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2014 Fiscal Year Final Research Report

Analysis of office lighting under power-saving policies for the development of a new energy-saving office lighting

Research Project

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Project/Area Number 24360240
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Architectural environment/equipment
Research InstitutionTokai University

Principal Investigator

IWATA Toshie  東海大学, 工学部, 教授 (80270627)

Co-Investigator(Kenkyū-buntansha) YOSHIZAWA Nozomu  東京理科大学, 理工学部, 教授 (40349832)
MOCHIZUKI Etsuko  千葉工業大学, 工学部, 教授 (80458629)
HIRATE Kotaro  東京大学, 工学研究科, 教授 (70165182)
MUNAKATA Jun  千葉大学, 工学研究科, 教授 (80323517)
AKASHI Yukio  福井大学, 工学研究科, 教授 (10456436)
Project Period (FY) 2012-04-01 – 2015-03-31
Keywords光環境 / 省エネルギー / オフィス / 照度 / 不均一照明 / 変動照明 / 昼光照明 / 輝度
Outline of Final Research Achievements

This study records office lighting under power-saving policies enacted in the aftermath of the Great East Japan Earthquake. From the real situation investigated, basic requirements of office lighting are extracted and a new energy-saving lighting method is developed.
The office lighting under the power-saving policies shows that strategies for reducing energy for office lighting includes not only lamps or luminaires with higher efficiency but also a lower illuminance, a smaller illuminated area and a shorter lighting duration. They had been avoided due to a possibility to deteriorate quality of lighting environment. This study proposed a “non-uniform and non-stable” lighting environment based on human visual properties using daylight, which can reduce energy consumption. This brings us to the starting line for new office lighting standards.

Free Research Field

建築環境工学

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Published: 2016-06-03  

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