Evaluation of Energy Saving Measures for Office Buildings

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  • MIYAZAKI Takahiko
    Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology
  • AKISAWA Atsushi
    Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology
  • SUGAWARA Hirotaka
    Sanyo Electric Co., Ltd. Commercial Solution Group
  • KASHIWAGI Takao
    Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology
  • BANNAI Masaaki
    Urban Development Solution Div., Hitachi, Ltd.

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  • 事務所ビルディングに対する省エネルギー方策の評価
  • ジムショ ビルディング ニ タイスル ショウエネルギー ホウサク ノ ヒョウカ

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Abstract

The study evaluated the energy saving measures of office buildings from the viewpoint of energy demands reduction as well as of the optimum energy supply system. The effects of the demand mitigation by the demand side energy saving measures, such as the applications of highly efficient lightings, better insulation levels, variable air/water volume systems, and heat exchangers were simulated using a simulation tool. Then, a set of demand data was integrated with the optimization model of energy supply systems, and the cost minimization was performed by the linear programming method. The optimization result showed the relationship between the energy saving ratio and the combination of energy saving technologies. It was found that the energy saving ratio of 26% could be achievable with the economically rational combination of present technologies.

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