著者
高野 孝子
出版者
一般社団法人 日本環境教育学会
雑誌
環境教育 (ISSN:09172866)
巻号頁・発行日
vol.23, no.2, pp.2_27-37, 2013 (Released:2015-10-20)
参考文献数
53

While ‘place’ has been a center of attention in many disciplines, the Japanese words equivalent to the concept of ‘place’ is multi-faceted and controversial. This paper overviews the discussion around the concepts of ‘place’ in literature as well as Japanese terms which may translate as ‘place’ and ‘community’. The discourse around place-based education (PBE) is examined, and the 100-year history of the movement of the similar concept in Japan is outlined. It discusses the meaning of PBE in the context of globalization, and encourages Japanese practitioners and researchers in outdoor and environmental education to explore the perspectives of place as many ‘relationships’ linked to education for sustainability at the current time of high social, economic and environmental instability.
著者
佐味 弘之 高野 孝義 谷沢 清岳 吉富 和宣 伊東 聰智 宮崎 敏
出版者
一般社団法人 日本機械学会
雑誌
日本機械学会論文集 B編 (ISSN:03875016)
巻号頁・発行日
vol.69, no.678, pp.512-520, 2003-02-25 (Released:2008-03-28)
参考文献数
14

The ignition phenomena of diesel fuel spray injected into a constant volume vessel with medium injection pressure were investigated. Results show that ignition occurs at a certain point near the surface of spray liquid column before breakup where activation reaction is advanced one step ahead of others and the impingement plate assists surface ignition. From these results was deduced the following concept that fuel vaporized from the liquid surface begins to be activated when the velocity gradient at the liquid column surface decreases to a certain level, leading to ignition. The blowing-off limited ignition model was proposed from this concept. Based on the functional relation between various factors and the ignition delay derived from this model, the ignition delay date were well arranged into an experimental formula. Next, ignition investigation was carried out using a bottom-viewed single cylinder engine, revealing that the effects of many factors including EGR rate related to O2 concentration can be analyzed comprehensively based on the above model.