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2005 Fiscal Year Final Research Report Summary

Development of a Heat Recovery System Utilizing Heat Transport and Thermoelectric Devices

Research Project

Project/Area Number 13852008
Research Category

Grant-in-Aid for Scientific Research (S)

Allocation TypeSingle-year Grants
Research Field Thermal engineering
Research InstitutionThe University of Tokyo

Principal Investigator

NISHIO Shigefumi  The University of Tokyo, Institute of Industrial Science, Professor, 生産技術研究所, 教授 (00111568)

Co-Investigator(Kenkyū-buntansha) AIZAWA Tatsuhiko  The University of Tokyo, Center of Collaborative Research, Professor, 国際・産学共同研究センター, 教授 (10134660)
SHIRAKASI Ryo  The University of Tokyo, Institute of Industrial Science, Associate Professor, 生産技術研究所, 助教授 (80292754)
Project Period (FY) 2001 – 2005
KeywordsEnergy Utilization / Low-Temperature Waste Heat / Heat Pipe / Thermoelectric Device / Soft Engine
Research Abstract

The amount of low-temperature waste heat in Japan was estimated using statistical energy data and it was found that the amount of low-temperature waste heat higher than 573K was at least 7% of the total amount of primary energy and the amount at 358-573K was at least 4%.
SEMOS heat pipes were chosen as the heat transport device for heat recovery of low-temperature waste heat because its outer heat transfer was expected to be improved remarkably by reducing its outer diameter. It was proved that the heat transport characteristics of micro and short SEMOS heat pipes with R141b as the operating fluid were independent of orientation. Its typical outer diameter was 0.5mm. A high temperature type of the micro and short SEMOS heat pipe working at temperatures up to 520K was developed and it was proved that it operated well under both top and bottom heating modes worked at high temperatures. A numerical simulation based on a unit consisting of a vapor plug and a liquid slug was developed to est … More imate the heat transport characteristics of SEMOS heat pipes.
The solid state processing was developed with success to synthesize and fabricate various types of thermoelectric semi-conductive compounds and alloys. At first, it was found that Zn-Sb compounds can attain high ZT in the middle range of temperature from 400K to 800K. New solid-state processing was proposed and it was proved that the process can solve the intrinsic problem to the thermoelectric materials : trade-off-balancing between thermoelectricity and strength. New module manufacturing process was proposed to produce crack-free module interface between thermoelectric materials and electrodes.
A soft engine was developed with a Bi-Te thermoelectric module and two sets of the micro and short SEMOS heat pipe. One of the two heat pipes was the heating heat pipe and the other the cooling heat pipe. The heating heat pipe was attached to the heating surface of the module and it transported recovered heat to the heating surface. The cooling heat pipe was attached the other surface, that is the cooling surface of the module, and it transported heat from the cooling surface to cold water. Effective thermal conductivities of the heat pipes were as high as 100 times of the thermal conductivity of copper but the efficiency of the soft engine was 0.86%. Less

  • Research Products

    (37 results)

All 2006 2005 2004 2003 2002 2001 Other

All Journal Article (36 results) Book (1 results)

  • [Journal Article] Solid state synthesis of ternary thermoelectric magnesium alloy, Mg^2Si^1^-^XSn^X2006

    • Author(s)
      T.Aizawa.R.Song, A.Yamamoto
    • Journal Title

      Materials Transactions (in press)

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Mechanically induced reaction for solid-state synthesis of Mg^2Si and Mg^2Sn2006

    • Author(s)
      T.Aizawa, R.Song
    • Journal Title

      Journal of Intermetallics 14(4)

      Pages: 382-391

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Solid state synthesis of ternary thermoelectric magnesium alloy, Mg2Sil-xSnx2006

    • Author(s)
      T.Aizawa, R.Song, A.Yamamoto
    • Journal Title

      Materials Transactions (accepted ; in press)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Mechanically induced reaction for solid-state synthesis of Mg2Si and Mg2Sn2006

    • Author(s)
      T.Aizawa, R.Song
    • Journal Title

      J. Intermetallics 14(4)

      Pages: 328-391

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Texture control of bulk mechanical alloyed Bi-Te thermoelectric materials via shear extrusion2005

