Development of energy saving method using dynamic controlling of ventilation rate based on olfactory adaptation

2014 Fiscal Year Final Research Report

• Project/Area Number: 24656336
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Architectural environment/equipment
• Research Institution: Osaka University
• Principal Investigator: YAMANAKA Toshio 大阪大学, 工学(系)研究科(研究院), 教授 (80182575)
• Co-Investigator(Kenkyū-buntansha): TAKEMURA Akihisa (70584689)
• Co-Investigator(Renkei-kenkyūsha): MOMOI Yoshihisa (40506870)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: におい / 臭気強度 / 嗅覚順応 / モデル / 嗅覚閾値 / 必要換気量 / 省エネルギー

Outline of Final Research Achievements

The objective of this research is to establish an energy saving method to control the ventilation rate dynamically based on the olfactory adaptation and to develop the calculation method of odor intensity variation under changing odor concentration. Using the sensation data obtained from olfactory test on odor intensity, two simple assumptions were introduced. The first assumption is that instantaneous odor intensity is determined by Weber-Fechner law even in transient process of olfactory adaptation, and the second one is that the increase of threshold is calculated by impulse response linearly. Based on these assumptions, olfactory adaptation model was developed. By means of this model, varying ventilation rate can be calculated. As a research results, it is made possible to control the ventilation rate at the minimum amount to prevent the occupants from feeling the odor inside the room.

Free Research Field

建築環境工学