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The effect of local cooling and air quality by task/ambient conditioningsystem on productivity

Research Project

Project/Area Number 23860053
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Architectural environment/equipment
Research InstitutionUniversity of the Sacred Heart (2012)
Waseda University (2011)

Principal Investigator

NISHIHARA Naoe  聖心女子大学, 文学部, 講師 (90611129)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords建築環境・設備 / 知的生産性 / 室内環境質 / 脳内酸素代謝
Research Abstract

The task/ambient conditioning air conditioning systems attract attention in recent years from the aspect of energy conservation. In this study, the effects of respirable air quality or local cooling on workers’ productivity were studied. We used infrared spectroscopy to measure cerebral blood flow in an effort to evaluate the mental workload. It was confirmed that the mental workload level to maintain task performance was increased in the hotter environment than in the thermally neutral condition. Theanalyses indicate that local cooling of the task fan had better impact on mental workload than simply controlling thermal sensation via room temperature. The cerebral blood flow was not able to detect the small differences of air quality that was normally experienced in daily life.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • Research Products

    (8 results)

All 2013 2012

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (4 results)

  • [Journal Article] Cerebral Blood Flow during Mental Tasks with Individually Controlled Task Fans2013

    • Author(s)
      Naoe Nishihara and Shin-ichi Tanabe
    • Journal Title

      Proceedings of CLIMA 2013 (11th REHVA World Congress & the 8^<th>International Conference on IAQVEC)

      Pages: 4-4

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Cerebral Blood Flow during Mental Tasks with Individually Controlled Task Fans2013

    • Author(s)
      Naoe Nishihara
    • Journal Title

      Proceedings of CLIMA 2013 (11th REHVA World Congress & the 8th International Conference on IAQVEC)

      Volume: 1

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of Personal Air Conditioning System Mounted in Desk Partition with Separation Process of Latent Heat and Sensible Heat2012

    • Author(s)
      Naoe Nishihara, Shin-ichi Tanabe, Kanae Sako, Kazuki Wada, Takashi Miyazaki and Mikio Takahashi
    • Journal Title

      Proceedings of the 9th International Meeting for Manikins and Modeling(9I3M)

      Pages: 6-6

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of Personal Air Conditioning System Mounted in Desk Partition with Separation Process of Latent Heat and Sensible Heat2012

    • Author(s)
      Naoe Nishihara
    • Journal Title

      Proceedings of the 9th International Meeting for Manikins and Modeling (9I3M)

      Volume: 1

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Presentation] Cerebral Blood Flow during Mental Tasks with Individually Controlled Task Fans2013

    • Author(s)
      Naoe Nishihara and Shin-ichi Tanabe
    • Organizer
      Proceedings of CLIMA 2013 (11th REHVA World Congress & the 8^<th>International Conference on IAQVEC)
    • Place of Presentation
      Prague, Czech Republic
    • Related Report
      2012 Final Research Report
  • [Presentation] Cerebral Blood Flow during Mental Tasks with Individually Controlled Task Fans2013

    • Author(s)
      Naoe Nishihara
    • Organizer
      CLIMA 2013 (11th REHVA World Congress & the 8th International Conference on IAQVEC)
    • Place of Presentation
      Prague, Czech Republic
    • Related Report
      2012 Annual Research Report
  • [Presentation] Evaluation of Personal Air Conditioning System Mounted in Desk Partition with Separation Process of Latent Heat and Sensible Heat2012

    • Author(s)
      Naoe Nishihara, Shin-ichi Tanabe, Kanae Sako, Kazuki Wada, Takashi Miyazaki and Mikio Takahashi
    • Organizer
      Proceedings of the 9th International Meeting for Manikins and Modeling(9I3M)
    • Place of Presentation
      Tokyo, Japan
    • Related Report
      2012 Final Research Report
  • [Presentation] Evaluation of Personal Air Conditioning System Mounted in Desk Partition with Separation Process of Latent Heat and Sensible Heat2012

    • Author(s)
      Naoe Nishihara
    • Organizer
      the 9th International Meeting for Manikins and Modeling (9I3M)
    • Place of Presentation
      Tokyo, Japan
    • Related Report
      2012 Annual Research Report

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Published: 2011-09-05   Modified: 2019-07-29  

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