    • Author(s)
      S.S.Kim, T.Aizawa
    • Journal Title

      Journal of Metastable and Nanocrystalline Materials 24-25

      Pages: 197-200

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Solid-state synthesis of Mg^2Si^1^-^XY^X (Y = Ge and Si) thermoelectric materials via bulk mechanical alloying2005

    • Author(s)
      R.B.Song, T.Aizawa, A.Yamamoto, T.Obara
    • Journal Title

      Journal of Metastable and Nanocrystalline Materials 24-25

      Pages: 347-350

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Solid-state synthesis of Mg-Si-Ge ternary thermoelectric materials2005

    • Author(s)
      T.Aizawa, R.Song, A.Yamamoto
    • Journal Title

      Materials Transactions 46(7)

      Pages: 1490-1496

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] 電子・通信機器の統合熱管理システム2005

    • Author(s)
      西尾茂文
    • Journal Title

      ヒートパイプ技術 28(1)

      Pages: 10-26

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Experimental and theoretical evalution on thermoelecricity for SPS-joined p-n module in Bi-Te system2005

    • Author(s)
      S.S.Kim, S.Yamamoto, T.Aizawa, A.Yamamoto
    • Journal Title

      Materials Transactions 46(7)

      Pages: 1506-1513

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Texture control of bulk mechanical alloyed Bi-Te thermoelectric materials via shear extrusion2005

    • Author(s)
      S.S.Kim, T.Aizawa
    • Journal Title

      J. Metastable and Nanocrystalline Materials 24-25

      Pages: 197-200

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Solid-state synthesis of Mg2Sil-xYx (Y=Ge and Si) thermoelectric materials via bulk mechanical alloying2005

    • Author(s)
      R.B.Song, T.Aizawa, A.Yamamoto, T.Obara
    • Journal Title

      J. Metastable and Nanocrystalline Materials 24-25

      Pages: 347-350

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Integrated Thermal-Control System for Electronic and Information Equipments2005

    • Author(s)
      S.Nishio
    • Journal Title

      Heat Pipe Technology 28(1)

      Pages: 10-26

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Experimental and theoretical evaluation on thermoelectricity for SPS-joined p-n module in Bi-Te system2005

    • Author(s)
      S.Kim, S.Yamamoto, T.Aizawa, A.Yamamoto
    • Journal Title

      Materials Transactions 46(7)

      Pages: 1506-1513

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Thermoelectric properties of anisotropy-controlled p-type Bi-Te-Sb system via bulk mechanical allying and shear extrusion2004

    • Author(s)
      S.S.Kim, S.Yamamoto, T.Aizawa
    • Journal Title

      Journal of Alloys and Compounds 375(1-2)

      Pages: 107-113

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] critical Heat Transport Rate of Micro SEMOS Heat Pipe2004

    • Author(s)
      S.Nagata, S.Wang, J.Xu, S.Nishio
    • Journal Title

      Thermal Science and Enginerin g 12・4

      Pages: 65-66

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Crystallographic anisotropy control of n-type Bi-Te-Se thermoelectric material via bulk mechanical alloying and shear extrusion2004

    • Author(s)
      S.S.Kim, T.Aizawa
    • Journal Title

      Materials Transaction 45(3)

      Pages: 918-924

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Thermoelectric properties of Bi-Te based materials prepared by bulk mechanical alloying2004

    • Author(s)
      S.S.Kim, S.Yamamoto, T.Aizawa
    • Journal Title

      Trans. MRS-Japan 29(6)

      Pages: 2789-2792

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Solid state synthesis of non-equilibrium phase in Mg-Co and Mg-Fe systems via bulk mechanical alloying2004

    • Author(s)
      T.Aizawa, K-I.Hasehira, C.Nishimura
    • Journal Title

      Mater. Trans 44(4)

      Pages: 2003

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Thermoelectric properties of anisotropy-controlled p-type Bi-Te-Sb system via bulk mechanical alloying and shear extrusion2004

    • Author(s)
      S.S.Kim, S.Yamamoto, T.Aizawa
    • Journal Title

      J. Alloys and Compounds 375(1-2)

      Pages: 107-113

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Critical Heat Transport Rate of Micro SEMOS Heat Pipe2004

