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  1. 学位論文
  2. 博士論文
  3. 理工学研究科(工学系)
  1. 部局別インデックス
  2. 理工学研究科

亜熱帯沖縄における建物の熱環境とエネルギー消費に関する研究

http://hdl.handle.net/20.500.12000/0002019336
http://hdl.handle.net/20.500.12000/0002019336
ed4b165b-c12f-45a8-96da-6ca9534bdc1d
名前 / ファイル ライセンス アクション
rikoron58abstract.pdf rikoron58abstract.pdf (532 KB)
rikoron58review.pdf rikoron58review.pdf (374 KB)
rikoron58text.pdf rikoron58text.pdf (47.5 MB)
Item type 琉球大学リポジトリ登録用アイテムタイプ(1)
公開日 2022-06-24
タイトル
タイトル 亜熱帯沖縄における建物の熱環境とエネルギー消費に関する研究
言語 ja
作成者 松田, 優

× 松田, 優

ja 松田, 優

en Matsuda, Masaru

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
内容記述
内容記述タイプ Abstract
内容記述 This dissertation is an integration of several studies on thermal environment and energy consumption in buildings including surveys of existing buildings, characteristics of climate and environmental technologies for energy saving in subtropical Okinawa. The contents consist of the following 4 studies: 1) Surveys of various energy consumption of real existing buildings, 2) Heat protection on rooftops for reduction of cooling load, 3) Cooling trench under the basement for reduction of air conditioning load, 4) Practical conditions of energy saving buildings and effects of ESCO. The first, 1) is a study on detailed energy consumption in houses all through the year to examine the characteristics of energy use in houses and possibility of energy saving. The second, 2) is an estimation of reduction of cooling load, energy saving and cost-cutting for energy by thermal protection on rooftops from direct solar radiation that are weakest parts of cooling load based on a survey of a real existing building. The third, 3) is examination of the effect of cool trench that is called Earth tube in this study through a full-scale measurement in a building with an Earth tube to clarify its performance in subtropical Okinawa. The fourth, 4) is an evaluation of improvement of buildings for energy saving, especially ESCO projects, to examine its efficiency through some surveys. The targets of the surveys were various types of buildings, public, office, hotel, commercial, factory, school and hospital, except residential houses in Okinawa and in Hawaii to compare each other. The practical energy consumption and thermal environment in the buildings, awareness and actions of energy saving were surveyed in Okinawa and Hawaii.
Main results from these researches are as follows: the most energy consuming factor in residential houses in Okinawa is hot water supply, while that in non-residential buildings is air-conditioning system. Therefore, energy saving in non-residential buildings is almost the same meaning as reduction of air conditioning, especially cooling load in subtropical zones. For this purpose, thermal protection on rooftops and ESCO projects were found effective to achieve every saving, although the Earth tube was not. Awareness of energy saving was high both in Okinawa and Hawaii. However, Energy saving actions in Okinawa were basically occupants’ voluntary behavior, while those in Hawaii depended on the energy efficiency of building equipment and appliances. These conclusions are significant basic documents for the realization of energy saving buildings besides net Zero Energy Buildings (ZEB).
言語 en
出版者
言語 ja
出版者 琉球大学
言語
言語 eng
資源タイプ
資源タイプ doctoral thesis
資源タイプ識別子 http://purl.org/coar/resource_type/c_db06
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
学位授与番号
学位授与番号 乙第58号
学位名
学位名 博士(工学)
言語 ja
学位授与年月日
学位授与年月日 2022-03-18
学位授与機関
学位授与機関識別子
学位授与機関識別子 18001
学位授与機関識別子Scheme kakenhi
学位授与機関名
学位授与機関名 琉球大学
言語 ja
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