蒸気圧縮式冷凍機と低温潜熱蓄熱器を組み合わせた冷熱の高効率生成

Material type: 文書・図像類

Author: 渡辺, 藤雄ほか

Publisher: 愛知工業大学

Publication date: 2008-10-07

Material Format: Digital

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Note (General)：: To level the electric load and increase the efficiency of cold heat production, a new cold heat storage-heat utilization air conditioning system incor...

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Material Type: 文書・図像類
Title: 蒸気圧縮式冷凍機と低温潜熱蓄熱器を組み合わせた冷熱の高効率生成
Author/Editor: 渡辺, 藤雄
日高, 秀人
窪田, 光宏
Author Heading: 渡辺, 藤雄
日高, 秀人
窪田, 光宏
Publication, Distribution, etc.: 愛知工業大学
Publication Date: 2008-10-07
Publication Date (W3CDTF): 2008-10-07
Alternative Title: Highly Efficient Cold Heat Storage-Heat Utilization Using Vapor Compression Refrigerating Machine and Low Temperature Phase-Change Material
Periodical title: 総合技術研究所研究報告=Bulletin of Research Institute for Industrial Technology.
No. or year of volume/issue: 10
Volume: 10
Pages: 99-104
ISSN (Periodical Title): ISSN : 1344-9672
Text Language Code: jpn
Target Audience: 一般
Note (General): To level the electric load and increase the efficiency of cold heat production, a new cold heat storage-heat utilization air conditioning system incorporating PCM(phase-change material with a melting temperature of 13℃) in conventional VCRM(vapor compression refrigerating machine) was proposed. In this system, the cold heat is stored in PCM13 during the VCRM operation in the night-time. Subsequently, the cold heat stored in PCM13 is rleased for use as a coolant in the VCPM condenser in the case of high COP(coefficient of performance) during daytime. Energy savings of the proposed system were compared with the conventional cold heat production system with ice in terms of the cooling load of a standard office and a residence in summer in Tokyo. This comparison was based on estimation of COP of VCRM from p-h diagram of hydrofluorocarbon refrigerant, R134a. As a result, the energy saving of the proposed system, compared with the ice thermal storage in terms of power input of cold heat of 5℃, was 13% and 11% for a standard office and a residence, respectively. The higher energy saving obtained for a standard office was attributed to the fact that the cooling load is distributed over day-time in the office, while in the residence, it is highest at night-time. Finally, when ice was replaced with PCM13 in a conventional ice thermal storage, the energy consumption was reduced by 47% and 49% for a standard office and a residence, respectively. However, the temperature of cold heat supplied was 18℃ which was too high to dehumidify the air in the air-conditioning process.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/1689
Format (IMT): application/pdf
Source: http://repository.aitech.ac.jp/dspace/bitstream/11133/1689/1/%e7%b7%8f%e7%a0%9410%e5%8f%b7%28P99-104%29.pdf
http://repository.aitech.ac.jp/dspace/bitstream/11133/1689/1/%e7%b7%8f%e7%a0%9410%e5%8f%b7%28P99-104%29.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 愛知工業大学 : 愛知工業大学学術情報リポジトリ