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1996 Fiscal Year Final Research Report Summary

Continuous/Intermittent Combustion of Liquid Fuel in Porous Body and Innovative Application to Heat Engines

Research Project

Project/Area Number 06508002
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section試験
Research Field エネルギー学一般・原子力学
Research InstitutionTokyo Institute of Technology

Principal Investigator

ECHIGO Ryozo  Tokyo Institute of Technology, Faculty of Engineering, Prof., 工学部, 教授 (70037737)

Co-Investigator(Kenkyū-buntansha) TAKEDA Toshikazu  Isuzu Advanced Eng.Center., , Res.Eng., 材料研究部, 主席研究員
KAMIUTO Kouichi  O-ita, Univ., Fac.Eng., Assoc., 工学部, 教授 (20038029)
TADA Shigeru  Tokyo Institute of Technology, Faculty of Engineering, Res.Assoc., 工学部, 助手 (70251650)
KOBAYASHI Kenichi  Tokyo Institute of Technology, Faculty of Engineering, Res.Assoc., 工学部, 助手 (10242273)
YOSHIDA Hideo  Tokyo Institute of Technology, Faculty of Engineering, Assoc.Prof., 工学部, 助教授 (50166964)
TAKANAMI Katsuji  Isuzu Advanced Eng.Center., , Exec.Dirct.
Project Period (FY) 1994 – 1996
Keywordsporous body / condensation-evaporation processes / diffusion combustion / flammable limit / reciprocating flow
Research Abstract

The recent progresses on combustion researches in porous media have brought about effective utilization of energy as well as remarkable reduction of exhaust pollutants. However, these studies have all been more or less limited to the homogeneous premixture combustion of gaseous fuel. In this study liquid droplets combustion is developed to investigate detaild combustion processes such as heat transfer mechanism, evaporation, diffusion and subsequent combustion.
In first year experimental and theoretical researches have been executed to extend a flammable limit of extraordinary lean mixture and to mitigate the energy input for self-sustain combustion in the porous system of reciprocating flow regime.
In second fiscal year standardized basic experimental work has been conducted in O-ita University on the diffusion combustion prior to the other related researches through the world. In consequence, some important prominent features have been elucidated the effects of porous body on the extremely low NO_x emission and also on the combustion enhancement for low quality combustible materials.
In last fiscal year a new concept has been proposed to realize the constant temperature expansion combustion in reciprocating engines and/or gas turbines which results in higher energy conversion ratio to mechanical power and extended discussions on the thermodynamic cycle.

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] Echigo,R.,Yoshida,H.and Yun,J.H.: "Transient Heat and Mass Transfer with Condensable Vapor in Porous Media." Proc.10th International Heat Transfer Conference,Brighton,U.K.5. 231〜236 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hoffmann,J.G.,Echigo,R.,Yoshida,H.and Tada,S.: "Analytical Study on Flammable Limits of Reciprocating Superadiabatic Combustion in Porous Media" Transport Phenomena in Combustion. 2. 1430〜1440 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 上宇都幸一,小川哲矢,宮本伸治,斎藤晋一: "多孔体内拡散燃焼に関する研究(第1報 Burke-Schumanモデルによる解析)" 第34回燃焼シンポジウム講演論文集. 5〜7 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hoffmann,J.G.,Echigo,R.,Tada,S.and Yoshida,H.: "Analytical Study on Flame Stabilization in Reciprocating Combustion in Porous Media with High Thermal Conductivity" Proc.26th Int.Sympo.on Combustion. (印刷中). (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hoffmann,J.G.,Echigo,R.,Yoshida,H.and Tada,S.: "Experimental Study on Combustion in Porous Media with a Reciprocating Flow System" Combustion and Flame. (発表予定). (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Martynenko,V.V.,Echigo,R.and Yoshida,H.: "Mathematical Model of Self-sustaining Combustion in Inert Porous Medium with Phase Change under Complex Heat Transfer" Int.J.Heat and Mass Transfer. (発表予定). (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Echigo, R., Yoshida, H.and Yun, J.H.: "Transient Heat and Mass Transfer with Condensable Vapor in Porous Media" vol.5. 231-236 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hoffmann, J.G., Echigo, R., Yoshida, H.and Tada, S.: "Analytical Study on Flammable Limits of Reciprocating Superadiabatic Combustion in Porous Media" Transport Phenomena in Combustion. vol.2. 1430-1440 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hoffmann, J.G., Echigo, R., Tada, S.and Yoshida, H.: "Analytical Study on Flame Stabilization in Reciprocating Combustion in Porous Media with High Thermal Conductivity" Proc.26^<th>Int.Sympo.on Combustion. (in printing). (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hoffmann, J.G., Echigo, R., Yoshida, H.and Tada, S.: "Experimental Study on Combustion in Porous Media with a Reciprocating Flow System" Combustion and Flame. (to be published). (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Martynenko, V.V., Echigo, R.and Yoshida, H.: "Mathematical Model of Self-sustaining Combustion in Inert Porous Medium with Phase Change under Complex Heat Transfer" Int.J.Heat and Mass Transfer. (to be published). (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Martynenko, V.V., Echigo, R.and Yoshida, H.: "Mathematical Model of Self-sustaining Combustion in Inert Porous Medium with Phase Change under Complex Heat Transfer" Int.J.Heat and Mass Transfer. (to be published). (1997)roc.10^<th>International Heat Transfer Conference, Brighton, U.K.

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

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Published: 1999-03-09  

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