    • Author(s)
      S.Nagata, S.Wang, J.Xu, S.Nishio
    • Journal Title

      Thermal Science and Engineering 12(4)

      Pages: 65-66

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Study of themal characteristics of bubble-driven heat-transport device2003

    • Author(s)
      S.Nisio, S.Nagata, S.Numata, R.Shirakashi
    • Journal Title

      Hear Transfer-Asian Research 32(2)

      Pages: 167-177

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Solid state synthsis of non-equilibrium Mg2Co via bulk mechanical alloying2003

    • Author(s)
      T.Aizawa, H.Hasehira
    • Journal Title

      Materials Science Forum 419-422

      Pages: 989-994

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Micro Thermal System2003

    • Author(s)
      S.Nishio
    • Journal Title

      Thermal Science and Engineering 11(3)

      Pages: 1-7

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Cold coating of magnesium base alloy films by ion beam sputtering2003

    • Author(s)
      A.Mitsuo, T.Aizawa
    • Journal Title

      Materials Science Forum 419-422

      Pages: 927-930

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] マイクロ熱システムの内包2003

    • Author(s)
      西尾茂文
    • Journal Title

      日本機会学会論文集 69(B編)(679)

      Pages: 53-540

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Study of thermal characteristics of bubble-driven heat-transport device2003

    • Author(s)
      S.Nishio, S.Nagata, S.Numata, R.Shirakashi
    • Journal Title

      Heat Transfer-Asian Research 32(2)

      Pages: 167-177

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Solid state synthesis of non-equilibrium Mg2Co via bulk mechanical alloying2003

    • Author(s)
      T.Aizawa, H.Hasehira
    • Journal Title

      Materials Science Forum 419-422

      Pages: 989-994

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Solid state synthesis of non-equilibrium phase in Mg-Co and Mg-Fe systems via bulk mechanical alloying2003

    • Author(s)
      T.Aizawa, K-I.Hasehira, C.Nishimura
    • Journal Title

      Mater. Trans 44(4)

      Pages: 601-610

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Micro Thermal Systems2003

    • Author(s)
      S.Nishio
    • Journal Title

      Thermal Science and Engineering 11(3)

      Pages: 1-7

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Connotation of Micro thermal systems2003

    • Author(s)
      S.Nishio
    • Journal Title

      Trans. JSME 69B(679)

      Pages: 535-540

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] SEMOS Heat Pipeに関する研究2002

    • Author(s)
      西尾茂文, 永田真一, 馬場文朗
    • Journal Title

      日本機会学会論文集 68(B編)(671)

      Pages: 2086-2092

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Study of SEMOS Heat Pipe2002

    • Author(s)
      S.Nishio, S.Nagata, S.Baba
    • Journal Title

      Trans. JSME 68B(671)

      Pages: 2086-2092

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Nano-Structured materials via bulk mechanical alloying2001

    • Author(s)
      T.Aizawa, K.Kondoh
    • Journal Title

      Scripta Materia. 44

      Pages: 1751-1755

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Effect of processing parameters on thermoelectric properties of p-type (Bi2Te3)0.25 (Sb2Te3)0.75 prepared via BMA-HP method2001

    • Author(s)
      J.Y.Yang, T.Aizawa, A.Yamamoto, T.Ohta
    • Journal Title

      Materials Chemistry and Physics 70

      Pages: 90-94

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Nano-structured materials via bulk mechanical alloying2001

    • Author(s)
      T.Aizawa, K.Kondoh
    • Journal Title

      Scripta materia. 44

      Pages: 1751-1755

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Nano-Structuring for materials processing and metal forming. Recent Advancement of Nanometals and Their Applications (Ch.3)

    • Author(s)
      T.Aizawa
    • Journal Title

      CMC

      Pages: 201-208

    • Description
      「研究成果報告書概要(欧文)」より
  • [Book] ナノメタルの最新技術と応用開発(3章)2003

    • Author(s)
      相澤 龍彦
    • Total Pages
      8
    • Publisher
      シーエムーシー出版
    • Description
      「研究成果報告書概要(和文)」より

URL: 

Published: 2007-12-13  

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