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Introduction of new concept of moisture flux in evaluation of humidity control performance and development of measurement technique by ventilation capsule method

Research Project

Project/Area Number 18K04459
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 23020:Architectural environment and building equipment-related
Research InstitutionMaebashi Institute of Technology

Principal Investigator

Mitamura Teruaki  前橋工科大学, 工学部, 准教授 (10406027)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords調湿性能 / 換気カプセル法 / 湿流束 / 模型実験 / 現場測定
Outline of Final Research Achievements

In this study, we developed the device that applies the principle of the ventilation capsule method to evaluate moisture buffering effect and conducted a basic study of the device by model experiments. In addition, we measured the amount of moisture absorbed and desorbed on the wall surface of the house using the developed device and compared the amount of moisture absorbed and desorbed depending on the measurement position and interior finish. In the model experiment, the size of the capsule with the highest measurement accuracy and the ventilation rate inside the capsule were calculated. Measurements in the house revealed that the amount of moisture absorbed and desorbed per day was larger and the amount of moisture desorbed was smaller at a position with a lower floor height. Regarding the difference in interior finish, it was found that vinyl cloth repeatedly absorbs and desorbs moisture, whereas diatomaceous earth constantly absorbs moisture, and the amount was large.

Academic Significance and Societal Importance of the Research Achievements

実建物における周壁からの吸放湿量を扱った研究事例は少なく,本研究で開発した調湿性能評価装置により,これまで困難であった居住住宅での周壁からの吸放湿の変化量や吸湿・放湿の向きを直接計測することが可能となり,実環境下での吸放湿の状況を詳細に把握することができるようになるため,今後の住宅居室における調湿性能評価の研究発展や室内環境の設計手法に寄与するところが大きい。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report

Research Products

(4 results)

All 2020 2019

All Presentation (4 results)

  • [Presentation] 換気カプセル法による建材の調湿性能評価装置の開発 改変型発汗計を用いたカプセル寸法に関する小型チャンバー実験2020

    • Author(s)
      今井亮太,三田村輝章
    • Organizer
      日本環境管理学会大会 第32回研究発表会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 換気カプセル法による吸放湿量の計測手法の開発(その1)カプセルの寸法による影響について2020

    • Author(s)
      今井亮太,三田村輝章
    • Organizer
      日本建築学会大会学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 換気カプセル法による建材の調湿性能評価装置の開発 -自作装置を用いた測定精度の検証-2020

    • Author(s)
      今井亮太,三田村輝章
    • Organizer
      第44回 人間-生活環境系シンポジウム
    • Related Report
      2020 Annual Research Report
  • [Presentation] 換気カプセル法による建材の調湿性能評価装置の開発―改変型発汗計を用いたカプセルの最適寸法の検討―2019

    • Author(s)
      今井亮太,三田村輝章
    • Organizer
      人間-生活環境系学会大会 第43回人間-生活環境系シンポジウム
    • Related Report
      2019 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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