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1992 Fiscal Year Final Research Report Summary

Experimental study of single acting displacer type Stirling engine for agriculture driven by combustion heat of biomass

Research Project

Project/Area Number 02556031
Research Category

Grant-in-Aid for Developmental Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 農業機械
Research InstitutionThe University of Tokyo.

Principal Investigator

OKUMOTO Tsuguo  The University of Tokyo, Department of Agric., Assistant Professor., 農学部, 助教授 (40031215)

Co-Investigator(Kenkyū-buntansha) TORII Toru  The University of Tokyo, Dept, Agric., Instructor, 農学部, 助手 (60172227)
KITANI Osamu  The University of Tokyo, Dept, of Agric., Professor., 農学部, 教授 (00024539)
Project Period (FY) 1990 – 1992
KeywordsStirling engine / Regenerator / Matrix element / Displacer / Aerodynamic friction / P-V diagram / Indicated power / Net power
Research Abstract

An experimental Stirling engine driven by combustion heat of biomass was tested. It was a single acting displacer type model and had a power bellows and a displacer piston with two separate cylinders connected by a crank mechanism. The tested engine had a stainless steel bellows element as its power actuator to prevent gas leakage and to decrease friction loss at sealing. The displacer with a builtin regenerator was constructed in the form of a double cylindrical piston into which the regenerative matrix element was packed.
Output performance using four types of materials were greatly influenced by the gas pressure drop caused by aerodynamic friction as the working gas passed through the pore space in the matrix element. The output power, i.e. the indicated power and net power, increased as the density of packed element rose, though the power loss also increased. This was due to the reason why the effectiveness of thermal improvement by the regenerative effect of higher density overcame the drawback of greater aerodynamic friction loss.

  • Research Products

    (10 results)

All Other

All Publications (10 results)

  • [Publications] Tae Han Kim et,al,: "Inflnences of Regenerator Matrix Element on Output Performance of Stirling Engine" 農業機械学会誌. 55(2). 3-11 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 岡本 嗣男,金 泰漢,木谷 収: "バイオマスを燃料とする農業用スターリング機関に関する基礎的研究(第2報)" 農業機械学会誌. 53(4). 3-9 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 岡本 嗣男,金 泰漢,木谷 収: "バイオマスを燃料とする農業用スターリング機関に関する基礎的研究(第1報)" 農業機械学会誌. 52(4). 3-10 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 岡本 嗣男,木谷 収: "スターリング機関の性能予測のためのシミュレーションモデルについて," 農業機械学会誌. 52(1). 31-39 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 岡本 嗣男,木谷 収,金 泰漢: "バイオマスを利用した小形スターリング機関について" 農業機械学会誌. 51(1). 5-12 (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tae Han Kim et.al..: "Influences of Regenerator Matrix Element on Output Performance of Stirling Engine" J. of Japanese Society of Agricultural Machinery. 55(2). pp3-11 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsuguo Okamoto et.al.: "Basic Studies on Stirling Engine Using Combustion Heat of Biomass (Part 2)" J. of Japanese Society of Agricultural Machinery. 53(4). pp3-9 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsuguo Okamoto et.al.: "Basic Studies on Stirling Engine Using Combustion Heat of Biomass (Part 1)" J. of Japanese Society of Agricultural Machinery. 52(4). pp3-10 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsuguo Okamoto et.al: "Simulation Model for Stirling Engine to Estimate its Performance" J. of Japanese Society of Agricultural Machinery. 52(1). pp31-39 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsuguo Okamoto et.al.: "Stirling Cycle Engine for Combustion Heat of Biomass" J. of Japanese Society of Agricultural Machinery. 51(1). pp5-12 (1989)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1994-03-24  

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