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Dive into the research topics where Kimiko Kohri is active.

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Featured researches published by Kimiko Kohri.


Journal of Asian Architecture and Building Engineering | 2005

Examination on Expanded AMeDAS Design Weather Data for HVAC Systems

Kimiko Kohri; Hisaya Ishino

abstract Expanded AMeDAS (Automated Meteorological Data Acquisition System) design weather data were developed for various locations in Japan. They were produced by selecting the extreme-weather days from Expanded AMeDAS Weather Data using two weather indices. The present paper examined the extremity of the proposed design weather data and the availability for HVAC system design. The cumulative frequencies of occurrence for several daily values of the design weather data and the probability of the thermal load exceeding the design peak load calculated using the design weather data were used for the examination and evaluation. The validity of the proposed design weather data was confirmed through the examination.


Journal of Asian Architecture and Building Engineering | 2002

Evaluation of Space Thermal Comfort and Load on HVAC Equipment during Extreme Weather Days

Kimiko Kohri; Hisaya Ishino

abstract This paper aims to clarify the effects of extreme weather conditions on the space thermal comfort and energy consumption, which depend on the thermal characteristics of buildings and HVAC systems. Various types of extreme weather days that occur in Tokyo were picked from Expanded AMeDAS weather data for the period 1981 to 1995. Computer simulations were performed for office spaces, using 15-year Tokyo weather data to obtain the hourly changes in the PMV and the load on each of the components in a HVAC system. The type of extreme weather day that created severe conditions from the standpoint of thermal comfort and equipment load was clarified.


Journal of Environmental Engineering (transactions of Aij) | 2014

CONSIDERATION OF VERSATILE CALCULATION METHOD CONCERNING HEAT PERFORMANCE OF A CEILING SLIT PANEL UNIT AND SPACE ENVIRONMENT

Masaki Shioya; Kimiko Kohri

** 三建設備工業(株) 技術本部技術研究所 修士(工学) 宇都宮大学大学院 工学研究科 准教授・工博 Research Engineer,Sanken Setsubi Kogyo co.Ltd., M.Eng. Associate Prof., Graduate School of Engineering, Utsunomiya Univ., Dr. Eng. 1 .はじめに 本研究の目的は,天井放射パネルの供給熱量や放射を考慮した温 熱環境を評価する実用的な計算方法を構築することである。天井放 射パネルの熱性能は周囲の環境温度 1)によって異なり,天井放射パ ネル供給熱量を評価するには温熱環境も同時に把握する必要がある。 前報 1)では図 1 に示すスリットを有する天井放射パネルの熱交換式 を提案し,任意の送水条件と天井放射パネル周囲の環境温度から天 井放射パネルの熱量が推定可能であることを示した。この熱交換式 の特徴はパネル部の熱伝導特性を内包するフィン効率を用いて天井 放射パネルをモデル化したことである。このモデル化により天井放 射パネルの直列接続枚数を変更した場合にも適用が可能である。 天井放射空調システムの設計法として,室内環境を満足する天井 放射パネル表面温度を算出し,放射パネルの熱抵抗から送水温度を 決める方法がある 2)。天井放射パネルの熱性能を評価するモデルと して,近年では送水方向長さ方向に放射パネルを分割して各節点の パネル表面温度から熱収支を解くモデルの提案 3) や,放射パネル内 部の熱コンダクタンスをモデル化して,送水温度とパネル表面温度 から冷却能力を算出し,設計条件を検討した例がある 4)。また天井放 射空調システムのエネルギー評価として,一般の対流空調方式に置 き換えた設計条件と年間熱負荷を基に検討した例 5)6) がある。しか し,天井放射パネルの供給熱量は,変動する周囲の空気や表面温度, 送水温度や流量,放射パネルの直列接続枚数などの配置条件によっ 天井放射パネルユニット熱性能と室内環境の 汎用的な計算法に関する検討 スリットを有する天井放射パネルユニットの熱性能に関する研究(第 2報) CONSIDERATION OF VERSATILE CALCULATION METHOD CONCERNING HEAT PERFORMANCE OF A CEILING SLIT PANEL UNIT AND SPACE ENVIRONMENT Study on heat performance of a ceiling slit panel unit for radiant cooling and heating (Part2)


Journal of Environmental Engineering (transactions of Aij) | 2004

A STUDY ON A PRODUCTION METHOD OF DESIGN WEATHER DATA FOR HEATING AND AIR-CONDITIONING USING TWO WEATHER INDICES

Kimiko Kohri; Hisaya Ishino


Journal of Architecture and Planning (transactions of Aij) | 1994

A STUDY ON A DECISION METHOD OF THERMAL SPACE DESIGN CONDITIONS CONSIDERING THE EFFECT OF THE RADIANT FIELD

Hisaya Ishino; Kimiko Kohri


Journal of Environmental Engineering (transactions of Aij) | 2006

EVALUATION OF ROOFTOP GREENING AS A METHOD OF HEAT-ISLAND REDUCTION BASED ON ACTUAL MEASUREMENT

Masayuki Ichinose; Hisaya Ishino; Kimiko Kohri; Akihiro Nagata


Journal of Architecture and Planning (transactions of Aij) | 1997

A STUDY ON THE USE OF OFFICE SPACE AFFECTING AIR-CONDITIONING LOAD

Hisaya Ishino; Kimiko Kohri; Yutaka Sato


Journal of architecture,planning and environmental engineering | 1987

A STUDY ON THE THERMAL EFFECT OF INTERNAL FURNITURE IN OFFICE BUILDING

Hisaya Ishino; Kimiko Kohri


Journal of Environmental Engineering (transactions of Aij) | 2006

A STUDY ON PERFORMANCE EVALUATION AND CONTROL METHOD DESIGN ABOUT A HYBRID AIRCONDITIONING SYSTEM WITH A COMBINATION OF NATURAL VENTILATION AND CEILING FANS

Kitarou Mizuide; Hisaya Ishino; Kimiko Kohri; Akihiro Nagata; Tatsuo Nagai; Kazuhiro Otaka; Kazuyuki Oohara


Journal of Environmental Engineering (transactions of Aij) | 2006

A STUDY ON PERFORMANCE VALUES OF WINDOWS FOR THERMAL LOAD CALCULATION

Kimiko Kohri; Hisaya Ishino

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Hisaya Ishino

Tokyo Metropolitan University

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Akihiro Nagata

Tokyo Metropolitan University

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Tatsuo Nagai

Tokyo University of Science

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Takashi Akimoto

Shibaura Institute of Technology

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