement in a narrow duct by a two-sensor method (2007)
  • Author(s): T. Biwa, Y. Tashiro, H. Nomura, Y. Ueda and T. Yazaki
  • Journal Title: Rev. Sci. Inst vol.78 Pages: 861101-3
  • Peer Reviewed
• [Journal Article] Intensity measurement of a periodic shock wave in a resonator (2007)
  • Author(s): T. Biwa and T. Yazaki
  • Journal Title: 19^<th> International Congress on Acoustics Madrid 2-7 Sept Pages: 1-4
  • Peer Reviewed
• [Journal Article] Measurements of sound propagation in narrow tubes (2007)
  • Author(s): T.Yazaki
  • Journal Title: Proceedings of The Royal Society A 463 Pages: 2855-2864
  • Peer Reviewed
• [Journal Article] Acoustic intensity measurement in a narrow duct by a two-sensor method (2007)
  • Author(s): T.Biwa
  • Journal Title: Review of Scientific Instruments 78
  • Peer Reviewed
• [Journal Article] Determination of a response function of a thermocouple using a short acoustic pulse (2007)
  • Author(s): Y.Tashiro
  • Journal Title: Journal of The Acoustical Society of America 121 Pages: 1956-1959
  • Peer Reviewed
• [Presentation] パルス管エンジンにおける仕事流測定 (2008)
  • Author(s): 吉田隆昌, 矢崎太一, 二木洋光, 濱口和洋
  • Organizer: 第11回スターリングサイクルシンポジウム
  • Place of Presentation: 国士舘大学
  • Year and Date: 2008-11-05
• [Presentation] パルス管エンジンにおける仕事流測定 (2008)
  • Author(s): 吉田隆昌
  • Organizer: 第11回スターリングサイクルシンポジウム(日本機械学会)
  • Place of Presentation: 国士舘大学
  • Year and Date: 2008-11-05
• [Presentation] 熱音響系で観測されてた同期現象(招待) (2008)
  • Author(s): 矢崎太一
  • Organizer: 振動流エネルギ変換・輸送現象研究会
  • Place of Presentation: 同志社大学
• [Presentation] スターリングエンジンの熱音響的理解 (2007)
  • Author(s): 琵琶 哲志
  • Organizer: 低温工学, 超伝導学会
  • Place of Presentation: 宮城県民会館
  • Year and Date: 2007-11-20
• [Presentation] Intensity measurement of a periodic shock wave in a resonator (2007)
  • Author(s): T. Biwa and T. Yazaki
  • Organizer: 19^<th> International Congress on Acoustics Madrid
  • Place of Presentation: (Madrid, 2-7)